The large momentum transfer reaction 12C(p,2p + n) as a new method for measuring short range NN correlations in nuclei

J. Aclander, J. Alster, D. Barton, G. Bunce, A. Carroll, N. Christensen, H. Courant, S. Durrant, S. Gushue, S. Heppelmann, E. Kosonovsky, I. Mardor, Y. Mardor, M. Marshak, Y. Makdisi, E. D. Minor, I. Navon, H. Nicholson, E. Piasetzky, T. RoserJ. Russell, M. Sargsian, C. S. Sutton, M. Tanaka, C. White, J. Y. Wu

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The reaction 12C(p,2p + n) was measured for momentum transfers of 4.8 and 6.2 (GeV/c)2 at beam momenta of 5.9 and 7.5 GeV/c. We measured the quasi-elastic reaction (p,2p) at θcm ≃ 90°, in a kinematically complete measurement. The neutron momentum was measured in triple coincidence with the two emerging high momentum protons. We present the correlation between the momenta of the struck target proton and the neutron. The events are associated with the high momentum components of the nuclear wave function. We present sparse data which, combined with a quasi elastic description of the (p,2p) reaction and kinematical arguments, point to a novel way for isolating two-nucleon short range correlations.

Original languageEnglish (US)
Pages (from-to)211-216
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3-4
StatePublished - May 6 1999

Bibliographical note

Funding Information:
This researchw as supportedb y the U.S. - Israel Binational Science Foundation, the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities, the NSF grant PHY-9501114 and the U.S. Department of Energy grant DEFG0290ER40.553.

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