Published December 5, 2012
| Version v1
Journal article
Inclusive J/ψ production in pp collisions at √(s)=2.76 TeV
Creators
- 1. Lawrence Livermore National Laboratory, Livermore, CA (United States)
- 2. Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague (Czech Republic)
- 3. Nuclear Physics Institute, Academy of Sciences of the Czech Republic, Řež u Prahy (Czech Republic)
- 4. Yale University, New Haven, CT (United States)
- 5. Physics Department, Panjab University, Chandigarh (India)
- 6. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
- 7. KFKI Research Institute for Particle and Nuclear Physics, Hungarian Academy of Sciences, Budapest (Hungary)
- 8. Dipartimento di Fisica dell'Università and Sezione INFN, Bologna (Italy)
- 9. Instituto de Física, Universidad Nacional Autónoma de México, Mexico City (Mexico)
- 10. Variable Energy Cyclotron Centre, Kolkata (India)
- 11. Department of Physics Aligarh Muslim University, Aligarh (India)
- 12. Gangneung-Wonju National University, Gangneung (Korea, Republic of)
- 13. Laboratoire de Physique Corpusculaire (LPC), Clermont Université, Université Blaise Pascal, CNRS–IN2P3, Clermont-Ferrand (France)
- 14. Institute for Theoretical and Experimental Physics, Moscow (Russian Federation)
- 15. Russian Research Centre Kurchatov Institute, Moscow (Russian Federation)
- 16. Sezione INFN, Turin (Italy)
Description
The ALICE Collaboration has measured inclusive J/ψ production in pp collisions at a center-of-mass energy √(s)=2.76 TeV at the LHC. The results presented in this Letter refer to the rapidity ranges |y|<0.9 and 2.5<y<4 and have been obtained by measuring the electron and muon pair decay channels, respectively. The integrated luminosities for the two channels are Linte=1.1 nb-1 and Lintμ=19.9 nb-1, and the corresponding signal statistics are NJ/ψe+e-=59±14 and NJ/ψμ+μ-=1364±53. We present dσJ/ψ/dy for the two rapidity regions under study and, for the forward-y range, d2σJ/ψ/dydpt in the transverse momentum domain 0<pt<8 GeV/c. The results are compared with previously published results at √(s)=7 TeV and with theoretical calculations.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.physletb.2012.10.078Additional details
Identifiers
- DOI
- 10.1016/j.physletb.2012.10.078;
- arXiv
- arXiv:1203.3641v2;
- PII
- S0370-2693(12)01144-6;
Publishing Information
- Journal Title
- Physics Letters. Section B
- Journal Volume
- 718
- Journal Issue
- 2
- Journal Page Range
- p. 295-306
- ISSN
- 0370-2693
- CODEN
- PYLBAJ
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Syrian Arab Republic
- INIS RN
- 44081472
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- A CENTERS; ALICE; CERN LHC; DECAY; ELECTRONS; GEV RANGE 01-10; LUMINOSITY; MASS; MUON PAIRS; NIOBIUM IONS; PARTICLE RAPIDITY; PROTON-PROTON INTERACTIONS; TEV RANGE 01-10; TRANSVERSE MOMENTUM
- Descriptors DEC
- ACCELERATORS; BARYON-BARYON INTERACTIONS; CHARGED PARTICLES; COLOR CENTERS; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; CYCLIC ACCELERATORS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; HADRON-HADRON INTERACTIONS; INTERACTIONS; IONS; LEPTONS; LINEAR MOMENTUM; MAGNETIC MIRRORS; NUCLEON-NUCLEON INTERACTIONS; OPEN PLASMA DEVICES; OPTICAL PROPERTIES; PARTICLE INTERACTIONS; PARTICLE PROPERTIES; PHYSICAL PROPERTIES; POINT DEFECTS; PROTON-NUCLEON INTERACTIONS; STORAGE RINGS; SYNCHROTRONS; TEV RANGE; THERMONUCLEAR DEVICES; VACANCIES
Optional Information
- Copyright
- Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.