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Publication Information
Title Determination of the argon spectral function from (e, e'p) data
Abstract The E12-14-012 experiment, performed in Jefferson Lab Hall A, has measured the (e,e?p) cross section in parallel kinematics using a natural argon target. Here, we report the full results of the analysis of the data set corresponding to beam energy 2.222 GeV, and spanning the missing momentum and missing energy range 15-300~MeV/c and 12<E_m<80~MeV. The reduced cross section, determined as a function of p_m and E_m with?4% accuracy, has been fitted using the results of Monte Carlo simulations involving a model spectral function and including the effects of final state interactions. The overall agreement between data and simulations turns out to be quite satisfactory. The resulting spectral function will provide valuable new information, needed for the interpretation of neutrino interactions in liquid argon detectors.
Author(s) L. Jiang, A. Ankowski, D. Abrams, L. Gu, B. Aljawrneh, S. Alsalmi, J. Bane, A. Batz, S. Barcus, M. Barroso, V. Bellini, O. Benhar, J. Bericic, D. Biswas, A. Camsonne, J. Castellanos, J. Chen, M. Christy, K. Craycraft, R. Cruz-Torres, H. Dai, D. Day, A. Dirican, S.-C. Dusa, E. Fuchey, T. Gautam, C. Giusti, J. Gomez, C. Gu, T. Hague, J. Hansen, F. Hauenstein, D. Higinbotham, C. Hyde, Z. Jerzyk, C. Keppel, S. Li, R. Lindgren, H. Liu, C. Mariani, R. McClellan, D. Meekins, R. Michaels, M. Mihovilovic, M. Murphy, D. Nguyen, M. Nycz, L. Ou, B. Pandey, V. Pandey, K. Park, G. Perera, A. Puckett, S. Santiesteban, S. Sirca, T. Su, L. Tang, Y. Tian, N. Ton, Bogdan Wojtsekhowski, S. Wood, Z. Ye, J. Zhang
Publication Date June 2022
Document Type Journal Article
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Exp Nuclear Physics / Experimental Halls / Hall A
Funding Source Nuclear Physics (NP)
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-PHY-22-3575 OSTI Number: 1871942
LANL Number: arXiv:2203.01748 Other Number: DOE/OR/23177-5445
Associated with an experiment Yes
Experiment Number(s)
E12-14-012
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Journal Article
Journal Name Physical Review D
Refereed Yes
Volume 105
Issue 11
Page(s) 112002
Attachments/Datasets/DOI Link
Document(s)
2203.01748.pdf (STI Document)
2203.01748.pdf (Accepted Manuscript)
DOI Link
Dataset(s) (none)
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