Anomalous nuclear enhancements in hard pA collisions at Fermilab energies

Fields, T.

doi:10.1016/0375-9474(92)90619-u

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Cited by 8 publications

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“…Using available experimental information for δ k 2 T ≈ 2 − 3 GeV 2 [1] and α = 1.18 ± 0.5 [9], we estimate the mean momentum transfer squared, in a single rescattering of a parton in nuclear matter, k 2 0 ≥ 2 GeV 2 . This value exceeds even the out-of-plane transverse momentum squared, k 2 T ≈ 1 GeV 2 , detected on a proton target [1], what looks puzzling.…”

Section: Di-jetsmentioning

confidence: 99%

Initial/final state interaction in di-jet production off nuclei

Kopeliovich

1995

Physics Letters B

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Recently claimed [1,2,3] anomalous nuclear effects in di-jet production are analyzed in view of multiple interaction of projectile/ejectile partons in nuclear matter. We derive model-independent relations between A-dependence of the cross section and nuclear broadening of transverse momentum. Comparison with the data show that initial/final state interaction of partons participating in hard process is hard as well. This is a solid argument in favor of smallness of a color neutralization radius of a hadronizing highly virtual quark.

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Section: Di-jetsmentioning

confidence: 99%