CERN Accelerating science

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1.
Global baryon number conservation encoded in net-proton fluctuations measured in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV / ALICE Collaboration
Experimental results are presented on event-by-event net-proton fluctuation measurements in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. These measurements have as their ultimate goal an experimental test of Lattice QCD (LQCD) predictions on second and higher order cumulants of net-baryon distributions to search for critical behavior near the QCD phase boundary. [...]
arXiv:1910.14396; CERN-EP-2019-253.- Geneva : CERN, 2020-06-18 - 16 p. - Published in : Phys. Lett. B 807 (2020) 135564 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
2.
Dielectron production in proton-proton and proton-lead collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV / ALICE Collaboration
The first measurements of dielectron production at midrapidity ($|\eta_{c}|<0.8$) in proton-proton and proton-lead collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV at the LHC are presented. The dielectron cross section is measured with the ALICE detector as a function of the invariant mass $m_{\rm{T,ee}}$ and the pair transverse momentum $p_{\rm{T,ee}}$ in the ranges $m_{\rm{T,ee}}$ < 3.5 GeV/$c^{2}$ and $m_{\rm{T,ee}}$ < 8.0 GeV/$c^{2}$, in both collision systems. [...]
arXiv:2005.11995; CERN-EP-2020-081.- Geneva : CERN, 2020-11-25 - 21 p. - Published in : Phys. Rev. C 102 (2020) 055204 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
3.
Pion-kaon femtoscopy and the lifetime of the hadronic phase in Pb$-$Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV / ALICE Collaboration
n this paper, the first femtoscopic analysis of pion--kaon correlations at the LHC is reported. The analysis was performed on the Pb--Pb collision data at $\mathbf{\sqrt{{\textit s}_{\rm NN}}} =2.76$ TeV recorded with the ALICE detector. [...]
arXiv:2007.08315; CERN-EP-2020-126.- 2021-02-10 - 13 p. - Published in : Phys. Lett. B 813 (2021) 136030 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
4.
Centrality dependence of J/$\psi$ and $\psi$(2S) production and nuclear modification in p-Pb collisions at $\sqrt{s_{\rm NN}} = 8.16$ TeV / ALICE Collaboration
The inclusive production of the J/$\psi$ and $\psi$(2S) charmonium states is studied as a function of centrality in p-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 8.16$ TeV at the LHC. The measurement is performed in the dimuon decay channel with the ALICE apparatus in the centre-of-mass rapidity intervals $-4.46 < y_{\rm cms} < -2.96$ (Pb-going direction) and $2.03 < y_{\rm cms} < 3.53$ (p-going direction), down to zero transverse momentum ($p_{\rm T}$). [...]
arXiv:2008.04806; CERN-EP-2020-133.- Geneva : CERN, 2021-02-01 - 36 p. - Published in : JHEP 2102 (2021) 002 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
5.
Production of $\omega $ mesons in pp collisions at $\mathbf {\sqrt{s}=7\,\text {TeV}}$ / ALICE Collaboration
The invariant differential cross section of inclusive $\omega(782)$ meson production at midrapidity ($|y|<0.5$) in pp collisions at $\sqrt{s}$ = 7 TeV was measured with the ALICE detector at the LHC over a transverse momentum range of 2 < $p_\rm{T}$ < GeV/$c$. The $\omega$ meson was reconstructed via its $\omega\rightarrow\pi^+\pi^-\pi^0$ decay channel. [...]
arXiv:2007.02208; CERN-EP-2020-122.- Geneva : CERN, 2020 - 16 p. - Published in : Eur. Phys. J. C 80 (2020) 1130 Article from SCOAP3: PDF; Fulltext: CERN-EP-DRAFT-ALICE-2020-023 - draft - PDF; 2007.02208 - PDF;
6.
J/$\psi$ elliptic and triangular flow in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV / ALICE Collaboration
The inclusive J/$\psi$ elliptic ($v_{2}$) and triangular ($v_{3}$) flow coefficients are measured at forward rapidity (2.5 < y < 4) and the $v_{2}$ at midrapidity (|y| < 0.9) in PbPb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV using the ALICE detector at the LHC. The entire Pb-Pb data sample collected during Run 2 is employed, amounting to integrated luminosities of about 750 $\mu\rm{b}^{-1}$ at forward rapidity and 93 $\mu\rm{b}^{-1}$ at midrapidity. [...]
arXiv:2005.14518; CERN-EP-2020-094.- Geneva : CERN, 2020-10-22 - 27 p. - Published in : JHEP 2010 (2020) 141 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
7.
Z-boson production in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=8.16$ TeV and Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV / ALICE Collaboration
Measurement of Z-boson production in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=8.16$ TeV and Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV is reported. It is performed in the dimuon decay channel, through the detection of muons with pseudorapidity $-4 < \eta_{\mu} < -2.5$ and transverse momentum $p_{T}^{\mu} > 20$ GeV/$c$ in the laboratory frame. [...]
arXiv:2005.11126; CERN-EP-2020-090.- Geneva : CERN, 2020-09-10 - 22 p. - Published in : JHEP 2009 (2020) 076 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
8.
Multiplicity dependence of J/$\psi$ production at midrapidity in pp collisions at $\sqrt{s}$ = 13 TeV / ALICE Collaboration
Measurements of the inclusive J/$\psi$ yield as a function of charged-particle pseudorapidity density \dndeta in pp collisions at $\sqrt{s}$ = 13 TeV with ALICE at the LHC are reported. The J/$\psi$ meson yield is measured at midrapidity ($|y|<0.9$) in the dielectron channel, for events selected based on the charged-particle multiplicity at midrapidity ($|\eta|<1$) and at forward rapidity ($-3.7<\eta<-1.7$ and $2.8<\eta<5.1$); both observables are normalized to their corresponding averages in minimum bias events. [...]
arXiv:2005.11123; CERN-EP-2020-088.- Geneva : CERN, 2020-09-03 - 14 p. - Published in : 10.1016/j.physletb.2020.135758 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
9.
Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at $\sqrt{s_{NN}}$= 5.02 TeV / ALICE Collaboration
The measurements of the (anti)deuterons elliptic flow ($v_2$) and the first measurements of triangular flow ($v_3$) in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon collisions $\sqrt{s_{NN}}$ = 5.02 TeV are presented. A mass ordering at low transverse momentum ($p_{\rm T}$) is observed when comparing these measurements with those of other identified hadrons, as expected from relativistic hydrodynamics. [...]
arXiv:2005.14639; CERN-EP-2020-099.- Geneva : CERN, 2020-11-18 - 19 p. - Published in : Phys. Rev. C 102 (2020) 055203 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
10.
First measurement of quarkonium polarization in nuclear collisions at the LHC / ALICE Collaboration
The polarization of inclusive J/$\psi$ and $\Upsilon(1{\rm S})$ produced in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}=5.02$ TeV at the LHC is measured with the ALICE detector. The study is carried out by reconstructing the quarkonium through its decay to muon pairs in the rapidity region $2.5<y<4$ and measuring the polar and azimuthal angular distributions of the muons. [...]
arXiv:2005.11128; CERN-EP-2020-092.- Geneva : CERN, 2021-04-10 - 21 p. - Published in : Phys. Lett. B 815 (2021) 136146 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;

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