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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

The Lee model code is used in numerical experiments for characterizing and optimizing neon soft X-ray (Ysxr) yield of UNU/ICTP PFF machine operated at 14 kV and 30 micro F. The neon Ysxr yield of the dense plasma focus device is enhanced by…

Plasma Physics · Physics 2019-05-01 M. A. Malek , M. K. Islam , M. Salahuddin

The MCNP program used to simulate the hard x-ray emission from KSU dense plasma focus device, an electron beam spectrum of maximum energy 100 keV was used to hit anode target. The bremsstrahlung radiation was measured using the F2 tally…

Instrumentation and Detectors · Physics 2015-03-11 Amgad E. Mohamed

Before its demise DIANA Hi-TECH, LLC, demonstrated the use of two 50 kJoule Plasma Focus devices for the copius production of fast neutrons, x-rays and radio-isotopes. Such a device is suitable for fast neutron non invasive interogation of…

Nuclear Experiment · Physics 2007-05-23 Moshe Gai

The secondary neutron fields at the deep tumor therapy terminal at HIRFL (Heavy Ion Research Facility in Lanzhou) were investigated. The distributions of neutron ambient dose equivalent were measured with a FHT762 Wendi-II neutron ambient…

Medical Physics · Physics 2017-06-28 Jun-Kui Xu , You-Wu Su , Wu-Yuan Li , Wei-Wei Yan , Zong-Qiang Li , Wang Mao , Cheng-Guo Pang , Chong Xu

We presents the results of study of focusing and imaging properties of double-lens system for hard x-ray radiation consisting of two Fresnel zone plates (ZP) made from silicon. We demonstrate for the first time the phenomenon of focusing by…

To investigate the role of active galactic nucleus (AGN) X-ray irradiation on the interstellar medium (ISM), we systematically analyzed Chandra and ALMA CO($J$=2-1) data for 26 ultra-hard X-ray ($>$ 10 keV) selected AGNs at redshifts below…

Astrophysics of Galaxies · Physics 2021-12-22 Taiki Kawamuro , Claudio Ricci , Takuma Izumi , Masatoshi Imanishi , Shunsuke Baba , Dieu D. Nguyen , Kyoko Onishi

We report the highest compression reached in laboratory plasmas using eight laser beams, E$_{laser}$$\approx$12 kJ, $\tau_{laser}$=2 ns in third harmonic on a CD$_2$ target at the ShenGuang-II Upgrade (SGII-Up) facility in Shanghai, China.…

We have commenced experiments with intense short pulses of ion beams on the Neutralized Drift Compression Experiment-II at Lawrence Berkeley National Laboratory, by generating beam spots size with radius r < 1 mm within 2 ns FWHM and…

AMANDA-II is the largest neutrino telescope collecting data at the moment, and its main goal is to search for sources of high energy extra-terrestrial neutrinos. The detection of such sources could give non-controversial evidence for the…

Astrophysics · Physics 2019-08-14 Paolo Desiati

The extreme ultraviolet (XUV) emission from dense plasmas generated with sub-10-fs laser pulses with varying peak intensities up to 3*10^16 W/cm^2 is investigated for different target materials. K shell spectra are obtained from low Z…

Plasma Physics · Physics 2009-11-13 J. Osterholz , F. Brandl , M. Cerchez , T. Fischer , D. Hemmers , B. Hidding , A. Pipahl , G. Pretzler , S. J. Rose , O. Willi

We have commenced experiments with intense short pulses of ion beams on the Neutralized Drift Compression Experiment (NDCX-II) at Lawrence Berkeley National Laboratory, with 1-mm beam spot size within 2.5 ns full-width at half maximum. The…

The paper demonstrates the possibility to use ANSYS HFSS as a versatile simulating tool for antennas facing inhomogeneous anisotropic magnetized plasmas in the Ion Cyclotron Range of Frequencies (ICRF). The methodology used throughout the…

Plasma Physics · Physics 2023-09-26 V. Maquet , R. Ragona , D. Van Eester , J. Hillairet , F. Durodie

The neutron dose distributions on observation distances and on observation angles were measured using a Wendi-II neutron dose-meter at the deep tumor therapy terminal at HIRFL (Heavy Ion Research Facility in Lanzhou) as 12C ions with…

Medical Physics · Physics 2016-01-01 Jun-Kui Xu , Wu-Yuan Li , Wei-Wei Yan , You-Wu Su , Zong-Qiang Li , Mao Wang , Cheng-Guo Pang , Chong Xu

We study the nature of energy release and transfer for two sub-A class solar microflares observed during the second flight of the Focusing Optics X-ray Solar Imager (FOXSI-2) sounding rocket experiment on 2014 December 11. FOXSI is the…

In this paper we present the differential emission measures (DEMs) of two sub-A class microflares observed in hard X-rays (HXRs) by the FOXSI-2 sounding rocket experiment, on 2014 December 11. The second FOXSI (Focusing Optics X-ray Solar…

This paper briefly describes the principle of operation and science goals of the AMANDA high energy neutrino telescope located at the South Pole, Antarctica. Results from an earlier phase of the telescope, called AMANDA-B10, demonstrate…

Astrophysics · Physics 2015-06-24 Steven W. Barwick

Nuclear magnetic resonance (NMR) technique benefits from high magnetic field not only due to the field-enhanced measurement sensitivity and resolution, but also because it is a powerful tool to investigate field-induced physics in modern…

Instrumentation and Detectors · Physics 2023-05-05 Wenqi Wei , Qinying Liu , Le Yuan , Jian Zhang , Shiyu Liu , Rui Zhou , Yongkang Luo , Xiaotao Han

The electron beam emitted from the back of Plasma Focus devices is being studied as a radiation source for IORT (IntraOperative Radiation Therapy) applications. A Plasma Focus device is being developed to this aim, to be utilized as an…

Instrumentation and Detectors · Physics 2012-10-16 Elisa Ceccolini , Federico Rocchi , Domiziano Mostacci , Marco Sumini , Agostino Tartari

The HANARO ex-core neutron irradiation facility was developed for various applications in the boron neutron capture therapy (BNCT) field, and its characteristics have been investigated. In order to obtain a sufficient thermal neutron flux…

Medical Physics · Physics 2015-06-26 Myong-Seop Kim , Byung-Chul Lee , Sung-Yul Hwang , Heonil Kim , Byung-Jin Jun
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