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Title: Polarization of τ in quasielastic (anti)neutrino scattering: The role of spectral functions

Abstract

We present a study of the τ polarization in charged-current quasielastic (anti)neutrino-nucleus scattering. The spectral function formalism is used to compute the differential cross section and the polarization components for several kinematical setups, relevant for neutrino-oscillation experiments. Here, the effects of the nuclear corrections in these observables are investigated by comparing the results obtained using two different realistic spectral functions, with those deduced from the relativistic global Fermi gas model, where only statistical correlations are accounted for. We show that the spectral functions, although they play an important role when predicting the differential cross sections, produce much less visible effects on the polarization components of the outgoing τ .

Authors:
 [1];  [2]; ORCiD logo [1]
  1. Instituto de Física Corpuscular (IFIC), Valencia (Spain)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); European Union, Horizon 2020 Research and Innovation Programmer; USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1579328
Alternate Identifier(s):
OSTI ID: 1560287
Grant/Contract Number:  
AC02-06CH11357; AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 100; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Sobczyk, J. E., Rocco, N., and Nieves, J. Polarization of τ in quasielastic (anti)neutrino scattering: The role of spectral functions. United States: N. p., 2019. Web. doi:10.1103/PhysRevC.100.035501.
Sobczyk, J. E., Rocco, N., & Nieves, J. Polarization of τ in quasielastic (anti)neutrino scattering: The role of spectral functions. United States. https://doi.org/10.1103/PhysRevC.100.035501
Sobczyk, J. E., Rocco, N., and Nieves, J. Tue . "Polarization of τ in quasielastic (anti)neutrino scattering: The role of spectral functions". United States. https://doi.org/10.1103/PhysRevC.100.035501. https://www.osti.gov/servlets/purl/1579328.
@article{osti_1579328,
title = {Polarization of τ in quasielastic (anti)neutrino scattering: The role of spectral functions},
author = {Sobczyk, J. E. and Rocco, N. and Nieves, J.},
abstractNote = {We present a study of the τ polarization in charged-current quasielastic (anti)neutrino-nucleus scattering. The spectral function formalism is used to compute the differential cross section and the polarization components for several kinematical setups, relevant for neutrino-oscillation experiments. Here, the effects of the nuclear corrections in these observables are investigated by comparing the results obtained using two different realistic spectral functions, with those deduced from the relativistic global Fermi gas model, where only statistical correlations are accounted for. We show that the spectral functions, although they play an important role when predicting the differential cross sections, produce much less visible effects on the polarization components of the outgoing τ.},
doi = {10.1103/PhysRevC.100.035501},
journal = {Physical Review C},
number = 3,
volume = 100,
place = {United States},
year = {Tue Sep 03 00:00:00 EDT 2019},
month = {Tue Sep 03 00:00:00 EDT 2019}
}

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Cited by: 13 works
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