English
Related papers

Related papers: Hybrid Active-Passive Galactic Cosmic Ray Simulato…

200 papers

Context. Recent observations of unexpected structures in the Galactic Cosmic Ray (GCR) spectrum and composition, as well as growing evidence for episodes of intense dynamical activity in the inner regions of the Galaxy, call for an…

High Energy Astrophysical Phenomena · Physics 2018-11-07 Etienne Jaupart , Etienne Parizot , Denis Allard

We study the acceleration of cosmic rays by collisionless structure formation shocks with ENZO grid simulations. Data from the FERMI satellite enable the use of galaxy clusters as a testbed for particle acceleration models. Based on…

Astrophysics of Galaxies · Physics 2016-03-23 F. Vazza , M. Brueggen , D. Wittor , C. Gheller , D. Eckert , M. Stubbe

Efficient transport of high-current negative ion beams is critical for accurate plasma potential diagnostics using heavy-ion beam probe (HIBP) systems in magnetically confined fusion plasmas. However, strong space-charge effects often…

Plasma Physics · Physics 2025-09-23 M. Nishiura , K. Nakamura , K. Ueda , A. Shimizu , H. Takubo , M. Kanda , T. Ido , M. Okamura

High-energy gamma rays of interstellar origin are produced by the interaction of cosmic-ray (CR) particles with the diffuse gas and radiation fields in the Galaxy. The main features of this emission are well understood and are reproduced by…

High Energy Astrophysical Phenomena · Physics 2017-09-06 Troy A. Porter , Gudlaugur Johannesson , Igor V. Moskalenko

The upgrade of the normal conducting (NC) Radioactive Ion Beam EXperiment (REX)-ISOLDE heavy ion accelerator at CERN, under the High Intensity and Energy (HIE)-ISOLDE framework, proposes the use of superconducting (SC) quarter-wave…

Accelerator Physics · Physics 2009-06-20 M. A. Fraser , M. Pasini , R. M. Jones , M. Lindroos

Gaseous Time Projection Chambers with Optical Readout are sensitive detectors suitable for 3D measurement of low-energy O(1 keV) particles and are proposed for detecting rare events such as Dark Matter particle interactions. The CYGNO…

A software toolkit for the simulation of activation background for high energy detectors onboard satellites is presented on behalf of the HERMES-SP collaboration. The framework employs direct Monte Carlo and analytical calculations allowing…

Instrumentation and Methods for Astrophysics · Physics 2021-01-12 G. Galgoczi , J. Ripa , G. Dilillo , M. Ohno , R. Campana , N. Werner

The study of ultra-high energy cosmic rays (UHECR) at Earth cannot prescind from the study of their propagation in the Universe. In this paper, we present HERMES, the \emph{ad hoc} Monte Carlo code we have developed for the realistic…

Instrumentation and Methods for Astrophysics · Physics 2013-05-21 Manlio De Domenico

We present the mass models of 31 spiral and irregular nearby galaxies obtained using hybrid rotation curves (RCs) combining high resolution GHASP Fabry-Perot H$\alpha$ RCs and extended WHISP HI ones together with 3.4 $\mu$m WISE photometry.…

Astrophysics of Galaxies · Physics 2019-10-09 M. Korsaga , B. Epinat , P. Amram , C. Carignan , P. Adamczyk , A. Sorgho

Active energy compression scheme is presently being investigated for future laser-plasma accelerators. This method enables generating laser-plasma accelerator electron beams with a small, $\sim 10^{-5}$, relative slice energy spread. When…

It is known that the alignment of an high-energy e- beam with specific crystal directions leads to a significant increase of the coherent radiation emission. This enhancement can be exploited to create an intense photon source. An elective…

The foreseen upgrade of the LHC to its high luminosity phase (HL-LHC), will maximize the physics potential of the facility. The upgrade is expected to increase the instantaneous luminosity by a factor of 5 and deliver an integrated…

Instrumentation and Detectors · Physics 2018-12-19 Timo Peltola

We discuss a representative selection of particle acceleration mechanisms believed to be operating in Active Galactic Nuclei. Starting from direct electrostatic field acceleration in the vicinity of the black hole up to Fermi-type particle…

High Energy Astrophysical Phenomena · Physics 2009-11-23 Frank M. Rieger

A selection of experimental results in high-energy nucleus-nucleus collisions after five years of operation of the Relativistic Heavy-Ion Collider (RHIC) is presented. Emphasis is put on measurements that provide direct information on…

Nuclear Experiment · Physics 2008-11-26 David d'Enterria

The Laser Interferometer Space Antenna (LISA) will open the mHz frequency window of the gravitational wave (GW) landscape. Among all the new GW sources expected to emit in this frequency band, extreme mass-ratio inspirals (EMRIs) constitute…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-03 Danny Laghi , Nicola Tamanini , Walter Del Pozzo , Alberto Sesana , Jonathan Gair , Stanislav Babak , David Izquierdo-Villalba

A highly efficient, fully parallelized, six-dimensional tracking model for simulating interactions of colliding hadron beams in high energy ring colliders and simulating schemes for mitigating their effects is described. The model uses the…

Accelerator Physics · Physics 2011-05-25 Hyung J. Kim , Tanaji Sen

The Compressed Baryonic Matter (CBM) experiment is a part of the Facility for Antiproton and Ion Research (FAIR) in Darmstadt at the GSI. The CBM experiment will investigate the highly compressed nuclear matter using nucleus-nucleus…

Hardware Architecture · Computer Science 2016-01-20 Suman Sau , Swagata Mandal , Jogender Saini , Amlan Chakrabarti , Subhasis Chattopadhyay

Storage rings have been employed over three decades in various kinds of nuclear and atomic physics experiments with highly charged ions. Storage ring operation and precision physics experiments benefit from the availability of beam cooling…

Nuclear Experiment · Physics 2020-10-28 Markus Steck , Yuri A. Litvinov

A new ion source will be prepared for the CYCLONE30 commercial cyclotron with a much advanced performance compared with the previous one. The newly designed ion source has a very large transparency without deteriorating the beam optics,…

Accelerator Physics · Physics 2013-06-06 Maryam Hosseinzadeh , Hossein Afarideh

Cosmological neutral hydrogen (HI) surveys provide a promising tomographic probe of the post-reionization era and of the standard model of cosmology. Simulations of this signal are crucial for maximizing the utility of these surveys. We…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-09 Pascal Hitz , Pascale Berner , Devin Crichton , John Hennig , Alexandre Refregier