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Related papers: A Comprehensive Hadronic Code Comparison for Activ…

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In this second research note of a series of two, we present the first near-infrared results we obtained when modeling Active Galactic Nuclei (AGN). Our first proceedings showed the comparison between the MontAGN and STOKES Monte Carlo…

Astrophysics of Galaxies · Physics 2016-10-18 F. Marin , L. Grosset , R. Goosmann , D. Gratadour , D. Rouan , Y. Clénet , D. Pelat , P. Andrea Rojas Lobos

Due to the coherence of all the protons in a nucleus, there are very strong electromagnetic fields of short duration in relativistic heavy ion collisions. They give rise to quasireal photon-photon and photon-nucleus collisions with a large…

High Energy Physics - Phenomenology · Physics 2016-09-06 K. Hencken , P. Stagnoli , D. Trautmann , G. Baur

We present a comparison between independent computer codes, modeling the physics and chemistry of interstellar photon dominated regions (PDRs). Our goal was to understand the mutual differences in the PDR codes and their effects on the…

Correlation functions of hadrons can be accessed in high-energy collisions of atomic nuclei, revealing information about the underlying interaction. This work complements experimental efforts to study nucleon-deuteron $Nd$ -- with $N=p$…

Nuclear Theory · Physics 2023-06-06 M. Viviani , S. König , A. Kievsky , L. E. Marcucci , B. Singh , O. Vázquez Doce

We present a general method for incorporating the electromagnetic interaction into descriptions of hadronic processes based on four-dimensional scattering integral equations. The method involves the idea of gauging the scattering equations…

Nuclear Theory · Physics 2009-10-30 A. N. Kvinikhidze , B. Blankleider

A search for supersymmetry in events with four or more charged leptons (electrons, muons and $\tau$-leptons) is presented. The analysis uses a data sample corresponding to $139\,\mbox{fb\(^{-1}\)}$ of proton-proton collisions delivered by…

High Energy Physics - Experiment · Physics 2021-11-25 ATLAS Collaboration

We perform a systematic comparison of the statistical model parametrization of hadron abundances measured in high energy pp, AA and e+e- collisions. The basic aim of the study is to test if the quality of the description depends on the…

High Energy Physics - Phenomenology · Physics 2014-11-20 F. Becattini , P. Castorina , A. Milov , H. Satz

The nearby active galaxy NGC 1275, has widely been detected from radio to gamma rays. Its spectral energy distribution (SED) shows a double-peak feature, which is well explained by synchrotron self-Compton (SSC) model. However, recent TeV…

High Energy Astrophysical Phenomena · Physics 2015-05-14 N. Fraija , A. Marinelli , U. Luviano-Valenzuela , A. Galván-Gaméz , C. Peterson-Bórquez

We present a description of our numerical code BLAZAR. This code calculates spectra and light curves of blazars during outbursts. The code is based on a model in which the non-thermal flares in blazars are produced in thin shells…

Astrophysics · Physics 2009-11-07 R. Moderski , M. Sikora , M. Blazejowski

An analysis of muon and hadron rates observed in the central detector of the KASCADE experiment has been carried out. The data are compared to CORSIKA simulations employing the high-energy hadronic interaction models QGSJET, DPMJET, HDPM,…

Astrophysics · Physics 2008-11-26 KASCADE Collaboration , T. Antoni , M. Risse

The status of hadron-hadron interactions is reviewed, with emphasis on the forward and near-forward scattering regions. From analyticity, Finite Energy Sum Rules are introduced from which new analyticity constraints are derived that exploit…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin M. Block

Positron beams, both polarized and unpolarized, are identified as essential ingredients for the experimental program at the next generation of lepton accelerators. In the context of the Hadronic Physics program at the Jefferson Laboratory…

Nuclear Experiment · Physics 2019-06-25 A. Afanasev , I. Albayrak , S. Ali , M. Amaryan , A. D'Angelo , J. Annand , J. Arrington , A. Asaturyan , H. Avakian , T. Averett , L. Barion , M. Battaglieri , V. Bellini , V. Berdnikov , J. Bernauer , A. Biselli , M. Boer , M. Bondì , K. -T. Brinkmann , B. Briscoe , V. Burkert , A. Camsonne , T. Cao , L. Cardman , M. Carmignotto , L. Causse , A. Celentano , P. Chatagnon , G. Ciullo , M. Contalbrigo , D. Day , M. Defurne , S. Diehl , B. Dongwi , R. Dupré , D. Dutta , M. Ehrhart , L. Elouadrhiri , R. Ent , I. Fernando , A. Filippi , Y. Furletova , H. Gao , A. Gasparian , D. Gaskell , F. Georges , F. -X. Girod , J. Grames , C. Gu , M. Guidal , D. Hamilton , D. Hasell , D. Higinbotham , M. Hoballah , T. Horn , C. Hyde , A. Italiano , N. Kalantarians , G. Kalicy , D. Keller , C. Keppel , M. Kerver , P. King , E. Kinney , H. -S. Ko , M. Kohl , V. Kubarovsky , L. Lanza , P. Lenisa , N. Liyanage , S. Liuti , J. Mamei , D. Marchand , P. Markowitz , L. Marsicano , M. Mazouz , M. McCaughan , B. McKinnon , M. Mihovilovič , R. Milner , A. Mkrtchyan , H. Mkrtchyan , A. Movsisyan , C. Muñoz Camacho , P. Nadel-Turońs , M. De Napoli , J. Nazeer , S. Niccolai , G. Niculescu , R. Novotny , L. Pappalardo , R. Paremuzyan , E. Pasyuk , T. Patel , I. Pegg , D. Perera , A. Puckett , N. Randazzo , M. Rashad , M. Rathnayake , A. Rizzo , J. Roche , O. Rondon , A. Schmidt , M. Shabestari , Y. Sharabian , S. Širca , D. Sokhan , A. Somov , N. Sparveris , S. Stepanyan , I. Strakovsky , V. Tadevosyan , M. Tiefenback , R. Trotta , R. De Vita , H. Voskanyan , E. Voutier , R. Wang , B. Wojtsekhowski , S. Wood , H. -G. Zaunick , S. Zhamkochyan , J. Zhang , S. Zhao , X. Zheng , C. Zorn

With the cosmic ray observations made by the Voyager 1 spacecraft outside the dominant modulating influence of the heliosphere, the comparison of computed galactic spectra with experimental data at lower energies is finally possible.…

High Energy Astrophysical Phenomena · Physics 2016-01-20 Driaan Bisschoff , Marius S. Potgieter

We discuss simplified models for photo-meson production in cosmic accelerators, such as Active Galactic Nuclei and Gamma-Ray Bursts. Our self-consistent models are directly based on the underlying physics used in the SOPHIA software, and…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Svenja Hümmer , Michael Rüger , Felix Spanier , Walter Winter

In a strong magnetic field, a high-energy photon can be absorbed and then produce an electron-positron pair. The produced electron/positron will in turn radiate a high-energy photon via synchrotron radiation, which then initiates a cascade.…

High Energy Astrophysical Phenomena · Physics 2018-06-04 Jie-Shuang Wang , Ruo-Yu Liu , Felix Aharonian , Zi-Gao Dai

We present the revised ``Meudon'' model of Photon Dominated Region (PDR code), presently available on the web under the Gnu Public Licence at: http://aristote.obspm.fr/MIS. General organisation of the code is described down to a level that…

Astrophysics · Physics 2016-08-15 Franck Le Petit , Jacques Le Bourlot , Evelyne Roueff , Cyrine Nehmé

Central collisions induced by high energy radioactive beams can be used as a novel means to obtain crucial information about the high density ({\rm HD}) behaviour of nuclear symmetry energy. This information is critical for understanding…

Nuclear Theory · Physics 2009-11-10 Bao-An Li

The electric dipole polarizability $\alpha_D$ and the neutron skin thickness $\Delta R_{np}$ of $^{208}\mathrm{Pb}$ are two powerful and clean probes to constrain the symmetry energy at subsaturation density. Within the framework of the…

Nuclear Theory · Physics 2026-02-24 Dandan Niu , Xinyu Wang , Ying Cui , Qiang Zhao , Kai Zhao , Akira Ono , Yingxun Zhang

Production of ultra-high-energy (UHE) particles in astrophysics should not be different from the hadron production at the contemporary proton colliders. LHC experiments are providing us with the proton spectra at very high energy (VHE) that…

High Energy Physics - Phenomenology · Physics 2023-12-06 O. I. Piskounova

New X-ray observatories (Chandra and XMM-Newton) are providing a wealth of high-resolution X-ray spectra in which hydrogen- and helium-like ions are usually strong features. We present results from a new collisional-radiative plasma code,…

Astrophysics · Physics 2009-11-06 Randall K. Smith , Nancy S. Brickhouse , Duane A. Liedahl , John C. Raymond