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ALICE Preprints

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2021-11-24
04:21
Measurements of charm production in pp collisions with ALICE / Cheng, Tiantian (Lund U. ; Hua-Zhong Normal U. ; Darmstadt, GSI)
The production of charm-hadrons at midrapidity in pp collisions at $\sqrt{s}$ = 5.02 and 13 TeV was recently measured by the ALICE Collaboration. [...]
arXiv:2111.12054. - 4 p.
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2021-11-23
14:51
Observation of a multiplicity dependence in the $p_{\rm T}$-differential charm baryon-to-meson ratios in proton-proton collisions at $\sqrt{s} = 13$ TeV / ALICE Collaboration
The production of prompt $D^{0}$, $D^{+}_{\rm s}$, and $\Lambda_{\rm c}^{+}$ hadrons, and their ratios, $D^{+}_{\rm s}$/$D^{0}$ and $\Lambda_{\rm c}^{+}$/$D^{0}$, are measured in proton-proton collisions at \thirteen at midrapidity ($|y| <0.5$) with the ALICE detector at the LHC. [...]
arXiv:2111.11948 ; CERN-EP-2021-245. - 2021. - 26 p.
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2021-11-19
04:04
ALICE ITS 3: the first truly cylindrical inner tracker / Colella, Domenico
The high integration density of MAPS, with silicon sensor and readout electronics implemented in the same device, allows very thin structures with a greatly reduced material budget. [...]
arXiv:2111.09689. - 4 p.
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2021-11-18
04:58
Upgrade of the ALICE ITS detector / Reidt, Felix (CERN)
The ALICE experiment at CERN has undergone a major upgrade during the Long Shutdown 2 of the LHC during 2019-2021. [...]
arXiv:2111.08301. -
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2021-11-14
12:24
The charge sensitivity calibration of the upgraded ALICE Inner Tracking System / Yuan, Shiming (Bergen U.) ; Alme, Johan (Bergen U.) ; Keil, Markus (CERN) ; Ravasenga, Ivan (CERN) ; Richter, Matthias (Bergen U.) ; Röhrich, Dieter (Bergen U.)
The ALICE detector is undergoing an upgrade for Run 3 at the LHC. [...]
arXiv:2110.12525. - 6 p.
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2021-11-07
16:25
K$^0_{\rm S}K$^0_{\rm S} and K$^0_{\rmS}K$^{\pm} femtoscopy in pp collisions at $\sqrt{s}$ = 5.02 and 13 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al.
Femtoscopic correlations with the particle pair combinations K$^0_{\rm S}$K$^0_{\rm S}$ and K$^0_{\rm S}$K$^{\pm}$ are studied in pp collisions at $\sqrt{s}$ 5.02 and 13 TeV by the ALICE experiment. At both energies, boson source parameters are extracted for both pair combinations, by fitting models based on Gaussian size distributions of the sources, to the measured two-particle correlation functions. [...]
arXiv:2111.06611; CERN-EP-2021-233.- Geneva : CERN, 2021 - 24 p. Draft (restricted): PDF; Fulltext: PDF;

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2021-11-05
16:18
Characterizing the initial conditions of heavy-ion collisions at the LHC with mean transverse momentum and anisotropic flow correlations / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al.
Correlations between mean transverse momentum [$p_{\rm T}$] and anisotropic flow coefficients $v_2$ or $v_3$ are measured as a function of centrality in Pb–Pb and Xe–Xe collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV and 5.44 TeV, respectively, with ALICE. [...]
arXiv:2111.06106 ; CERN-EP-2021-232. - 2021. - 19 p.
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2021-11-02
08:08
Measurements of sub-jet fragmentation with ALICE / Mulligan, James (LBNL, NSD ; UC, Berkeley)
High-energy jets offer rich opportunities to study quantum chromodynamics, from investigating the limits of perturbative calculability to constraining the emergent properties of the quark-gluon plasma (QGP). [...]
arXiv:2110.15467. - 5 p.
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2021-11-02
08:08
Exploring jet fragmentation using two-particle correlations with $\Lambda$ and K$^0_{\rm S}$ / Tarasovičová, Lucia Anna (Munster U.)
Complementary to jet reconstruction, two-particle correlations in $\Delta\eta$ and $\Delta\varphi$ are used to study jets, in particular their particle composition. [...]
arXiv:2110.15745. - 7 p.
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2021-11-02
08:07
Measurement of the jet-particle $v_{2}$ in p--Pb and Pb--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV with ALICE at the LHC / Tang, Siyu (CCNU, Wuhan, Inst. Part. Phys. ; Clermont-Ferrand U.)
The elliptic flow of jet particles at midrapidity ($|\eta|$ < 0.8) is measured for the first time in p--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV and extended down to lower $\it{p}_{\rm T}$ in Pb--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV. [...]
arXiv:2110.15852. - 6 p.
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