Polarization of Σ+ hyperons produced by 800 GeV/c protons on Cu and Be

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

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.

Original languageEnglish
Article number112005
Pages (from-to)112005-1-112005-6
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number11
DOIs
StatePublished - Dec 2004

Funding

FundersFunder number
Fondo de Apoyo a la Investigación
Russian Ministry of Science and Technology
Turkish Scientific and Technological Research Board
TÜBÌTAK
National Science Foundation9602178
U.S. Department of EnergyDE-FG02-91ER40664, DE-Aco2-76CHO3000
North Atlantic Treaty OrganizationCR6.941058-1360/94
International Foundation for Science
United States-Israel Binational Science Foundation
Fundação de Amparo à Pesquisa do Estado de São Paulo
Bundesministerium für Bildung und Forschung
Russian Academy of Sciences
Consejo Nacional de Ciencia y Tecnología
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Israel Academy of Sciences and Humanities
Israel Science Foundation
Instituto Nazionale di Fisica Nucleare
Universidad Autónoma de San Luis Potosí

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