X iv : h ep - p h / 96 03 42 5 v 2 1 5 A pr 1 99 6 Relativistic and Neutrino Mass Effects in Partial Muon Capture
نویسندگان
چکیده
The characteristics of the partial nuclear muon capture with massive left-handed Dirac neutrino and relativistic component of the muon wave function have been derived. The multipole amplitudes are given as a function of neutrino mass parameter and reduced nuclear matrix elements which are modified by the small component of the muon wave function. As an example, the capture rate, asymmetry and polarization of recoil nuclei are investigated in terms of these multipole amplitudes. March 1996 ITP UWr 906/96 Submitted for publication in Journal Phys. G e-mail: [email protected] A member of Mexican Sistema Nacional de Investigadores e-mail: [email protected] e-mail: [email protected]
منابع مشابه
v 1 2 8 M ar 1 99 6 Relativistic and Neutrino Mass Effects in Partial
The characteristics of the partial nuclear muon capture with massive left-handed Dirac neutrino and relativistic component of the muon wave function have been derived. The multipole amplitudes are given as a function of neutrino mass parameter and reduced nuclear matrix elements which are modified by the small component of the muon wave function. As an example, the capture rate, asymmetry and p...
متن کاملar X iv : h ep - p h / 02 12 05 1 v 3 8 A pr 2 00 3 Possible improvements on the mass of ν τ using
The last few years have seen growing evidence for non-vanishing neutrino rest masses in the results from neutrino oscillation experiments [1]. However, the direct bounds on neutrino masses remain rather weak. While the electron neutrino mass is known to be smaller than about 2.2 eV [2], the muon neutrino mass has to be smaller than 170 keV [3], a bound about 5 orders of magnitude worse and stil...
متن کاملar X iv : h ep - p h / 96 04 39 5 v 1 2 4 A pr 1 99 6 Estimate for the 0 + + glueball mass in QCD
We obtain accurate result for the lightest glueball mass of QCD in 3 dimensions from lattice Hamiltonian field theory. Using the dimensional reduction argument, a good approximation for confining theories, we suggest that the 0 ++ glueball mass in 3+1 dimensional QCD be about 1.71 GeV.
متن کاملar X iv : h ep - p h / 99 04 44 5 v 1 2 4 A pr 1 99 9 Muon g − 2 and New Physics
Here we invoke the current and future perspective on muon g −2 measurement when asking what the muon g − 2 could tell about the underlying structure concerning with the hierarchy problem. Here we take up two such models, the presence of which turns out to alter the standard model prediction for muon g − 2 significantly: one is TeV scale gravity scenario, the other supersymmetric model, in the l...
متن کاملar X iv : h ep - p h / 96 08 32 5 v 1 1 4 A ug 1 99 6 HIGGS MASS PREDICTION
In this talk the Higgs boson effects in electroweak precision observables are reviewed and the possibility of indirect information on the Higgs mass from electroweak radiative corrections and precision data is discussed.
متن کامل