A search for πNN bound systems

D. Ashery*, J. Lichtenstadt, E. Piasetzky, C. L. Morris, J. D. Zumbro, R. Gilman, M. W. Rawool, S. Mordechai, B. Boyer, A. Fuentes, K. Johnson, J. W. McDonald, M. J. Smithson, A. Williams, S. H. Yoo, C. Fred Moore

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The d(π+, π-)T+++ and the d(π-, π+) T- reactions were studied at an incident pion energy of 260 MeV. Outgoing negative pions were detected at 35° and 55° in the first reaction, and the positive pions at 45° in the second. Indications for structures corresponding to a (π+pp) system with a mass of 2003.0±1.0 MeV and a (π-nn) system with a mass of 200.1±1.5 MeV were observed with marginal statistical significance. Upper limits for the cross sections are obtained.

Original languageEnglish
Pages (from-to)41-44
Number of pages4
JournalPhysics Letters B
Volume215
Issue number1
DOIs
StatePublished - 8 Dec 1988

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