HYDrodynamics with JETs (HYDJET++): Latest Developments and Results
Analysis of the (i) charge balance function and (ii) fluctuations of the net electric charge of hadrons in <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>P</mi><mi>b</mi></m...
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MDPI AG
2025-04-01
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| author | Garnik Ambaryan Larissa Bravina Alexey Chernyshov Gyulnara Eyyubova Vladimir Korotkikh Igor Lokhtin Sergei Petrushanko Alexandr Snigirev Evgeny Zabrodin |
| author_facet | Garnik Ambaryan Larissa Bravina Alexey Chernyshov Gyulnara Eyyubova Vladimir Korotkikh Igor Lokhtin Sergei Petrushanko Alexandr Snigirev Evgeny Zabrodin |
| author_sort | Garnik Ambaryan |
| collection | DOAJ |
| description | Analysis of the (i) charge balance function and (ii) fluctuations of the net electric charge of hadrons in <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>P</mi><mi>b</mi></mrow></semantics></math></inline-formula>+<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>P</mi><mi>b</mi></mrow></semantics></math></inline-formula> collisions at center-of-mass energy 2.76 TeV per nucleon pair was performed within a two-component <span style="font-variant: small-caps;">hydjet++</span> model. It is shown that neither the widths of the balance function nor the strongly intensive quantities, <i>D</i> and Σ, used to describe the net-charge fluctuations, can be reproduced within the model based on a grand canonical ensemble approach for generating multiparticle production. To solve this problem, it is necessary to take into account exact charge conservation in an event-by-event basis. The corresponding procedure was developed and implemented in the modified <span style="font-variant: small-caps;">hydjet++</span> model. It provides a fair description of the experimental data. |
| format | Article |
| id | doaj-art-19b29f3cab2d4d9ca9f71d8d9614b166 |
| institution | DOAJ |
| issn | 2571-712X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Particles |
| spelling | doaj-art-19b29f3cab2d4d9ca9f71d8d9614b1662025-08-20T03:16:35ZengMDPI AGParticles2571-712X2025-04-01823510.3390/particles8020035HYDrodynamics with JETs (HYDJET++): Latest Developments and ResultsGarnik Ambaryan0Larissa Bravina1Alexey Chernyshov2Gyulnara Eyyubova3Vladimir Korotkikh4Igor Lokhtin5Sergei Petrushanko6Alexandr Snigirev7Evgeny Zabrodin8Physics Department, Lomonosov Moscow State University, RU-119991 Moscow, RussiaDepartment of Physics, University of Oslo, PB 1048 Blindern, N-0316 Oslo, NorwayPhysics Department, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaSkobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, RU-119991 Moscow, RussiaAnalysis of the (i) charge balance function and (ii) fluctuations of the net electric charge of hadrons in <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>P</mi><mi>b</mi></mrow></semantics></math></inline-formula>+<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>P</mi><mi>b</mi></mrow></semantics></math></inline-formula> collisions at center-of-mass energy 2.76 TeV per nucleon pair was performed within a two-component <span style="font-variant: small-caps;">hydjet++</span> model. It is shown that neither the widths of the balance function nor the strongly intensive quantities, <i>D</i> and Σ, used to describe the net-charge fluctuations, can be reproduced within the model based on a grand canonical ensemble approach for generating multiparticle production. To solve this problem, it is necessary to take into account exact charge conservation in an event-by-event basis. The corresponding procedure was developed and implemented in the modified <span style="font-variant: small-caps;">hydjet++</span> model. It provides a fair description of the experimental data.https://www.mdpi.com/2571-712X/8/2/35relativistic heavy-ion collisionshybrid modelsbalance functionnet-charge fluctuationscanonical charge conservation |
| spellingShingle | Garnik Ambaryan Larissa Bravina Alexey Chernyshov Gyulnara Eyyubova Vladimir Korotkikh Igor Lokhtin Sergei Petrushanko Alexandr Snigirev Evgeny Zabrodin HYDrodynamics with JETs (HYDJET++): Latest Developments and Results Particles relativistic heavy-ion collisions hybrid models balance function net-charge fluctuations canonical charge conservation |
| title | HYDrodynamics with JETs (HYDJET++): Latest Developments and Results |
| title_full | HYDrodynamics with JETs (HYDJET++): Latest Developments and Results |
| title_fullStr | HYDrodynamics with JETs (HYDJET++): Latest Developments and Results |
| title_full_unstemmed | HYDrodynamics with JETs (HYDJET++): Latest Developments and Results |
| title_short | HYDrodynamics with JETs (HYDJET++): Latest Developments and Results |
| title_sort | hydrodynamics with jets hydjet latest developments and results |
| topic | relativistic heavy-ion collisions hybrid models balance function net-charge fluctuations canonical charge conservation |
| url | https://www.mdpi.com/2571-712X/8/2/35 |
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