Home > Publications database > Nuclear modification factor of light neutral-meson spectra up to high transverse momentum in p-Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV > print

001     250990
005     20250630143456.0
024 7 _ |a 10.17182/HEPDATA.128138
|2 doi
037 _ _ |a GSI-2023-00191
041 _ _ |a English
100 1 _ |a ALICE Collaboration
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245 _ _ |a Nuclear modification factor of light neutral-meson spectra up to high transverse momentum in p-Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV
260 _ _ |c 2022
336 7 _ |a MISC
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500 _ _ |a Journal Article GSI record: GSI-2023-00137
520 _ _ |a CERN-LHC. Neutral pion (π$^0$) and η meson production cross sections were measured up to unprecedentedly high transverse momenta (p$_T$) in p–Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16TeV. The mesons were reconstructed via their two-photon decay channel in the rapidity interval −1.3 < y < 0.3 in the ranges of 0.4 < p$_T$ < 200 GeV/c and 1.0 < p$_T$ < 50 GeV/c, respectively. The respective nuclear modification factor (R$_{pPb}$) is presented for p$_T$ up to of 200 and 30 GeV/c, where the former was achieved by extending the π$^0$ measurement in pp collisions at $\sqrt{s}$ = 8TeV using the merged cluster technique. The values of R$_{pPb}$ are below unity for p$_T$ < 10 GeV/c, while they are consistent with unity for p$_T$ > 10 GeV/c, leaving essentially no room for final state energy loss. The new data provide strong constraints for nuclear parton distribution and fragmentation functions over a broad kinematic range and are compared to model predictions as well as previous results at $\sqrt{s_{\rm NN}}$ = 5.02TeV.
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773 _ _ |a 10.17182/HEPDATA.128138
787 0 _ |a Acharya, Shreyasi et.al.
|d Amsterdam : North-Holland Publ., 2022
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|0 GSI-2023-00137
|r arXiv:2104.03116 ; CERN-EP-2021-053
|t Nuclear modification factor of light neutral-meson spectra up to high transverse momentum in p–Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16 TeV
909 C O |o oai:repository.gsi.de:250990
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913 1 _ |a DE-HGF
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914 1 _ |y 2022
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