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The study of protons, fundamental constituents of atomic nuclei, is crucial for understanding nuclear physics and fundamental forces. This review examines advancements in extracting electromagnetic form factors, essential for probing proton…

Nuclear Experiment · Physics 2025-02-25 Gerome A. Paterez , Jade C. Jusoy , Edmar Pantohan , Eulogio Auxtero

Measurements are presented of the properties of high transverse momentum jets, produced in proton-proton collisions at a center-of-mass energy of sqrt(s) = 7 TeV. The data correspond to an integrated luminosity of 35 pb^-1 and were…

High Energy Physics - Experiment · Physics 2013-06-25 ATLAS Collaboration

The properties of the solar wind, as measured in situ throughout the heliosphere, depend both on the characteristics of its coronal source and on the intrinsic processes governing its interplanetary evolution. Recently, radial and Parker…

Cosmic ray muons have emerged as a non-conventional high-energy radiation probe to monitor dense and large objects. Muons are the most abundant cosmic radiation on Earth, however, their flux at sea level is approximately 10,000 min^-1m^-2…

Instrumentation and Methods for Astrophysics · Physics 2022-01-05 Junghyun Bae , Stylianos Chatzidakis

In this work we use the newly reported Boron-to-Carbon ratio (B/C) from AMS-02 and the time-dependent proton fluxes from PAMELA and AMS-02 to constrain the source and propagation parameters of cosmic rays in the Milky Way. A linear…

High Energy Astrophysical Phenomena · Physics 2017-05-03 Qiang Yuan , Su-Jie Lin , Kun Fang , Xiao-Jun Bi

The jet-medium interaction in high energy heavy ion collisions is an important phenomena to characterize the hot and dense medium produced in such collisions. The study of medium-induced modifications to the substructure of inclusive…

High Energy Physics - Phenomenology · Physics 2021-02-03 Sumit Kumar Saha , Debojit Sarkar , Subhasis Chattopadhyay , Ashik Ikbal Sheikh , Sidharth Kumar Prasad

Here we present a new method of estimating global variations in outdoor PM$_{2.5}$ concentrations using satellite images combined with ground-level measurements and deep convolutional neural networks. Specifically, new deep learning models…

Image and Video Processing · Electrical Eng. & Systems 2019-06-11 Kris Y. Hong , Pedro O. Pinheiro , Scott Weichenthal

For the He/N nova M31N 2007-12b, we analyzed XMM-Newton EPIC and Chandra HRC-I observations of our monitoring program performed at intervals of ten days and added results of a XMM-Newton target of opportunity observation and Swift XRT…

High Energy Astrophysical Phenomena · Physics 2015-05-28 W. Pietsch , M. Henze , F. Haberl , M. Hernanz , G. Sala , D. H. Hartmann , M. Della Valle

Recently X-ray emission from protostellar jets has been detected with both XMM-Newton and Chandra satellites, but the physical mechanism which can give rise to this emission is still unclear. We performed an extensive exploration of a wide…

Astrophysics · Physics 2009-11-11 R. Bonito , S. Orlando , G. Peres , F. Favata , R. Rosner

We investigate the solar wind energy flux in the inner heliosphere using 12-day observations around each perihelion of Encounter One (E01), Two (E02), Four (E04), and Five (E05) of Parker Solar Probe (PSP), respectively, with a minimum…

We survey the electron heat flux observed by the Parker Solar Probe (PSP) in the near-Sun environment at heliocentric distances of 0.125-0.25 AU. We utilized measurements from the Solar Wind Electrons Alphas and Protons and FIELDS…

This work reports a novel plasma wave observation in the near-Sun solar wind: frequency-dispersed ion acoustic waves. Similar waves were previously reported in association with interplanetary shocks or planetary bow shocks, but the waves…

Solar and Stellar Astrophysics · Physics 2024-04-24 David M. Malaspina , Robert E. Ergun , Iver H. Cairns , Benjamin Short , Jaye L. Verniero , Cynthia Cattell , Roberto Livi

This paper investigates the frequency of transiting planetary systems around metal-polluted white dwarfs using high-cadence photometry from ULTRACAM and ULTRASPEC on the ground, and space-based observations with TESS. Within a sample of 313…

The dominant radiation mechanism that powers the prompt $\gamma$-ray emission in gamma-ray bursts (GRBs) remains poorly understood. High quality, time- and energy-resolved linear polarization measurements of prompt $\gamma$-ray photons can…

High Energy Astrophysical Phenomena · Physics 2026-03-05 Ramandeep Gill , Jiang He , Jonathan Granot , Jian-Chao Sun , Shuang-Nan Zhang , Yuan-Hao Wang , Johannes Hulsman , Nicolas Produit , Shao-Lin Xiong

Recent experimental data from space-based instruments of the DAMPE and CALET collaborations have shown that the energy spectrum of protons has a new feature, a break in the $\sim 10$ TeV region. In this energy range, the spectrum index of…

High Energy Astrophysical Phenomena · Physics 2025-09-09 A. A. Lagutin , N. V. Volkov

The acceleration of charged particles by interplanetary shocks (IPs) can drain a non-negligible fraction of the plasma pressure. In this study, we have selected 17 IPs observed in-situ at $1\,\text{au}$ by the Advanced Composition Explorer…

Solar and Stellar Astrophysics · Physics 2022-04-06 Liam David , Federico Fraschetti , Joe Giacalone , Robert F. Wimmer-Schweingruber , Lars Berger , David Lario

The orbital distributions of dust particles in interplanetary space are inferred from several meteoroid data sets under the constraints imposed by the orbital evolution of the particles due to the planetary gravity and Poynting-Robertson…

Earth and Planetary Astrophysics · Physics 2019-02-11 Valeri V. Dikarev , Eberhard Grün , William J. Baggaley , David P. Galligan , Markus Landgraf , Rüdiger Jehn

Weakly collisional plasmas are subject to nonlinear relaxation processes, which can operate at rates much faster than the particle collision frequencies. This causes the plasma to respond like a magnetised fluid despite having long particle…

Space Physics · Physics 2022-10-12 J. T. Coburn , C. H. K. Chen , J. Squire

Thanks to space-borne experiments of cosmic-ray (CR) detection, such as the AMS and PAMELA missions in low-Earth orbit, or the Voyager-1 spacecraft in the interstellar space, a large collection of multi-channel and time-resolved CR data has…

High Energy Astrophysical Phenomena · Physics 2019-07-01 Nicola Tomassetti , Fernando Barão , Bruna Bertucci , Emanuele Fiandrini , Miguel Orcinha

We present the outline of a new model for the coherent radio emission of pulsars that succeeds in reproducing the energetics and brightness temperatures of the observed radio emission from the observationally deduced distances of 50-100…

Astrophysics · Physics 2007-05-23 Th. Kunzl , H. Lesch , A. Jessner