Measurement of D-meson production at mid-rapidity in pp collisions at √s=7 TeV
The production cross sections for prompt charmed mesons D0D0\mathrm{D^0}, D+D+\mathrm{D^+}, D∗+D∗+\mathrm{D^{*+}} and D+sDs+\mathrm{D_s^+} were measured at mid-rapidity in proton-proton collisions at a centre-of-mass energy s√=7 TeVs=7 TeV\sqrt{s}=7~{\mathrm {TeV}} with the ALICE detector at the Lar...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
17 August 2017
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| In: |
The European physical journal. C, Particles and fields
Year: 2017, Volume: 77, Issue: 8 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-017-5090-4 |
| Online Access: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1140/epjc/s10052-017-5090-4 Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjc/s10052-017-5090-4 
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| Author Notes: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of D-meson production at mid-rapidity in pp collisions at √s=7 TeV |c ALICE Collaboration* |
| 264 | 1 | |c 17 August 2017 | |
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| 500 | |a ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, S. Schuchmann, J. Stachel, D.F. Weiser, J. Wilkinson, B. Windelband, A. Zimmermann [und weitere] | ||
| 500 | |a Gesehen am 28.09.2018 | ||
| 520 | |a The production cross sections for prompt charmed mesons D0D0\mathrm{D^0}, D+D+\mathrm{D^+}, D∗+D∗+\mathrm{D^{*+}} and D+sDs+\mathrm{D_s^+} were measured at mid-rapidity in proton-proton collisions at a centre-of-mass energy s√=7 TeVs=7 TeV\sqrt{s}=7~{\mathrm {TeV}} with the ALICE detector at the Large Hadron Collider (LHC). D mesons were reconstructed from their decays D0→K−π+D0→K−π+\mathrm{D}^0 \rightarrow \mathrm{K}^-\pi ^+, D+→K−π+π+D+→K−π+π+\mathrm{D}^+\rightarrow \mathrm{K}^-\pi ^+\pi ^+, D∗+→D0π+D∗+→D0π+\mathrm{D}^{*+} \rightarrow \mathrm{D}^0 \pi ^+, D+s→ϕπ+→K−K+π+Ds+→ϕπ+→K−K+π+\mathrm{D_s^{+}\rightarrow \phi \pi ^+\rightarrow K^-K^+\pi ^+}, and their charge conjugates.With respect to previous measurements in the same rapidity region, the coverage in transverse momentum (pTpTp_\mathrm{T}) is extended and the uncertainties are reduced by a factor of about two. The accuracy on the estimated total cc¯¯cc¯\mathrm{c}{\overline{\mathrm{c}}} production cross section is likewise improved. The measured pTpTp_\mathrm{T}-differential cross sections are compared with the results of three perturbative QCD calculations. | ||
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