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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/67968
Title: 
Polarization of Σ+ hyperons produced by 800 GeV/c protons on Cu and Be
Author(s): 
Institution: 
  • Ball State University
  • Bogazici Univerity
  • Carnegie-Mellon University
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Fermi National Acceleratory Laboratory
  • Institute for High Energy Physics
  • Institute of Theoretical and Experimental Physics
  • Max-Planck-Institut für Kernphysik 69117
  • Moscow State University
  • Petersburg Nuclear Physics Institute
  • Tel Aviv University
  • Universidad Autónoma de San Luis Potosí
  • Universidade Ferderal da Paraíba
  • University of Bristol
  • University of Iowa
  • University of Michigan
  • INFN
  • Universidade de São Paulo (USP)
  • Oracle Corporation
  • Infinion
  • Imperial College
  • Universidade Estadual de Campinas (UNICAMP)
  • Technische Universität München
  • The Boston Consulting Group
  • Universidade Estadual Paulista (UNESP)
  • Lucent Technologies
  • SPSS Inc
  • DOE
  • Siemens Medizintechnik
  • Deutsche Bank AG
ISSN: 
  • 1550-7998
  • 1550-2368
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.
Issue Date: 
1-Dec-2004
Citation: 
Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 70, n. 11, 2004.
Keywords: 
  • beryllium
  • copper
  • dipole
  • magnet
  • magnetic field
  • neutron
  • polarization
  • proton radiation
Source: 
http://dx.doi.org/10.1103/PhysRevD.70.112005
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/67968
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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