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Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas SP, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Fields L, Galik RS, Gibbons L, Gittelman B, Gray R, Gray SW, Hartill DL, Heltsley BK, Hertz D, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Mahlke-Krüger H, Meyer TO, Onyisi PUE, Patterson JR, Pedlar TK, Peterson D, Pivarski J, Riley D, Rosner JL, Ryd A, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Patel R, Potlia V, Stoeck H, Yelton J, Rubin P, Cawlfield C, Eisenstein BI, Gollin GD, Karliner I, Kim D, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Wiss J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Arms K, Gan KK, Severini H, Skubic P, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Savinov V, Li Z, Lopez A, Mendez H, Ramirez J. Study of the semileptonic charm decays D(0)-->pi(-)l(+)nu and D(0)-->K(-)l(+)nu. PHYSICAL REVIEW LETTERS 2005; 94:011802. [PMID: 15698066 DOI: 10.1103/physrevlett.94.011802] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2004] [Indexed: 05/24/2023]
Abstract
We investigate the decays D(0)-->pi(-)l(+)nu and D(0)-->K(-)l(+)nu, where l is e or mu, using approximately 7 fb(-1) of data collected with the CLEO III detector. We find R(0) identical with B(D(0)-->pi(-)e(+)nu)/B(D(0)-->K(-)e(+)nu)=0.082+/-0.006+/-0.005. Fits to the kinematic distributions of the data provide parameters describing the form factor of each mode. Combining the form factor results and R(0) gives |f(pi)(+)(0)|(2)|V(cd)|(2)/|f(K)(+)(0)|(2)|V(cs)|(2)=0.038(+0.006+0.005)(-0.007-0.003).
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Adams GS, Chasse M, Cravey M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Pappas SP, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Fields L, Galik RS, Gibbons L, Gittelman B, Gray R, Gray SW, Hartill DL, Heltsley BK, Hertz D, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Mahlke-Krüger H, Meyer TO, Onyisi PUE, Patterson JR, Peterson D, Pivarski J, Riley D, Rosner JL, Ryd A, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Patel R, Potlia V, Stoeck H, Yelton J, Rubin P, Cawlfield C, Eisenstein BI, Gollin GD, Karliner I, Kim D, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Wiss J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Lang BW, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Mahmood AH, Arms K, Gan KK, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Savinov V, Li Z, Lopez A, Mendez H, Ramirez J, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ. Measurement of the muonic branching fractions of the narrow upsilon resonances. PHYSICAL REVIEW LETTERS 2005; 94:012001. [PMID: 15698068 DOI: 10.1103/physrevlett.94.012001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2004] [Indexed: 05/24/2023]
Abstract
The decay branching fractions of the three narrow Upsilon resonances to mu(+)mu(-) have been measured by analyzing about 4.3 fb(-1) e(+)e(-) data collected with the CLEO III detector. The branching fraction B(Upsilon(1S)-->mu(+)mu(-))=(2.49+/-0.02+/-0.07)% is consistent with the current world average, but B(Upsilon(2S)-->mu(+)mu(-))=(2.03+/-0.03+/-0.08)% and B(Upsilon(3S)-->mu(+)mu(-))=(2.39+/-0.07+/-0.10)% are significantly larger than prior results. These new muonic branching fractions imply a narrower total decay width for the Upsilon(2S) and Upsilon(3S) resonances and lower other branching fractions that rely on these decays in their determination.
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Adam NE, Alexander JP, Berkelman K, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Fields L, Galik RS, Gibbons L, Gittelman B, Gray R, Gray SW, Hartill DL, Heltsley BK, Hertz D, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Mahlke-Krüger H, Meyer TO, Onyisi PUE, Patterson JR, Peterson D, Pivarski J, Riley D, Rosner JL, Ryd A, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Patel R, Potlia V, Stoeck H, Yelton J, Rubin P, Cawlfield C, Eisenstein BI, Gollin GD, Karliner I, Kim D, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Wiss J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Mahmood AH, Severini H, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Savinov V, Li Z, Lopez A, Mendez H, Ramirez J, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME. Observation of 1(-)0(-) final states from psi(2S) decays and e(+)e(-) annihilation. PHYSICAL REVIEW LETTERS 2005; 94:012005. [PMID: 15698072 DOI: 10.1103/physrevlett.94.012005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2004] [Indexed: 05/24/2023]
Abstract
Using CLEO data collected from CESR e(+)e(-) collisions at the psi(2S) resonance and nearby continuum at sqrt[s]=3.67 GeV, we report the first significantly nonzero measurements of light vector-pseudoscalar hadron pair production (including rhopi, omegapi, rhoeta, and K(*0)K0 ) and the pi(+)pi(-)pi(0) final state, both from psi(2S) decays and direct e(+)e(-) annihilation.
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Riley D, Zagon A. Clinical Homeopathic use of RNA: evidence from two provings. HOMEOPATHY 2005; 94:33-6. [PMID: 15751332 DOI: 10.1016/j.homp.2004.11.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Two homeopathic drug provings (HDPs) of RNA have been published. The methods are reviewed. Our method is double-blind and placebo-controlled, conforms to GCP and includes run-in and follow-up phases. Symptoms are selected from diaries according to predefined criteria. The results of the provings are compared with each other and with the homeopathic clinical use of RNA. At this stage it is difficult to draw conclusions concerning the clinical use of RNA. Further HDPs are required, they should follow GCP and standard, transparent protocols.
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Riley D, Angulo-Gareta JJ, Khattak FY, Lamb MJ, Foster PS, Divall EJ, Hooker CJ, Langley AJ, Clarke RJ, Neely D. Kalpha yields from Ti foils irradiated with ultrashort laser pulses. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2005; 71:016406. [PMID: 15697734 DOI: 10.1103/physreve.71.016406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2004] [Indexed: 05/24/2023]
Abstract
We have studied the emission of Kalpha radiation from Ti foils irradiated with ultrashort (45 fs) laser pulses. We utilized the fundamental (800 nm) light from a Ti:sapphire laser on bare foils and foils coated with a thin layer of parylene E (CH). The focusing was varied widely to give a range of intensities from approximately 10(15) - 10(19) W cm(-2). Our results show a conversion efficiency of laser to Kalpha energy of approximately 10(-4) at tight focus for both types of targets. In addition, the coated targets exhibited strong secondary peaks of conversion at large defocus, which we believe are due to modification of the extent of preformed plasma due to the dielectric nature of the plastic layer. This in turn affects the level of resonance absorption. A simple model of Kalpha production predicts a much higher conversion than seen experimentally and possible reasons for this are discussed.
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Bornheim A, Lipeles E, Pappas SP, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Fields L, Galik RS, Gibbons L, Gittelman B, Gray R, Gray SW, Hartill DL, Heltsley BK, Hertz D, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Mahlke-Krüger H, Meyer TO, Onyisi PUE, Patterson JR, Peterson D, Pivarski J, Riley D, Rosner JL, Ryd A, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Patel R, Potlia V, Stoeck H, Yelton J, Rubin P, Cawlfield C, Eisenstein BI, Gollin GD, Karliner I, Kim D, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Wiss J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Arms K, Gan KK, Severini H, Skubic P, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Savinov V, Li Z, Lopez A, Mendez H, Ramirez J, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M. Search for the lepton-flavor-violating leptonic B(0)-->mu(+/-)tau(-/+) and B(0)-->e(+/-)tau(-/+). PHYSICAL REVIEW LETTERS 2004; 93:241802. [PMID: 15697794 DOI: 10.1103/physrevlett.93.241802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2004] [Indexed: 05/24/2023]
Abstract
We have searched a sample of 9.6 x 10(6) BB events for the lepton-flavor-violating leptonic B decays, B(0)-->mu(+/-)tau(-/+) and B(0)-->e(+/-)tau(-/+). The tau lepton was detected through the decay modes tau-->lnunu(-) , where l=e, mu. There is no indication of a signal, and we obtain the 90% confidence level upper limits B(B(0)-->mu(+/-)tau(-/+))<3.8 x 10(-5) and B(B(0)-->e(+/-)tau(-/+))<1.3 x 10(-4).
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Rubin P, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Arms K, Eckhart E, Gan KK, Severini H, Skubic P, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Savinov V, Li Z, Lopez A, Mendez H, Ramirez J, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas SP, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Fields L, Galik RS, Gibbons L, Gittelman B, Gray R, Gray SW, Hartill DL, Heltsley BK, Hertz D, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Mahlke-Krüger H, Meyer TO, Onyisi PUE, Patterson JR, Pedlar TK, Peterson D, Pivarski J, Riley D, Rosner JL, Ryd A, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Patel R, Potlia V, Stoeck H, Yelton J. First observation and Dalitz analysis of the D0-->K(0)Setapi(0) decay. PHYSICAL REVIEW LETTERS 2004; 93:111801. [PMID: 15447329 DOI: 10.1103/physrevlett.93.111801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2004] [Indexed: 05/24/2023]
Abstract
Using 9.0 fb(-1) of integrated luminosity in e(+)e(-) collisions near the Upsilon(4S) mass collected with the CLEO II.V detector we report the first observation of the decay D0-->K(0)(S)etapi(0). We measure the ratio of branching fractions, BR(D0-->K(0)(S)etapi(0))BR / (D0-->K(0)(S)pi(0))=0.46+/-0.07+/-0.06. We perform a Dalitz analysis of 155 selected D0-->K(0)(S)etapi(0) candidates and find leading contributions from a(0)(980)K(0)(S) and K(*)(892)eta intermediate states.
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Fennessy M, Bates T, MacRae K, Riley D, Houghton J, Baum M. Late follow-up of a randomized trial of surgery plus tamoxifen versus tamoxifen alone in women aged over 70 years with operable breast cancer. Br J Surg 2004; 91:699-704. [PMID: 15164437 DOI: 10.1002/bjs.4603] [Citation(s) in RCA: 121] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Breast cancer has been considered a more indolent disease in the elderly, who are less tolerant of aggressive therapy. This trial tested the hypothesis that tamoxifen without surgery would provide adequate control of breast cancer for the remainder of life in elderly women, thereby sparing them surgery. METHOD Women aged over 70 years with operable, invasive breast cancer were randomized to receive either tamoxifen alone or surgery plus tamoxifen. Time to treatment failure (TTF), indicating initial primary treatment failure, was the primary endpoint. Overall mortality, and death from breast cancer were also compared between the two groups. RESULTS Between 1984 and 1991, 455 patients were included in the trial. The analysis was based on a median follow-up of 12.7 years. The TTF was significantly shorter in the tamoxifen alone group: hazard ratio (HR) 4.41 (95 per cent confidence interval (c.i.) 3.31 to 5.88). Ninety-three (40.4 per cent) of 230 patients randomized to tamoxifen alone underwent surgery for the management of their disease. Both overall mortality and mortality from breast cancer were significantly increased in the tamoxifen alone group, although the survival curves did not diverge for the first 3 three years: HR 1.29 (95 per cent c.i. 1.04 to 1.59) and 1.68 (95 per cent c.i. 1.15 to 2.47) respectively. CONCLUSION Omission of primary surgery in unselected elderly women with operable breast cancer who were fit for the procedure resulted in an increased rate of progression, therapeutic intervention and mortality.
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Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Haynes J, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Magerkurth A, Mahlke-Krüger H, Meyer TO, Patterson JR, Pedlar TK, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Arms K, Eckhart E, Gan KK, Gwon C, Severini H, Skubic P, Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Nam S, Savinov V, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH. Wess-Zumino current and the structure of the decay tau- -->K- pi- K+ nu tau. PHYSICAL REVIEW LETTERS 2004; 92:232001. [PMID: 15245150 DOI: 10.1103/physrevlett.92.232001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2003] [Indexed: 05/24/2023]
Abstract
We present the first study of the vector (Wess-Zumino) current in tau(-)-->K-pi-K+nu(tau) decay using data collected with the CLEO III detector at the Cornell Electron Storage Ring. We determine the quantitative contributions to the decay width from the vector and axial vector currents. Within the framework of a model by Kühn and Mirkes, we identify the quantitative contributions to the total decay rate from the intermediate states omegapi, rho(')pi, and K*K.
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Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Dambasuren E, Dorjkhaidav O, Mountain R, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Patterson JR, Pedlar TK, Peterson D, Pivarski J, Richichi SJ, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Wilksen T, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ernst J, Arms K, Eckhart E, Gan KK, Gwon C, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Danko I. Observation of the Hadronic transitions chi(b1,2)(2P)-->omegaUpsilon(1S). PHYSICAL REVIEW LETTERS 2004; 92:222002. [PMID: 15245215 DOI: 10.1103/physrevlett.92.222002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2003] [Indexed: 05/24/2023]
Abstract
The CLEO Collaboration has made the first observations of hadronic transitions among bottomonium (bbmacr;) states other than the dipion transitions among Upsilon(nS) states. In our study of Upsilon(3S) decays, we find a significant signal for Upsilon(3S)-->gammaomegaUpsilon(1S) that is consistent with radiative decays Upsilon(3S)-->gammachi(b1,2)(2P), followed by chi(b1,2)(2P)-->omegaUpsilon(1S). The branching ratios we obtain are B[chi(b1)(2P)-->omegaUpsilon(1S)]=(1.63(+0.35+0.16)(-0.31-0.15))% and B[chi(b2)(2P)-->omegaUpsilon(1S)]=(1.10(+0.32+0.11)(-0.28-0.10))%, in which the first error is statistical and the second is systematic.
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Asner DM, Dytman SA, Mehrabyan S, Mueller JA, Nam S, Savinov V, Huang GS, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Adams GS, Chasse M, Cummings JP, Danko I, Napolitano J, Cronin-Hennessy D, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Butt J, Dambasuren E, Dorjkhaidav O, Haynes J, Menaa N, Mountain R, Muramatsu H, Nandakumar R, Redjimi R, Sia R, Skwarnicki T, Stone S, Wang JC, Zhang K, Mahmood AH, Csorna SE, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Weinstein AJ, Mahapatra R, Nelson HN, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Watkins ME, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Kuznetsov VE, Magerkurth A, Mahlke-Krüger H, Meyer TO, Patterson JR, Pedlar TK, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Sun WM, Thayer JG, Urner D, Wilksen T, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Naik P, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Besson D, Gao KY, Gong DT, Kubota Y, Li SZ, Poling R, Scott AW, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Arms K, Eckhart E, Gan KK, Gwon C, Severini H, Skubic P. Observation of eta'c production in gammagamma fusion at CLEO. PHYSICAL REVIEW LETTERS 2004; 92:142001. [PMID: 15089529 DOI: 10.1103/physrevlett.92.142001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2003] [Indexed: 05/24/2023]
Abstract
We report on the observation of the eta(')(c)(2(1)S0), the radial excitation of the eta(c)(1(1)S0) ground state of charmonium, in the two-photon fusion reaction gammagamma-->eta(')(c)-->K(0)(S)K+/-pi(-/+) in 13.6 fb(-1) of CLEO II/II.V data and 13.1 fb(-1) of CLEO III data. We obtain M(eta(')(c))=3642.9+/-3.1(stat)+/-1.5(syst) MeV and M(eta(c))=2981.8+/-1.3(stat)+/-1.5(syst) MeV. The corresponding values of hyperfine splittings between 1S0 and 3S1 states are DeltaM(hf)(1S)=115.1+/-2.0 MeV and DeltaM(hf)(2S)=43.1+/-3.4 MeV. Assuming that the eta(c) and eta(')(c) have equal branching fractions to K(S)Kpi, we obtain Gamma(gammagamma)(eta(')(c))=1.3+/-0.6 keV.
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Danko I, Cronin-Hennessy D, Park C, Park W, Thayer J, Thorndike E, Coan T, Gao Y, Liu F, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Dambasuren E, Dorjkhaidav O, Mountain R, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang J, Mahmood A, Csorna S, Bonvicini G, Cinabro D, Dubrovin M, Bornheim A, Lipeles E, Pappas S, Shapiro A, Sun W, Weinstein A, Briere R, Chen G, Ferguson T, Tatishvili G, Vogel H, Watkins M, Adam N, Alexander J, Berkelman K, Boisvert V, Cassel D, Duboscq J, Ecklund K, Ehrlich R, Galik R, Gibbons L, Gittelman B, Gray S, Hartill D, Heltsley B, Hsu L, Jones C, Kandaswamy J, Kreinick D, Kuznetsov V, Magerkurth A, Mahlke-Krüger H, Meyer T, Mistry N, Patterson J, Pedlar T, Peterson D, Pivarski J, Richichi S, Riley D, Sadoff A, Schwarthoff H, Shepherd M, Thayer J, Urner D, Wilksen T, Warburton A, Weinberger M, Athar S, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Eisenstein B, Gollin G, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler J, Williams J, Edwards K, Besson D, Gao K, Gong D, Kubota Y, Li S, Poling R, Scott A, Smith A, Stepaniak C, Urheim J, Metreveli Z, Seth K, Tomaradze A, Zweber P, Ernst J, Arms K, Eckhart E, Gan K, Gwon C, Severini H, Skubic P, Dytman S, Mueller J, Nam S, Savinov V, Huang G, Miller D, Pavlunin V, Sanghi B, Shibata E, Shipsey I. Measurement of the decay rate of Ξc0→pK-K-π+ relative to Ξc0→Ξ-π+. Int J Clin Exp Med 2004. [DOI: 10.1103/physrevd.69.052004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Patterson JR, Peterson D, Pivarski J, Richichi SJ, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Wilksen T, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Benslama K, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Bean A, Besson D, Zhao X, Anderson S, Frolov VV, Gong DT, Kubota Y, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Ernst J, Jian L, Saleem M, Wappler F, Arms K, Eckhart E, Gan KK, Gwon C, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, von Toerne E, Zoeller MM, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Hinson JW, Lee J, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Bukin K, Dambasuren E, Mountain R, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H. Search forB→p¯e−ν¯eXdecay using a partial reconstruction method. Int J Clin Exp Med 2003. [DOI: 10.1103/physrevd.68.012004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Patterson JR, Peterson D, Pivarski J, Richichi SJ, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Wilksen T, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Benslama K, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Besson D, Zhao X, Anderson S, Frolov VV, Gong DT, Kubota Y, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Ernst J, Jian L, Saleem M, Wappler F, Arms K, Eckhart E, Gan KK, Gwon C, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, von Toerne E, Zoeller MM, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Hinson JW, Lee J, Miller DH, Pavlunin V, Sanghi B, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Bukin K, Dambasuren E, Mountain R, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ. Branching fractions of tau leptons to three charged hadrons. PHYSICAL REVIEW LETTERS 2003; 90:181802. [PMID: 12785998 DOI: 10.1103/physrevlett.90.181802] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2003] [Indexed: 05/24/2023]
Abstract
From electron-positron collision data collected with the CLEO detector operating at Cornell Electron Storage Ring near sqrt[s]=10.6 GeV, improved measurements of the branching fractions for tau decays into three explicitly identified hadrons and a neutrino are presented as B(tau(-)-->pi(-)pi(+)pi(-)nu(tau))=(9.13+/-0.05+/-0.46)%, B(tau(-)-->K-pi(+)pi(-)nu(tau))=(3.84+/-0.14+/-0.38) x 10(-3), B(tau(-)-->K-K+pi(-)nu(tau))=(1.55+/-0.06+/-0.09) x 10(-3), and B(tau(-)-->K-K+K-nu(tau))<3.7 x 10(-5) at 90% C.L., where the uncertainties are statistical and systematic, respectively.
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Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Bukin K, Dambasuren E, Moneti GC, Mountain R, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Patterson JR, Peterson D, Pivarski J, Richichi SJ, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Wilksen T, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Benslama K, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Anderson S, Frolov VV, Gong DT, Kubota Y, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Ernst J, Jian L, Saleem M, Wappler F, Arms K, Eckhart E, Gan KK, Gwon C, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Von Toerne E, Zoeller MM, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thayer JB, Thorndike EH. First search for the flavor changing neutral current decay D0-->gammagamma. PHYSICAL REVIEW LETTERS 2003; 90:101801. [PMID: 12688989 DOI: 10.1103/physrevlett.90.101801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2002] [Indexed: 05/24/2023]
Abstract
Using 13.8 fb(-1) of data collected at or just below the Upsilon(4S) with the CLEO detector, we report the result of a search for the flavor changing neutral current process D0-->gammagamma. We observe no significant signal for this decay mode and determine 90% confidence level upper limits on the branching fractions B(D0-->gammagamma)/B(D0-->pi(0)pi(0))<0.033 and B(D0-->gammagamma)<2.9 x 10(-5).
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Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thayer JB, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Blusk S, Bukin K, Dambasuren E, Mountain R, Moneti GC, Muramatsu H, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Richichi SJ, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Wilksen T, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Benslama K, Eisenstein BI, Gollin GD, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Gong DT, Kubota Y, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Ernst J, Jian L, Saleem M, Wappler F, Arms K, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, von Toerne E, Zoeller MM, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ. First observation of the exclusive decays Λc+→Λπ+π+π−π0and Λc+→Λωπ+. Int J Clin Exp Med 2003. [DOI: 10.1103/physrevd.67.012001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, von Toerne E, Wilksen T, Zoeller MM, Muramatsu H, Richichi SJ, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Khroustalev K, Moneti GC, Mountain R, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Xu Z, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Masek G, Paar HP, Mahapatra R, Nelson HN, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Brandenburg G, Ershov A, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X. Measurements of inclusive B-->psi production. PHYSICAL REVIEW LETTERS 2002; 89:282001. [PMID: 12513135 DOI: 10.1103/physrevlett.89.282001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2002] [Indexed: 05/24/2023]
Abstract
Using the combined CLEO II and CLEO II.V data sets of 9.1 fb(-1) at the Upsilon(4S), we measure properties of psi mesons produced directly from decays of the B meson, where "B" denotes an admixture of B+, B-, B0, and B;(0), and "psi" denotes either J/psi(1S) or psi(2S). We report first measurements of psi polarization in B-->psi(direct)X: alpha(psi(1S))=-0.30(+0.07)(-0.06)+/-0.04 and alpha(psi(2S))=-0.45(+0.22)(-0.19)+/-0.04. We also report improved measurements of the momentum distributions of psi produced directly from B decays, correcting for measurement smearing. Finally, we report measurements of the inclusive branching fraction for B-->psiX and B-->chi(c1)X.
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Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, Von Toerne E, Wilksen T, Zoeller MM, Muramatsu H, Richichi SJ, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Khroustalev K, Mountain R, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Würthwein F, Mahapatra R, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Brandenburg G, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F. Observation of B-->K(0)(S)pi(+)pi(-) and Evidence for B-->K(*+/-)pi(-/+). PHYSICAL REVIEW LETTERS 2002; 89:251801. [PMID: 12484873 DOI: 10.1103/physrevlett.89.251801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2002] [Indexed: 05/24/2023]
Abstract
We report on a search for charmless hadronic B decays to the three-body final states K(0)(S)h(+)pi(-), K(+)h(-)pi(0), K(0)(S)h(+)pi(0) (h(+/-) denotes a charged pion or kaon), and their charge conjugates, using 13.5 fb(-1) of integrated luminosity produced near sqrt[s]=10.6 GeV, and collected with the CLEO detector. We observe the decay B-->K0pi(+)pi(-) with a branching fraction (50(+10)(-9)(stat.)+/-7(syst.))x10(-6) and the decay B-->K(*+)(892)pi(-) with a branching fraction (16(+6)(-5)(stat.)+/-2(syst.))x10(-6).
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Muramatsu H, Richichi SJ, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Khroustalev K, Mountain R, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Asner DM, Mahapatra R, Nelson HN, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Brandenburg G, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, Von Toerne E, Wilksen T, Zoeller MM. Dalitz analysis of D0-->K(0)(S)pi(+)pi(-). PHYSICAL REVIEW LETTERS 2002; 89:251802. [PMID: 12484874 DOI: 10.1103/physrevlett.89.251802] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2002] [Indexed: 05/24/2023]
Abstract
In e(+)e(-) collisions using the CLEO detector, we have studied the decay of the D0 to the final state K(0)(S)pi(+)pi(-) with the initial flavor of the D0 tagged by the decay D(*+)-->D0pi(+). We use the Dalitz technique to measure the resonant substructure in this final state and clearly observe ten different contributions by fitting for their amplitudes and relative phases. We observe a K(*)(892)(+)pi(-) component which arises from doubly Cabibbo suppressed decays or D0-D0; mixing.
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Brandenburg G, Ershov A, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, Von Toerne E, Wilksen T, Zoeller MM, Richichi SJ, Severini H, Skubic P, Dytman SA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Ye J, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Mountain R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Xu Z, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Masek G, Paar HP, Mahapatra R, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Bebek C, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Palmer M, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Stoeck H, Yelton J. Measurement of B(D+-->K(*0)l(+)nu(l)). PHYSICAL REVIEW LETTERS 2002; 89:222001. [PMID: 12485061 DOI: 10.1103/physrevlett.89.222001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2002] [Indexed: 05/24/2023]
Abstract
Using 13.53 fb(-1) of CLEO data, we have measured the ratios of the branching fractions R(+)(e),R(+)(mu) and the combined branching fraction ratio R(+)(l), defined by R(+)(l)=[B(D+-->K(*0)l(+)nu(l))]/[B(D+-->K-pi(+)pi(+))]. We find R(+)(e)=0.74+/-0.04+/-0.05, R(+)(mu)=0.72+/-0.10+/-0.05, and R(+)(l)=0.74+/-0.04+/-0.05, where the first and second errors are statistical and systematic, respectively. The known branching fraction B(D+-->K-pi(+)pi(+)) leads to B(D+-->K(*0)e(+)nu(e))=(6.7+/-0.4+/-0.5+/-0.4)%, B(D+-->K(*0)mu(+)nu(mu))=(6.5+/-0.9+/-0.5+/-0.4)%, and B(D+-->K(*0)l(+)nu(l))=(6.7+/-0.4+/-0.5+/-0.4)%, where the third error is due to the uncertainty in B(D+-->K-pi(+)pi(+)).
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Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, von Toerne E, Wilksen T, Zoeller MM, Muramatsu H, Richichi SJ, Severini H, Skubic P, Dytman SA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Mountain R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Xu Z, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Masek G, Paar HP, Mahapatra R, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Brandenburg G, Ershov A, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW. Observation of the decay Omega(0)(c)-->Omega(-)e(+)nu(e). PHYSICAL REVIEW LETTERS 2002; 89:171803. [PMID: 12398660 DOI: 10.1103/physrevlett.89.171803] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2002] [Indexed: 05/24/2023]
Abstract
Using the CLEO detector at the Cornell Electron Storage Ring we have observed the Omega(0)(c) (css ground state) in the decay Omega(0)(c)-->Omega(-)e(+)nu(e). We find a signal of 11.4+/-3.8(stat) events. The probability that we have observed a background fluctuation is 7.6x10(-5). We measure B(Omega(0)(c)-->Omega(-)e(+)nu(e)).sigma(e(+)e(-)-->Omega(0)(c)X)=(42.2+/-14.1(stat)+/-5.7(syst)) fb and R=[Gamma(Omega(0)(c)-->Omega(-)pi(+))]/[Gamma(Omega(0)(c)-->Omega(-)enu(e))]=00.41+/-0.19(stat)+/-0.04(syst). This is the first statistically significant observation of an individual decay mode of the Omega(0)(c) in e(+)e(-) annihilation and the first example of a baryon decaying via beta emission, where no quarks from the first generation participate in the reaction.
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Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Stroynowski R, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Khroustalev K, Mountain R, Nandakumar R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Mahapatra R, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Berkelman K, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Galik RS, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Breva-Newell L, Potlia V, Stoeck H, Yelton J, Brandenburg G, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Metreveli Z, Seth KK, Tomaradze A, Zweber P, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Arms K, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Morris C, Pedlar TK, Thayer JB, von Toerne E, Wilksen T, Zoeller MM, Muramatsu H, Richichi SJ, Severini H, Skubic P, Dytman SA, Mueller JA, Nam S, Savinov V. Search for neutrinolessτdecays involving theKS0meson. Int J Clin Exp Med 2002. [DOI: 10.1103/physrevd.66.071101] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Riley D, Weaver I, McSherry D, Dunne M, Neely D, Notley M, Nardi E. Direct observation of strong coupling in a dense plasma. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2002; 66:046408. [PMID: 12443331 DOI: 10.1103/physreve.66.046408] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2001] [Indexed: 05/24/2023]
Abstract
We present differential x-ray scattering cross sections for a radiatively heated plasma showing overall consistency, in both form and absolute value, with theoretical simulations. In particular, the evolution of the plasma from a strongly coupled high density phase to a lower density weakly coupled phase is quite clearly shown in both experiment and simulation. The success of this experiment shows that x-ray scattering has the potential to become an extremely useful diagnostic technique for dense plasma physics.
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149
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Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Bebek C, Berger BE, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Palmer M, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Stoeck H, Yelton J, Brandenburg G, Ershov A, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, von Toerne E, Wilksen T, Zoeller MM, Richichi SJ, Severini H, Skubic P, Dytman SA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Ye J, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Mountain R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Xu Z, Bonvicini G, Cinabro D, Dubrovin M, McGee S, Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Masek G, Paar HP, Mahapatra R. Improved measurement of /V(cb)/ using B-->D*l nu decays. PHYSICAL REVIEW LETTERS 2002; 89:081803. [PMID: 12190458 DOI: 10.1103/physrevlett.89.081803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2002] [Indexed: 05/23/2023]
Abstract
We determine the weak coupling /V(cb)/ between the b and c quarks using a sample of 3 x 10(6) BB; events in the CLEO detector at the Cornell Electron Storage Ring. We determine the yield of reconstructed B-->D*l nu; decays as a function of w, the boost of the D* in the B rest frame, and from this we obtain the differential decay rate d Gamma/dw. By extrapolating d Gamma/dw to w=1, the kinematic end point at which the D* is at rest relative to the B, we extract the product /V(cb)/F(1), where F(1) is the form factor at w=1. Combined with theoretical results for F(1) we determine /V(cb)/=0.0469+/-0.0014(stat)+/-0.0020(syst)+/-0.0018(theor).
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150
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Bornheim A, Lipeles E, Pappas SP, Shapiro A, Sun WM, Weinstein AJ, Masek G, Paar HP, Mahapatra R, Morrison RJ, Briere RA, Chen GP, Ferguson T, Tatishvili G, Vogel H, Adam NE, Alexander JP, Bebek C, Berkelman K, Blanc F, Boisvert V, Cassel DG, Drell PS, Duboscq JE, Ecklund KM, Ehrlich R, Gibbons L, Gittelman B, Gray SW, Hartill DL, Heltsley BK, Hsu L, Jones CD, Kandaswamy J, Kreinick DL, Magerkurth A, Mahlke-Krüger H, Meyer TO, Mistry NB, Nordberg E, Palmer M, Patterson JR, Peterson D, Pivarski J, Riley D, Sadoff AJ, Schwarthoff H, Shepherd MR, Thayer JG, Urner D, Valant-Spaight B, Viehhauser G, Warburton A, Weinberger M, Athar SB, Avery P, Prescott C, Stoeck H, Yelton J, Brandenburg G, Ershov A, Kim DYJ, Wilson R, Benslama K, Eisenstein BI, Ernst J, Gollin GD, Hans RM, Karliner I, Lowrey N, Marsh MA, Plager C, Sedlack C, Selen M, Thaler JJ, Williams J, Edwards KW, Ammar R, Besson D, Zhao X, Anderson S, Frolov VV, Kubota Y, Lee SJ, Li SZ, Poling R, Smith A, Stepaniak CJ, Urheim J, Ahmed S, Alam MS, Jian L, Saleem M, Wappler F, Eckhart E, Gan KK, Gwon C, Hart T, Honscheid K, Hufnagel D, Kagan H, Kass R, Pedlar TK, Thayer JB, Von Toerne E, Wilksen T, Zoeller MM, Richichi SJ, Severini H, Skubic P, Dytman SA, Nam S, Savinov V, Chen S, Hinson JW, Lee J, Miller DH, Pavlunin V, Shibata EI, Shipsey IPJ, Cronin-Hennessy D, Lyon AL, Park CS, Park W, Thorndike EH, Coan TE, Gao YS, Liu F, Maravin Y, Narsky I, Stroynowski R, Ye J, Artuso M, Boulahouache C, Bukin K, Dambasuren E, Mountain R, Skwarnicki T, Stone S, Wang JC, Mahmood AH, Csorna SE, Danko I, Xu Z, Bonvicini G, Cinabro D, Dubrovin M, McGee S. Improved measurement of Vub with inclusive semileptonic B decays. PHYSICAL REVIEW LETTERS 2002; 88:231803. [PMID: 12059353 DOI: 10.1103/physrevlett.88.231803] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2002] [Indexed: 05/23/2023]
Abstract
We report a new measurement of the Cabibbo-Kobayashi-Maskawa parameter Vub made with a sample of 9.7 x 10(6) BB- events collected with the CLEO II detector. Using heavy quark theory, we combine the observed yield of leptons from semileptonic B decay in the end-point momentum interval 2.2-2.6 GeV/c with recent CLEO II data on B-->X(s)gamma to find Vub = (4.08+/-0.34+/-0.44+/-0.16+/-0.24)x10(-3), where the first two uncertainties are experimental and the last two are from theory.
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