A Precision Measurement of Nuclear Muon Capture on 3He

A.A. Vorobyov; B. Lauss; C. Petitjean; D.V. Balin; E.M. Maev; F.J. Hartmann; G.A. Beer; Gatchina & Catholic U. of Louvain & PSI & Technical U. of Munich & UCB; G.E. Petrov; G.G. Semenchuk

arxiv: hep-ph/9708487 · v1 · pith:YSWCDYP6new · submitted 1997-08-29 · ✦ hep-ph · nucl-ex

A Precision Measurement of Nuclear Muon Capture on 3He

P. Ackerbauer , D.V. Balin , V.M. Baturin , G.A. Beer , W.H. Breunlich , T. Case , K. Crowe , H. Daniel

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J. Deutsch J. Govaerts Yu.S. Grigoriev F.J. Hartmann P. Kammel R. King B. Lauss E.M. Maev V.E. Markushin J. Marton M. Muehlbauer C. Petitjean Th. Petitjean G.E. Petrov R. Prieels W. Prymas W. Schott G.G. Semenchuk Yu.V. Smirenin A.A. Vorobyov N.I. Voropaev P. Wojciechowski (IMEP Wien & PNPI Gatchina & Catholic U. of Louvain & PSI & Technical U. of Munich & UCB LBL & Kurchatov Moscow & U. of Victoria)

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classification ✦ hep-ph nucl-ex

keywords capturemuonrateatombeenchamberconfirmscorresponding

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The muon capture rate in the reaction mu- 3He -> nu + 3H has been measured at PSI using a modular high pressure ionization chamber. The rate corresponding to statistical hyperfine population of the mu-3He atom is (1496.0 +- 4.0) s^-1. This result confirms the PCAC prediction for the pseudoscalar form factors of the 3He-3H system and the nucleon.

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A Precision Measurement of Nuclear Muon Capture on 3He

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