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Determination of the titanium spectral function from (e, e′p) data

L. Jiang1, A. M. Ankowski2, D. Abrams3, L. Gu1, B. Aljawrneh4, S. Alsalmi5, J. Bane6, A. Batz7, S. Barcus7 et al. (The Jefferson Lab Hall A Collaboration)

S. Barcus7, M. Barroso8, V. Bellini9, O. Benhar10, J. Bericic11, D. Biswas12, A. Camsonne11, J. Castellanos13, J.-P. Chen11, M. E. Christy11, K. Craycraft6, R. Cruz-Torres14, H. Dai1, D. Day3, A. Dirican15, S.-C. Dusa11, E. Fuchey16, T. Gautam12, C. Giusti17, J. Gomez11,*, C. Gu18, T. J. Hague19, J.-O. Hansen11, F. Hauenstein20, D. W. Higinbotham11, C. Hyde20, Z. Jerzyk21, A. M. Johnson22, C. Keppel11, C. Lanham1, S. Li23, R. Lindgren3, H. Liu24, C. Mariani1,†, R. E. McClellan11, D. Meekins11, R. Michaels11, M. Mihovilovic25, M. Murphy1, D. Nguyen3, M. Nycz19, L. Ou14, B. Pandey12, V. Pandey1,‡, K. Park11, G. Perera3, A. J. R. Puckett16, S. N. Santiesteban23, S. Širca26,25, T. Su19, L. Tang11,12, Y. Tian27, N. Ton3, B. Wojtsekhowski11, S. Wood11, Z. Ye28, and J. Zhang3 (The Jefferson Lab Hall A Collaboration)

  • 1Center for Neutrino Physics, Virginia Tech, Blacksburg, Virginia 24061, USA
  • 2SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California 94025, USA
  • 3Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
  • 4North Carolina Agricultural and Technical State University, Greensboro, North Carolina 27401, USA
  • 5King Saud University, Riyadh 11451, Kingdom of Saudi Arabia
  • 6The University of Tennessee, Knoxville, Tennessee 37996, USA
  • 7The College of William and Mary, Williamsburg, Virginia 23187, USA
  • 8Georgia Institute of Technology, Georgia 30332, USA
  • 9INFN, Sezione di Catania, Catania, 95123, Italy
  • 10INFN and Dipartimento di Fisica, Sapienza Università di Roma, I-00185 Roma, Italy
  • 11Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA
  • 12Hampton University, Hampton, Virginia 23669, USA
  • 13Florida International University, Miami, Florida 33181, USA
  • 14Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 15Department of Physics, University of Maryland, College Park, Maryland 20742, USA
  • 16University of Connecticut, Storrs, Connecticut 06269, USA
  • 17Dipartimento di Fisica, Università degli Studi di Pavia and INFN, Sezione di Pavia, I-27100 Pavia, Italy
  • 18Duke University, Durham, North Carolina 27708, USA
  • 19Kent State University, Kent, Ohio 44242, USA
  • 20Old Dominion University, Norfolk, Virginia 23529, USA
  • 21Department of Physics, St. Norbert College, De Pere, Wisconsin 54115, USA
  • 22Department of Physics, Gettysburg College, Gettysburg, Pennsylvania 17325, USA
  • 23University of New Hampshire, Durham, New Hampshire 03824, USA
  • 24Columbia University, New York, New York 10027, USA
  • 25Jozef Stefan Institute, Ljubljana 1000, Slovenia
  • 26Faculty of Mathematics and Physics, University of Ljubljana, Ljubljana 1000, Slovenia
  • 27Shandong University, Shandong, 250000, China
  • 28Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA

  • *Deceased.
  • †mariani@vt.edu
  • ‡Present address: Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510, USA.
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Phys. Rev. D 107, 012005 – Published 26 January, 2023

DOI: https://doi.org/10.1103/PhysRevD.107.012005

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 titanium target. In this paper, we report the analysis of the dataset obtained in different kinematics for our solid natural titanium target. Data were obtained in a range of missing momentum and missing energy between 15≲pm≲250  MeV/c and 12≲Em≲80  MeV, respectively, and using an electron beam energy of 2.2 GeV. We measured the reduced cross section with ∼7% accuracy as a function of both missing momentum and missing energy. Our Monte Carlo simulation, including both a model spectral function and the effects of final-state interactions, satisfactorily reproduces the data.

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Phys. Rev. D 107, 012005– Published 26 January, 2023
  • Received 27 September 2022
  • Accepted 6 January 2023
Article part of CHORUS
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