Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session R12: Mini-Symposium: Constraining the Neutrino-nucleus Interaction for Neutrino Oscillations II
1:30 PM–3:18 PM,
Monday, April 15, 2019
Sheraton
Room: Plaza Court 1
Sponsoring
Units:
DNP DPF
Chair: Alex Himmel, Fermilab
Abstract: R12.00003 : Combined on/off-axis inclusive charged current cross-section measurement on carbon in the T2K near detector complex*
1:54 PM–2:06 PM
View Presentation Abstract
Presenter:
Andrew B Cudd
(Michigan State University)
Author:
Andrew B Cudd
(Michigan State University)
Collaboration:
T2K
The T2K long-baseline neutrino oscillation experiment has a diverse program of neutrino-interaction cross-section measurements using its on-axis and off-axis near detectors. The two near detectors sample different neutrino energy spectra; an analysis using both detectors is able to better probe the energy dependence of few-GeV neutrino interactions than either detector can independently.
This talk describes a simultaneous cross-section measurement on scintillator (CH) target using both near detectors. Neutrino detectors measure total rate, which is a convolution of flux and cross section effects. Because both detectors are exposed to neutrinos from the same beamline, many uncertainties in the neutrino flux prediction will be correlated. This fact combined with the different neutrino energy spectra seen in each detector will improve the sensitivity to the flux and cross-section degeneracy. This analysis will be the first cross-section measurement in T2K to use samples from multiple detectors in the same beamline.
*Department of Energy, Office of Science, DE-SC0015903
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