Study of ψ(2S) production and cold nuclear matter effects in pPb collisions at 
                        s
                          N
                          N
                    =
                    5
                $$ \sqrt{s_{N\;N}}=5 $$
               TeV

Aaij, R.; Beteta, C. Abellán; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Cartelle, P. Alvarez; Alves, A. A.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Andreassi, G.; Andreotti, M.; Andrews, J. E.; Appleby, R. B.; Gutierrez, O. Aquines; Archilli, F.; d’Argent, P.; Artamonov, A.; Artuso, M.; Aslanides, E.; Auriemma, G.; Baalouch, M.; Bachmann, S.; Back, J. J.; Badalov, A.; Baesso, C.; Baldini, W.; Barlow, R. J.; Barschel, C.; Barsuk, S.; Barter, W.; Batozskaya, V.; Battista, V.; Bay, A.; Beaucourt, L.; Beddow, J.; Bedeschi, F.; Bediaga, I.; Bel, L. J.; Bellée, V.; Belloli, N.; Belyaev, I.; Ben-Haim, E.; Bencivenni, G.; Benson, S.; Benton, J.; Berezhnoy, A.; Bernet, R.; Bertolin, A.; Betti, F.; Bettler, M. 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doi:10.1007/jhep03(2016)133

Cited by 26 publications

(33 citation statements)

References 31 publications

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“…It is interesting to notice that the results with the three nPDF show different uncertainties. In the forward region (low x 2 ), the result with EPS09NLO has the smallest uncertainty and tend to overshoot the LHCb data [66] (see Fig. 3a).…”

Section: Fitting the Lhc Pp Cross Sectionsmentioning

confidence: 93%

“…The very same fits are however consistent with the ATLAS data in the same P T regime, which possibly indicates an underestimation of the systematical experimental uncertainties in that regime. [66], ALICE [67] and ATLAS [68] our results and the measurements of LHCb [66], ALICE [69] and ATLAS [68] 4 Results 4.1 Rapidity and transverse-momentum dependence of the production cross-section in pPb collisions at √ s N N = 5.02 TeV Now that we have described our approach, we can present our results for the cross-section for quarkonium and D 0 production in proton-lead ( pPb) collisions at the LHC. In the following, we show comparisons with all the existing data.…”

Section: Fitting the Lhc Pp Cross Sectionsmentioning

confidence: 95%

“…3, we have compared the LHCb [66], ALICE [69] and ATLAS data [68] with the J/ψ cross-section differential in y. It is interesting to notice that the results with the three nPDF show different uncertainties.…”

Section: Fitting the Lhc Pp Cross Sectionsmentioning

confidence: 99%

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Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions

2016

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We propose a simple and model-independent procedure to account for the impact of the nuclear modification of the gluon density as encoded in nuclear collinear PDF sets on two-to-two partonic hard processes in protonnucleus collisions. This applies to a good approximation to quarkonium, D and B meson production, generically referred to H. Our procedure consists in parametrising the square of the parton scattering amplitude, A gg→HX and constraining it from the proton-proton data. Doing so, we have been able to compute the corresponding nuclear modification factors for J/ψ, ϒ and D 0 as a function of y and P T at √ s NN = 5 and 8 TeV in the kinematics of the various LHC experiments in a model independent way. It is of course justified since the most important ingredient in such evaluations is the probability of each kinematical configuration. Our computations for D mesons can also be extended to B meson production. To further illustrate the potentiality of the tool, we provide -for the first time -predictions for the nuclear modification factor for η c production in pPb collisions at the LHC.

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Section: Fitting the Lhc Pp Cross Sectionsmentioning

confidence: 93%

Section: Fitting the Lhc Pp Cross Sectionsmentioning

confidence: 95%

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Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions

2016

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“…Interestingly, the ψ(2S) is stronger suppressed than the J/ψ in p-A collisions at the LHC [43,44]. This behaviour lacks an explanation within the nuclear parton distribution framework and the coherent energy loss model.…”

Section: Run 1 Results and First Run Glimpsesmentioning

confidence: 93%

“…The LHCb detector took data for the first time in 2013 in p-Pb collisions and contributed already significantly to the measurement of non-deconfinement effects in nuclear collisions in the quarkonium sector [32,36,44]. The detector is fast, features a HLT with an input rate of 1 MHz in pp collisions and a large event rate storage capability of about 10 kHz.…”

Section: Lhcbmentioning

confidence: 99%

Prospects for Quarkonium Measurements in p–A and A–A Collisions at the LHC

Winn

2017

Few-Body Syst

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Centrality dependence of J/ψ and ψ(2S) production and nuclear modification in p-Pb collisions at $$ \sqrt{s_{\mathrm{NN}}} $$ = 8.16 TeV

Acharya

Adamová²,

Adler³

et al. 2021

J. High Energ. Phys.

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The inclusive production of the J/ψ and ψ(2S) charmonium states is studied as a function of centrality in p-Pb collisions at a centre-of-mass energy per nucleon pair $$ \sqrt{s_{\mathrm{NN}}} $$ s NN = 8.16 TeV at the LHC. The measurement is performed in the dimuon decay channel with the ALICE apparatus in the centre-of-mass rapidity intervals −4.46 < ycms< −2.96 (Pb-going direction) and 2.03 < ycms< 3.53 (p-going direction), down to zero transverse momentum (pT). The J/ψ and ψ(2S) production cross sections are evaluated as a function of the collision centrality, estimated through the energy deposited in the zero degree calorimeter located in the Pb-going direction. The pT-differential J/ψ production cross section is measured at backward and forward rapidity for several centrality classes, together with the corresponding average 〈pT〉 and $$ \left\langle {p}_{\mathrm{T}}^2\right\rangle $$ p T 2 values. The nuclear effects affecting the production of both charmonium states are studied using the nuclear modification factor. In the p-going direction, a suppression of the production of both charmonium states is observed, which seems to increase from peripheral to central collisions. In the Pb-going direction, however, the centrality dependence is different for the two states: the nuclear modification factor of the J/ψ increases from below unity in peripheral collisions to above unity in central collisions, while for the ψ(2S) it stays below or consistent with unity for all centralities with no significant centrality dependence. The results are compared with measurements in p-Pb collisions at $$ \sqrt{s_{\mathrm{NN}}} $$ s NN = 5.02 TeV and no significant dependence on the energy of the collision is observed. Finally, the results are compared with theoretical models implementing various nuclear matter effects.

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Study of ψ(2S) production and cold nuclear matter effects in pPb collisions at s N N = 5 $$ \sqrt{s_{N\;N}}=5 $$ TeV

Cited by 26 publications

References 31 publications

Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions

Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions

Prospects for Quarkonium Measurements in p–A and A–A Collisions at the LHC

Centrality dependence of J/ψ and ψ(2S) production and nuclear modification in p-Pb collisions at $$ \sqrt{s_{\mathrm{NN}}} $$ = 8.16 TeV

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