Investigation of the high momentum components of the nuclear wave function using hard quasielastic A (p,2p) X reactions

I. Yaron, L. Frankfurt, E. Piasetzky, M. Sargsian, M. Strikman

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10 Scopus citations


We present a theoretical analysis of the first data for a high-energy and momentum-transfer (hard) quasielastic A(p,2p)X reaction. The cross sections for this reaction are calculated within the light-cone impulse approximation based on a two-nucleon correlation model for the high-momentum component of the nuclear wave function. Nuclear effects due to modification of the bound nucleon structure as well as the soft nucleon-nucleon initial and final state interactions, with and without color coherence, have been studied in detail. The calculations show that the distribution of the bound proton light-cone momentum fraction (α) shifts towards small values (α< 1), an effect that was previously derived only within the plane wave impulse approximation. The shift is very sensitive to short-range correlations in nuclei. The calculations agree with data on the C(p,2p)X reaction obtained from the EVA/AGS experiment at Brookhaven National Laboratory. The theoretical analysis of the data allows the contribution from short-range nucleon correlations to be singled out. The obtained strength of the correlations is in agreement with values previously obtained from electroproduction reactions on nuclei.

Original languageEnglish (US)
Article number024601
Pages (from-to)246011-2460114
Number of pages2214104
JournalPhysical Review C - Nuclear Physics
Issue number2
StatePublished - Aug 1 2002

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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