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ALICE Conference Contributions

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2019-12-20
04:10
(W)hole new field: the new GEM Time Projection Chamber of ALICE / Miskowiec, Dariusz
The ALICE Time Projection Chamber has just been upgraded by replacing the readout chambers, which cover the two ends of the cylinder, with new detectors based on the Gas Electron Multiplier (GEM) technology. [...]
arXiv:1912.08673. -
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2019-12-19
09:42
A Radiation-Tolerant Readout System for the ALICE Inner Tracking System Upgrade / Schambach, J (Texas U.) ; Alme, J (Bergen U.) ; Bonora, M (CERN) ; Giubilato, P (CERN) ; Hannigan, R (Texas U.) ; Hillemanns, H (CERN) ; Lupi, M (CERN ; Frankfurt U.) ; Nesbø, S V (Bergen U.) ; Rehman, A (Bergen U.) ; Rinella, G Aglieri (CERN) et al.
During the LHC Long Shutdown in 2019/20, the ALICE collaboration will upgrade various detector sub-systems including the Inner Tracking System (ITS) based on Monolithic Active Pixel Sensor (MAPS) technology. The part of the upgraded ITS readout system installed in the experimental hall consists of 192 custom FPGA-based readout units that control and monitor the sensors and their power supply modules, receive the trigger and detector control information, and deliver the sensor data to the counting room. [...]
Nov. - 6 p. - Published in : 10.1109/NSSMIC.2018.8824419
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018, pp.1-6

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2019-11-30
04:01
System and event activity dependent inclusive jet production with ALICE / Hou, Yongzhen (Hua-Zhong Normal U., LQLP) /ALICE Collaboration
Jets are produced by processes involving high momentum transfer of initial partons at high energies. Comparing jet production in pp and nucleus-nucleus collisions will allow us to study the jet-quenching effect caused by the hot and dense QCD medium produced in nucleus-nucleus collisions when energetic partons traverse the medium. [...]
arXiv:1911.06000.- 2019-11-14 - 7 p. Fulltext: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019

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2019-11-29
07:03
Upgrade of ALICE forward detectors / Slupecki, Maciej (Jyvaskyla U.) /ALICE Collaboration
ALICE will upgrade its subsystems in 2019-2020 to fully benefit from the increased collision rate and luminosity of the LHC at CERN. Two new forward detectors will be installed at the core of ALICE: the Fast Interaction Trigger (FIT) and the Muon Forward Tracker (MFT). [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 255 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.255

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2019-11-27
10:26
Direct-photon elliptic flow in Pb-Pb collisions at $\sqrt{s_\rm{NN}}=2.76$ TeV / Sas, Mike (Utrecht U. (main) ; Nikhef, Amsterdam) /ALICE Collaboration
The elliptic flow of inclusive and direct photons was measured by ALICE for central and semi-central Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV. The photons were reconstructed using the electromagnetic calorimeter PHOS and the central tracking system. [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 442 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.442

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2019-11-27
10:26
Probing charm hadronisation with ALICE at the LHC / Bedda, Cristina (Utrecht U. (main)) /ALICE Collaboration
Charm-quark hadronisation can be investigated by measuring the relative abundance of various particle species, in particular non-strange D mesons ($\rm{D^0}$, $\rm{D^+}$, $\rm{D^{*+}}$), $\rm{D_s^+}$ mesons, and charm baryons ($\rm{\Lambda_{c}^+}$, $\rm{\Xi_c^0}$). The high precision tracking, excellent vertexing capabilities and particle identification granted by the ALICE apparatus allows hadrons containing charm quarks to be measured over a wide momentum range in pp and pA collisions. [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 311 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.311

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2019-11-26
06:24
Anisotropic flow of identified particles in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV with ALICE / Zhu, Ya (Hua-Zhong Normal U.) /ALICE Collaboration
Anisotropic flow plays a critical role in understanding the properties of the quark-gluon plasma. The elliptic and triangular flow at mid-rapidity of identified particles, including $\pi^{\pm}$, $\rm K^{\pm}$, $\rm p +\bar{p}$, $\phi$, $\rm K^{0}_{S}$, $\Lambda + \bar{\Lambda}$, $\Xi^{-}+\bar{\Xi}^{+}$ and $\Omega^{-}+\bar{\Omega}^{+}$ were measured by ALICE for Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV. [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 441 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.441

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2019-11-23
06:25
Transverse momentum distributions of charged particles in pp and nuclear collisions with ALICE at the LHC / Perez Lezama, Edgar (Darmstadt, GSI ; Goethe U., Frankfurt (main)) /ALICE Collaboration
The charged-particle transverse momentum spectrum in pp collisions is an important observable for testing perturbative QCD calculations and serves as a reference for heavy-ion collisions to study the properties of deconfined matter created in nucleus-nucleus (AA) collisions. The study of inclusive charged particle spectra gives information on parton energy loss in the medium created in AA collisions, leading to a suppression of hadron production at high transverse momentum ($p_{\rm T}$). [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 674 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.674

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2019-11-23
06:25
Spin alignment measurements of K$^{∗0}$ vector mesons with ALICE at the LHC / Kundu, Sourav (NISER, Jatni) /ALICE Collaboration
We present the recent spin alignment measurements of K$^{*0}$ vector mesons at mid-rapidity ($|y|$$<$0.5) in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV and 5.02 TeV and in pp collisions at $\sqrt{s}$ = 13 TeV, performed with the ALICE detector at the LHC. Spin alignment measurements of K$^{*0}$ vector mesons are performed with respect to the production plane and second order event plane. [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 671 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.671

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2019-11-23
06:25
Investigating jet modification in heavy-ion collisions at $\sqrt s_{NN}$ = 5.02 and 2.76 TeV with ALICE / Yokoyama, Hiroki (Tsukuba U. (main)) /ALICE Collaboration
The LHC heavy-ion physics program aims at investigating the fundamental properties of nuclear matter under extreme conditions of energy density and temperature, where a transition to a Quark-Gluon Plasma (QGP) is expected. Jets, defined as sprays of hadrons resulting from the fragmentation of high-energy partons, are among the most powerful probes of QGP transport properties. [...]
SISSA, 2019 - 4 p. - Published in : PoS ICHEP2018 (2019) 670 Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.670

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