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ALICE Preprints

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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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2018-12-13
16:07
Real-time data processing in the ALICE High Level Trigger at the LHC / 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.
At the Large Hadron Collider at CERN in Geneva, Switzerland, atomic nuclei are collided at ultra-relativistic energies. Many final-state particles are produced in each collision and their properties are measured by the ALICE detector. [...]
arXiv:1812.08036; CERN-EP-2018-337.- Geneva : CERN, 2018 - 43 p. Draft (restricted): 2.PDF; Fulltext: PDF;

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2018-12-06
10:22
Event-shape and multiplicity dependence of freeze-out radii 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) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) et al.
Two-particle correlations in high-energy collision experiments enable the extraction of particle source radii by using the Bose-Einstein enhancement of pion production at low relative momentum $q\propto 1/R$. It was previously observed that in pp collisions at $\sqrt{s}$ = 7 TeV the average pair transverse momentum $k_{\rm{T}}$ range of such analyses is limited due to large background correlations which were attributed to mini-jet phenomena. [...]
arXiv:1901.05518; CERN-EP-2018-332.- Geneva : CERN, 2018 - 21 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-12-05
04:13
The GEM QA Protocol of the ALICE TPC Upgrade Project / Brücken, Jens Erik (Helsinki Inst. of Phys.) ; Hildén, Timo Eero (Helsinki Inst. of Phys.)
The ALICE experiment at the Large Hadron Collider at CERN is upgrading its central tracking detector, the Time Projection Chamber (TPC). [...]
arXiv:1811.07043.
- 7 p.
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2018-12-01
06:26
Satellite population measurements in PB-PB collisions with the ALICE ZDC / Gagliardi, M (INFN, Turin ; Turin U.)
The ALICE experiment is equipped with a set of Zero Degree Calorimeters: two for spectator neutrons (ZN) and two for spectator protons (ZP), located on both sides of the interaction point. [...]
2012. - 3 p.
Full text - M Gagliardi - Fulltext

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