Related papers: CZT in Space Based Hard-X-ray Astronomy

Performance of the advanced gamma-ray trigger system for the High Energy Cosmic Radiation Detection (HERD) facility

The High Energy Cosmic-Radiation Detection (HERD) facility has been proposed as a leading experiment on China's Space Station (CSS). Scheduled for installation around 2027, HERD is expected to operate for at least a decade. The main…

High Energy Astrophysical Phenomena · Physics 2025-04-18 Keerthana Rajan Lathika

Charge-sensitive front-end electronics with operational amplifiers for CdZnTe detectors

Cadmium zinc telluride (CdZnTe, CZT) radiation detectors are suitable for a variety of applications, due to their high spatial resolution and spectroscopic energy performance at room temperature. However, state-of-the-art detector systems…

Instrumentation and Detectors · Physics 2016-10-13 P. Födisch , M. Berthel , B. Lange , T. Kirschke , W. Enghardt , P. Kaever

Simulations and Measurements of the Background Encountered by a High-Altitude Balloon-Borne Experiment for Hard X-ray Astronomy

We have modelled the hard X-ray background expected for a high-altitude balloon flight of the Energetic X-ray Telescope Experiment (EXITE2), an imaging phoswich detector/telescope for the 20--600 keV energy range. Photon and neutron-induced…

Astrophysics · Physics 2009-10-30 Kenneth S. K. Lum , Joseph J. Mohr , Didier Barret , Jonathan E. Grindlay , Raj P. Manandhar

Electron and Gamma Background in CRESST Detectors

The CRESST experiment monitors 300g CaWO_4 crystals as targets for particle interactions in an ultra low background environment. In this paper, we analyze the background spectra that are recorded by three detectors over many weeks of data…

Instrumentation and Methods for Astrophysics · Physics 2009-12-15 R. F. Lang , G. Angloher , M. Bauer , I. Bavykina , A. Bento , A. Brown , C. Bucci , C. Ciemniak , C. Coppi , G. Deuter , F. von Feilitzsch , D. Hauff , S. Henry , P. Huff , J. Imber , S. Ingleby , C. Isaila , J. Jochum , M. Kiefer , M. Kimmerle , H. Kraus , J. -C. Lanfranchi , B. Majorovits , M. Malek , R. McGowan , V. B. Mikhailik , E. Pantic , F. Petricca , S. Pfister , W. Potzel , F. Pröbst , S. Roth , K. Rottler , C. Sailer , K. Schäffner , J. Schmaler , S. Scholl , W. Seidel , L. Stodolsky , A. J. B. Tolhurst , I. Usherov , W. Westphal

Test of CZT Detectors with Different Pixel Pitches and Thicknesses

The Modified Horizontal Bridgman (MHB) process produces Cadmium Zinc Telluride (CZT) crystals with high yield and excellent homogeneity. Various groups,including our own, previously reported on the test of 2x2x0.5 cm3 MHB CZT detectors…

Astrophysics · Physics 2007-12-10 Qiang Li , Alfred III Garson , Ira Jung , Michael Groza , Paul Dowkontt , Richard Bose , Garry Simburger , Arnold Burger , Henric Krawczynski

Study of cosmogenic activation in $^{76}$Ge enriched germanium detectors during fabrication and transportation above ground

Rare event search experiments using germanium detectors are operated in underground laboratories to minimize the background induced by cosmic rays. However, the cosmogenic activation in germanium crystals on the ground during fabrication…

Instrumentation and Detectors · Physics 2024-03-08 Qiyuan Nie , Zhi Zeng , Hao Ma , Litao Yang , Qian Yue , Jianping Cheng

Monte-Carlo simulations of the background of the coded-mask camera for X- and Gamma-rays on-board the Chinese-French GRB mission SVOM

For several decades now, wide-field coded mask cameras have been used with success to localise Gamma-ray bursts (GRBs). In these instruments, the event count rate is dominated by the photon background due to their large field of view and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 O. Godet , P. Sizun , D. Barret , P. Mandrou , B. Cordier , S. Schanne , N. Remoue

CME search at STAR

The hot and dense medium produced in relativistic heavy-ion collisions has been conjectured to be accompanied by an axial charge asymmetry that may lead to a separation of electric charges in the direction of the extremely strong magnetic…

Nuclear Experiment · Physics 2022-02-16 Yu Hu

Design and Performance of the Soft Gamma-ray Detector for the NeXT mission

The Soft Gamma-ray Detector (SGD) on board the NeXT (Japanese future high energy astrophysics mission) is a Compton telescope with narrow field of view (FOV), which utilizes Compton kinematics to enhance its background rejection…

Astrophysics · Physics 2008-12-18 H. Tajima , T. Kamae , G. Madejski , T. Mitani , K. Nakazawa , T. Tanaka , T. Takahashi , S. Watanabe , Y. Fukazawa , T. Ikagawa , J. Kataoka , M. Kokubun , K. Makishima , Y. Terada , M. Nomachi , M. Tashiro

Cosmic-Ray Background Flux Model based on a Gamma-Ray Large-Area Space Telescope Balloon Flight Engineering Model

Cosmic-ray background fluxes were modeled based on existing measurements and theories and are presented here. The model, originally developed for the Gamma-ray Large Area Space Telescope (GLAST) Balloon Experiment, covers the entire solid…

Astrophysics · Physics 2009-11-10 T. Mizuno , T. Kamae , G. Godfrey , T. Handa , D. J. Thompson , D. Lauben , Y. Fukazawa , M. Ozaki

Search for Cosmic Ray Electron Boosted Dark Matter with the CDEX-10 Experiment

We present new constraints on the cosmic ray electron boosted light dark matter (CReDM) using the 205.4 kg$\cdot$day data of the CDEX-10 experiment located at the China Jinping Underground Laboratory. The cosmic ray electron spectrum and…

High Energy Physics - Experiment · Physics 2026-01-14 R. Xu , L. T. Yang , Q. Yue , K. J. Kang , Y. J. Li , H. P. An , Greeshma C. , J. P. Chang , H. Chen , Y. H. Chen , J. P. Cheng , J. Y. Cui , W. H. Dai , Z. Deng , Y. X. Dong , C. H. Fang , H. Gong , Q. J. Guo , T. Guo , X. Y. Guo , L. He , J. R. He , H. X. Huang , T. C. Huang , S. Karmakar , Y. S. Lan , H. B. Li , H. Y. Li , J. M. Li , J. Li , M. C. Li , Q. Y. Li , R. M. J. Li , X. Q. Li , Y. L. Li , Y. F. Liang , B. Liao , F. K. Lin , S. T. Lin , J. X. Liu , R. Z. Liu , S. K. Liu , Y. D. Liu , Y. Liu , Y. Y. Liu , H. Ma , Y. C. Mao , A. Mureed , H. Pan , N. C. Qi , J. Ren , X. C. Ruan , M. B. Shen , H. Y. Shi , M. K. Singh , T. X. Sun , W. L. Sun , C. J. Tang , Y. Tian , H. F. Wan , G. F. Wang , J. Z. Wang , L. Wang , Q. Wang , Q. Wang , Y. F. Wang , Y. X. Wang , H. T. Wong , Y. C. Wu , H. Y. Xing , K. Z. Xiong , Y. Xu , T. Xue , Y. L. Yan , N. Yi , C. X. Yu , H. J. Yu , X. Yu , M. Zeng , Z. Zeng , F. S. Zhang , P. Zhang , P. Zhang , Z. Y. Zhang , M. G. Zhao , J. F. Zhou , Z. Y. Zhou , J. J. Zhu

Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches

The LUX-ZEPLIN (LZ) experiment will search for dark matter particle interactions with a detector containing a total of 10 tonnes of liquid xenon within a double-vessel cryostat. The large mass and proximity of the cryostat to the active…

Instrumentation and Detectors · Physics 2017-09-28 D. S. Akerib , C. W. Akerlof , D. Yu. Akimov , S. K. Alsum , H. M. Araújo , I. J. Arnquist , M. Arthurs , X. Bai , A. J. Bailey , J. Balajthy , S. Balashov , M. J. Barry , J. Belle , P. Beltrame , T. Benson , E. P. Bernard , A. Bernstein , T. P. Biesiadzinski , K. E. Boast , A. Bolozdynya , B. Boxer , R. Bramante , P. Brás , J. H. Buckley , V. V. Bugaev , R. Bunker , S. Burdin , J. K. Busenitz , C. Carels , D. L. Carlsmith , B. Carlson , M. C. Carmona-Benitez , C. Chan , J. J. Cherwinka , A. A. Chiller , C. Chiller , A. Cottle , R. Coughlen , W. W. Craddock , A. Currie , C. E. Dahl , T. J. R. Davison , A. Dobi , J. E. Y. Dobson , E. Druszkiewicz , T. K. Edberg , W. R. Edwards , W. T. Emmet , C. H. Faham , S. Fiorucci , T. Fruth , R. J. Gaitskell , N. J. Gantos , V. M. Gehman , R. M. Gerhard , C. Ghag , M. G. D. Gilchriese , B. Gomber , C. R. Hall , S. Hans , K. Hanzel , S. J. Haselschwardt , S. A. Hertel , S. Hillbrand , C. Hjemfelt , M. D. Hoff , B. Holbrook , E. Holtom , E. W. Hoppe , J. Y-K. Hor , M. Horn , D. Q. Huang , T. W. Hurteau , C. M. Ignarra , R. G. Jacobsen , W. Ji , A. Kaboth , K. Kamdin , K. Kazkaz , D. Khaitan , A. Khazov , A. V. Khromov , A. M. Konovalov , E. V. Korolkova , M. Koyuncu , H. Kraus , H. J. Krebs , V. A. Kudryavtsev , A. V. Kumpan , S. Kyre , C. Lee , H. S. Lee , J. Lee , D. S. Leonard , R. Leonard , K. T. Lesko , C. Levy , F. -T. Liao , J. Lin , A. Lindote , R. E. Linehan , W. H. Lippincott , X. Liu , M. I. Lopes , B. Lopez Paredes , W. Lorenzon , S. Luitz , P. Majewski , A. Manalaysay , L. Manenti , R. L. Mannino , D. J. Markley , T. J. Martin , M. F. Marzioni , C. T. McConnell , D. N. McKinsey , D. -M. Mei , Y. Meng , E. H. Miller , E. Mizrachi , J. Mock , M. E. Monzani , J. A. Morad , B. J. Mount , A. St. J. Murphy , C. Nehrkorn , H. N. Nelson , F. Neves , J. A. Nikkel , J. O'Dell , K. O'Sullivan , I. Olcina , M. A. Olevitch , K. C. Oliver-Mallory , K. J. Palladino , E. K. Pease , A. Piepke , S. Powell , R. M. Preece , K. Pushkin , B. N. Ratcliff , J. Reichenbacher , L. Reichhart , C. A. Rhyne , A. Richards , J. P. Rodrigues , H. J. Rose , R. Rosero , P. Rossiter , J. S. Saba , M. Sarychev , R. W. Schnee , M. Schubnell , P. R. Scovell , S. Shaw , T. A. Shutt , C. Silva , K. Skarpaas , W. Skulski , M. Solmaz , V. N. Solovov , P. Sorensen , V. V. Sosnovtsev , I. Stancu , M. R. Stark , S. Stephenson , T. M. Stiegler , K. Stifter , T. J. Sumner , M. Szydagis , D. J. Taylor , W. C. Taylor , D. Temples , P. A. Terman , K. J. Thomas , J. A. Thomson , D. R. Tiedt , M. Timalsina , W. H. To , A. Tomás , T. E. Tope , M. Tripathi , L. Tvrznikova , J. Va'vra , A. Vacheret , M. G. D. van der Grinten , J. R. Verbus , C. O. Vuosalo , W. L. Waldron , R. Wang , R. Watson , R. C. Webb , W. -Z. Wei , M. While , D. T. White , T. J. Whitis , W. J. Wisniewski , M. S. Witherell , F. L. H. Wolfs , D. Woodward , S. Worm , J. Xu , M. Yeh , J. Yin , C. Zhang

Prompt emission polarimetry of Gamma Ray Bursts with ASTROSAT CZT-Imager

X-ray and Gamma-ray polarization measurements of the prompt emission of Gamma-ray bursts (GRBs) are believed to be extremely important for testing various models of GRBs. So far, the available measurements of hard X-ray polarization of GRB…

High Energy Astrophysical Phenomena · Physics 2020-05-27 Tanmoy Chattopadhyay , Santosh V. Vadawale , E. Aarthy , N. P. S. Mithun , Vikas Chand , Ajay Ratheesh , Rupal Basak , A. R. Rao , Varun Bhalerao , Sujay Mate , Arvind B. , Vidushi Sharma , Dipankar Bhattacharya

Prospects of measuring Gamma-ray Burst Polarisation with the Daksha mission

The proposed Daksha mission comprises of a pair of highly sensitive space telescopes for detecting and characterising high-energy transients such as electromagnetic counterparts of gravitational wave events and gamma-ray bursts (GRBs).…

Instrumentation and Methods for Astrophysics · Physics 2023-11-02 Suman Bala , Sujay Mate , Advait Mehla , Parth Sastry , N. P. S. Mithun , Sourav Palit , Mehul Vijay Chanda , Divita Saraogi , C. S. Vaishnava , Gaurav Waratkar , Varun Bhalerao , Dipankar Bhattacharya , Shriharsh Tendulkar , Santosh Vadawale

Hard X-ray and gamma-ray detectors

Space-based astronomy of hard X-rays and gamma rays covers more than seven orders of magnitude in photon energy, from 10 keV to several hundred GeV. Detecting cosmic photons in this energy range is a challenge, due to the relatively low…

Instrumentation and Methods for Astrophysics · Physics 2024-11-20 Vincent Tatischeff , Philippe Laurent

A Combined Compton and Coded-aperture Telescope for Medium-energy Gamma-ray Astrophysics

A future mission in medium-energy gamma-ray astrophysics would allow for many scientific advancements, e.g. a possible explanation for the excess positron emission from the Galactic Center, a better understanding of nucleosynthesis and…

Instrumentation and Methods for Astrophysics · Physics 2018-06-20 Michelle Galloway , Andreas Zoglauer , Steven E. Boggs , Mark Amman

Gaseous time projection chambers for rare event detection: Results from the T-REX project. II. Dark matter

As part of the T-REX project, a number of R&D and prototyping activities have been carried out during the last years to explore the applicability of Micromegas-read gaseous TPCs in rare event searches like double beta decay (DBD), axion…

Instrumentation and Detectors · Physics 2016-05-09 I. G. Irastorza , F. Aznar , J. Castel , S. Cebrián , T. Dafni , J. Galán , J. A. García , J. G. Garza , H. Gómez , D. C. Herrera , F. J. Iguaz , G. Luzón , H. Mirallas , E. Ruiz , L. Seguí , A. Tomás

Modeling of proton-induced radioactivation background in hard X-ray telescopes: Geant4-based simulation and its demonstration by Hitomi's measurement in a low Earth orbit

Hard X-ray astronomical observatories in orbit suffer from a significant amount of background due to radioactivation induced by cosmic-ray protons and/or geomagnetically trapped protons. Within the framework of a full Monte Carlo…

Instrumentation and Methods for Astrophysics · Physics 2018-04-11 Hirokazu Odaka , Makoto Asai , Kouichi Hagino , Tatsumi Koi , Greg Madejski , Tsunefumi Mizuno , Masanori Ohno , Shinya Saito , Tamotsu Sato , Dennis H. Wright , Teruaki Enoto , Yasushi Fukazawa , Katsuhiro Hayashi , Jun Kataoka , Junichiro Katsuta , Madoka Kawaharada , Shogo B. Kobayashi , Motohide Kokubun , Philippe Laurent , Francois Lebrun , Olivier Limousin , Daniel Maier , Kazuo Makishima , Taketo Mimura , Katsuma Miyake , Kunishiro Mori , Hiroaki Murakami , Takeshi Nakamori , Toshio Nakano , Kazuhiro Nakazawa , Hirofumi Noda , Masayuki Ohta , Masanobu Ozaki , Goro Sato , Rie Sato , Hiroyasu Tajima , Hiromitsu Takahashi , Tadayuki Takahashi , Shin'ichiro Takeda , Takaaki Tanaka , Yasuyuki Tanaka , Yukikatsu Terada , Hideki Uchiyama , Yasunobu Uchiyama , Shin Watanabe , Kazutaka Yamaoka , Tetsuya Yasuda , Yoichi Yatsu , Takayuki Yuasa , Andreas Zoglauer

Tiled Array of Pixelated CZT Imaging Detectors for ProtoEXIST2 and MIRAX-HXI

We have assembled a tiled array (220 cm2) of fine pixel (0.6 mm) imaging CZT detectors for a balloon borne wide-field hard X-ray telescope, ProtoEXIST2. ProtoEXIST2 is a prototype experiment for a next generation hard X-ray imager MIRAX-HXI…

Instrumentation and Methods for Astrophysics · Physics 2016-10-26 Jaesub Hong , Branden Allen , Jonathan Grindlay , Barbara Rodrigues , Jon Robert Ellis , Robert Baker , Scott Barthelmy , Peter Mao , Hiromasa Miyasaka , Jeff Apple

Reducing the background in X-ray imaging detectors via machine learning

The sensitivity of astronomical X-ray detectors is limited by the instrumental background. The background is especially important when observing low surface brightness sources that are critical for many of the science cases targeted by…

Instrumentation and Methods for Astrophysics · Physics 2022-08-18 D. R. Wilkins , S. W. Allen , E. D. Miller , M. Bautz , T. Chattopadhyay , R. Foster , C. E. Grant , S. Hermann , R. Kraft , R. G. Morris , P. Nulsen , G. Schellenberger