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We revisit the use of ideal hydrodynamics to describe bulk- and multistrange-hadron observables in nuclear collisions at the Relativistic Heavy Ion Collider. Toward this end we augment the 2+1-dimensional code "AZHYDRO" by employing (a) an…

Nuclear Theory · Physics 2015-06-03 Min He , Rainer J. Fries , Ralf Rapp

In this paper, for the first time a method is proposed to compute electromagnetic effects in hadronic processes using lattice simulations. The method can be applied, for example, to the leptonic and semileptonic decays of light or heavy…

High Energy Physics - Lattice · Physics 2015-06-23 N. Carrasco , V. Lubicz , G. Martinelli , C. T. Sachrajda , N. Tantalo , C. Tarantino , M. Testa

This paper explores the enhancement of solution diversity in evolutionary algorithms (EAs) for the maximum matching problem, concentrating on complete bipartite graphs and paths. We adopt binary string encoding for matchings and use Hamming…

Neural and Evolutionary Computing · Computer Science 2024-04-19 Jonathan Gadea Harder , Aneta Neumann , Frank Neumann

We consider a minimal extension of the Standard Model with one singlet neutrino per generation that can realize resonant leptogenesis at the electroweak scale. In particular, the baryon asymmetry in the Universe can be created by resonant…

High Energy Physics - Phenomenology · Physics 2009-11-10 Apostolos Pilaftsis

There are still some important unanswered questions about the detailed particle acceleration and escape occurring during the quiescent epoches. As a result, the particle distribution that is adopted in the blazar quiescent spectral model…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Y. G. Zheng , S. J. Kang , C. Y. Yang , J. M. Bai

Recent years have seen a growing interest in the thermodynamic cost of dissipative structures formed by active particles. Given the strong finite-size effects of such systems, it is essential to develop efficient numerical approaches that…

Soft Condensed Matter · Physics 2025-03-24 Ki-Won Kim , Euijoon Kwon , Yongjoo Baek

Blazars may accelerate protons and/or nuclei as well as electrons. The hadronic component of accelerated particles in blazars may constitute the bulk of their high-energy budget; nevertheless, this component is elusive due to a high value…

High Energy Astrophysical Phenomena · Physics 2022-08-09 T. A. Dzhatdoev , E. V. Khalikov , V. S. Latypova , E. I. Podlesnyi , I. A. Vaiman

Interpreting the spectral energy distributions (SEDs) of astrophysical objects with physically motivated models is computationally expensive. These models require solving coupled differential equations in high-dimensional parameter spaces,…

The origin of extragalactic high-energy neutrinos remains a major mystery in astrophysics, with blazars as leading candidate sources. The widely adopted one-zone leptohadronic jet model, however, faces severe challenges from stringent X-ray…

High Energy Astrophysical Phenomena · Physics 2026-05-26 Wei-Jian Li , Rui Xue , Ze-Rui Wang , Dingrong Xiong

LCODE is a freely-distributed quasistatic 2D3V code for simulating plasma wakefield acceleration, mainly specialized at resource-efficient studies of long-term propagation of ultrarelativistic particle beams in plasmas. The beam is modeled…

Plasma Physics · Physics 2016-08-03 Alexander Sosedkin , Konstantin Lotov

We describe ZEUS-MP: a Multi-Physics, Massively-Parallel, Message-Passing code for astrophysical fluid dynamics simulations in 3 dimensions. ZEUS-MP is a follow-on to the sequential ZEUS-2D and ZEUS-3D codes developed and disseminated by…

Astrophysics · Physics 2007-05-23 Michael L. Norman

This paper presents a new code for performing multidimensional radiation hydrodynamic (RHD) simulations on parallel computers involving anisotropic radiation fields and nonequilibrium effects. The radiation evolution modules described here…

Astrophysics · Physics 2009-11-07 John C. Hayes , Michael L. Norman

The observation of IceCube-170922A event from the direction of TXS 0506+056 when it was in its enhanced $\gamma$-ray emission state offers a unique opportunity to investigate the lepto-hadronic processes in blazar jets. Here, the observed…

High Energy Astrophysical Phenomena · Physics 2018-10-24 N. Sahakyan

Machine learning has emerged as a powerful solution to the modern challenges in accelerator physics. However, the limited availability of beam time, the computational cost of simulations, and the high-dimensionality of optimisation problems…

Accelerator Physics · Physics 2024-05-30 Jan Kaiser , Chenran Xu , Annika Eichler , Andrea Santamaria Garcia

We report the investigation of the kinetic freeze-out properties of identified hadrons ($\pi^\pm$, $K^\pm$ and $p(\bar p)$) along with light (anti-)nuclei $d (\bar d)$, $t (\bar t)$ and ${}^{3}He$ in relativistic heavy-ion collisions at…

Nuclear Theory · Physics 2024-05-24 Junaid Tariq , M. U. Ashraf , Grigory Nigmatkulov

We point out at the peculiarity of B --> mu nu decay, namely the enhancement of the soft photon events which originate from the structure dependent part of the B --> mu nu gamma amplitude. This may be a dominant source of systematic…

High Energy Physics - Phenomenology · Physics 2009-11-05 Damir Becirevic , Benjamin Haas , Emi Kou

We compare the rise and decay timescales of $\sim$200 long-term ($\sim$weeks-months) GeV and R-band outbursts and $\sim$25 short-term ($\sim$hr-day) GeV flares in a sample of 10 blazars using light curves from the Fermi-LAT and the…

Astrophysics of Galaxies · Physics 2018-10-24 Namrata Roy , Ritaban Chatterjee , Manasvita Joshi , Aritra Ghosh

The description of quantum many-body dynamics is extremely challenging on classical computers, as it can involve many degrees of freedom. On the other hand, the time evolution of quantum states is a natural application for quantum computers…

Quantum Physics · Physics 2025-08-20 Ronen Weiss , Alessandro Baroni , Joseph Carlson , Ionel Stetcu

Status of tau lepton decay Monte Carlo generator TAUOLA, its main applications and recent developments are reviewed. It is underlined, that in recent efforts on development of new hadronic currents, the multi-dimensional nature of…

High Energy Physics - Phenomenology · Physics 2016-12-04 Z. Was

We present a method to resolve combinatorial issues in multi-particle final states at hadron colliders. The use of kinematic variables such as MT2 and invariant mass significantly reduces combinatorial ambiguities in the signal, but at a…

High Energy Physics - Phenomenology · Physics 2015-05-30 Philip Baringer , Kyoungchul Kong , Mathew McCaskey , Daniel Noonan