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000250990 037__ $$aGSI-2023-00191
000250990 041__ $$aEnglish
000250990 1001_ $$0P:(DE-HGF)0$$aALICE Collaboration$$b0$$eCorresponding author
000250990 245__ $$aNuclear modification factor of light neutral-meson spectra up to high transverse momentum in p-Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV
000250990 260__ $$c2022
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000250990 500__ $$aJournal Article GSI record: GSI-2023-00137
000250990 520__ $$aCERN-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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000250990 7870_ $$0GSI-2023-00137$$aAcharya, Shreyasi et.al.$$dAmsterdam : North-Holland Publ., 2022$$iRelatedTo$$rarXiv:2104.03116 ; CERN-EP-2021-053$$tNuclear modification factor of light neutral-meson spectra up to high transverse momentum in p–Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16 TeV
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