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ALICE Preprints

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2017-10-07
10:11
GEM Foil Quality Assurance For The ALICE TPC Upgrade / Brücken, Erik (Helsinki Inst. of Phys.) ; Hildén, Timo (Helsinki Inst. of Phys.)
The ALICE (A Large Ion Collider Experiment) experiment at the Large Hadron Collider (LHC) at CERN is dedicated to heavy ion physics to explore the structure of strongly interacting matter. [...]
arXiv:1704.06310.
- 5 p.
Preprint

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2017-09-20
23:21
Production of deuterons, tritons, $^{3}$He nuclei and their anti-nuclei in pp collisions at $\mathbf{\sqrt{{\textit s}}}$~=~0.9, 2.76 and 7~TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adam, Jaroslav (Creighton U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahmad, Nazeer (Aligarh Muslim U.) et al.
Invariant differential yields of deuterons and anti-deuterons in pp collisions at $\sqrt{s}$ = 0.9, 2.76 and 7~TeV and the yields of tritons, $^{3}$He nuclei and their anti-nuclei at $\sqrt{s}$ = 7~TeV have been measured with the ALICE detector at the LHC. The measurements cover a wide transverse momentum ($p_{\text{T}}$) range in the rapidity interval $|y|<0.5$, extending both the energy and the $p_{\text{T}}$ reach of previous measurements up to 3~GeV/$c$ for $A=2$ and 6~GeV/$c$ for $A=3$. [...]
CERN-EP-2017-255; arXiv:1709.08522.- Geneva : CERN, 2017 - 26 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2017-09-13
09:49
Search for collectivity with azimuthal J/$\psi$-hadron correlations in high multiplicity p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 and 8.16 TeV / ALICE Collaboration
We present a measurement of azimuthal correlations between inclusive J/$\psi$ and charged hadrons in p-Pb collisions recorded with the ALICE detector at the CERN LHC. [...]
CERN-EP-2017-245 ; arXiv:1709.06807.
- 2017. - 21 p.
Full text - Draft (restricted) - Preprint

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2017-09-11
09:52
Constraining the magnitude of the Chiral Magnetic Effect with Event Shape Engineering in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adam, Jaroslav (Creighton U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahmad, Nazeer (Aligarh Muslim U.) et al. /ALICE
In ultrarelativistic heavy-ion collisions, the event-by-event variation of the elliptic flow $v_2$ reflects fluctuations in the shape of the initial state of the system. This allows to select events with the same centrality but different initial geometry. [...]
CERN-EP-2017-241; arXiv:1709.04723.- Geneva : CERN, 2017 - 20 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2017-09-06
11:33
J/$\psi$ elliptic flow in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahn, Sang Un (KISTI, Daejeon) ; Aiola, Salvatore (Yale U.) et al. /ALICE
We report a precise measurement of the J/$\psi$ elliptic flow in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector at the LHC. The J/$\psi$ mesons are reconstructed at mid-rapidity ($|y| < 0.9$) in the dielectron decay channel and at forward rapidity ($2.5 < y < 4.0$) in the dimuon channel, both down to zero transverse momentum. [...]
CERN-EP-2017-237; arXiv:1709.05260.- Geneva : CERN, 2017 - 18 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2017-09-06
07:51
Tracking performance in high multiplicities environment at ALICE / Rohr, David (CERN)
In LHC Run 3, ALICE will increase the data taking rate significantly to 50\,kHz continuous read out of minimum bias Pb-Pb events. [...]
arXiv:1709.00618.
- 6 p.
Preprint

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2017-08-28
11:55
The ALICE Transition Radiation Detector: construction, operation, and performance / Acharya, Shreyasi (Calcutta, VECC) ; Adam, Jaroslav (Creighton U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Clemens (Heidelberg U.) ; 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 Transition Radiation Detector (TRD) was designed and built to enhance the capabilities of the ALICE detector at the Large Hadron Collider (LHC). While aimed at providing electron identification and triggering, the TRD also contributes significantly to the track reconstruction and calibration in the central barrel of ALICE. [...]
CERN-EP-2017-222; arXiv:1709.02743.- Geneva : CERN, 2017 - 79 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2017-08-21
10:27
Systematic studies of correlations between different order flow harmonics in Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}}$ = 2.76 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adam, Jaroslav (Creighton U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahmad, Nazeer (Aligarh Muslim U.) et al.
The correlations between event-by-event fluctuations of anisotropic flow harmonic amplitudes have been measured in Pb--Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}}$ = 2.76 TeV with the ALICE detector at the Large Hadron Collider. [...]
CERN-EP-2017-215 ; arXiv:1709.01127.
- 2017. - 33 p.
Draft (restricted) - Preprint

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2017-08-21
10:17
$\pi^0$ and $\eta$ meson production in proton-proton collisions at $\sqrt{s}=8$ TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adam, Jaroslav (Creighton U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; 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) ; Ahmad, Nazeer (Aligarh Muslim U.) et al. /ALICE
An invariant differential cross section measurement of inclusive $\pi^{0}$ and $\eta$ meson production at mid-rapidity in pp collisions at $\sqrt{s}=8$~TeV was carried out by the ALICE experiment at the LHC. The spectra of neutral mesons $\pi^{0}$ and $\eta$ were measured in transverse momentum ranges of $0.3<p_{\rm T}<35$~GeV/$c$ and $0.5<p_{\rm T}<35$~GeV/$c$, respectively. [...]
CERN-EP-2017-216; arXiv:1708.08745.- Geneva : CERN, 2017 - 32 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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2017-07-27
09:06
Charged-particle multiplicity distributions over a wide pseudorapidity range in proton-proton collisions at $\sqrt{s}$ = 0.9, 7 and 8 TeV / Acharya, S. (Calcutta, VECC) ; Adamová, D. (Rez, Nucl. Phys. Inst.) ; Adolfsson, J. (Lund U.) ; Aggarwal, M.M. (Panjab U.) ; Aglieri Rinella, G. (CERN) ; Agnello, M. (INFN, Turin ; Turin Polytechnic) ; Agrawal, N. (Indian Inst. Tech., Mumbai) ; Ahammed, Z. (Calcutta, VECC) ; Ahmad, N. (Aligarh Muslim U.) ; Ahn, S.U. (KISTI, Daejeon) et al. /ALICE
We present the charged-particle multiplicity distributions over a wide pseudorapidity range (−3.4 < $\eta$ < 5.0) for pp collisions at $\sqrt{s}$ = 0.9, 7, and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector and the Forward Multiplicity Detector of ALICE, extending the pseudorapidity coverage of the earlier publications and the high- multiplicity reach. [...]
CERN-EP-2017-192; arXiv:1708.01435.- Geneva : CERN, 2017 - 28 p. Draft (restricted): PDF; Fulltext: PDF; Preprint: PDF;

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