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We study the production of hadrons in nucleus-nucleus collisions within the Parton-Hadron-String Dynamics (PHSD) transport approach that is extended to incorporate essentials aspects of chiral symmetry restoration (CSR) in the hadronic…

Nuclear Theory · Physics 2016-03-10 Pierre Moreau , Wolfgang Cassing , Alessia Palmese , Elena Bratkovskaya

We study the chiral separation effect (CSE) in two-color and two-flavor QCD (QC$_2$D) to delineate quasiparticle pictures in dense matter from low to high temperatures. Both massless and massive quarks are discussed. We particularly focus…

High Energy Physics - Phenomenology · Physics 2021-09-03 Daiki Suenaga , Toru Kojo

Background rates in several pixel array detectors are investigated with an eye toward using them with hard, >6 keV, x-rays in very low-rate experiments - e.g. at signal rates <0.1/s/cm^2. Measured background event rates for a detector with…

Instrumentation and Detectors · Physics 2023-03-01 Alfred Q. R. Baron , Daisuke Ishikawa

The Electron Multipacting (EM) phenomenon is a limiting factor for the achievement of high luminosity in accelerators for positively charged particles and for the performance of RF devices. At CERN, the Super Proton Synchrotron (SPS) must…

Accelerator Physics · Physics 2013-08-07 P. Costa Pinto , S. Calatroni , P. Chiggiato , P. Edwards , M. Mensi , H. Neupert , M. Taborelli , C. Yin-Vallgren

The extremely high brightness temperature of fast radio bursts (FRBs) requires that their emission mechanism must be "coherent", either through concerted particle emission by bunches or through an exponential growth of a plasma wave mode or…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Bing Zhang

If we try to measure the backward optical diffraction radiation (BODR) of high energy electrons from a conductive slit or a semi infinitive plate, the electron beam will pass thru the bending or steering magnets or magnet lenses before…

Accelerator Physics · Physics 2009-11-07 G. A. Naumenko

Uniaxial compressive strain along the [001] direction strongly suppresses the spin relaxation in silicon. When the strain level is large enough so that electrons are redistributed only in the two valleys along the strain axis, the dominant…

Materials Science · Physics 2017-01-19 Oleg Chalaev , Yang Song , Hanan Dery

To produce the intense, high-quality hadron beams required by future nuclear and high-energy physics experiments, synchrotrons need to overcome a most prominent intensity limitation i.e., space charge. This Letter characterizes the…

Accelerator Physics · Physics 2024-06-21 Adrian Oeftiger , Oliver Boine-Frankenheim

We present the results of multi-objective genetic algorithm optimizations of a potential single shot ultra fast electron diffraction beamline utilizing a 225 kV dc gun with a novel cryocooled photocathode system and buncher cavity.…

Accelerator Physics · Physics 2016-10-12 C. Gulliford , A. Bartnik , I. Bazarov

Recently, the verification of stimulated Raman side-scattering (SRSS) in different laser inertial confinement fusion ignition schemes poses an underlying risk of SRSS on ignition. In this paper, we propose a method to use the non-uniform…

Plasma Physics · Physics 2023-05-12 Xiaobao Jia , Qing Jia , Rui Yan , Jian Zheng

We present a comprehensive analysis of the X-ray observations obtained from \xmm\, and \chandra\, for a sample of bona-fide Compact Symmetric Objects (CSOs) to investigate their X-ray emission properties. Ultimately, we obtain 32 effective…

High Energy Astrophysical Phenomena · Physics 2025-02-04 Ying-Ying Gan , Su Yao , Tan-Zheng Wu , Hai-Ming Zhang , Jin Zhang

We revisit a two right-handed neutrino model with two texture zeros, namely an indirect model based on A4 with the recently proposed new type of constrained sequential dominance (CSD2), involving vacuum alignments along the (0,1,-1)^T and…

High Energy Physics - Phenomenology · Physics 2013-06-04 Stefan Antusch , Stephen F. King , Martin Spinrath

We study the variations in the Cyclotron Resonant Scattering Feature (CRSF) during 2011 outburst of the high mass X-ray binary 4U 0115+63 using observations performed with Suzaku, RXTE, Swift and INTEGRAL satellites. The wide-band spectral…

High Energy Astrophysical Phenomena · Physics 2015-10-07 N. Iyer , D. Mukherjee , G. C. Dewangan , D. Bhattacharya , S. Seetha

This paper examines the radiative transfer of synchrotron radiation in the presence of a magnetic field configuration resulting from the compression of a highly disordered magnetic field. It is shown that, provided Faraday rotation and…

High Energy Astrophysical Phenomena · Physics 2015-06-22 T. V. Cawthorne , P. A. Hughes

We demonstrate compression of 95 keV, space-charge-dominated electron bunches to sub-100 fs durations. These bunches have sufficient charge (200 fC) and are of sufficient quality to capture a diffraction pattern with a single shot, which we…

We study the synchrotron radiation emitted by a charged fermion, rotating as a part of a larger system, in a constant magnetic field $B$ parallel to the axis of rotation. The rotation is classical and independent of the magnetic field. The…

High Energy Physics - Phenomenology · Physics 2023-06-21 Matteo Buzzegoli , Jonathan D. Kroth , Kirill Tuchin , Nandagopal Vijayakumar

Cross-correlation heterodyne detectors exhibit the potential for suppression of the detection quantum noise below shot noise without use of optical squeezing for capturing weak optical signals in low frequency bands. To understand the…

Quantum Physics · Physics 2022-11-09 Sheng Feng , Kaikai Wu

The combined source integral equation (CSIE) for the electric field on the surface of a perfect electrically conducting scatterer can be discretized very accurately with lowest-order Rao-Wilton-Glisson basis and testing functions if the…

Numerical Analysis · Mathematics 2022-06-27 Jonas Kornprobst , Thomas F. Eibert

Coherent curvature radiation by charged bunches has been discussed as the radiation mechanism for radio pulsars and fast radio bursts. Important issues for this radiation mechanism include how the bunches form and disperse in the…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Yuan-Pei Yang , Bing Zhang