0000000000869401

AUTHOR

C. Maieron

showing 2 related works from this author

Nuclear effects on lepton polarization in charged-current quasielastic neutrino scattering

2006

We use a correlated local Fermi gas (LFG) model, which accounts also for long distance corrections of the RPA type and final-state interactions, to compute the polarization of the final lepton in charged-current quasielastic neutrino scattering. The present model has been successfully used in recent studies of inclusive neutrino nucleus processes and muon capture. We investigate the relevance of nuclear effects in the particular case of $\tau$ polarization in tau-neutrino induced reactions for several kinematics of relevance for neutrino oscillation experiments.

PhysicsNuclear and High Energy PhysicsParticle physicsNuclear TheoryPhysics::Instrumentation and DetectorsNuclear TheoryHigh Energy Physics::PhenomenologyFísicaFOS: Physical sciencesPolarization (waves)Muon captureNeutrino scatteringNuclear physicsNuclear Theory (nucl-th)High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)High Energy Physics::ExperimentNeutrinoFermi gasNeutrino oscillationCharged currentLepton
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Equivalence between local Fermi gas and shell models in inclusive muon capture from nuclei

2005

Motivated by recent studies of inclusive neutrino nucleus processes and muon capture within a correlated local Fermi gas model (LFG), we discuss the relevance of nuclear finite size effects in these reactions at low energy, in particular for muon capture. To disentangle these effects from others coming from the reaction dynamics we employ here a simple uncorrelated shell model that embodies the typical finite size content of the problem. The integrated decay widths of muon atoms calculated with this shell model are then compared for several nuclei with those obtained within the uncorrelated LFG, using in both models exactly the same theoretical ingredients and parameters. We find that the t…

PhysicsParticle physicsNuclear and High Energy PhysicsMuonNuclear Theorynucl-thHadronShell (structure)FOS: Physical sciencesFísicaObservableMuon captureNuclear Theory (nucl-th)Nuclear physicsReaction dynamicsNuclear fusionNeutrinoWave functionFermi gas
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