Nuclear modification factor of neutral pions in the forward and backward regions in p-Pb collisions
The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of 8.16 TeV with the LHCb detector. The π0 production cross section is measured differentially in transverse momentum (pT) for 1.5<pT<10.0 GeV and in center-o...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28 July 2023
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| In: |
Physical review letters
Year: 2023, Jahrgang: 131, Heft: 4, Pages: 1-12 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.131.042302 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevLett.131.042302 Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.131.042302 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration*) |
MARC
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| 245 | 1 | 0 | |a Nuclear modification factor of neutral pions in the forward and backward regions in p-Pb collisions |c R. Aaij et al. (LHCb Collaboration*) |
| 264 | 1 | |c 28 July 2023 | |
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| 500 | |a Veröffentlicht: 24. Juli 2023 | ||
| 500 | |a *LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, C. Witola, A. Zhelezov (und 991 weitere Personen) | ||
| 500 | |a Gesehen am 22.05.2024 | ||
| 520 | |a The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of 8.16 TeV with the LHCb detector. The π0 production cross section is measured differentially in transverse momentum (pT) for 1.5<pT<10.0 GeV and in center-of-mass pseudorapidity (ηc.m.) regions 2.5<ηc.m.<3.5 (forward) and −4.0<ηc.m.<−3.0 (backward) defined relative to the proton beam direction. The forward measurement shows a sizable suppression of π0 production, while the backward measurement shows the first evidence of π0 enhancement in proton-lead collisions at the LHC. Together, these measurements provide precise constraints on models of nuclear structure and particle production in high-energy nuclear collisions. | ||
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