Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session J12: Mini-Symposium: Constraining the Neutrino-nucleus Interaction for Neutrino Oscillations I
1:30 PM–3:06 PM,
Sunday, April 14, 2019
Sheraton
Room: Plaza Court 1
Sponsoring
Units:
DNP DPF
Chair: Alex Himmel, Fermilab
Abstract: J12.00003 : Inclusive and Exclusive Electron Scattering on 40Ar and 48Ti to Aid Precision Neutrino Oscillation Experiments*
2:18 PM–2:30 PM
Presenter:
Daniel L Abrams
(University of Virginia)
Author:
Daniel L Abrams
(University of Virginia)
Collaboration:
E12-14-012 collaboration at Jefferson Lab
E12-14-012 at Jefferson Lab was conducted to measure the 40Ar spectral function, S(k,E), through coincidence electron scattering 40Ar(e,e′p). S(k,E) yields the probability of removing a nucleon of momentum k = |k| from the nuclear ground state, leaving the residual nuclear system with excitation energy E. E12-14-012 collected coincidence data from 40Ar and 48Ti, as well as inclusive data (e,e′) from 12C, 48Ti and 40Ar. Upcoming neutrino oscillation experiments, such as DUNE, will use Liquid Argon Time Projection Chamber (LArTPC) detectors, and hence an understanding of the argon nuclear ground state and its response to neutrino interactions is essential. A direct measurement of the coincidence (e,e′p) cross section on argon will provide the experimental input necessary to constrain the theoretical models used to calculate S(k,E), thus paving the way for a reliable estimate of the neutrino cross sections. After a brief introduction to the motivation and experimental details, the state of the analysis will be presented.
*Supported in part by the DOE Office of Science, Office of Nuclear Physics, contract DE-FG02-96ER40950
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