publication . Article . Preprint . Other literature type . 2013

Study of Σ(1385) and Ξ(1321) hyperon and antihyperon production in deep inelastic muon scattering

S. Goertz; A. Lehmann; M. Virius; Bernhard Franz Ketzer; Fabrice Gautheron; Laura Silva; E. Rondio; V. Rodionov; F. Tessarotto; R. Birsa; ...
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Open Access English
  • Published: 01 Jan 2013
  • Country: Germany
Abstract
Large samples of \Lambda, \Sigma(1385) and \Xi(1321) hyperons produced in deep-inelastic muon scattering off a ^6LiD target were collected with the COMPASS experimental setup at CERN. The relative yields of \Sigma(1385)^+, \Sigma(1385)^-, \bar{\Sigma}(1385)^-, \bar{\Sigma}(1385)^+, \Xi(1321)^-, and \bar{\Xi}(1321)^+ hyperons decaying into \Lambda(\bar{\Lambda})\pi were measured. The heavy hyperon to \Lambda and heavy antihyperon to \bar{\Lambda} yield ratios were found to be in the range 3.8% to 5.6% with a relative uncertainty of about 10%. They were used to tune the parameters relevant for strange particle production of the LEPTO Monte Carlo generator.
doi: 10.1140/epjc/s10052-013-2581-9
handle: 10400.26/26408
Subjects
arXiv: High Energy Physics::ExperimentHigh Energy Physics::Phenomenology
free text keywords: High Energy Physics - Experiment, Nuclear Experiment, Particle Physics - Experiment, Physics and Astronomy (miscellaneous), Engineering (miscellaneous), Particle physics, Scattering, Lambda, Hyperon, Muon, Strange quark, Elasticity (economics), Physics, Monte Carlo method, Yield ratio, Nuclear physics
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Funded by
FCT| CERN/FP/116376/2010
Project
CERN/FP/116376/2010
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 116376
  • Funding stream: 5876-PPCDTI
, FCT| CERN/FP/123600/2011
Project
CERN/FP/123600/2011
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 123600
  • Funding stream: COMPETE
, EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
, FCT| CERN/FP/109323/2009
Project
CERN/FP/109323/2009
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 109323
  • Funding stream: 5876-PPCDTI
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