English
Related papers

Related papers: Characterising a Si(Li) detector element for the S…

200 papers

An x-ray detector for a solar axion search was developed. The detector is operated at 60K in a cryostat of a superconducting magnet. Special care was paid to microphonic noise immunity and mechanical structure against thermal contraction.…

Astrophysics · Physics 2009-11-07 T. Namba , Y. Inoue , S. Moriyama , M. Minowa

We describe a quasi-optical multifrequency ESR spectrometer operating in the 75-225 GHz range and optimized at 210 GHz for general use in condensed matter physics, chemistry and biology. The quasi-optical bridge detects the change of mm…

Materials Science · Physics 2012-10-23 Kalman L Nagy , Dario Quintavalle , Titusz Feher , Andras Janossy

The charge radii of Sigma^- and pi^- have been determined by direct elastic scttering on shell electrons. The measurement was performed in the framework of the SELEX (E781) charm hadroproduction experiment at Fermilab which employs a 600…

High Energy Physics - Experiment · Physics 2019-08-14 Ivo Eschrich

Synchrotron radiation at 10 keV was used to experimentally determine the Ll, L, LI, LII, LI and LII fluorescence cross sections for elements with 45 < Z < 50, as part of an ongoing investigation at low energies. The measured data were…

Atomic Physics · Physics 2015-10-07 Edgardo Bonzi , Gabriela Grad , Raúl Barrea

The Spectrometer/Telescope for Imaging X-rays (STIX) is one of the 10 instruments on-board the scientific payload of ESA's Solar Orbiter mission. STIX provides hard X-ray imaging spectroscopy in the 4-150~keV energy range, observing hard…

Solar and Stellar Astrophysics · Physics 2023-04-05 Laura A. Hayes , Sophie Musset , Daniel M üller , S äm Krucker

Schemes aimed at transferring individual electrons in semiconductor devices and detecting possible transfer errors have increasing importance for metrological applications. We study the coupling of a superconducting Josephson-junction-based…

We report the results of quasi-simultaneous observations of the bright quasar 3C 273 using the BeppoSAX Low-Energy Concentrator Spectrometer (LECS) and the ASCA Solid-State Imaging Spectrometer (SIS). These observations are part of an…

Astrophysics · Physics 2007-05-23 Astrid Orr , T. Yaqoob , A. N. Parmar , L. Piro , N. E. White , P. Grandi

In the field of high-energy particle detection, detectors operating in high-radiation environments primarily face high costs associated with power consumption and cooling systems. Therefore, the development of particle detectors capable of…

Instrumentation and Detectors · Physics 2025-12-11 Xingchen Li , Sen Zhao , Mengke Cai , Suyu Xiao , Congcong Wang , Weimin Song , Xin Shi , Xiyuan Zhang

A front-end readout electronics system has been developed for silicon strip detectors. The system uses an application specific integrated circuit (ASIC) ATHED to realize multi-channel E&T measurement. The slow control of ASIC chips is…

Instrumentation and Detectors · Physics 2011-06-13 Yi Qian , Hong Su , Jie Kong , Cheng-Fu Dong , Xiao-Li Ma , Xiao-Gang Li

In the early 2030s, ESAs new X-ray observatory, Athena, is scheduled to be launched. It will carry two main instruments, one of which is the X-ray Integral Field Unit (X-IFU), an X-ray imaging spectrometer, which will consist of an array of…

We have studied the average 3-200 keV spectra of Seyfert galaxies of type 1 and 2, using data obtained with BeppoSAX. The average Seyfert 1 spectrum is well-fitted by a power law continuum with photon spectral index Gamma~1.9, a Compton…

Astrophysics · Physics 2009-11-07 A. Malizia , L. Bassani , J. B. Stephen , G. Di Cocco , F. Fiore , A. J. Dean

X-ray spectrometer is one of the satellite payloads on Chang'E-2 satellite. The soft X-ray detector is one of the device on X-ray spectrometer which is designed to detect the major rock-forming elements within 0.5-10keV range on lunar…

Instrumentation and Detectors · Physics 2015-10-28 Hong Xiao , Wenxi Penga , Huanyu Wang , Xingzhu Cui , Dongya Guo

Accurate calibration of coherent optical receivers is essential for reliable performance assessment in coherent communications, precision and quantum sensing, and continuous-variable quantum key distribution (CV-QKD), where the effective…

Silicon carbide (SiC) Schottky diodes 21 mum thick with small surfaces and high N-dopant concentration have been used to detect alpha particles and low energy light ions. In particular 12C and 16O beams at incident energies between 5 and 18…

Nuclear Experiment · Physics 2009-11-11 M. De Napoli , G. Raciti , E. Rapisarda , C. Sfienti

This article includes the description of the geometric parameter gage device prototype for synchrotron radiation of HERA collider (DESY). The system construction which capable to measure photo current, caused by such a radiation in a…

Instrumentation and Detectors · Physics 2007-05-23 K. Gubrienko , I. Krouptchenkov , S. Makonin , V. Seleznev , F. Solodovnik , A. Sytin , M. Vrazhnov , K. Wittenburg

High-precision measurements of the electron affinities (EA) of the three stable isotopes of silicon, $^{28}$Si, $^{29}$Si and $^{30}$Si, have been performed at the cryogenic electrostatic ion-beam storage ring DESIREE. The quantum states of…

Designed as a high-sensitivity gamma-ray observatory, the Fermi Large Area Telescope is also an electron detector with a large acceptance exceeding 2m^2 sr at 300 GeV. Building on the gamma-ray analysis, we have developed an efficient…

High Energy Astrophysical Phenomena · Physics 2009-06-19 LAT Collaboration

The relationship between the luminescence at 1.9 eV and the absorption bands at 2.0 eV and at 4.8 eV were investigated in a wide variety of synthetic silica samples exposed to different gamma- and beta-ray irradiation doses. We found that…

Materials Science · Physics 2007-05-23 L. Vaccaro , M. Cannas , B. Boizot

For a first characterization, we used the two KETEK-PM3325-WB SiPMs each equipped with a 3x3x5 mm${}^3$ LYSO scintillation crystal provided with the PETsys TOFPET2 ASIC Evaluation Kit. We changed the lower of two discriminator thresholds…

Instrumentation and Detectors · Physics 2018-12-05 David Schug , Vanessa Nadig , Bjoern Weissler , Pierre Gebhardt , Volkmar Schulz

We present an X-ray spectrum of the diffuse X-ray background (DXRB) between 1.5 and 120 keV, as measured with the Low-Energy Detector (LE) and the High-Energy Detector (HE) aboard the Insight-HXMT satellite, based on 'blank-sky'…

High Energy Astrophysical Phenomena · Physics 2023-06-21 Rui Huang , Wei Cui , Jin-Yuan Liao , Shuo Zhang , Si-Fan Wang , Jing Jin , Xue Feng Lu , Cheng-Cheng Guo , Yuan You , Gang Li , Juan Zhang
‹ Prev 1 8 9 10 Next ›