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Cooke DA, Crivelli P, Alnis J, Antognini A, Brown B, Friedreich S, Gabard A, Haensch TW, Kirch K, Rubbia A, Vrankovic V. Observation of positronium annihilation in the 2S state: towards a new measurement of the 1S-2S transition frequency. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s10751-015-1158-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Crivelli P, Cooke DA, Friedreich S. Experimental considerations for testing antimatter antigravity using positronium 1S-2S spectroscopy. ACTA ACUST UNITED AC 2014. [DOI: 10.1142/s2010194514602579] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In this contribution to the WAG 2013 workshop we report on the status of our measurement of the 1S-2S transition frequency of positronium. The aim of this experiment is to reach a precision of 0.5 ppb in order to cross check the QED calculations. After reviewing the current available sources of Ps, we consider laser cooling as a route to push the precision in the measurement down to 0.1 ppb. If such an uncertainty could be achieved, this would be sensitive to the gravitational redshift and therefore be able to assess the sign of gravity for antimatter.
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Affiliation(s)
- P. Crivelli
- Institute for Particle Physics, ETH Zurich, Otto-Stern-Weg 5, 8093 Zurich, Switzerland
| | - D. A. Cooke
- Institute for Particle Physics, ETH Zurich, Otto-Stern-Weg 5, 8093 Zurich, Switzerland
| | - S. Friedreich
- Institute for Particle Physics, ETH Zurich, Otto-Stern-Weg 5, 8093 Zurich, Switzerland
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Hughes VW. High Precision Spectroscopy of Positronium and Muonium. ADVANCES IN QUANTUM CHEMISTRY 1998. [DOI: 10.1016/s0065-3276(08)60505-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Zhang T. Corrections to O( alpha 7(ln alpha )mc2) fine-structure splittings and O( alpha 6(ln alpha )mc2) energy levels in helium. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1996; 54:1252-1312. [PMID: 9913593 DOI: 10.1103/physreva.54.1252] [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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Eides MI, Grotch H. Corrections of order alpha 6 to S levels of two-body systems. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 52:1757-1760. [PMID: 9912418 DOI: 10.1103/physreva.52.1757] [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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Kvitsinsky AA, Carbonell J, Gignoux C. s-wave positron-hydrogen scattering via Faddeev equations: Elastic scattering and positronium formation. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 51:2997-3004. [PMID: 9911934 DOI: 10.1103/physreva.51.2997] [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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Ley R, Hagena D, Weil D, Werth G, Arnold W, Schneider H. Spectroscopy of excited state positronium. ACTA ACUST UNITED AC 1994. [DOI: 10.1007/bf02064517] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Khriplovich IB, Milstein AI, Yelkhovsky AS. Order alpha 4R. PHYSICAL REVIEW LETTERS 1993; 71:4323-4325. [PMID: 10055217 DOI: 10.1103/physrevlett.71.4323] [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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Hagena D, Ley R, Weil D, Werth G, Arnold W, Schneider H. Precise measurement of n=2 positronium fine-structure intervals. PHYSICAL REVIEW LETTERS 1993; 71:2887-2890. [PMID: 10054804 DOI: 10.1103/physrevlett.71.2887] [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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Fell RN. Single-transverse-photon contributions of order alpha 6ln ( alpha ) to the energy levels of positronium. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1993; 48:2634-2667. [PMID: 9909913 DOI: 10.1103/physreva.48.2634] [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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Drake GW, Khriplovich IB, Milstein AI, Yelkhovsky AS. Energy corrections of order mc2 alpha 6ln alpha in helium. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1993; 48:R15-R17. [PMID: 9909679 DOI: 10.1103/physreva.48.r15] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Fee MS, Chu S, Mills AP, Chichester RJ, Zuckerman DM, Shaw ED, Danzmann K. Measurement of the positronium 1 (3)S1-2 (3)S1 interval by continuous-wave two-photon excitation. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1993; 48:192-219. [PMID: 9909589 DOI: 10.1103/physreva.48.192] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Fee MS, Mills AP, Chu S, Shaw ED, Danzmann K, Chichester RJ, Zuckerman DM. Measurement of the positronium 1(3)S1-2(3)S1 interval by continuous-wave two-photon excitation. PHYSICAL REVIEW LETTERS 1993; 70:1397-1400. [PMID: 10053282 DOI: 10.1103/physrevlett.70.1397] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Garcia N, Crespo P, Hernando A, Bovier C, Serughetti J, Duval E. Magnetic properties of Cu-doped porous silica gels: A possible Cu ferromagnet. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:570-573. [PMID: 10004493 DOI: 10.1103/physrevb.47.570] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Steiger TD, Conti RS. Formation of n=2 positronium from untreated metal surfaces. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1992; 45:2744-2752. [PMID: 9907303 DOI: 10.1103/physreva.45.2744] [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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