Light vector meson production in pp collisions at √s=7 TeV*
The ALICE experiment has measured low-mass dimuon production in pp collisions at s=7 TeV in the dimuon rapidity region 2.5<y<4. The observed dimuon mass spectrum is described as a superposition of resonance decays (η,ρ,ω,η′,ϕ) into muons and semi-leptonic decays of charmed mesons. The measured...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
19 March 2012
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| In: |
Physics letters
Year: 2012, Jahrgang: 710, Heft: 4, Pages: 557-568 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2012.03.038 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1016/j.physletb.2012.03.038 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269312003127 
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| Verfasserangaben: | ALICE Collaboration |
MARC
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| 245 | 1 | 0 | |a Light vector meson production in pp collisions at √s=7 TeV* |c ALICE Collaboration |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Light vector meson production in pp collisions at square root s = 7 TeV |
| 264 | 1 | |c 19 March 2012 | |
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| 500 | |a ALICE Collaboration: B. Abelev, O. Busch, H. Engel, P. Glässel, R. Grajcarek, N. Herrmann, T. Krawutschke, M.J. Kweon, C. Lara, D. Lohner, J. Mercado Pérez, K. Oyama, Y. Pachmayer, K. Reygers, R. Schicker, K. Schweda, J. Stachel, J. Ulrich, S. Vallero, J. Wiechula, B. Windelband, P. Zelnicek, A. Zimmermann [und weitere] | ||
| 500 | |a Gesehen am 30.11.2018 | ||
| 520 | |a The ALICE experiment has measured low-mass dimuon production in pp collisions at s=7 TeV in the dimuon rapidity region 2.5<y<4. The observed dimuon mass spectrum is described as a superposition of resonance decays (η,ρ,ω,η′,ϕ) into muons and semi-leptonic decays of charmed mesons. The measured production cross sections for ω and ϕ are σω(1<pt<5 GeV/c,2.5<y<4)=5.28±0.54(stat)±0.49(syst) mb and σϕ(1<pt<5 GeV/c,2.5<y<4)=0.940±0.084(stat)±0.076(syst) mb. The differential cross sections d2σ/dydpt are extracted as a function of pt for ω and ϕ. The ratio between the ρ and ω cross section is obtained. Results for the ϕ are compared with other measurements at the same energy and with predictions by models. | ||
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