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A plasma focus device capable of operating at 0.2 pulses per second during several minutes is used as a source of hard x-rays and fast neutrons. An experimental demonstration of the use of the neutrons emissions for radiation probing of…

Instrumentation and Detectors · Physics 2009-01-15 V Raspa , F Di Lorenzo , P Knoblauch , A Lazarte , A Tartaglione , A Clausse , C Moreno

Traditionally, collider experiments have been the primary tool used in searching for particle physics beyond the Standard Model. In this talk, I will discuss alternative approaches for exploring exotic physics scenarios using high energy…

High Energy Physics - Phenomenology · Physics 2014-11-18 Dan Hooper

Neutrino-photon interactions in the presence of an external homogeneous constant electromagnetic field are studied. The $\nu \nu \gamma $ amplitude is calculated in an electromagnetic field of the general type, when the two field invariants…

High Energy Physics - Theory · Physics 2009-10-31 R. Shaisultanov

Dense plasma environment affects the electronic structure of ions via variations of the microscopic electrical fields, also known as plasma screening. This effect can be either estimated by simplified analytical models, or by…

The Moon appears bright in the sky as a source of energetic neutral atoms (ENAs). These ENAs have recently been imaged over a broad energy range both from near the lunar surface, by India's Chandrayaan-1 mission (CH-1), and from a much more…

Earth and Planetary Astrophysics · Physics 2015-06-16 L. Saul , P. Wurz , A. Vorburger , D. F. Rodríguez M. , S. A. Fuselier , D. J. McComas , E. Möbius , S. Barabash , Herb Funsten , Paul Janzen

We analyse mathematically the imaging modality using electromagnetic nanoparticles as contrast agent. This method uses the electromagnetic fields, collected before and after injecting electromagnetic nanoparticles, to reconstruct the…

Analysis of PDEs · Mathematics 2018-04-12 Durga Prasad Challa , Anupam Pal Choudhury , Mourad Sini

A young neutron star with large spin-down power is expected to be closely surrounded by an e+/- pair plasma maintained by the conversion of gamma-rays associated with the star's polar-cap and/or outer-gap accelerators. Cyclotron-resonance…

Astrophysics · Physics 2007-05-23 M. Ruderman

A radio frequency um-jet plasma source is studied using He/O2 mixture. This um-jet can be used for different applications as a source of chemical active species e.g. oxygen atoms, molecular metastables and ozone. Using absolutely-calibrated…

Ultrarelativistic electron-positron plasmas can be produced in high-intensity laser fields and play a role in various astrophysical situations. Their properties can be calculated using QED at finite temperature. Here we will use…

High Energy Physics - Phenomenology · Physics 2009-10-29 Markus H. Thoma

PAX (antiProtonic Atom X-ray spectroscopy) is a new experiment with the aim to test strong-field quantum electrodynamics (QED) effects by performing high-precision x-ray spectroscopy of antiprotonic atoms. By utilizing advanced…

Recently, a new device to measure the Orbital Angular Momentum (OAM) electronic spectrum after elastic/inelastic scattering in a transmission electron microscope has been introduced. We modified the theoretical framework needed to describe…

Instrumentation and Detectors · Physics 2020-05-28 Matteo Zanfrognini , Enzo Rotunno , Stefano Frabboni , Alicia Sit , Ebrahim Karimi , Ulrich Hohenester , Vincenzo Grillo

The experimental study of the dynamics of neutral electron-positron beams is an emerging area of research, enabled by the recent results on the generation of this exotic state of matter in the laboratory. Electron-positron beams and plasmas…

Current approaches to Mass Spectrometry (MS) require ionization of the analytes of interest. For high-mass species, the resulting charge state distribution can be complex and difficult to interpret correctly. In this article, using a setup…

We investigate the effective interaction of a pseudoscalar particle with two photons in an external electromagnetic field in the general case of all external particles being off the mass shell. This interaction is used to study the…

High Energy Physics - Phenomenology · Physics 2009-10-31 N. V. Mikheev , A. Ya. Parkhomenko , L. A. Vassilevskaya

Low-energy neutrinos from the cosmic background are captured by objects in the sky that contain material susceptible of single beta decay. Neutrons, which compose most of a neutron star, capture low-energy neutrinos from the cosmic neutrino…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-12 Beatriz Hernandez-Molinero , Raul Jimenez , Carlos Peña Garay

Neutral atoms recycled from wall interaction interact with confined plasma, thereby refueling it, most strongly in the region closest to the wall. This occurs near the X-point in diverted configurations, or else near the wall itself in…

Plasma Physics · Physics 2026-02-11 George J. Wilkie

With the INTEGRAL observatory, ESA has provided a unique tool to the astronomical community revealing hundreds of sources, new classes of objects, extraordinary views of antimatter annihilation in our Galaxy, and fingerprints of recent…

Astrophysics · Physics 2009-06-23 Jürgen KnÖdlseder

The plasma-liquid interaction is an important issue in plasma technology. The simulation of discharge in spherical bubbles in the water that produced plasma-activated water (PAW) is investigated using finite element methods (FEM) for a…

Plasma Physics · Physics 2022-08-26 Niloofar Mohammadi Nahrani , Maryam Bahreini , Saeed Hasanpour Tadi

We propose new nanotargets as nano-layered flat-top cone targets to be used for future laser-ion acceleration experiments at ELI-NP. We study their behaviour at the interaction with an ultra-high intensity laser pulse by performing…

Plasma Physics · Physics 2019-07-24 O Budrigă , E d'Humières , L E Ionel , M Martiş , M Carabaş

The first Indian lunar mission Chandrayaan-1 was launched on 22 October 2008. The Sub-keV Atom Reflecting Analyzer (SARA) instrument onboard Chandrayaan-1 consists of an energetic neutral atom (ENA) imaging mass analyzer called CENA…