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Träfflista för sökning "WFRF:(Wojtsekhowski BB) "

Sökning: WFRF:(Wojtsekhowski BB)

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1.
  • Gayou, O, et al. (författare)
  • Measurement of G(Ep)/G(Mp) in (e)over-right-arrowp -> e(p)over-right-arrow to Q(2)=5.6 GeV2
  • 2002
  • Ingår i: Physical Review Letters. - 1079-7114. ; 88:9
  • Tidskriftsartikel (refereegranskat)abstract
    • The ratio of the electric and magnetic form factors of the proton G(Ep)/G(Mp), which is an image of its charge and magnetization distributions, was measured at the Thomas Jefferson National Accelerator Facility (JLab) using the recoil polarization technique. The ratio of the form factors is directly proportional to the ratio of the transverse to longitudinal components of the polarization of the recoil proton in the elastic (e) over right arrowp --> e (p) over right arrow reaction. The new data presented span the range 3.5 < Q(2) < 5.6 GeV2 and are well described by a linear Q(2) fit. Also, the ratio rootQ(2) F-2p/F-1p reaches a constant value above Q(2) = 2 GeV2.
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2.
  • Ulmer, PE, et al. (författare)
  • H-2(e,e ' p)n reaction at high recoil momenta
  • 2002
  • Ingår i: Physical Review Letters. - 1079-7114. ; 89:6
  • Tidskriftsartikel (refereegranskat)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.
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