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Related papers: Quark Flavor Balancing in Nuclear Collisions

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The balance function is a new observable based on the principle that charge is locally conserved when particles are pair produced. Balance functions have been measured for charged particle pairs and identified charged pion pairs in Au+Au…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Balance functions have been measured for charged particle pairs, identified charged pion pairs, and identified charged kaon pairs in Au+Au, d+Au, and p+p collisions at $\sqrt{s_{NN}}$ = 200 GeV at the Relativistic Heavy Ion Collider using…

Nuclear Experiment · Physics 2015-03-17 The STAR Collaboration , M. M. Aggarwal

We report on two-particle charge-dependent correlations in pp, p-Pb, and Pb-Pb collisions as a function of the pseudorapidity and azimuthal angle difference, $\mathrm{\Delta}\eta$ and $\mathrm{\Delta}\varphi$ respectively. These…

Nuclear Experiment · Physics 2016-03-25 ALICE Collaboration

Heavy flavor research is a vigorous and active topic in high-energy QCD physics. Comparing theoretical predictions to data as a function of flavor provides a unique opportunity to tease out properties of quark-gluon plasma. We explicitly…

Nuclear Theory · Physics 2015-06-11 W. A. Horowitz

Measurements of the charge-dependent two-particle angular correlation function in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV and lead-lead (PbPb) collisions at…

Nuclear Experiment · Physics 2024-08-29 CMS Collaboration

In pp collisions at LHC energies, heavy quarks are produced in initial hard scatterings and then these quarks hadronize in either open heavy-flavor hadrons or quarkonia (e.g. J/$\psi$, $\psi(2S)$, $\Upsilon$). The study of quarkonium…

Nuclear Experiment · Physics 2020-09-24 Yanchun Ding

We employ the POWLANG transport setup, developed over the last few years, to provide new predictions for several heavy-flavour observables in relativistic heavy-ion collisions from RHIC to LHC center-of-mass energies. In particular, we…

High Energy Physics - Phenomenology · Physics 2018-04-04 Andrea Beraudo , Arturo De Pace , Marco Monteno , Marzia Nardi , Francesco Prino

The measurement of the production of particles coming from hard scattering processes covers a fundamental role in the characterization of the system formed in heavy-ion collisions, allowing to probe the microscopic processes underlying the…

High Energy Physics - Experiment · Physics 2015-11-16 Andrea Rossi

The Froggatt-Nielsen (FN) mechanism is an elegant solution to the flavor problem. In its minimal application to the quark sector, the different quark types and generations have different charges under a $U(1)_X$ flavor symmetry. The SM…

High Energy Physics - Phenomenology · Physics 2025-01-08 Claudia Cornella , David Curtin , Ethan T. Neil , Jedidiah O. Thompson

Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV. The events are required to contain one oppositely charged…

High Energy Physics - Experiment · Physics 2022-06-22 CMS Collaboration

Event classifiers based either on the charged-particle multiplicity or the event shape have been extensively used in proton-proton (pp) collisions by the ALICE collaboration at the LHC. The use of these tools became very instrumental since…

High Energy Physics - Phenomenology · Physics 2023-04-26 Antonio Ortiz , Arvind Khuntia , Omar Vázquez-Rueda , Sushanta Tripathy , Gyula Bencedi , Suraj Prasad , Feng Fan

Event-by-event fluctuations and correlations between particles produced in relativistic nuclear collisions are studied. The fluctuations in positive, negative, total and net charge are closely related through correlations. In the event of a…

Nuclear Theory · Physics 2008-11-26 H. Heiselberg , A. D. Jackson

We discuss the phenomenology of effective field theories with new scalar or vector representations of the Standard Model quark flavor symmetry group, allowing for large flavor breaking involving the third generation. Such field content can…

High Energy Physics - Phenomenology · Physics 2015-05-30 Benjamin Grinstein , Alexander L. Kagan , Michael Trott , Jure Zupan

Due to the large masses of beauty and charm quarks, their production cross sections can be computed in the framework of perturbative Quantum Chromodynamics. The correlation of quarkonium and open heavy-flavour hadron yields with charged…

High Energy Physics - Experiment · Physics 2019-08-13 Lizardo Valencia Palomo

In this thesis, I introduce a new bottom-up approach to quantum field theory and collider physics, beginning from the observable energy flow: the energy distribution produced by particle collisions. First, I establish a metric space for…

High Energy Physics - Phenomenology · Physics 2020-08-13 Eric M. Metodiev

We have systematically studied the connection between hadron and its quark component nuclear modification factors and the flavor (mass) ordering at both parton and hadron levels in the nucleus-nucleus collisions at the LHC energies by the…

High Energy Physics - Phenomenology · Physics 2023-06-07 An-Ke Lei , Dai-Mei Zhou , Yu-Liang Yan , Du-Juan Wang , Xiao-Mei Li , Gang Chen , Xu Cai , Ben-Hao Sa

We apply an equal-velocity quark combination model to study the production of light-flavor hadrons and single-charmed hadrons at midrapidity in $pp$ collisions at $\sqrt{s}=5.02$ TeV. We find experimental data for $p_{T}$ spectra of…

High Energy Physics - Phenomenology · Physics 2021-11-17 Hai-hong Li , Feng-lan Shao , Jun Song

Recent results from ALICE and CMS show a low-transverse-momentum enhancement of charm baryon-to-meson production ratios over model predictions based on $e^+e^-$ collisions. This new development challenges the universality of fragmentation.…

High Energy Physics - Phenomenology · Physics 2024-02-05 Róbert Vértesi , Zoltán Varga

The future Electron-Ion Collider will utilize high-luminosity high-energy electron+proton ($e+p$) and electron+nucleus ($e+A$) collisions to solve several fundamental questions in the high energy nuclear physics field. Heavy flavor products…

Nuclear Experiment · Physics 2024-08-06 Xuan Li
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