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Supercooled water exhibits remarkably slow dynamics similar to the behavior observed for various glass-forming liquids. The local order of tetrahedral structures due to hydrogen-bonds (H-bonds) increases with decreasing temperature. Thus,…

Disordered Systems and Neural Networks · Physics 2018-06-26 Takuma Kikutsuji , Kang Kim , Nobuyuki Matubayasi

The time evolution of protons and $^3$He fragments from Au+Au/Pb+Pb reactions at 0.25, 2, and 20 GeV$/$nucleon is investigated with the potential version of the Ultrarelativistic Quantum Molecular Dynamics (UrQMD) model combined with the…

Nuclear Theory · Physics 2016-04-06 Qingfeng Li , Yongjia Wang , Xiaobao Wang , Caiwan Shen

The system-size dependence of hadrochemistry at vanishing baryon density is considered within the canonical statistical model (CSM) with local exact conservation of three conserved charges, allowing for a possibility of strangeness…

High Energy Physics - Phenomenology · Physics 2019-11-27 Volodymyr Vovchenko , Benjamin Dönigus , Horst Stoecker

The hump-backed plateau of the single inclusive distribution of hadrons inside a jet provides a standard test of the interplay between probabilistic parton splitting and quantum coherence in QCD. The medium-induced modification of this QCD…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nicolas Borghini , Urs Achim Wiedemann

We briefly discuss four different possible types of transitions from quark to hadronic matter and their characteristic signatures in terms of correlations. We also highlight the effects arising from mass modification of hadrons in hot and…

Nuclear Theory · Physics 2011-08-04 T. Csorgo , Sandra S. Padula

Recent experimental data from $pp$ collisions have shown a significant increase in heavy baryon production leading to a baryon over meson ratio which is one order of magnitude higher than elementary collisions ($e^+e^-$, $ep$). From a…

High Energy Physics - Phenomenology · Physics 2024-05-30 Vincenzo Minissale , Vincenzo Greco , Salvatore Plumari

The physical and chemical conditions in photodissociation regions (PDRs) are largely determined by the influence of far ultraviolet radiation. Far-UV photons can efficiently dissociate molecular hydrogen, a process that must be balanced at…

Astrophysics of Galaxies · Physics 2018-06-08 P. Castellanos , A. Candian , H. Andrews , A. G. G. M. Tielens

In this work, we calculate energy loss of heavy quark (charm and bottom) due to elastic collisions and gluon radiation in hot/dense medium. The collisional energy loss has been obtained using QCD calculations. The radiative energy loss is…

Nuclear Theory · Physics 2015-12-09 Kapil Saraswat , Prashant Shukla , Venktesh Singh

We examine the mechanisms by which atmosphere can be eroded by giant impacts onto Earth-like planets with thin atmospheres, using 3D smoothed particle hydrodynamics simulations with sufficient resolution to directly model the fate of…

Earth and Planetary Astrophysics · Physics 2020-07-22 J. A. Kegerreis , V. R. Eke , R. J. Massey , L. F. A. Teodoro

In this paper we continue the investigation of the effect of quantum number conservations of pions, kaons, and protons, with very high transverse momenta (up to 25 GeV/c), during parton fragmentation and hadronization in p-p and Pb-Pb…

High Energy Physics - Experiment · Physics 2015-02-06 Gyula Bencédi , Gergely Gábor Barnaföldi , Levente Molnár

Many of the planets discovered by the Kepler satellite are close orbiting Super-Earths or Mini-Neptunes. Such objects exhibit a wide spread of densities for similar masses. One possible explanation for this density spread is giant…

Earth and Planetary Astrophysics · Physics 2020-06-24 Thomas R. Denman , Zoe M. Leinhardt , Phil J. Carter , Christoph Mordasini

This article gives an overview of recent highlights from experimental measurements of heavy-ion collisions at ultra-relativistic energies: Measurements of electroweak probes constrain both the initial collision geometry and the nuclear…

Nuclear Experiment · Physics 2020-12-17 Yvonne Pachmayer

We investigate the loss rates of the hydrogen atmospheres of terrestrial planets with a range of masses and orbital distances by assuming a stellar extreme ultraviolet (EUV) luminosity that is 100 times stronger than that of the current…

Earth and Planetary Astrophysics · Physics 2016-04-27 N. V. Erkaev , H. Lammer , P. Odert , K. G. Kislyakova , C. P. Johnstone , M. Güdel , M. L. Khodachenko

First-principles Markov Chain Monte Carlo sampling is used to investigate uncertainty quantification and uncertainty propagation in parameters describing hydrogen kinetics. Specifically, we sample the posterior distribution of thirty-one…

Numerical Analysis · Mathematics 2018-03-12 John Bell , Marcus Day , Jonathan Goodman , Ray Grout , Matthias Morzfeld

D-meson suppression in Pb-Pb collisions at the LHC due to charm quark in-medium energy loss is estimated within a model that describes the available quenching measurements at RHIC. The result is compared to that previously published by the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Andrea Dainese

The growth of thin amorphous hydrogenated carbon films (a-C:H) on diamond (111) surface from the bombardment of CH2 radicals is studied using molecular dynamics simulations. The structural analysis shows that the local structure (e.g., the…

Materials Science · Physics 2014-11-27 Chuan-guo Zhang , Yong Yang , Ting Hao , Ming Zhang

We extract the freezeout hypersurface in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=$ 2760 GeV at the CERN Large Hadron Collider by analysing the data on transverse momentum spectra within a unified model for chemical and kinetic freezeout. The…

Nuclear Theory · Physics 2015-08-27 Sandeep Chatterjee , Bedangadas Mohanty , Ranbir Singh

We consider the fragmentation of heavy quarks into heavy-flavoured hadrons, specifically the production of charmed mesons in $e^+e^-$ collisions, at different centre-of-mass energies. We focus our attention on the ratio of moments of the…

High Energy Physics - Phenomenology · Physics 2024-09-04 Matteo Cacciari , Andrea Ghira , Simone Marzani , Giovanni Ridolfi

The parton branching process is known to be modified in the presence of a medium. Colour decoherence processes are known to determine the process of energy loss when the density of the medium is large enough to break the correlations…

High Energy Physics - Phenomenology · Physics 2014-10-22 Liliana Apolinário , Néstor Armesto , Guilherme Milhano , Carlos A. Salgado

Recent simulations of self-gravitating accretion discs, carried out using a three-dimensional Smoothed Particle Hydrodynamics (SPH) code by Meru and Bate, have been interpreted as implying that three-dimensional global discs fragment much…

Earth and Planetary Astrophysics · Physics 2015-06-03 W. K. M. Rice , D. H. Forgan , P. J. Armitage