Dionisi, C. ; Armenteros, R. ; Diaz, J. ; Gavillet, Ph. ; Gay, J. B. ; Gurtu, A. ; Hemingway, R. J. ; Mazzucato, M. ; Trepagnier, P. ; Blokzijl, R. ; Massaro, G. G. G. ; Jongejans, B. ; Engelen, J. ; Timmermans, J. J. ; Van De Walle, R. T. ; Foster, B. ; Lamb, P. R. ; McDowell, W. L. (1978) An I= 1 enhancement at a mass of 1550 MeV in the (Λπ) and (∑π)-systems Physics Letters B: Nuclear Physics and Particle Physics, 78 (1). pp. 154-157. ISSN 0370-2693
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037026...
Related URL: http://dx.doi.org/10.1016/0370-2693(78)90371-4
Abstract
Evidence is presented for an I = 1 enhancement observed in the reactions K-p→Λ(∑)K01K± π at 4.2 GeV/c inciden momentum. The mass and width of the proposed new Y∗ are, respectively, (1553 ± 7) MeV) and (80 ± 30) MeV. A decay branching ratio ∑π/(∑π + ΛΠ) = (35 ± 12)% is also obtained.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 11532 |
| Deposited On: | 16 Nov 2010 13:49 |
| Last Modified: | 02 Jun 2011 11:03 |
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