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We present a Bayesian approach to particle identification (PID) within the ALICE experiment. The aim is to more effectively combine the particle identification capabilities of its various detectors. After a brief explanation of the adopted…

Data Analysis, Statistics and Probability · Physics 2016-05-30 ALICE Collaboration

First of all, we mention the situation of empirical analyses on 3rd order BEC (Bose-Einstein Correlation) at RHIC. Second, we introduce several theoretical formulae / approaches. Third we present our analyses of data in Au+Au at 130 GeV by…

Nuclear Theory · Physics 2012-07-05 Minoru Biyajima , Takuya Mizoguchi , Naomichi Suzuki

The measurement of identified charged-hadron production at mid-rapidity ($|y| < 0.5$) performed with the ALICE experiment at the LHC is presented for pp collisions at $\sqrt{s}$ = 900 GeV and 7 TeV and for Pb--Pb collisions at…

High Energy Physics - Experiment · Physics 2012-03-28 Roberto Preghenella

The ALICE Collaboration at the LHC has measured the J/$\psi$ and $\psi^{'}$ photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV. The charmonium is identified via its leptonic decay for events…

Nuclear Experiment · Physics 2014-11-10 ALICE Collaboration

A search for charginos nearly mass degenerate with the lightest neutralino is performed with the data collected by the ALEPH detector at LEP, at centre-of-mass energies between 189 and 209 GeV, corresponding to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration

The measurement of the cross-section for charm production in pp collisions at the LHC is not only a fundamental reference to investigate medium properties in heavy-ion collisions, but also a key test of pQCD predictions in a new energy…

High Energy Physics - Experiment · Physics 2011-12-07 Xianbao Yuan

We have performed a systematic study of J/$\psi$ and $\psi$(2S) production in p--p collisions at different Large Hadron Collider (LHC) energies and at different rapidities using the leading order non-relativistic quantum chromodynamics…

High Energy Physics - Phenomenology · Physics 2022-10-11 Biswarup Paul , Mahatsab Mandal , Pradip Roy , Sukalyan Chattapadhyay

In this work, a formalism is presented for the helicity amplitude analysis of the decays $\psi(2S) \to \gamma_1 \chi_{cJ},~ \chi_{cJ} \to \gamma_2 V (V=\rho^0,~\phi,~\omega)$~(the subscript 1,2 is used to distinguish the two radiative…

High Energy Physics - Phenomenology · Physics 2024-10-24 Yong-Qing Chen , Peng-Cheng Hong , Zhuo Chen , Wei Shan , Wei-Min Song

We report on the results of femtoscopic analyses of Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV and pp collisions at $\sqrt{s}$= 7 TeV with identical charged and neutral kaons. The femtoscopic correlations allow one to measure the…

High Energy Physics - Experiment · Physics 2019-08-21 L. V. Malinina

We present multiplicity and pseudorapidity distributions of inclusive photons at forward rapidity in proton-lead (p-Pb) collisions at $\sqrt{s\rm_{NN}}$ = 5.02 TeV using the data obtained from Photon Multiplicity Detector (PMD) of ALICE.…

High Energy Physics - Experiment · Physics 2022-09-21 Abhi Modak

ALICE is the dedicated heavy-ion experiment at the LHC. Its main physics goal is to study the properties of the strongly-interacting matter in the conditions of high energy density (>10 GeV/fm3) and high temperature (> 0.3 GeV) expected to…

Nuclear Experiment · Physics 2011-02-02 Renu Bala

The increase of hard probe production as a function of the charged particle multiplicity in proton-proton and proton-lead collisions is considered to be an interesting observable for the study of multiple parton interactions. In the present…

Nuclear Experiment · Physics 2018-08-06 Anisa Khatun

We present a systematic study of jet measurements in pp, p--Pb and Pb--Pb collisions using the ALICE detector at the LHC. Jet production cross sections are measured in pp collisions at $\sqrt{s}$ = 2.76 and 7~TeV, in p--Pb collisions at…

High Energy Physics - Experiment · Physics 2016-01-19 S. K. Prasad

We study the potential of future lepton colliders to probe violation of the CP symmetry in the top quark sector. In certain extensions of the Standard Model, such as the two-Higgs-doublet model (2HDM), sizeable anomalous top quark dipole…

High Energy Physics - Experiment · Physics 2018-04-04 W. Bernreuther , L. Chen , I. García , M. Perelló , R. Poeschl F. Richard , E. Ros , M. Vos

This paper presents the measurement of the isolated prompt photon inclusive production cross section in pp and p-Pb collisions by the ALICE Collaboration at the LHC. The measurement is performed in p-Pb collisions at centre-of-mass energies…

Nuclear Experiment · Physics 2026-02-19 ALICE Collaboration

A large Time Projection Chamber (TPC) is the main device for tracking and charged-particle identification in the ALICE experiment at the CERN LHC. After the second long shutdown in 2019-2020, the LHC will deliver Pb beams colliding at an…

Instrumentation and Detectors · Physics 2019-09-04 P. Gasik

Electroweak scale higgsinos with a nearly degenerate spectrum in supersymmetric models are well-motivated, but generally less constrained at collider experiments as the decay products are often too soft to detect. Initial photon fusions…

High Energy Physics - Phenomenology · Physics 2024-06-10 Hang Zhou , Ning Liu

ALICE experiment at LHC collects data in pp collisions at $\sqrt{s}$=0.9, 2.76 and 7 TeV and in PbPb collisions at 2.76 TeV. Highlights of the detector performance and an overview of experimental results measured with ALICE in pp and AA…

Nuclear Experiment · Physics 2019-08-13 Yuri Kharlov

Presented are the results of a detailed study for a complete simulation of the CMS detectors at the LHC in view of the expected modification of jet fragmentation functions in central Pb+Pb collisions at (s_NN)**0.5=5.5 TeV compared to the…

Nuclear Experiment · Physics 2019-08-13 C Loizides

Thanks to its unique capabilities the ALICE experiment can measure the production of identified particles and resonances over a wide momentum range both in pp and Pb-Pb collisions at the LHC. In this report, particle-identification…

High Energy Physics - Experiment · Physics 2019-08-13 Roberto Preghenella