Investigation of proton-proton short-range correlations via the C12(e,e′pp) reaction

  • R. Shneor*
  • , P. Monaghan
  • , R. Subedi
  • , B. D. Anderson
  • , K. Aniol
  • , J. Annand
  • , J. Arrington
  • , H. Benaoum
  • , F. Benmokhtar
  • , P. Bertin
  • , W. Bertozzi
  • , W. Boeglin
  • , J. P. Chen
  • , Seonho Choi
  • , E. Chudakov
  • , E. Cisbani
  • , B. Craver
  • , C. W. De Jager
  • , R. J. Feuerbach
  • , S. Frullani
  • F. Garibaldi, O. Gayou, S. Gilad, R. Gilman, O. Glamazdin, J. Gomez, J. O. Hansen, D. W. Higinbotham, T. Holmstrom, H. Ibrahim, R. Igarashi, E. Jans, X. Jiang, Y. Jiang, L. Kaufman, A. Kelleher, A. Kolarkar, E. Kuchina, G. Kumbartzki, J. J. Lerose, R. Lindgren, N. Liyanage, D. J. Margaziotis, P. Markowitz, S. Marrone, M. Mazouz, D. Meekins, R. Michaels, B. Moffit, S. Nanda, C. F. Perdrisat, E. Piasetzky, M. Potokar, V. Punjabi, Y. Qiang, J. Reinhold, B. Reitz, G. Ron, G. Rosner, A. Saha, B. Sawatzky, A. Shahinyan, S. Širca, K. Slifer, P. Solvignon, V. Sulkosky, N. Thompson, P. E. Ulmer, G. M. Urciuoli, E. Voutier, K. Wang, J. W. Watson, L. B. Weinstein, B. Wojtsekhowski, S. Wood, H. Yao, X. Zheng, L. Zhu
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

180 Scopus citations

Abstract

We investigated simultaneously the C12(e,e′p) and C12(e,e′pp) reactions at Q2=2(GeV/c)2, xB=1.2, and in an (e, e′p) missing-momentum range from 300 to 600MeV/c. At these kinematics, with a missing momentum greater than the Fermi momentum of nucleons in a nucleus and far from the delta excitation, short-range nucleon-nucleon correlations are predicted to dominate the reaction. For (9.5±2)% of the C12(e,e′p) events, a recoiling partner proton was observed back-to-back to the C12(e,e′p) missing-momentum vector, an experimental signature of correlations.

Original languageEnglish
Article number072501
JournalPhysical Review Letters
Volume99
Issue number7
DOIs
StatePublished - 17 Aug 2007
Externally publishedYes

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