Energy dependence of exclusive $$\mathrm {J}/\psi $$ photoproduction off protons in ultra-peripheral p–Pb collisions at $$\sqrt{s_{\mathrm {\scriptscriptstyle NN}}} = 5.02$$ TeV
S. AcharyaCERN, 1211 Geneva 23, SwitzerlandFernando Torales AcostaCERN, 1211 Geneva 23, SwitzerlandJ. AdamCERN, 1211 Geneva 23, SwitzerlandD. AdamováNuclear Physics Institute of the Czech Academy of Sciences, Řežu Prahy, Czech RepublicAlexander AdlerCERN, 1211 Geneva 23, SwitzerlandJonatan AdolfssonCERN, 1211 Geneva 23, SwitzerlandM. M. AggarwalCERN, 1211 Geneva 23, SwitzerlandG. Aglieri RinellaCERN, 1211 Geneva 23, SwitzerlandM. AgnelloCERN, 1211 Geneva 23, SwitzerlandN. AgrawalCERN, 1211 Geneva 23, SwitzerlandZ. AhammedCERN, 1211 Geneva 23, SwitzerlandS. U. AhnCERN, 1211 Geneva 23, SwitzerlandS. AiolaCERN, 1211 Geneva 23, SwitzerlandA. AkindinovCERN, 1211 Geneva 23, SwitzerlandM. Al-TuranyCERN, 1211 Geneva 23, SwitzerlandS. N. AlamCERN, 1211 Geneva 23, SwitzerlandD. S. D. AlbuquerqueCERN, 1211 Geneva 23, SwitzerlandD. AleksandrovCERN, 1211 Geneva 23, SwitzerlandB. AlessandroCERN, 1211 Geneva 23, SwitzerlandH. M. AlfandaCERN, 1211 Geneva 23, SwitzerlandR. Alfaro MolinaCERN, 1211 Geneva 23, SwitzerlandY. AliCERN, 1211 Geneva 23, SwitzerlandA. AliciCERN, 1211 Geneva 23, SwitzerlandA. AlkinCERN, 1211 Geneva 23, SwitzerlandJ. AlmeCERN, 1211 Geneva 23, SwitzerlandT. AltCERN, 1211 Geneva 23, SwitzerlandL. AltenkamperCERN, 1211 Geneva 23, SwitzerlandI. AltsybeevCERN, 1211 Geneva 23, SwitzerlandM. N. AnaamCERN, 1211 Geneva 23, SwitzerlandC. AndreiCERN, 1211 Geneva 23, SwitzerlandD. AndreouCERN, 1211 Geneva 23, SwitzerlandH. A. AndrewsCERN, 1211 Geneva 23, SwitzerlandA. AndronicCERN, 1211 Geneva 23, SwitzerlandM. AngelettiCERN, 1211 Geneva 23, SwitzerlandV. AnguelovCERN, 1211 Geneva 23, SwitzerlandC. AnsonCERN, 1211 Geneva 23, SwitzerlandT. AntičićRudjer Bošković Institute, Zagreb, CroatiaF. AntinoriCERN, 1211 Geneva 23, SwitzerlandP. AntonioliCERN, 1211 Geneva 23, SwitzerlandR. AnwarCERN, 1211 Geneva 23, SwitzerlandN. ApadulaCERN, 1211 Geneva 23, SwitzerlandL. AphecetcheCERN, 1211 Geneva 23, SwitzerlandH. AppelshäuserInstitut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, GermanyS. ArcelliCERN, 1211 Geneva 23, SwitzerlandR. ArnaldiCERN, 1211 Geneva 23, SwitzerlandM. ArratiaCERN, 1211 Geneva 23, SwitzerlandI. C. ArseneCERN, 1211 Geneva 23, SwitzerlandM. ArslandokCERN, 1211 Geneva 23, SwitzerlandA. AugustinusCERN, 1211 Geneva 23, SwitzerlandR. AverbeckCERN, 1211 Geneva 23, SwitzerlandM. D. AzmiDepartment of Physics, Aligarh Muslim University, Aligarh, IndiaA. BadalàINFN, Sezione di Catania, Catania, ItalyY. W. BaekCERN, 1211 Geneva 23, SwitzerlandS. BagnascoCERN, 1211 Geneva 23, SwitzerlandR. BailhacheCERN, 1211 Geneva 23, SwitzerlandR. BalaCERN, 1211 Geneva 23, SwitzerlandA. BaldisseriCERN, 1211 Geneva 23, SwitzerlandM. BallCERN, 1211 Geneva 23, SwitzerlandR. C. BaralCERN, 1211 Geneva 23, SwitzerlandA. M. BarbanoCERN, 1211 Geneva 23, SwitzerlandR. BarberaCERN, 1211 Geneva 23, SwitzerlandF. BarileCERN, 1211 Geneva 23, SwitzerlandL. BarioglioCERN, 1211 Geneva 23, SwitzerlandG. G. BarnaföldiWigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, HungaryL. S. BarnbyCERN, 1211 Geneva 23, SwitzerlandV. BarretCERN, 1211 Geneva 23, SwitzerlandP. BartaliniCERN, 1211 Geneva 23, SwitzerlandK. BarthCERN, 1211 Geneva 23, SwitzerlandE. BartschCERN, 1211 Geneva 23, SwitzerlandN. BastidCERN, 1211 Geneva 23, SwitzerlandS. BasuCERN, 1211 Geneva 23, SwitzerlandG. BatigneCERN, 1211 Geneva 23, SwitzerlandB. BatyunyaCERN, 1211 Geneva 23, SwitzerlandPaul Christoph BatzingCERN, 1211 Geneva 23, SwitzerlandJ. L. Bazo AlbaCERN, 1211 Geneva 23, SwitzerlandI. G. BeardenCERN, 1211 Geneva 23, SwitzerlandKenneth M. BeckCERN, 1211 Geneva 23, SwitzerlandC. BeddaCERN, 1211 Geneva 23, SwitzerlandN. K. BeheraCERN, 1211 Geneva 23, SwitzerlandI. BelikovCERN, 1211 Geneva 23, SwitzerlandF. BelliniCERN, 1211 Geneva 23, SwitzerlandH. Martı́nezCERN, 1211 Geneva 23, SwitzerlandR. BellwiedCERN, 1211 Geneva 23, SwitzerlandL. G. E. BeltranCERN, 1211 Geneva 23, SwitzerlandV. BelyaevCERN, 1211 Geneva 23, SwitzerlandG. BencediCERN, 1211 Geneva 23, SwitzerlandS. BeolèCERN, 1211 Geneva 23, SwitzerlandA. BercuciCERN, 1211 Geneva 23, SwitzerlandY. BerdnikovCERN, 1211 Geneva 23, SwitzerlandD. BerényiCERN, 1211 Geneva 23, SwitzerlandR. A. BertensCERN, 1211 Geneva 23, SwitzerlandD. BerzanoCERN, 1211 Geneva 23, SwitzerlandL. BetevCERN, 1211 Geneva 23, SwitzerlandP. P. BhaduriCERN, 1211 Geneva 23, SwitzerlandA. BhasinCERN, 1211 Geneva 23, SwitzerlandI. R. BhatCERN, 1211 Geneva 23, SwitzerlandH. BhattCERN, 1211 Geneva 23, SwitzerlandB. BhattacharjeeCERN, 1211 Geneva 23, SwitzerlandJ. BhomCERN, 1211 Geneva 23, SwitzerlandA. BianchiCERN, 1211 Geneva 23, Switzerland
2019en
ABI
Аннотация
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of J/ vector mesons off proton targets in ultra-peripheral p-Pb collisions at a centre-of-mass energy per nucleon pair s NN = 5.02 TeV. The e + e -and + -decay channels are used to measure the cross section as a function of the rapidity of the J/ in the range -2.5 < y < 2.7, corresponding to an energy in the p centre-of-mass in the interval 40 < W p < 550 GeV. The measurements, which are consistent with a power law dependence of the exclusive J/ photoproduction cross section, are compared to previous results from HERA and the LHC and to several theoretical models. They are found to be compatible with previous measurements.
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