Experimental search for a new light baryon

S. Ram*, R. Abegg, D. Ashery, D. Frekers, R. Helmer, R. S. Henderson, K. P. Jackson, C. A. Miller, S. Nussinov, E. Piasetzky, A. Rahav, A. I. Yavin, S. Yen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A search was conducted for a light baryon X++ in the mass range MN+MπMXMN, by bombarding a CH2 target with 460 MeV protons, and detecting the products in the Medium Resolution Spectrometer, which was placed at a scattering angle of 15 degrees. No doubly charged baryon in this mass range was detected, thus setting an upper limit of a few tens pb/sr for the reaction. The experiment indicates that if such a light baryon exists its interaction with the "ordinary" physical world is very weak, probably at least 107 times weaker than the strong interaction.

Original languageEnglish
Pages (from-to)3120-3125
Number of pages6
JournalPhysical Review D
Issue number7
StatePublished - 1994


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