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Physics with high-luminosity proton-nucleus collisions at the LHC / d'Enterria, D. (CERN) ; Flett, C.A. (IJCLab, Orsay) ; Grabowska-Bold, I. (AGH-UST, Cracow) ; Hadjidakis, C. (IJCLab, Orsay) ; Kotko, P. (AGH-UST, Cracow) ; Kusina, A. (Cracow, INP) ; Lansberg, J.P. (IJCLab, Orsay) ; McNulty, R. (University Coll., Dublin) ; Rinaldi, M. (Perugia U. ; INFN, Perugia) ; Bonechi, L. (INFN, Florence) et al.
The physics case for the operation of high-luminosity proton-nucleus ($pA$) collisions during Run 3 and 4 at the LHC is reviewed. The collection of $\mathcal{O}$(1-10 pb$^{-1}$) of proton-lead ($p$Pb) collisions at the LHC will provide unique physics opportunities in a broad range of topics including proton and nuclear parton distribution functions (PDFs and nPDFs), generalised parton distributions (GPDs), transverse momentum dependent PDFs (TMDs), low-$x$ QCD and parton saturation, hadron spectroscopy, baseline studies for quark-gluon plasma and parton collectivity, double and triple parton scatterings (DPS/TPS), photon-photon collisions, and physics beyond the Standard Model (BSM); which are not otherwise as clearly accessible by exploiting data from any other colliding system at the LHC. [...]
arXiv:2504.04268.- 2025-09-22 - 26 p. - Published in : J. Phys. G 52 (2025) 090501 Fulltext: 2504.04268 - PDF; document - PDF;

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Perspectives for quarkonium studies at the high-luminosity LHC / Chapon, Emilien (Beijing, Inst. High Energy Phys.) ; d'Enterria, David (CERN) ; Ducloue, Bertrand (Edinburgh U. ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Echevarria, Miguel G. (Alcala de Henares U.) ; Gossiaux, Pol-Bernard (SUBATECH, Nantes) ; Kartvelishvili, Vato (Lancaster U.) ; Kasemets, Tomas (U. Mainz, PRISMA) ; Lansberg, Jean-Philippe (IJCLab, Orsay) ; McNulty, Ronan (University Coll., Dublin) ; Price, Darren D. (Manchester U.) et al.
We review the prospects for quarkonium-production studies in proton and nuclear collisions accessible during the upcoming phases of the CERN Large Hadron Collider operation after 2021, including the ultimate high-luminosity phase, with increased luminosities compared to LHC Runs 1 and 2. We address the current experimental and theoretical open issues in the field and the perspectives for future studies in quarkonium-related physics through the exploitation of the huge data samples to be collected in proton-proton, with integrated luminosities reaching up to 3/ab, in proton-nucleus and in nucleus-nucleus collisions, both in the collider and fixed-target modes. [...]
arXiv:2012.14161; MIT-CTP/5231; JLAB-THY-20-3240.- 2022-01 - 115 p. - Published in : Prog. Part. Nucl. Phys. 122 (2022) 103906 Fulltext: PDF; External link: JLab Document Server

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Very low $x$ gluon density determined by LHCb exclusive $J/\psi$ data / Flett, C.A. (Liverpool U., Dept. Math.) ; Martin, A.D. (Durham U., IPPP ; St. Petersburg, INP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
The low $x$ behaviour of the gluon density $xg(x,\mu^2)$ at scale $\mu^2=2.4$ GeV$^2$ is determined using exclusive $J/\psi$ production data from HERA and LHCb within the framework of collinear factorisation at next-to-leading order (NLO). It is shown that in the interval $3\times 10^{-6} < x <10^{-3}$ the gluon distribution function grows as $xg(x,\mu^2)\propto x^{-\lambda}$ with $\lambda=0.135\pm 0.006 $. [...]
arXiv:2006.13857; IPPP/20/23; LTH 1237.- 2020-12-11 - 18 p. - Published in : Phys. Rev. D 102 (2020) 114021 Article from SCOAP3: PDF; Fulltext: PDF;

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Exclusive production of heavy quarkonia as a probe of the low x and low scale gluon PDF / Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We discuss the exclusive $J/\psi$ photoproduction process, as measured recently at LHCb, as a means of constraining and ultimately determining the low $x$ and low $Q$ gluon PDF. [...]
arXiv:1912.09128 ; CERN-TH-2019-223 ; IPPP/19/96 ; LTH 1221. - 5 p.
Fulltext

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How to include exclusive $J/\psi$ production data in global PDF analyses / Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We compare the cross section for exclusive $J/\psi$ photoproduction calculated at NLO in the collinear factorization approach with HERA and LHCb data. Using the optimum scale formalism together with the subtraction of the low $k_t<Q_0$ contribution from the NLO coefficient function to avoid double counting we show that the existing global parton distribution functions (PDFs) are consistent with the data within their uncertainties. [...]
arXiv:1908.08398; CERN-TH-2019-137; IPPP/19/65; LTH 1213.- 2020-05-14 - 9 p. - Published in : Phys. Rev. D 101 (2020) 094011 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;

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Towards a determination of the low $x$ gluon via exclusive $J/\psi$ production / Flett, C.A. (Liverpool U., Dept. Math.) ; Jones, S.P. (CERN) ; Martin, A.D. (Durham U., IPPP) ; Ryskin, M.G. (Durham U., IPPP ; St. Petersburg, INP) ; Teubner, T. (Liverpool U., Dept. Math.)
We discuss how the stability of the theoretical prediction for exclusive $J/\psi$ photoproduction has been improved through a systematic taming of the known $\overline{\text{MS}}$ coefficient functions by accounting for a formally power suppressed, but numerically significant, correction encoded within a $Q_0$ cut. The phenomenological implications of this will be emphasised meaning, ultimately, the possibility to include the exclusive data into a global fitter framework to provide constraints on the small $x$ gluon..
arXiv:1907.06471; CERN-TH-2019-107; IPPP/19/53; LTH 1209.- SISSA, 2019-07-03 - 6 p. - Published in : PoS DIS2019 (2019) 053 Fulltext: PoS(DIS2019)053 - PDF; 1907.06471 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.053

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Voir aussi: noms d'auteurs similaires
2	Flett, C. A.
1	Flett, Chris
1	Flett, Chris A.

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