نتایج جستجو برای: muon
تعداد نتایج: 7546 فیلتر نتایج به سال:
Abstarct Recently BNL have measured the muon magnetic moment anomaly with increased precision. The world average experimental value at present shows a discrepancy of 43(16)× 10 from the Standard Model [SM] value. In this paper we investigate the implications of this difference on a class of scalar leptoquark interactions to SM quark-lepton pair. We find that for leptoquarks in the few hundred G...
We discuss prospects of deep inelastic scattering physics capabilities at the future muon collider facility. In addition to μμ collider itself, the facility provides other possibilities. Among the possibilities, we present muon-proton collider and neutrino fixed target programs at the muon collider facility. This μ − p collider program extends kinematic reach and luminosity by an order of magni...
Muon bremsstrahlung photons converted in front of the DELPHI main tracker (TPC) in dimuon events at LEP1 were studied in two photon kinematic ranges: 0.2 <Eγ ≤ 1 GeV and transverse momentum with respect to the parent muon pT < 40 MeV/c, and 1 <Eγ ≤ 10 GeV and pT < 80 MeV/c. A good agreement of the observed photon rate with predictions from QED for the muon inner bremsstrahlung was found, contra...
We discuss the use of the Kubo Golden rule (KGR) in the derivation of new muon polarization functions for arbitrary static "eld distributions in both zero (ZF) and longitudinal (LF) applied "elds. ZF/LF muon spin relaxation measurements in spin-ladder system Sr(Cu 1~x Zn x ) 2 O 3 are reported, with observations of dilute moment freezing for x[0.008 and dense moment freezing for xZ0.008. In nei...
Borexino, a liquid scintillator detector at LNGS, is designed for the detection of neutrinos and antineutrinos from the Sun, supernovae, nuclear reactors, and the Earth. The feeble nature of these signals requires a strong suppression of backgrounds below a few MeV. Very low intrinsic radiogenic contamination of all detector components needs to be accompanied by the efficient identification of ...
The capability of the Muon Tracking Detector to measure the radial and tangential angles of muons in extensive air showers, in combination with the shower direction as determined by the scintillator array of KASCADE experiment, has been investigated. Due to different characteristics in shower development of light and heavy primary particles the radial angle is sensitive to the mass of them. For...
We discuss a complete scheme for production and cooling a muon beam for three specified Muon Colliders. We outline the parameters for these Muon Colliders. The scheme starts with the front end of a proposed Neutrino Factory that yields bunch trains of both muon signs. Emittance exchange cooling in upward or downward broad helical lattices reduces the longitudinal emittance until it becomes poss...
Over 25 years have passed since the proposal of ionization cooling [1]. This key enabling technology for intense stored muon beams will be demonstrated experimentally for the first time in the Muon Ionization Cooling Experiment (MICE). Potential applications include: (1) neutrino factories, a powerful tool for the study of neutrino oscillation and leptonic CP violation [2]; and (2) muon collide...
The Fermilab proton source is capable of providing 8 GeV protons for both the future long-baseline neutrino program (NuMI), and for a new program of low energy muon experiments. In particular, if the 8 GeV protons are rebunched and then slowly extracted into an external beamline, the resulting proton beam would be suitable for a muon-to-electron conversion experiment designed to improve on the ...
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