Enhancement of subthreshold antiproton productions in deuteron induced reactions

J. Chiba, D. Ashery, H. Ito, K. Kimura, Yu T. Kiselev, S. Koda, K. Miyano, T. Murakami, T. Nagae, Y. Nakai, M. Nomachi, S. Sawada, M. Sekimoto, T. Suzuki, K. H. Tanaka, M. K. Vlasov, Y. Yoshimura

Research output: Contribution to journalArticlepeer-review

Abstract

We measured cross sections of subthreshold p ̄ productions in the reactions of d + {C, Al, Cu} at 3.0, 3.5, 4.0 and 5.0 GeV/u, and p + {C, Cu} at 3.5, 4.0 and 5.0 GeV. An enormous enhancement of p ̄ productions in deuteron induced reactions was found at lower incident energies. It seems to be difficult to understand such an enhancement with our present knowledge of nuclear interactions.

Original languageEnglish
Pages (from-to)771-774
Number of pages4
JournalNuclear Physics A
Volume553
Issue numberC
DOIs
StatePublished - 1 Mar 1993
Externally publishedYes

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