منابع مشابه
Muon Lifetime and Muon Capture
We present an introduction to the MuLAN and MuCAP experiments at PSI, which aim at high precision determinations of two fundamental Weak Interactions parameters: the Fermi constant GF and the induced pseudoscalar form factor gp, respectively. MULAN MUON LIFETIME The Fermi coupling constant GF is one of the fundamental constants of the Standard Model. GF is obtained from the muon lifetime via a ...
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2014 Supermultiplet symmetry is broken in the muon capture by 40Ca with the emission of neutrons when the final state interaction is taken into account. This breaking of symmetry is attributed to the spin-orbit term in the optical potential and is found to be large at lower neutron energies ( 30 MeV). However, we find that high energy neutrons seem to be unaffected by the spin-orbit interaction...
متن کاملOverview of a Muon Capture Section for Muon Accelarators*
We describe a muon capture section to manipulate the longitudinal and transverse phase-space to collect efficiently a muon beam produced from an intense proton source target. We show that this can be achieved by using a set of properly tuned rf cavities that capture the beam into a string of bunches and aligns them into nearly equal central energies, with a solenoidal chicane that filters high ...
متن کاملExcited state muon transfer in hydrogen/deuterium mixtures.
We report the first direct observation of excited state muon transfer in hydrogen/deuterium mixtures by direct measurement of q1s, the probability that a μp atom, which is initially formed in an excited state, reaches the 1s ground state. The dependence of q1s on deuterium concentration cd was measured for two different densities at cryogenic temperatures using charge coupled devices (CCDs) to ...
متن کاملMuon capture on the proton and deuteron
By measuring the lifetime of the negative muon in pure protium (H), the MuCap experiment determines the rate of muon capture on the proton, from which the proton’s pseudoscalar coupling gp may be inferred. A precision of 15% for gp has been published; this is a step along the way to a goal of 7%. This coupling can be calculated precisely from heavy baryon chiral perturbation theory and therefor...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 2010
ISSN: 0375-9474
DOI: 10.1016/j.nuclphysa.2010.02.009