CERN Accelerating science

ALICE Preprints

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2018-09-18
17:10
Event-shape engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV / ALICE Collaboration, CERN /ALICE
The production yield of prompt D mesons and their elliptic flow coefficient $v_2$ were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10–30% and 30–50% centrality classes) Pb-Pb collisions at the centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}}=5.02$ TeV, with the ALICE detector at the LHC. The ESE technique allows the classification of events, belonging to the same centrality, according to the azimuthal anisotropy of soft particle production in the collision. [...]
CERN-EP-2018-260.- Geneva : CERN, 2018 - 24. Draft (restricted): PDF;

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2018-09-06
04:04
Production of pions, kaons and protons in Xe--Xe collisions at $\mathbf{\sqrt{{\textit s}_{\mathbf{\rm \mathbf{NN}}}}=5.44} \text{ TeV}$ / Ragoni, Simone (Bologna U. ; INFN, Bologna)
In late 2017, the ALICE experiment recorded a data sample of Xe--Xe collisions at the unprecedented energy in A--A systems of $\sqrt{s_{\rm{NN}}} = 5.44\text{ TeV}$. [...]
arXiv:1809.01086.
- 5 p.
Fulltext

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2018-09-06
04:04
PID performance of the ALICE-TOF detector in Run 2 / Jacazio, Nicolò (Bologna U. ; INFN, Bologna)
In these proceedings we report on the status of the ALICE Time-Of-Flight (TOF) detector. [...]
arXiv:1809.00574.
- 7 p.
Fulltext

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2018-08-27
09:49
Energy dependence of exclusive $J/\psi$ photoproduction off protons in ultra-peripheral p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) et al. /ALICE
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of $J/\psi$ vector mesons off proton targets in ultra–peripheral p-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV. The $e^{+}e^{-}$ and $\mu^{+}\mu^{-}$ decay channels are used to measure the cross section as a function of the rapidity of the $J/\psi$ in the range −2.5 < $y$ < 2.7, corresponding to an energy in the $\gamma p$ centre-of-mass in the interval 40 < $W_{\gamma p}$ < 550 GeV. [...]
arXiv:1809.03235; CERN-EP-2018-236.- Geneva : CERN, 2018 - 24 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-08-27
09:41
Charged jet cross section and fragmentation in proton-proton collisions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) et al.
We report the differential charged jet cross section and jet fragmentation distributions measured with the ALICE detector in proton-proton collisions at a centre-of-mass energy $\sqrt{s}$ = 7 TeV. Jets with pseudo-rapidity $|\eta|<0.5$ are reconstructed from charged particles using the anti-$k_{T}$ jet finding algorithm with a resolution parameter $R$ = 0.4. [...]
arXiv:1809.03232; CERN-EP-2018-235.- Geneva : CERN, 2018 - 23 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-08-27
09:28
Measuring $\rm{K}^{0}\rm{K}^{\pm}$ interactions using pp collisions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) et al. /ALICE
We present the first measurements of femtoscopic correlations between the $\rm{K}^{0}$ and $\rm{K}^{\pm}$ particles in pp collisions at $\sqrt{s}$ = 7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the $a_{0}(980)$ resonance. [...]
arXiv:1809.07899; CERN-EP-2018-234.- Geneva : CERN, 2018 - 21 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-08-01
05:43
Balance functions of (un)identified hadrons in Pb--Pb, p--Pb, and pp collisions at the LHC / Pan, Jinjin (Wayne State U.)
In ultrarelativistic heavy-ion collisions, correlations of particles with opposite quantum numbers provide insight into quark production mechanisms and time scales, collective motion, and re-scattering in the hadronic phase. [...]
arXiv:1807.10377.
- 4 p, 4 p.
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2018-07-27
04:02
Measurements of the chiral magnetic effect in Pb--Pb collisions with ALICE / Haque, Md. Rihan
We present the measurement of the charge-dependent 3-particle azimuthal correlation for unidentified charged particles in Pb--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV in ALICE. [...]
arXiv:1807.09360.
- 4 p.
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2018-07-23
10:29
Multiplicity dependence of light-flavor hadron production in pp collisions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) et al. /ALICE
Comprehensive results on the production of unidentified charged particles, $\pi^{+}$, $\rm{K}^{\pm}$, $\rm{K}^{0}_{S}$, K*(892)$^{0}$, $\rm{p}$, $\overline{\rm{p}}$, $\phi$(1020), $\Lambda$, $\overline{\Lambda}$, $\Xi^{-}$, $\overline{\Xi}^{+}$, $\Omega^{-}$ and $\overline{\Omega}^{+}$ hadrons in proton-proton (pp) collisions at $\sqrt{s}$ = 7 TeV at midrapidity ($|y| < 0.5$) as a function of charged-particle multiplicity density are presented. In order to avoid auto-correlation biases, the actual transverse momentum ($p_{\rm{T}}$) spectra of the particles under study and the event activity are measured in different rapidity windows [...]
arXiv:1807.11321; CERN-EP-2018-209.- Geneva : CERN, 2018 - 45 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-07-20
04:10
Exploring the Phase Space of Jet Splittings at ALICE using Grooming and Recursive Techniques / Andrews, Harry Arthur (Birmingham U.)
Hard splittings in the evolution of a jet may be modified by the presence of a dense strongly interacting medium. [...]
arXiv:1807.06439.
- 4 p.
Fulltext - Preprint

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