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In order to characterize the transverse momentum spectra of positive pions measured in the ALICE experiment, two thermal approaches are utilized; one is based on degeneracy of non-perfect Bose-Einstein gas and the other imposes an {\it…

高能物理 - 唯象学 · 物理学 2019-06-07 Abdel Nasser Tawfik

A large Time Projection Chamber is the main device for tracking and charged-particle identification in the ALICE experiment at the CERN LHC. After the second long shutdown in 2019/20, the LHC will deliver Pb beams colliding at an…

仪器与探测器 · 物理学 2018-07-16 M. M. Aggarwal , Z. Ahammed , S. Aiola , J. Alme , T. Alt , W. Amend , A. Andronic , V. Anguelov , H. Appelshäuser , M. Arslandok , R. Averbeck , M. Ball , G. G. Barnaföldi , E. Bartsch , R. Bellwied , G. Bencedi , M. Berger , N. Bialas , P. Bialas , L. Bianchi , S. Biswas , L. Boldizsár , L. Bratrud , P. Braun-Munzinger , M. Bregant , C. L. Britton , E. J. Brucken , H. Caines , A. J. Castro , S. Chattopadhyay , P. Christiansen , L. G. Clonts , T. M. Cormier , S. Das , S. Dash , A. Deisting , S. Dittrich , A. K. Dubey , R. Ehlers , M. Engel , F. Erhardt , N. B. Ezell , L. Fabbietti , U. Frankenfeld , J. J. Gaardhøje , C. Garabatos , P. Gasik , Á. Gera , P. Ghosh , S. K. Ghosh , P. Glässel , O. Grachov , A. Grein , T. Gunji , H. Hamagaki , G. Hamar , J. W. Harris , P. Hauer , J. Hehner , E. Hellbär , H. Helstrup , T. E. Hilden , B. Hohlweger , M. Ivanov , M. Jung , D. Just , E. Kangasaho , R. Keidel , B. Ketzer , S. A. Khan , S. Kirsch , T. Klemenz , S. Klewin , A. G. Knospe , M. Kowalski , L. Kumar , R. Lang , R. Langoy , L. Lautner , F. Liebske , J. Lien , C. Lippmann , H. M. Ljunggren , W. J. Llope , S. Mahmood , T. Mahmoud , R. Majka , P. Malzacher , A. Marín , C. Markert , S. Masciocchi , A. Mathis , A. Matyja , M. Meres , D. L. Mihaylov , D. Miskowiec , J. Mitra , T. Mittelstaedt , T. Morhardt , J. Mulligan , R. H. Munzer , K. Münning , M. G. Munhoz , S. Muhuri , H. Murakami , B. K. Nandi , H. Natal da Luz , C. Nattrass , T. K. Nayak , R. A. Negrao De Oliveira , M. Nicassio , B. S. Nielsen , L. Oláh , A. Oskarsson , J. Otwinowski , K. Oyama , G. Paić , R. N. Patra , V. Peskov , M. Pikna , L. Pinsky , M. Planinic , M. G. Poghosyan , N. Poljak , F. Pompei , S. K. Prasad , C. A. Pruneau , J. Putschke , S. Raha , J. Rak , J. Rasson , V. Ratza , K. F. Read , A. Rehman , R. Renfordt , T. Richert , K. Røed , D. Röhrich , T. Rudzki , R. Sahoo , S. Sahoo , P. K. Sahu , J. Saini , B. Schaefer , J. Schambach , S. Scheid , C. Schmidt , H. R. Schmidt , N. V Schmidt , H. Schulte , K. Schweda , I. Selyuzhenkov , N. Sharma , D. Silvermyr , R. N. Singaraju , B. Sitar , N. Smirnov , S. P. Sorensen , F. Sozzi , J. Stachel , E. Stenlund , P. Strmen , I. Szarka , G. Tambave , K. Terasaki , A. Timmins , K. Ullaland , A. Utrobicic , D. Varga , R. Varma , A. Velure , V. Vislavicius , S. Voloshin , B. Voss , D. Vranic , J. Wiechula , S. Winkler , J. Wikne , B. Windelband , C. Zhao

The ALICE detector was designed to identify hadrons over a wide range of transverse momentum at mid-rapidity. Here measurements of light charged ({\pi}, K, p) and neutral ({\Lambda}, K0S) hadrons in Pb-Pb collisions at sqrt(s_NN) = 2.76 TeV…

核实验 · 物理学 2019-08-13 L. S. Barnby

Many of the interesting physics processes to be measured at the LHC have a signature involving one or more isolated electrons. The electron reconstruction and identification efficiencies of the ATLAS detector at the LHC have been evaluated…

高能物理 - 实验 · 物理学 2014-07-23 ATLAS Collaboration

ALICE is the heavy-ion experiment at the CERN Large Hadron Collider. The experiment continuously took data during the first physics campaign of the machine from fall 2009 until early 2013, using proton and lead-ion beams. In this paper we…

核实验 · 物理学 2015-08-13 ALICE Collaboration

Recent results on identified hadrons from the PHENIX experiment in Au+Au collisions at mid-rapidity at $\sqrt{s_{NN}}$ = 200 GeV are presented. The centrality dependence of transverse momentum distributions and particle ratios for…

核实验 · 物理学 2019-08-14 T. Chujo

We report on electron identification methods and their performance in the Belle experiment at the KEK-B asymmetric B-Factory $e^{+} e^{-}$ storage ring. Electrons are selected using a likelihood approach that takes information from the…

高能物理 - 实验 · 物理学 2008-11-26 K. Hanagaki , H. Kakuno , H. Ikeda , T. Iijima , T. Tsukamoto

We report on the first measurements of elliptic and triangular flow for charged pions, kaons and anti-protons in lead-lead collisions at 2.76 TeV measured with the ALICE detector at the LHC. We compare the observed mass splitting of…

核实验 · 物理学 2019-08-13 M. Krzewicki

Three spare modules of the ATLAS Tile Calorimeter were exposed to test beams from the Super Proton Synchrotron accelerator at CERN in 2017. The measurements of the energy response and resolution of the detector to positive pions and kaons…

The Time Projection Chamber is the main tracking and particle identification detector of the ALICE experiment. The high luminosities delivered by the CERN LHC in Run 2 (2015-2018) posed new challenges in terms of detector performance and…

仪器与探测器 · 物理学 2019-09-10 Ernst Hellbär

The ALICE experiment at the LHC has collected data in proton-proton (pp) collisions at $\sqrt{s}$ = 0.9, 2.76, 7 and 8 TeV, in lead-lead (Pb--Pb) collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV and in proton-lead (p-Pb) collisions at…

高能物理 - 实验 · 物理学 2019-08-21 Roberto Preghenella

The ALICE experiment at the LHC has collected wealthy data in proton-proton and lead-lead collisions. An overview of recent ALICE results is given in this paper. Hadron spectra measured in pp collisions at $\sqrt{s}=0.9$, 2.76 and 7 TeV are…

核实验 · 物理学 2019-08-13 Yuri Kharlov

The ALICE experiment is equipped with electromagnetic calorimeters of two different types: PHOS, the lead-tungstate photon spectrometer, and EMCAL, the sampling lead-scintillator calorimeter. These two detectors measure photon spectra in a…

高能物理 - 实验 · 物理学 2019-08-14 Yuri Kharlov

We present studies of electron identification (eID) in the MPD experiment at NICA using machine learning techniques. The goal is to improve electron identification efficiency while preserving high purity, which is crucial for dielectron…

高能物理 - 实验 · 物理学 2026-01-07 Sudhir Pandurang Rode

We have constructed a liquid Argon TPC detector with fiducial mass of 150 kg as a part of the R&D program of the next generation neutrino and nucleon decay detector. This paper describes a study of particle identification performance of the…

Multiplicity distributions of charged particles for pp collisions at LHC Run 1 energies, from $\sqrt{s}=$ 0.9 to 8 TeV are measured over a wide pseudorapidity range ($-3.4<\eta<5.0$) for the first time. The results are obtained using the…

高能物理 - 实验 · 物理学 2019-08-13 Valentina Zaccolo

The ALICE experiment is a dedicated heavy ion physics detector at the LHC with unique capabilities for studying identified particle production. In this proceeding preliminary results for RAA for pi and K+p (sum), are reported, based on…

核实验 · 物理学 2019-08-21 Peter Christiansen

The construction of a new detector is proposed to extend the capabilities of ALICE in the high transverse momentum (pT) region. This Very High Momentum Particle Identification Detector (VHMPID) performs charged hadron identification on a…

The ALICE experiment at LHC studies the strong interaction sector of the Standard Model with pp, pA and AA collisions. Within the scope of the physics program, measurements of photons, neutral mesons and jets in ALICE are performed by two…

仪器与探测器 · 物理学 2018-10-11 Yuri Kharlov