Prompt K-S(0) production in pp collisions at root s=0.9 TeV

R. Aaij, C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, M. Agari, Z. Ajaltouni, J. Albrecht, F. Alessio, M. Alexander, M. Alfonsi, P. Alvarez Cartelle, A. A. Alves, S. Amato, Y. Amhis, J. Amoraal, R. Antunes Nobrega, R. Appleby, O. Aquines GutierrezA. Arefyev, L. Arrabito, M. Artuso, E. Aslanides, G. Auriemma, S. Bachmann, Y. Bagaturia, D. S. Bailey, V. Balagura, W. Baldini, G. Barber, C. Barham, R. J. Barlow, S. Barsuk, S. Basiladze, A. Bates, C. Bauer, Th. Bauer, I. Bediaga, T. Bellunato, K. Belous, I. Belyaev, M. Benayoun, G. Bencivenni, R. Bernet, R. P. Bernhard, M. -O Bettler, M. van Beuzekom, J. H. Bibby, A. Pellegrino, LHCb Collaboration

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Abstract

The production of K-S(0) mesons in pp collisions at a centre-of-mass energy of 0.9 TeV is studied with the LHCb detector at the Large Hadron Collider. The luminosity of the analysed sample is determined using a novel technique, involving measurements of the beam currents, sizes and positions, and is found to be 6.8 +/- 1.0 mu b(-1). The differential prompt K-S(0) production cross-section is measured as a function of the K-S(0) transverse momentum and rapidity in the region 0 <p(T) <1.6 GeV/c and 2.5 <y <4.0. The data are found to be in reasonable agreement with previous measurements and generator expectations. (C) 2010 Published by Elsevier B.V.

Original languageEnglish
Pages (from-to)69-80
Number of pages12
JournalPhysics Letters B
Volume693
Issue number2
DOIs
Publication statusPublished - 27-Sept-2010

Keywords

  • Strangeness
  • Production
  • Cross-section
  • Luminosity
  • LHC
  • LHCb
  • PBARP INTERACTIONS
  • KAON PRODUCTION

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