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Production of strange hadrons in elementary and heavy-ion reactions is studied with the hadronic transport approach SMASH (Simulating Many Accelerated Strongly-interacting Hadrons). The poorly known branching ratios of the relevant hadronic…

Nuclear Theory · Physics 2019-07-03 V. Steinberg , J. Staudenmaier , D. Oliinychenko , F. Li , Ö. Erkiner , H. Elfner

The microscopic description of heavy-ion reactions at low beam energies is achieved within hadronic transport approaches. In this article a new approach SMASH (Simulating Many Accelerated Strongly-interacting Hadrons) is introduced and…

In this article we present an overview of the SMASH hadronic transport approach that is applied for non-equilibrium dynamics of hadrons in \heavyion\ collisions. We will give an overview about the ingredients of the approach and the…

Nuclear Theory · Physics 2025-01-07 A. Sciarra , H. Elfner

Hadronic interactions are crucial for the dynamical description of heavy-ion reactions at low collision energies and in the late dilute stages at high collision energies. In particular, the properties and decay channels of resonances are an…

Nuclear Theory · Physics 2019-12-23 Vinzent Steinberg , Jan Steinheimer , Hannah Elfner , Marcus Bleicher

We propose a novel strategy for disentangling proton collisions at hadron colliders such as the LHC that considerably improves over the current state of the art. Employing a metric inspired by optimal transport problems as the cost function…

High Energy Physics - Phenomenology · Physics 2023-11-07 Loukas Gouskos , Fabio Iemmi , Sascha Liechti , Benedikt Maier , Vinicius Mikuni , Huilin Qu

We give a reminder on the major inputs of microscopic hadronic transport models and on the physics aims when describing various aspects of relativistic heavy ion collisions at SPS energies. We then first stress that the situation of…

Nuclear Theory · Physics 2009-11-07 Carsten Greiner

The expansion and hadronization of a quark meson plasma is studied using an effective chiral interaction Lagrangian. The particles we consider are light as well as strange quarks, which can form pions, kaons and eta mesons via collision…

High Energy Physics - Phenomenology · Physics 2009-10-31 P. Rehberg , J. Aichelin

In this work, the production of photons through binary scattering processes is investigated for equilibrated hadronic systems. More precisely, a non-equilibrium hadronic transport approach to describe relativistic heavy-ion collisions is…

Genetic algorithms are high-level heuristic optimization methods which enjoy great popularity thanks to their intuitive description, flexibility, and, of course, effectiveness. The optimization procedure is based on the evolution of…

Probability · Mathematics 2026-03-27 Giacomo Borghi

The observation of resonances is unequivocal evidence of new physics beyond the Standard Model at the Large Hadron Collider (LHC). So far, inclusive and model dependent searches have not provided evidence of new resonances, indicating that…

High Energy Physics - Experiment · Physics 2021-11-29 Salah-eddine Dahbi , Joshua Choma , Bruce Mellado , Gaogalalwe Mokgatitswane , Xifeng Ruan , Benjamin Lieberman , Turgay Celik

The chemical freeze-out of hadrons created in the high energy nuclear collisions is studied within the realistic version of the hadron resonance gas model. The chemical non-equilibrium of strange particles is accounted via the usual…

High Energy Physics - Phenomenology · Physics 2014-11-21 V. V. Sagun , D. R. Oliinychenko , K. A. Bugaev , J. Cleymans , A. I. Ivanytskyi , I. N. Mishustin , E. G. Nikonov

We study, within the statistical hadronization model, the influence of narrow strangeness carrying baryon resonances (pentaquarks) on the understanding of particle production in relativistic heavy ion collisions. There is a great variation…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Letessier , G. Torrieri , S. Steinke , J. Rafelski

We review recent developments in the field of microscopic transport model calculations for ultrarelativistic heavy ion collisions. In particular, we focus on the strangeness production, for example, the phi-meson and its role as a messenger…

Nuclear Theory · Physics 2009-11-10 Sven Soff

Recent lattice QCD results, comparing to a hadron resonance gas model, have shown the need for hundreds of particles in hadronic models. These extra particles influence both the equation of state and hadronic interactions within hadron…

High Energy Physics - Phenomenology · Physics 2022-07-21 J. Salinas San Martin , J. Noronha-Hostler , H. Elfner , J. Hammelmann , R. Hirayama

We propose to use the thermal model with the multi-component hard-core radii to describe the hadron yield ratios from the low AGS to the highest RHIC energies. It is demonstrated that the variation of the hard-core radii of pions and kaons…

High Energy Physics - Phenomenology · Physics 2013-03-27 K. A. Bugaev , D. R. Oliinychenko , A. S. Sorin , G. M. Zinovjev

In many situations, simulation models are developed to handle complex real-world business optimisation problems. For example, a discrete-event simulation model is used to simulate the trailer management process in a big Fast-Moving Consumer…

Neural and Evolutionary Computing · Computer Science 2019-07-18 Dylan Rijnen , Jason Rhuggenaath , Paulo R. de O. da Costa , Yingqian Zhang

Machine learning systems operate under the assumption that training and test data are sampled from a fixed probability distribution. However, this assumptions is rarely verified in practice, as the conditions upon which data was acquired…

Machine Learning · Computer Science 2025-07-09 Eduardo Fernandes Montesuma , Fred Maurice Ngolè Mboula , Antoine Souloumiac

We introduce Resonant Anomaly Detection with Optimal Transport (RAD-OT), a method for generating signal templates in resonant anomaly detection searches. RAD-OT leverages the fact that the conditional probability density of the target…

High Energy Physics - Phenomenology · Physics 2024-07-30 Matthew Leigh , Debajyoti Sengupta , Benjamin Nachman , Tobias Golling

In these lectures I review the foundations and the applications of the statistical hadronization model to elementary and relativistic heavy ion collisions. The role of strangeness production and the general interpretation of results is…

High Energy Physics - Phenomenology · Physics 2009-01-26 F. Becattini

An effective model with constituent quarks as fundamental degrees of freedom is used to predict the relative strangeness production pattern in both high energy elementary and heavy ion collisions. The basic picture is that of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Becattini , G. Pettini
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