CERN Accelerating science

ALICE Preprints

新增:
2018-07-12
09:12
Collider studies on jet and heavy flavour properties / Candelise, Vieri (INFN, Trieste ; Trieste U.) /ALICE,ATLAS,CMS and LHCB Collaborations
The Large Hadron Collider at CERN is the world's most efficient jet factory. In this report the properties of jets will be discussed, with focus on reconstructed jets in the ATLAS, CMS and LHCb experiments. [...]
CMS-CR-2018-075.- Geneva : CERN, 2018 - 12 p. Fulltext: PDF;
In : XXVI International Workshop on Deep Inelastic Scattering and Related Subjects, Kobe, Hyogo, Japan, 16 - 20 Apr 2018

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2018-07-12
04:24
Medium modification of the shape of small-radius jets in central Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV / ALICE Collaboration, CERN
We present the measurement of a new set of jet shape observables for track-based jets in central Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV. The set of jet shapes includes the first radial moment or angularity, $g$; the momentum dispersion, $p_{\rm{T}}D$; and the difference between the leading and sub-leading constituent track transverse momentum, $LeSub$. [...]
CERN-EP-2018-201.- Geneva : CERN, 2018 - 20. Draft (restricted): PDF;

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2018-07-11
04:20
Pion Fluctuation Study in Pb-Pb Collision at 3.5TeV from ALICE Experiment with Chaos and Complex Network-based Methods / Bhaduri, Susmita (Unlisted, IN) ; Bhaduri, Anirban (Unlisted, IN) ; Ghosh, Dipak (Unlisted, IN)
Chaos and complex-network based study is performed to look for signature of phase transition in Pb-Pb collision data sample at 3.5 TeV from ALICE Collaboration. [...]
arXiv:1806.04904.
- 11 p.
Full text

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2018-07-08
04:19
Trigger and Timing Distributions using the TTC-PON and GBT Bridge Connection in ALICE for the LHC Run 3 Upgrade / Mitra, Jubin (Calcutta, VECC) ; David, Erno (Wigner RCP, Budapest) ; Mendez, Eduardo (CERN) ; Khan, Shuaib Ahmad (Calcutta, VECC) ; Kiss, Tivadar (Wigner RCP, Budapest) ; Baron, Sophie (CERN) ; Kluge, Alex (CERN) ; Nayak, Tapan (Calcutta, VECC)
The ALICE experiment at CERN is preparing for a major upgrade for the third phase of data taking run (Run 3), when the high luminosity phase of the Large Hadron Collider (LHC) starts. [...]
arXiv:1806.01350.
- 18 p.
Full text

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2018-06-28
13:16
Measurement of jets and photons with the ALICE experiment at the LHC / Leardini, L. (Heidelberg U.)
Jets and direct photons are used to probe the formation and the properties of the Quark-Gluon Plasma (QGP) by the ALICE Collaboration. [...]
arXiv:1805.09089.
- 4 p.
Fulltext

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2018-06-21
03:38
Measurement of dielectron production in central Pb-Pb collisions at $\sqrt{{\textit{s}}_{\mathrm{NN}}}$ = 2.76 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; 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) et al.
The first measurement of dielectron ($\mathrm{e}^{+}\mathrm{e}^{-}$) production in central (0$-$10$\%$) Pb--Pb collisions at a center-of-mass energy per nucleon pair $\mathbf{\sqrt{{\textit{s}}_{\mathrm{NN}}}}$ = 2.76 TeV at the LHC is presented. The dielectron invariant-mass spectrum is measured in the ALICE central barrel detectors for electrons with pseudorapidity $|\eta_{\mathrm{e}}|<0.8$ and transverse momentum $0.4 < p_{\mathrm{T}, \mathrm{e}} < 5$ GeV/$\textit{c}$ [...]
CERN-EP-2018-181; CERN-EP-2018-181; arXiv:1807.00923.- Geneva : CERN, 2018 - 34 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-05-29
00:48
p-p, p-$\Lambda$ and $\Lambda$-$\Lambda$ correlations studied via femtoscopy in pp reactions at $\sqrt{s}$ = 7 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; 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) et al.
We report on the first femtoscopic measurement of baryon pairs, such as p-p, p-$\Lambda$ and $\Lambda$-$\Lambda$, measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at $\sqrt{s}$ = 7 TeV This study demonstrates the feasibility of such measurements in pp collisions at ultrarelativistic energies. The femtoscopy method is employed to constrain the hyperon-nucleon and hyperon-hyperon interactions, which are still rather poorly understood. [...]
CERN-EP-2018-150; CERN-EP-2018-150; arXiv:1805.12455.- Geneva : CERN, 2018 - 32 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-05-08
14:59
Dielectron and heavy-quark production in inelastic and high-multiplicity proton-proton collisions at $\sqrt{s} = 13$ TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; 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) et al. /ALICE
The measurement of electron-positron pair production is presented as a function of their invariant mass and transverse momentum at midrapidity ($|y_{\rm e} | < 0.8$) in proton-proton (pp) collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. The contributions from light-hadron decays can be calculated from their measured cross sections in pp collisions at $\sqrt{s} = 7$ TeV or $13$ TeV. [...]
CERN-EP-2018-122; arXiv:1805.04407; CERN-EP-2018-122.- Geneva : CERN, 2018 - 23 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-05-08
04:03
Centrality and pseudorapidity dependence of the charged-particle multiplicity density in Xe–Xe collisions at $\sqrt{s_{NN}}$ = 5.44 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; 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) et al. /ALICE
In this Letter, the ALICE Collaboration presents the first measurements of the charged-particle multiplicity density, $dN_{ch}/d\eta$, and total charged-particle multiplicity, $N_{ch}^{tot}$, in Xe–Xe collisions at a centre-of-mass energy per nucleon-nucleon pair of $\sqrt{s_{NN}}$ = 5.44 TeV. The measurements are performed as a function of collision centrality over a wide pseudorapidity range of −3.5 < $\eta$ < 5. [...]
CERN-EP-2018-120; CERN-EP-2018-120; arXiv:1805.04432.- Geneva : CERN, 2018 - 24 p. Draft (restricted): PDF; Fulltext: PDF;

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2018-05-08
00:26
Azimuthal anisotropy of heavy-flavour decay electrons in p-Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Torales - Acosta, Fernando (UC, Berkeley) ; 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) et al.
Angular correlations between heavy-flavour decay electrons and charged particles at mid-rapidity (|$\eta$| < 0.8) are measured in p-Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV. The analysis is carried out for the 0-20% (high) and 60-100% (low) multiplicity ranges. [...]
CERN-EP-2018-119; arXiv:1805.04367; CERN-EP-2018-119.- Geneva : CERN, 2018 - 18 p. Draft (restricted): PDF; Fulltext: PDF;

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