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Tau polarization in quasielastic charged-current neutrino(antineutrino)–nucleus scattering

✍ Scribed by Krzysztof M. Graczyk

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
267 KB
Volume
748
Category
Article
ISSN
0375-9474

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✦ Synopsis

The quasielastic charged-current (CC) tau neutrino(antineutrino)-nucleus scattering is considered. The dependence of tau polarization on nuclear-structure effects is discussed in detail. The description of the nucleus is based on the mean-field theory (MFT). The ground state of nucleus is described using the relativistic Fermi gas model (FG). The effective mass is introduced as well as the ring random phase approximation (RPA) effects are taken into account in the framework of relativistic mesonnucleon model. The local density approximation (LDA) is used for the argon nucleus, having in mind possible application to the ICARUS experiment. The discussion concentrates on the threshold region where the τ -can be unpolarized and the nuclear effects play an important role.

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Tau lepton polarization in quasielastic
Tau lepton polarization in quasielastic neutrino-nucleon scattering
✍ Konstantin S. Kuzmin; Vladimir V. Lyubushkin; Vadim A. Naumov 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 191 KB

We derive structure functions for the quasielastic production of octet baryons in ντ n and ντ p interactions and study the polarization of τ leptons produced in the ∆Y = 0 reactions. Possible impact of the charged second-class currents is investigated by adopting a simple phenomenological parametriz