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UHDpulse - Metrology for Advanced Radiotherapy using beams with Ultra-High Pulse Dose Rates is a European project aimed at developing novel dosimetry standards, as well as improving existing ones, for FLASH radiotherapy, very high energy…

Instrumentation and Detectors · Physics 2022-11-29 A. Cimmino , I. Ambrožová , S. Motta , R. Versaci , V. Olšovcová , R. Truneček , A. Velyhan , D. Chvátil , V. Olšanský , V. Stránský , J. Šolc

The acceleration of polarized electrons, positrons, protons and ions in strong laser and plasma fields is a very attractive option to obtain polarized beams in the multi-MeV range. Recently, there has been substantial progress in the…

Accelerator Physics · Physics 2020-11-04 Markus Büscher , Anna Hützen , Liangliang Ji , Andreas Lehrach

A light emitting diode (LED) pulser has been developed that can be used for tests or calibration of timing and amplitude sensitivity of particle physics detectors. A comparative study is performed on the components and pulser output…

Instrumentation and Detectors · Physics 2018-03-14 A. Grummer , M. R. Hoeferkamp , S. Seidel

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

Energy-resolved neutron imaging at a pulsed source utilizes the energy-dependent neutron transmission measured via time-of-flight to extract quantitative information about the internal microstructure of an object. At the RADEN instrument at…

The article by Fernandez et al argues that, because of advances made in laser-produced neutron pulses, it should now be possible to measure temperature in samples loaded to elevated pressures, by neutron resonance spectrometry with neutrons…

Materials Science · Physics 2021-05-28 Damian C. Swift , James M. McNaney

Ultra-intense MeV photon and neutron beams are indispensable tools in many research fields such as nuclear, atomic and material science as well as in medical and biophysical applications. For astrophysical applications aimed for laboratory…

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

Various theories have predicted the deep Dirac levels (DDLs) in atoms for many years. However, the existence of the DDL is still under debating, and need to be confirmed experimentally. With the development of high intensive lasers,…

Nuclear Experiment · Physics 2017-03-27 Xiaopeng Zhang , Changbo Fu , Dechang Dai

Intense laser-driven proton pulses, inherently broadband and highly divergent, pose a challenge to established beamline concepts on the path to application-adapted irradiation field formation, particularly for 3D. Here we experimentally…

Nuclear physics experiments are always in need of more and more advanced detection systems. During the last years relevant technological developments have come out with many improvements in terms of performance and compactness of detector…

Instrumentation and Detectors · Physics 2021-01-26 Paolo Finocchiaro

In the framework of research on IVth generation reactors and high intensity neutron sources a low-power prototype neutron amplifier was recently proposed by INFN. It is based on a low-energy, high current proton cyclotron, whose beam,…

High intensity laser driven proton beams are at present receiving much attention. The reasons for this are many but high on the list is the potential to produce compact accelerators. However two of the limitations of this technology is that…

Beam injection and extraction from a plasma module is still one of the crucial aspects to solve in order to produce high quality electron beams with a plasma accelerator. Proper matching conditions require to focus the incoming high…

A monitoring system for fast neutrons is planned in the COSINE experiment, a dark matter experiment with NaI crystals. We pursued several R&D approaches for a neutron detector using a liquid scintillator (LS). A pulse shape discrimination…

Instrumentation and Detectors · Physics 2018-07-25 G. Adhikari , P. Adhikari , C. Ha , E. J. Jeon , K. W. Kim , N. Y. Kim , Y. D. Kim , Y. J. Ko , H. S. Lee , J. Lee , M. H. Lee , R. H. Maruyama , S. L. Olsen , H. Prihtiadi

Since the invention of chirped pulse amplification, which was recognized by a Nobel prize in physics in 2018, there has been a continuing increase in available laser intensity. Combined with advances in our understanding of the kinetics of…

Plasma Physics · Physics 2020-06-19 P. Zhang , S. S. Bulanov , D. Seipt , A. V. Arefiev , A. G. R. Thomas

The tremendous progress in high-intensity laser technology and the establishment of dedicated high-field laboratories in recent years have paved the way towards a first observation of quantum vacuum nonlinearities at the high-intensity…

High Energy Physics - Phenomenology · Physics 2018-04-11 Holger Gies , Felix Karbstein , Christian Kohlfürst , Nico Seegert

Ultrafast transmission electron microscopy (UTEM) has emerged as a versatile technique for the time-resolved imaging of nanoscale dynamics on timescales down to few-hundred attoseconds but the temporal and spatial resolutions are still…

Instrumentation and Detectors · Physics 2024-11-01 Alexander Schröder , Andreas Wendeln , Jonathan T. Weber , Masaki Mukai , Yuji Kohno , Sascha Schäfer

The feasibility of performing fast neutron resonance radiography at the PTB accelerator facility is studied. A neutron beam of a broad spectral distribution is produced by a pulsed 13 MeV deuterium beam hitting a thick Be target. The…

Nuclear Experiment · Physics 2007-05-23 V. Dangendorf , G. Laczko , C. Kersten , O. Jagutzki , U. Spillmann

One of the most promising approaches for the next generation of neutrino experiments is the realization of large hybrid Cherenkov/scintillation detectors made possible by recent innovations in photodetection technology and liquid…

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