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ALICE Preprints

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2019-03-07
04:04
Multiplicity dependence of heavy-flavour correlations with charged particle and collective effects in p--Pb collisions at $\sqrt{s_\mathrm{NN}}$= 5.02 TeV with ALICE at LHC / Mazzilli, Marianna (Bari U.) ; (INFN, Bari)
Azimuthal correlation studies of heavy-flavour particles with charged particles in p--Pb collisions can give an insight into the cold nuclear matter effects on heavy-quark production and hadronization into heavy-flavour jets. [...]
arXiv:1903.00649.
- 4 p.
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2019-02-21
14:51
Investigations of anisotropic flow using multi-particle azimuthal correlations in pp, p$-$Pb, Xe$-$Xe, and Pb$-$Pb collisions at the LHC / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; 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 (Enrico Fermi Ctr., Rome) ; Ahammed, Zubayer (Calcutta, VECC) et al.
Measurements of anisotropic flow coefficients ($v_{\rm n}$)and their cross-correlations using two- and multi-particle cumulant methods are reported in collisions of pp at $\sqrt{s}$ = 13 TeV, p$–$Pb at $\sqrt{s_{\rm NN}}$ = 5.02 TeV, Xe$-$Xe at $\sqrt{s_{\rm NN}}$ = 5.44 TeV, and Pb–Pb at $\sqrt{s_{\rm NN}}$= 5.02 TeV recorded with the ALICE detector. These measurements are performed as a function of multiplicity in the mid-rapidity region |$\eta$| < 0.8 for the transverse momentum range 0.2 < $p_{\rm T}$ < 3.0 GeV/$c$. [...]
arXiv:1903.01790; CERN-EP-2019-033.- Geneva : CERN, 2019 - 20 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-02-13
20:53
Multiplicity dependence of (anti-)deuteron production in pp collisions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Ahammed, Zubayer (Calcutta, VECC) et al.
In this letter, the production of deuterons and anti-deuterons in pp collisions at $\sqrt{s} = 7$ TeV is studied as a function of the charged-particle multiplicity density at mid-rapidity with the ALICE detector at the LHC. Production yields are measured at mid-rapidity in five multiplicity classes and as a function of the deuteron transverse momentum ($p_{\rm{T}}$). [...]
arXiv:1902.09290; CERN-EP-2019-024.- Geneva : CERN, 2019 - 24 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-02-07
19:35
Calibration of the photon spectrometer PHOS of the ALICE experiment / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Ahammed, Zubayer (Calcutta, VECC) et al.
The procedure for the energy calibration of the high granularity electromagnetic calorimeter PHOS of the ALICE experiment is presented. The methods used to perform the relative gain calibration, to evaluate the geometrical alignment and the corresponding correction of the absolute energy scale, to obtain the nonlinearity correction coefficients and finally, to calculate the time-dependent calibration corrections, are discussed and illustrated by the PHOS performance in proton-proton (pp) collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:1902.06145; CERN-EP-2019-020.- Geneva : CERN, 2019 - 26 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-01-17
04:45
Exploring polyglot software frameworks in ALICE with FairMQ and fer / Binet, S. (Clermont-Ferrand U.)
In order to meet the challenges of the Run 3 data rates and volumes, the ALICE collaboration is merging the online and offline infrastructures into a common framework: ALICE-O2. [...]
arXiv:1901.04834.
- 8 p.
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2019-01-15
21:09
Measurement of D$^0$, D$^+$, D$^*$ and D$_s$ production in pp collisions at $\sqrt{s}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adhya, Souvik Priyam (Calcutta, VECC) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) et al.
The measurements of the production of prompt D$^0$, D$^+$, D$^*$ and D$_s$ mesons in proton-proton (pp) collisions at $\sqrt{s}$ = 5.02 TeV with the ALICE detector at the Large Hadron Collider (LHC) are reported. D mesons were reconstructed at mid-rapidity ($|y|<0.5$) via their hadronic decay channels ${\rm D}^0 \to {\rm K}^-\pi^+$, ${\rm D}^+\to {\rm K}^-\pi^+\pi^+$, ${\rm D}^{*+} \to {\rm D}^0 \pi^+ \to {\rm K}^- \pi^+ \pi^+$, ${\rm D^{+}_{s}\to \phi\pi^+\to K^{+} K^{-} \pi^{+}}$, and their charge conjugates. [...]
arXiv:1901.07979; CERN-EP-2019-004.- Geneva : CERN, 2019 - 32 p. Draft (restricted): PDF; Fulltext: PDF;

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2019-01-12
04:38
Quarkonium production as a function of charged-particle multiplicity in pp and p--Pb collisions measured by ALICE at the LHC / Thakur, Dhananjaya (Indian Inst. Tech., Indore)
Quarkonium production as a function of the charged-particle multiplicity could provide an insight into particle production processes at the partonic level in hadronic collisions. [...]
arXiv:1901.02627.
- 5 p.
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2019-01-06
04:51
Recent results on hard probes with ALICE and STAR / Mao, Yaxian (Hua-Zhong Normal U., LQLP ; CCNU, Wuhan, Inst. Part. Phys.)
This paper reviews recent experimental results on hard probes in heavy-ion collisions from the ALICE and STAR Collaboration. [...]
arXiv:1812.05947.
- 10 p.
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2018-12-29
04:50
Direct-photon and heavy-flavour production in proton-proton collisions at $\sqrt{s} = 7$ TeV with ALICE / Scheid, Horst Sebastian (CERN)
Low-mass dielectron measurements play an essential role in the study of the Quark-Gluon Plasma (QGP) created in ultra-relativistic heavy-ion collisions. [...]
arXiv:1812.09891.
- 5 p.
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2018-12-19
05:03
ALICE Overwatch: Online monitoring and data quality assurance using HLT data / Ehlers, Raymond (Yale U.) ; Mulligan, James (Yale U.)
ALICE Overwatch is a project started in late 2015 to provide augmented online monitoring and data quality assurance utilizing time-stamped QA histograms produced by the ALICE High Level Trigger. [...]
arXiv:1812.00791.
- 8 p.
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