Polarization Of Σ+ Hyperons Produced By 800 Gev/c Protons On Cu And Be

Pogodin P.; Alkhazov G.; Atamantchouk A.G.; Balatz M.Y.; Bondar N.F.; 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.; Filimonov I.S.; Garcia F.G.; Gaspero M.; Giller I.; Golovtsov V.L.; Gouffon P.; Gulmez E.; Kangling H.; Iori M.; Jun S.Y.; Kaya M.; Kilmer J.; Kim V.T.; Kochenda L.M.; Konorov I.; Kozhevnikov A.P.; Krivshich A.G.; Kruger 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.; Yushan L.; Luksys M.; Lungov T.; Maleev V.P.; Chensheng M.; Mao D.; Zhenlin M.; Mathew P.; Mattson M.; Matveev V.; McCliment E.; Moinester M.A.; Molchanov V.V.; Morelos A.; Nelson K.D.; Nemitkin A.V.; Neoustroev P.V.; Newsom C.; Nilov A.P.; Nurushev S.B.; Ocherashvili A.; de Oliveira E.; Onel Y.; Ozel E.; Ozkurucuklu S.; Penzo A.; Petrenko S.V.; 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.; 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.; Wenheng Z.; Shuchen Z.; Zukanovich-Funchal R.

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Type:	Artigo de periódico
Title:	Polarization Of Σ+ Hyperons Produced By 800 Gev/c Protons On Cu And Be
Author:	Pogodin P. Alkhazov G. Atamantchouk A.G. Balatz M.Y. Bondar N.F. 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. Filimonov I.S. Garcia F.G. Gaspero M. Giller I. Golovtsov V.L. Gouffon P. Gulmez E. Kangling H. Iori M. Jun S.Y. Kaya M. Kilmer J. Kim V.T. Kochenda L.M. Konorov I. Kozhevnikov A.P. Krivshich A.G. Kruger 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. Yushan L. Luksys M. Lungov T. Maleev V.P. Chensheng M. Mao D. Zhenlin M. Mathew P. Mattson M. Matveev V. McCliment E. Moinester M.A. Molchanov V.V. Morelos A. Nelson K.D. Nemitkin A.V. Neoustroev P.V. Newsom C. Nilov A.P. Nurushev S.B. Ocherashvili A. de Oliveira E. Onel Y. Ozel E. Ozkurucuklu S. Penzo A. Petrenko S.V. 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. 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. Wenheng Z. Shuchen Z. Zukanovich-Funchal R.
Abstract:	We show that Σ+ hyperons produced by 800 GeV/c protons on targets of Be and Cu have significant polarizations (15-20%). These polarizations persist at values of pt = 2 GeV/c and a wide range of xF. The polarizations from the Cu target are consistently less than from Be. The average ratio of the Σ+ polarization from Cu to that from Be is 0.68 ± 0.08.
Citation:	Physical Review D - Particles, Fields, Gravitation And Cosmology. , v. 70, n. 11, p. 112005 - 1-112005-6, 2004.
Rights:	aberto
Identifier DOI:	10.1103/PhysRevD.70.112005
Address:	http://www.scopus.com/inward/record.url?eid=2-s2.0-13544255655&partnerID=40&md5=5db4401fb8b5e40a0c057d816cc48df6
Date Issue:	2004
Appears in Collections:	Unicamp - Artigos e Outros Documentos

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