H-2(e,e ' p)n reaction at high recoil momenta

PE Ulmer, KA Aniol, H Arenhovel, JP Chen, E Chudakov, D Crovelli, JM Finn, Kevin Fissum, O Gayou, J Gomez, JO Hansen, CW de Jager, S Jeschonnek, MK Jones, M Kuss, JJ LeRose, M Liang, RA Lindgren, S Malov, D MeekinsR Michaels, J Mitchell, CF Perdrisat, V Punjabi, R Roche, F Sabatie, A Saha, R Suleiman, L Todor, BB Wojtsekhowski

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The 2H(e,e(')p)n cross section was measured in Hall A of the Thomas Jefferson National Accelerator Facility near the top of the quasielastic peak (x(Bj)=0.964) at a four-momentum transfer squared, Q(2)=0.665 (GeV/c) (2) (omega=0.368 GeV, W=2.057 GeV), and for recoil momenta up to 550 MeV/c. The measured cross section deviates by 1-2sigma from a state-of-the-art calculation at low recoil momenta. At high recoil momenta the cross section is well described by the same calculation; however, in this region, final-state interactions and interaction currents are predicted to be large, and alternative choices of nucleon-nucleon potential and nucleon current operator may result in significant spread in the calculations.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume89
    Issue number6
    DOIs
    Publication statusPublished - 2002

    Subject classification (UKÄ)

    • Subatomic Physics

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