Upper Limit On The Decay Σ(1385)-→Σ -γ And Cross Section For γΣ -→Λπ-

Molchanov V.V.; Alkhazov G.; Atamantchouk A.G.; Balatz M.Y.; Bondar N.F.; Casey D.; Cooper P.S.; Dauwe L.J.; Davidenko G.V.; Dersch U.; Dolgolenko A.G.; Dzyubenko G.B.; Edelstein R.; Emediato L.; Endler A.M.F.; Engelfried J.; Eschrich I.; Escobar C.O.; Evdokimov A.V.; Ferbel T.; Filimonov I.S.; Garcia F.G.; Gaspero M.; Giller I.; Golovtsov V.L.; Gouffon P.; Gulmez E.; Hammer C.; He K.; Iori M.; Jun S.Y.; Kaya M.; Kilmer J.; Kim V.T.; Kochenda L.M.; Konorov I.; Kozhevnikov A.P.; Krivshich A.G.; Kmger H.; Kubantsev M.A.; Kubarovsky V.P.; Kulyavtsev A.I.; Kuropatkin N.P.; Kurshetsov V.F.; Kushnirenko A.; Kwan S.; Lach J.; Lamberto A.; Landsberg L.G.; Larin I.; Leikin E.M.; Li Y.; Luksys M.; Lungov T.; Maleev V.P.; Mao D.; Mao C.; Mao Z.; Mathew P.; Mattson M.; Matveev V.; McCliment E.; Moinester M.A.; Morelos A.; Mukhin V.A.; Nelson K.D.; Nemitkin A.V.; Neoustroev P.V.; Newsom C.; Nilov A.P.; Nurushev S.B.; Ocherashvili A.; Onel Y.; Ozel E.; Ozkorucuklu S.; Penzo A.; Petrenko S.V.; Pogodin P.; Procario M.; Prutskoi V.A.; Ramberg E.; Rappazzo G.F.; Razmyslovich B.V.; Rud V.I.; Russ J.; Schiavon P.; Simon J.; Sitnikov A.I.; Skow D.; Slattery P.; Smith V.J.; Srivastava M.; Steiner V.; Stepanov V.; Stutte L.; Svoiski M.; Terentyev N.K.; Thomas G.P.; Uvarov L.N.; Vasiliev A.N.; Vavilov D.V.; Verebryusov V.S.; Victorov V.A.; Vishnyakov V.E.; Vorobyov A.A.; Vorwalter K.; You J.; Zhao W.; Zheng S.; Zhu Z.H.; Zielinski M.; Zukanovich-Funchal R.

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Type:	Artigo de periódico
Title:	Upper Limit On The Decay Σ(1385)-→Σ -γ And Cross Section For γΣ -→Λπ-
Author:	Molchanov V.V. Alkhazov G. Atamantchouk A.G. Balatz M.Y. Bondar N.F. Casey D. Cooper P.S. Dauwe L.J. Davidenko G.V. Dersch U. Dolgolenko A.G. Dzyubenko G.B. Edelstein R. Emediato L. Endler A.M.F. Engelfried J. Eschrich I. Escobar C.O. Evdokimov A.V. Ferbel T. Filimonov I.S. Garcia F.G. Gaspero M. Giller I. Golovtsov V.L. Gouffon P. Gulmez E. Hammer C. He K. Iori M. Jun S.Y. Kaya M. Kilmer J. Kim V.T. Kochenda L.M. Konorov I. Kozhevnikov A.P. Krivshich A.G. Kmger H. Kubantsev M.A. Kubarovsky V.P. Kulyavtsev A.I. Kuropatkin N.P. Kurshetsov V.F. Kushnirenko A. Kwan S. Lach J. Lamberto A. Landsberg L.G. Larin I. Leikin E.M. Li Y. Luksys M. Lungov T. Maleev V.P. Mao D. Mao C. Mao Z. Mathew P. Mattson M. Matveev V. McCliment E. Moinester M.A. Morelos A. Mukhin V.A. Nelson K.D. Nemitkin A.V. Neoustroev P.V. Newsom C. Nilov A.P. Nurushev S.B. Ocherashvili A. Onel Y. Ozel E. Ozkorucuklu S. Penzo A. Petrenko S.V. Pogodin P. Procario M. Prutskoi V.A. Ramberg E. Rappazzo G.F. Razmyslovich B.V. Rud V.I. Russ J. Schiavon P. Simon J. Sitnikov A.I. Skow D. Slattery P. Smith V.J. Srivastava M. Steiner V. Stepanov V. Stutte L. Svoiski M. Terentyev N.K. Thomas G.P. Uvarov L.N. Vasiliev A.N. Vavilov D.V. Verebryusov V.S. Victorov V.A. Vishnyakov V.E. Vorobyov A.A. Vorwalter K. You J. Zhao W. Zheng S. Zhu Z.H. Zielinski M. Zukanovich-Funchal R.
Abstract:	Coherent Λπ- production on Pb of 600 GeV Σ- hyperons has been studied with the SELEX facility at Fermilab. Using the Primakoff formalism, we set a 90% CL upper limit on the radiative decay width Γ[Σ(1385)-→Σ -γ]<9.5 keV, and estimate the cross section for γΣ-→Λπ- at s≈1.385 GeV to be 56±16 μb. Crown Copyright © 2004 Published by Elsevier B.V. All rights reserved.
Citation:	Physics Letters, Section B: Nuclear, Elementary Particle And High-energy Physics. , v. 590, n. 3-4, p. 161 - 169, 2004.
Rights:	aberto
Identifier DOI:	10.1016/j.physletb.2004.04.006
Address:	http://www.scopus.com/inward/record.url?eid=2-s2.0-2542444369&partnerID=40&md5=7090b62012a17be54504769245093e2b
Date Issue:	2004
Appears in Collections:	Unicamp - Artigos e Outros Documentos

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