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Radio Imaging of the Very-High-Energy γ-Ray Emission Region in the Central Engine of a Radio Galaxy. Science 2009; 325:444-8. [PMID: 19574351 DOI: 10.1126/science.1175406] [Citation(s) in RCA: 157] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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OSETI with STACEE: a search for nanosecond optical transients from nearby stars. ASTROBIOLOGY 2009; 9:345-357. [PMID: 19413506 DOI: 10.1089/ast.2008.0256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We have used the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) high-energy gamma-ray detector to look for fast blue-green laser pulses from the vicinity of 187 stars. The STACEE detector offers unprecedented light-collecting capability for the detection of nanosecond pulses from such lasers. We estimate STACEE's sensitivity to be approximately 10 photons/m(2) at a wavelength of 420 nm. The stars have been chosen because their characteristics are such that they may harbor habitable planets, and they are relatively close to Earth. Each star was observed for 10 minutes, and we found no evidence for laser pulses in any of the data sets. Key Words: Search for extraterrestrial intelligence-Optical search for extraterrestrial intelligence-Interstellar communication-Laser.
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Observation of the shadows of the Moon and Sun using 100 TeV cosmic rays. Int J Clin Exp Med 1994; 49:1171-1177. [PMID: 10017088 DOI: 10.1103/physrevd.49.1171] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Search for discrete sources of 100 TeV gamma radiation. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1992; 45:4385-4391. [PMID: 10014352 DOI: 10.1103/physrevd.45.4385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Search for the production of the final states tau + tau -e+e-, tau + tau - micro+ micro-, and tau + tau - pi + pi - in e+e- collisions at sqrt s =29 GeV. PHYSICAL REVIEW LETTERS 1992; 68:13-16. [PMID: 10045100 DOI: 10.1103/physrevlett.68.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Test of QED to fourth order by study of four-lepton final states in e+e- interactions at 29 GeV with the Mark II detector. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1990; 42:2171-2179. [PMID: 10013070 DOI: 10.1103/physrevd.42.2171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Two-photon production of pion pairs. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1990; 42:1350-1367. [PMID: 10012976 DOI: 10.1103/physrevd.42.1350] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Measurement of the two-photon width of the eta '(958). PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1990; 42:1368-1384. [PMID: 10012977 DOI: 10.1103/physrevd.42.1368] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Search for a nearly degenerate lepton doublet (L-,L0). PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1990; 42:1-9. [PMID: 10012691 DOI: 10.1103/physrevd.42.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Radiative tau production and decay. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1990; 41:2339-2342. [PMID: 10012615 DOI: 10.1103/physrevd.41.2339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Lambda c+ production and semileptonic decay in 29-GeV e+e- annihilation. PHYSICAL REVIEW LETTERS 1989; 62:2444-2447. [PMID: 10039990 DOI: 10.1103/physrevlett.62.2444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of single and double radiative low-Q2 Bhabha scattering at Ec.m. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1989; 39:1861-1864. [PMID: 9959855 DOI: 10.1103/physrevd.39.1861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Bose-Einstein correlations in e+e- collisions. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1989; 39:1-20. [PMID: 9959471 DOI: 10.1103/physrevd.39.1] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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eta and eta ' production in e+e- annihilation at 29 GeV. Evidence for the Dx+/- decays into eta pi +/- and eta ' pi +/-. PHYSICAL REVIEW LETTERS 1988; 61:1057-1060. [PMID: 10039508 DOI: 10.1103/physrevlett.61.1057] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Inclusive lepton production in e+e- annihilation at 29 GeV. PHYSICAL REVIEW LETTERS 1988; 60:2587-2590. [PMID: 10038397 DOI: 10.1103/physrevlett.60.2587] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Observation of Omega - production in e+e- annihilation at 29 GeV. PHYSICAL REVIEW LETTERS 1987; 59:2412-2415. [PMID: 10035544 DOI: 10.1103/physrevlett.59.2412] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Observation of spin-1 f1(1285) in the reaction gamma gamma *--> eta 0 pi + pi -. PHYSICAL REVIEW LETTERS 1987; 59:2012-2015. [PMID: 10035395 DOI: 10.1103/physrevlett.59.2012] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Evidence for a spin-1 resonance in the reaction gamma gamma *-->K0K+/- pi +/-. PHYSICAL REVIEW LETTERS 1987; 59:2016-2019. [PMID: 10035396 DOI: 10.1103/physrevlett.59.2016] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of the D0 lifetime from the upgraded Mark II detector at the SLAC e+e- storage ring PEP. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1987; 36:2850-2853. [PMID: 9958504 DOI: 10.1103/physrevd.36.2850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Study of tau decay modes with multiple neutral mesons in the final states. PHYSICAL REVIEW LETTERS 1987; 59:411-414. [PMID: 10035762 DOI: 10.1103/physrevlett.59.411] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Search for heavy-neutrino production in e+e- annihilation at 29 GeV. PHYSICAL REVIEW LETTERS 1987; 58:1810-1813. [PMID: 10034544 DOI: 10.1103/physrevlett.58.1810] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Limit on the decay D0-->e micro+/-. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1987; 35:2914-2916. [PMID: 9958010 DOI: 10.1103/physrevd.35.2914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Observation of Xi - production in e+e- annihilation at 29 GeV. PHYSICAL REVIEW LETTERS 1987; 58:644-647. [PMID: 10034998 DOI: 10.1103/physrevlett.58.644] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of the branching fractions of the tau lepton using a tagged sample of tau decays. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1987; 35:27-41. [PMID: 9957489 DOI: 10.1103/physrevd.35.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Study of noncollinear two-charged-particle events produced in 29-GeV electron-positron annihilation. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1986; 34:3321-3331. [PMID: 9957067 DOI: 10.1103/physrevd.34.3321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Measurement of the D0 and D+ lifetimes. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1986; 34:2601-2610. [PMID: 9957452 DOI: 10.1103/physrevd.34.2601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Comparison of the particle flow in three-jet and radiative two-jet events from e+e- annihilation at Ec.m. PHYSICAL REVIEW LETTERS 1986; 57:1398-1401. [PMID: 10033439 DOI: 10.1103/physrevlett.57.1398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of the branching fractions tau ---> rho - nu tau and tau --->K. PHYSICAL REVIEW LETTERS 1986; 56:812-814. [PMID: 10033292 DOI: 10.1103/physrevlett.56.812] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Charged-meson pair production in gamma gamma interactions. PHYSICAL REVIEW LETTERS 1986; 56:207-210. [PMID: 10033124 DOI: 10.1103/physrevlett.56.207] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Searches for unstable neutral leptons in low-multiplicity events from electron-positron annihilation. Int J Clin Exp Med 1985; 32:2859-2868. [PMID: 9956068 DOI: 10.1103/physrevd.32.2859] [Citation(s) in RCA: 8] [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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Inclusive charged-particle distribution in nearly threefold-symmetric three-jet events at Ec.m. PHYSICAL REVIEW LETTERS 1985; 55:1954-1957. [PMID: 10031971 DOI: 10.1103/physrevlett.55.1954] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Improved upper limit on nu tau mass. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1985; 32:800-801. [PMID: 9956203 DOI: 10.1103/physrevd.32.800] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Charged multiplicity of hadronic events containing heavy-quark jets. PHYSICAL REVIEW LETTERS 1985; 54:2580-2583. [PMID: 10031382 DOI: 10.1103/physrevlett.54.2580] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of the branching fraction for tau --->5 pi +/-( pi 0) nu tau and an upper limit on the nu tau mass. PHYSICAL REVIEW LETTERS 1985; 54:2489-2492. [PMID: 10031356 DOI: 10.1103/physrevlett.54.2489] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Measurement of K* and K0 inclusive rates in e+e- annihilation at 29 GeV. PHYSICAL REVIEW. D, PARTICLES AND FIELDS 1985; 31:3013-3016. [PMID: 9955625 DOI: 10.1103/physrevd.31.3013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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