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Type: Artigo de periódico
Title: Study Of Quasielastic Scattering Using Charged-current Nu(mu)-iron Interactions In The Minos Near Detector
Author: Adamson
P.; Anghel
I.; Aurisano
A.; Barr
G.; Bishai
M.; Blake
A.; Bock
G. J.; Bogert
D.; Cao
S. V.; Castromonte
C. M.; Childress
S.; Coelho
J. A. B.; Corwin
L.; Cronin-Hennessy
D.; de Jong
J. K.; Devan
A. V.; Devenish
N. E.; Diwan
M. V.; Escobar
C. O.; Evans
J. J.; Falk
E.; Feldman
G. J.; Frohne
M. V.; Gallagher
H. R.; Gomes
R. A.; Goodman
M. C.; Gouffon
P.; Graf
N.; Gran
R.; Grzelak
K.; Habig
A.; Hahn
S. R.; Hartnell
J.; Hatcher
R.; Holin
A.; Huang
J.; Hylen
J.; Irwin
G. M.; Isvan
Z.; James
C.; Jensen
D.; Kafka
T.; Kasahara
S. M. S.; Koizumi
G.; Kordosky
M.; Kreymer
A.; Lang
K.; Ling
J.; Litchfield
P. J.; Lucas
P.; Mann
W. A.; Marshak
M. L.; Mayer
N.; McGivern
C.; Medeiros
M. M.; Mehdiyev
R.; Meier
J. R.; Messier
M. D.; Miller
W. H.; Mishra
S. R.; Sher
S. Moed; Moore
C. D.; Mualem
L.; Musser
J.; Naples
D.; Nelson
J. K.; Newman
H. B.; Nichol
R. J.; Nowak
J. A.; O'Connor
J.; Orchanian
M.; Pahlka
R. B.; Paley
J.; Patterson
R. B.; Pawloski
G.; Perch
A.; Pfuetzner
M.; Phan-Budd
S.; Plunkett
R. K.; Poonthottathil
N.; Qiu
X.; Radovic
A.; Rebel
B.; Rosenfeld
C.; Rubin
H. A.; Sanchez
M. C.; Schneps
J.; Schreckenberger
A.; Schreiner
P.; Sharma
R.; Sousa
A.; Tagg
N.; Talaga
R. L.; Thomas
J.; Thomson
M. A.; Tian
X.; Timmons
A.; Tognini
S. C.; Toner
R.; Torretta
D.; Urheim
J.; Vahle
P.; Viren
B.; Walding
J. J.; Weber
A.; Webb
R. C.; White
C.; Whitehead
L.; Whitehead
L. H.; Wojcicki
S. G.; Zwaska
Abstract: Kinematic distributions from an inclusive sample of 1.41 x 10(6) charged-current nu(mu) interactions on iron, obtained using the MINOS near detector exposed to a wide-band beam with peak flux at 3 GeV, are compared to a conventional treatment of neutrino scattering within a Fermi gas nucleus. Results are used to guide the selection of a subsample enriched in quasielastic nu Fe-mu interactions, containing an estimated 123,000 quasielastic events of incident energies 1 < E-nu < 8 GeV, with < E-nu > = 2.79 GeV. Four additional subsamples representing topological and kinematic sideband regions to quasielastic scattering are also selected for the purpose of evaluating backgrounds. Comparisons using subsample distributions in four-momentum transfer Q(2) show the Monte Carlo model to be inadequate at low Q(2). Its shortcomings are remedied via inclusion of a Q(2)-dependent suppression function for baryon resonance production, developed from the data. A chi-square fit of the resulting Monte Carlo simulation to the shape of the Q(2) distribution for the quasielastic-enriched sample is carried out with the axial-vector mass M-A of the dipole axial-vector form factor of the neutron as a free parameter. The effective M-A which best describes the data is 1.23(-0.09)(+0.13)(fit)(-0.15)(+0.12)(syst) GeV.
Subject: Neutrino-nucleus Scattering
Meson-exchange Currents
Axial-vector Mass
Event Generator
Citation: Study Of Quasielastic Scattering Using Charged-current Nu(mu)-iron Interactions In The Minos Near Detector. Amer Physical Soc, v. 91, p. Jan-2015.
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.91.012005
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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