CERN Accelerating science

ALICE Conference Contributions

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2022-07-01
08:35
Development of the Safety System for the Inner Tracking System of the ALICE Experiment / Blanc, Pascal Herve (CERN) ; Mendez Lorenzo, Patricia (CERN) ; Pons, Xavier (CERN) /ALICE ITS Collaboration
During the LHC Long Shutdown 2, the ALICE experiment has undergone numerous upgrades to cope with the large amount of data expected. Among all new elements integrated into ALICE, the experiment counts with a new Inner Tracking System (ITS), with innovative pixel sensors that will substantially improve the performance of the system. [...]
2021 - 9 p. - Published in : EPJ Web Conf. 251 (2021) 04004 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.04004

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2022-07-01
08:35
The first disk-based custodial storage for the ALICE experiment / Un Ahn, Sang  (KISTI, Daejeon) ; Kim, Jeongheon (KISTI, Daejeon) ; Han, Heejune (KISTI, Daejeon) ; Lee, Seung Hee (KISTI, Daejeon) ; Yoon, Heejun (KISTI, Daejeon)
We proposed a disk-based custodial storage as an alternative to tape for the ALICE experiment at CERN to preserve its raw data. The proposed storage system relies on Redundant Array of Independent Nodes (RAIN) layout – the implementation of erasure coding in the EOS storage suite, which is developed by CERN – for data protection and takes full advantage of high-density Just-Bunch-Of-Disks (JBOD) enclosures to maximize storage capacity as well as to achieve cost-effectiveness comparable to tape. [...]
2021 - 7 p. - Published in : EPJ Web Conf. 251 (2021) 02051 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.02051

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2022-06-29
04:55
Upgrade of the ALICE experiment beyond LHC Run 3 / Colella, Domenico (INFN, Bari)
The ALICE Collaboration completed the upgrade of the detector and is now commissioning for the beginning of the data taking during LHC Run 3. [...]
arXiv:2206.13247.
- 13 p.
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2022-06-26
06:02
Heavy Ions in 2018 / Schaumann, M (CERN) ; Jowett, J M (CERN)
The last month of operation in 2018 will be devoted to lead-lead (Pb-Pb) physics, while no protons will be available from the injectors. In the history of the LHC this is only the 4th Pb-Pb run, but the initial 10 years LHC design goal of 1 nb $^{-1}$ of Pb-Pb luminosity in ALICE, ATLAS and CMS is already in reach. At this early stage, studies and discussions are still going on and it is not yet possible to decide all details of the run configuration. [...]
2019 - 5 p. - Published in : (2019) , pp. 197-201 Fulltext: PDF;
In : 8th Evian Workshop on LHC beam operation, Evian Les Bains, France, 12 - 14 Dec 2017, pp.197-201

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2022-06-02
06:29
Studying the $a_0$(980) tetraquark candidate using $K^0_s K^{\pm}$ interactions in the LHC ALICE collaboration / Humanic, Thomas (Ohio State U.) /ALICE Collaboration
The a0(980) meson has been considered a tetraquark candidate for over 40 years, but its actual quark content remains in question. The ALICE Collaboration has carried out measurements of K0 SK ± interactions with pp collisions at √ s = 7 TeV and Pb-Pb collisions at √ sNN = 2.76 TeV to study the a0(980) using the method of two-particle femtoscopy. [...]
2022 - 4 p. - Published in : Rev. Mex. Fis. Suppl. 3 (2022) 0308039 Fulltext: PDF;

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2022-05-26
04:43
Jet substructure in pp collisions with ALICE / Lesser, Ezra (UC, Berkeley)
Jet substructure observables have been used by experiments at the Large Hadron Collider (LHC) as instruments to search for new physics as well as to study perturbative and nonperturbative processes in quantum chromodynamics (QCD). [...]
arXiv:2205.11583.
- 4 p.
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2022-05-19
09:00
Charm Quark Hadronisation Studies In pp Collisions With ALICE / Wilkinson, Jeremy (Darmstadt, GSI)
In this contribution, the latest results for measurements of charm baryons in proton--proton collisions at $\sqrt{s}=5.02$ and $13\,\mathrm{TeV}$ are presented. [...]
arXiv:2205.07196.
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2022-04-22
11:26
Alice实验内径迹系统探测器升级 / Zhang, Biao (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Zhang, Li-ang (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Deng, Wenjing (Hua-Zhong Normal U.) ; Liu, Jun (Hua-Zhong Normal U.) ; Zhang, Wenjing (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Liu, Donghai (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Tan, Yalei (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Wang, Yaping (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Sun, Xiangming (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) ; Yin, Zhongbao (CCNU, Wuhan, Inst. Part. Phys. ; Hua-Zhong Normal U., LQLP) et al.
A Large Ion Collider Experiment(ALICE) at the Large Hadron Collider(LHC) at CERN will undergo a major upgrade during the 2nd LHC Long Shutdown(LS2) scheduled in 2019~2021 that will allow to study in detail of strong interaction matter Quark-Gluon Plasma(QGP) properties. To collecting more Pb-Pb events during the Run 3 and Run 4, the replacement of the existing Inner Tracking System(ITS) with a completely new ultra-light high resolution detector based on Monolithic Active Pixel Sensors(MAPS) technique is one of the cornerstones within this upgrade program. [...]
2020 - 8 p. - Published in : Nucl. Phys. Rev. 37 (2020) 734-741 Fulltext: PDF;
In : 17th Conference on Nuclear Physics in China, Wuhan, China, 8 - 12 Oct 2019, pp.734-741

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2022-04-16
04:07
Using Machine Learning for Particle Identification in ALICE / Graczykowski, Łukasz Kamil (Warsaw U. of Tech.) ; Jakubowska, Monika (Warsaw U. of Tech.) ; Deja, Kamil Rafał (Warsaw U. of Tech.) ; Kabus, Maja (Warsaw U. of Tech.)
Particle identification (PID) is one of the main strengths of the ALICE experiment at the LHC. [...]
arXiv:2204.06900.
- 12 p.
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2022-03-12
11:25
New measurements in the quarkonium sector with focus on new discriminatory observables / Kim, Minjung (Heidelberg U.) /ALICE Collaboration ; ATLAS Collaboration ; CMS Collaboration ; LHCb Collaboration
Measurements of quarkonium production are valuable probes of the hot and dense medium created in heavy-ion collisions. The large data sample collected at the LHC provides a wealth of quarkonium measurements including a multitude of new observables. [...]
SISSA, 2021 - 7 p. - Published in : PoS LHCP2021 (2021) 054 Fulltext: PDF;
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, GB, 7 - 12 Jun 2021, pp.054

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