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1.
Constraints for nuclear PDFs from the LHCb D-meson data / Eskola, Kari J. (Jyvaskyla U. ; Helsinki U.) ; Helenius, Ilkka (Jyvaskyla U. ; Helsinki U.) ; Paakkinen, Petja (Jyvaskyla U. ; Helsinki U.) ; Paukkunen, Hannu (Jyvaskyla U. ; Helsinki U.)
We quantify the impact of LHCb D-meson measurements at $\sqrt{s}=5 \, {\rm TeV}$ on the EPPS16 and nCTEQ15 nuclear PDFs. In our study, the theoretical description of D-meson production is based on the recently developed SACOT-$m_{\rm T}$ variant of the general-mass variable-flavour-number formalism, and the impact on PDFs is estimated via reweighting methods. [...]
arXiv:1906.03943.- SISSA, 2019-06-10 - 6 p. - Published in : PoS DIS2019 (2019) 026 Fulltext: PoS(DIS2019)026 - PDF; 1906.03943 - PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.026
2.
Temperature dependence of $\eta/s$ of strongly interacting matter: effects of the equation of state and the parametric form of $(\eta/s)(T)$ / Auvinen, Jussi (Belgrade, Inst. Phys.) ; Eskola, Kari J. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Huovinen, Pasi (Belgrade, Inst. Phys. ; Wroclaw U.) ; Niemi, Harri (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Paatelainen, Risto (CERN) ; Petreczky, Peter (Brookhaven)
We investigate the temperature dependence of the shear viscosity to entropy density ratio $\eta/s$ using a piecewise linear parametrization. To determine the optimal values of the parameters and the associated uncertainties, we perform a global Bayesian model-to-data comparison on Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV and Pb+Pb collisions at $2.76$ TeV and $5.02$ TeV, using a 2+1D hydrodynamical model with the EKRT initial state. [...]
arXiv:2006.12499; CERN-TH-2020-099.- 2020-10-22 - 17 p. - Published in : Phys. Rev. C 102 (2020) 044911 Fulltext: PDF; Fulltext from publisher: PDF;
3.
The Large Hadron-Electron Collider at the HL-LHC / FCC-he Study Group Collaboration
The Large Hadron electron Collider, LHeC, is the means to move deep inelastic physics following HERA to the energy frontier of particle physics as it is being exploited by the HL-LHC. The paper presents a thorough update of the initial LHeC Conceptual Design Report (CDR) published in 2012. [...]
arXiv:2007.14491; CERN-ACC-Note-2020-0002; JLAB-ACP-20-3180.- Geneva : CERN, 2021-12-20 - 364 p. - Published in : J. Phys. G 48 (2021) 110501 Fulltext: arXiv:2007.14491 - PDF; 2007.14491 - PDF; Fulltext from Publisher: PDF; Preprint: PDF; External link: JLab Document Server
4.
A QCD analysis of LHCb D-meson data in p+Pb collisions / Eskola, Kari J. (Helsinki U. ; Jyvaskyla U.) ; Helenius, Ilkka (Helsinki U. ; Jyvaskyla U.) ; Paakkinen, Petja (Helsinki U. ; Jyvaskyla U.) ; Paukkunen, Hannu (Helsinki U. ; Jyvaskyla U.)
We scrutinize the recent LHCb data for D$^0$-meson production in p+Pb collisions within a next-to-leading order QCD framework. Our calculations are performed in the SACOT-$m_{\rm T}$ variant of the general-mass variable-flavour-number scheme (GM-VFNS), which has previously been shown to provide a realistic description of the LHC p+p data. [...]
arXiv:1906.02512.- 2020-05-08 - 29 p. - Published in : JHEP 2005 (2020) 037 Article from SCOAP3: PDF; Fulltext: PDF;
5.
Temperature dependence of $\eta/s$: uncertainties from the equation of state / Auvinen, Jussi (Belgrade, Inst. Phys.) ; Eskola, Kari J. (Helsinki U. ; Helsinki Inst. of Phys.) ; Huovinen, Pasi (Wroclaw U.) ; Niemi, Harri (Helsinki U. ; Helsinki Inst. of Phys.) ; Paatelainen, Risto (CERN) ; Petreczky, Péter (Brookhaven)
We perform a global model-to-data comparison on Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV and Pb+Pb collisions at $2.76$ TeV and $5.02$ TeV, using a 2+1D hydrodynamics model with the EKRT initial state and a shear viscosity over entropy density ratio $(\eta/s)(T)$ with a linear $T$ dependence. To quantify the amount of uncertainty due to the choice of the equation of state (EoS), we compare analysis results based on four different EoSs: the well known $s95p$ parametrisation, an updated parametrisation based on the same list of particles in hadron resonance gas, but using recent lattice results for the partonic part of the EoS, and two new parametrisations based on the Particle Data Group 2016 particle list and the recent lattice results. [...]
arXiv:1811.01792.- SISSA, 2018-11-09 - 8 p. - Published in : PoS Confinement2018 (2018) 135 Fulltext: 1811.01792 - PDF; PoS(Confinement2018)135 - PDF;
In : 13th Quark Confinement and the Hadron Spectrum, Maynooth, Ireland, 31 Jul - 6 Aug 2018, pp.135
6.
Predictions for Cold Nuclear Matter Effects in $p+$Pb Collisions at $\sqrt{s_{_{NN}}} = 8.16$ TeV / Albacete, Javier L. (CAFPE, Granada ; Granada U., Theor. Phys. Astrophys.) ; Arleo, François (Ecole Polytechnique) ; Barnaföldi, Gergely G. (Wigner RCP, Budapest) ; Bíró, Gábor (Wigner RCP, Budapest ; Eotvos U.) ; d'Enterria, David (CERN) ; Ducloué, Bertrand (Jyvaskyla U.) ; Eskola, Kari J. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Ferreiro, Elena G. (Santiago de Compostela U., IGFAE) ; Gyulassy, Miklos (Wigner RCP, Budapest ; Columbia U. ; LBNL, NSD ; CCNU, Wuhan, Inst. Part. Phys.) ; Harangozó, Szilvester Miklós (Wigner RCP, Budapest ; Eotvos U.) et al.
Predictions for cold nuclear matter effects on charged hadrons, identified light hadrons, quarkonium and heavy flavor hadrons, Drell-Yan dileptons, jets, photons, gauge bosons and top quarks produced in $p+$Pb collisions at $\sqrt{s_{_{NN}}} = 8.16$ TeV are compiled and, where possible, compared to each other. Predictions of the normalized ratios of $p+$Pb to $p+p$ cross sections are also presented for most of the observables, providing new insights into the expected role of cold nuclear matter effects. [...]
arXiv:1707.09973.- 2018-04 - 68 p. - Published in : Nucl. Phys. A 972 (2018) 18-85 Fulltext: PDF;
7.
Predictions for $p+$Pb Collisions at $\sqrt{s_{NN}} = 5$ TeV: Comparison with Data / Albacete, Javier L. (Orsay, IPN) ; Arleo, François (Annecy, LAPTH ; Ecole Polytechnique) ; Barnaföldi, Gergely G. (Wigner RCP, Budapest) ; Barrette, Jean (Saclay) ; Deng, Wei-Tian (Frankfurt U., FIAS ; Shandong U.) ; Dumitru, Adrian (Baruch Coll.) ; Eskola, Kari J. (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Ferreiro, Elena G. (Santiago de Compostela U.) ; Fleuret, Frederic (Paris U., VI-VII) ; Fujii, Hirotsugu (KEK, Tsukuba) et al.
Predictions made in Albacete {\it et al} prior to the LHC $p+$Pb run at $\sqrt{s_{NN}} = 5$ TeV are compared to currently available data. Some predictions shown here have been updated by including the same experimental cuts as the data. [...]
arXiv:1605.09479.- 2016-09-20 - 53 p. - Published in : Int. J. Mod. Phys. E 25 (2016) 1630005 Fulltext: PDF; External link: Preprint
8.
Heavy ions at the Future Circular Collider / Dainese, A. (INFN, Padua) ; Wiedemann, U.A. (CERN) ; Armesto, N. (Santiago de Compostela U.) ; d'Enterria, D. (CERN) ; Jowett, J.M. (CERN) ; Lansberg, J.P. (Orsay, IPN) ; Milhano, J.G. (Lisbon, IST ; CERN) ; Salgado, C.A. (Santiago de Compostela U.) ; Schaumann, M. (CERN) ; van Leeuwen, M. (Utrecht U. ; NIKHEF, Amsterdam) et al.
The Future Circular Collider (FCC) Study is aimed at assessing the physics potential and the technical feasibility of a new collider with centre-of-mass energies, in the hadron-hadron collision mode, seven times larger than the nominal LHC energies. Operating such machine with heavy ions is an option that is being considered in the accelerator design studies. [...]
arXiv:1605.01389; CERN-TH-2016-107; CERN-TH-2016-107.- Geneva Geneva : CERN, CERN, 2017-06-22 - 58 p. - Published in : 10.23731/CYRM-2017-003.635 Fulltext: PDF; Published version from CERN: PDF; External link: Preprint
In : Physics at the FCC-hh, a 100 TeV $pp$ collider, pp.635-692
9.
LHC data challenges the contemporary parton-to-hadron fragmentation functions / d'Enterria, David (CERN) ; Eskola, Kari J (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Helenius, Ilkka (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Paukkunen, Hannu (Helsinki Inst. of Phys. ; Jyvaskyla U.)
We discuss the inclusive high-pT charged-particle production in proton-proton collisions at the LHC. The experimental data are compared to the NLO perturbative QCD calculations employing various sets of parton-to-hadron fragmentation functions. [...]
arXiv:1408.4659.- 2014 - 6. - Published in : PoS DIS2014 (2014) 148 Fulltext: PDF; Published version from PoS: PDF; External link: Preprint
In : 22nd International Workshop on Deep-Inelastic Scattering and Related Subjects, Warsaw, Poland, 28 Apr - 02 May 2014, pp.148
10.
Confronting current NLO parton fragmentation functions with inclusive charged-particle spectra at hadron colliders / d'Enterria, David (CERN) ; Eskola, Kari J. (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Helenius, Ilkka (Helsinki Inst. of Phys. ; Jyvaskyla U.) ; Paukkunen, Hannu (Helsinki Inst. of Phys. ; Jyvaskyla U.)
The inclusive spectra of charged particles measured at high transverse momenta ($p_T\gtrsim$2GeV/c) in proton-proton and proton-antiproton collisions in the range of center-of-mass energies $\sqrt{s}=200-7000$GeV are compared with next-to-leading order perturbative QCD calculations using seven recent sets of parton-to-hadron fragmentation functions (FFs). Accounting for the uncertainties in the scale choices and in the parton distribution functions, we find that most of the theoretical predictions tend to overpredict the measured LHC and Tevatron cross sections by up to a factor of two. [...]
arXiv:1311.1415.- 2014-06 - 14 p. - Published in : Nucl. Phys. B 883 (2014) 615-628 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: S0550321314001151 - XML; arXiv:1311.1415 - PDF;

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