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The possible use of a Spherical Proportional Counter for the search of neutrinoless double beta decay is investigated in the R2D2 R&D project. Dual charge and scintillation light readout may improve the detector performance. Tests were…

For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper,…

We report the first results from an X-ray polarimeter with a micropattern gas proportional counter using an amorphous silicon active matrix readout. With 100% polarized X-rays at 4.5 keV, we obtain a modulation factor of 0.33 +/- 0.03,…

Instrumentation and Detectors · Physics 2015-06-26 J. K. Black , P. Deines-Jones , S. E. Ready , R. A. Street

The spherical proportional counter is a novel gaseous detector with numerous applications, including direct dark matter searches and neutron spectroscopy. The strengths of the Geant4 and Garfield++ toolkits are combined to create a…

Instrumentation and Detectors · Physics 2020-06-11 I. Katsioulas , P. Knights , J. Matthews , T. Neep , K. Nikolopoulos , R. Owen , R. Ward

For the International Large Detector (ILD) at the planned International Linear Collider (ILC) a Time Projection Chamber (TPC) is foreseen as the main tracking detector. To achieve the required point resolution, Micro-Pattern Gaseous…

Instrumentation and Detectors · Physics 2020-06-26 Ties Behnke , Ralf Diener , Ulrich Einhaus , Uwe Krämer , Paul Malek , Oliver Schäfer , Mengqing Wu

Characteristics of a scintillation proportional counter with WLS fiber optics readout is described. The possibility of detection of the proportional scintillation signal produced by the single electron of primary ionization is shown. The…

High Energy Physics - Experiment · Physics 2009-09-25 D. Yu. Akimov , A. A Burenkov , D. L. Churakov , V. F. Kuzichev , V. L. Morgunov , G. N. Smirnov , V. N. Solovov

Identifying the relativistic multipole moments of a spacetime of an astrophysical object that has been constructed numerically is of major interest, both because the multipole moments are intimately related to the internal structure of the…

General Relativity and Quantum Cosmology · Physics 2012-06-12 George Pappas , Theocharis A. Apostolatos

A new anode support structure for the spherical proportional counter is presented that incorporates a resistive correction electrode made of glass. This electrode improves the electric field homogeneity versus angle while suppressing the…

Instrumentation and Detectors · Physics 2018-12-05 I. Katsioulas , I. Giomataris , P. Knights , M. Gros , X. F. Navick , K. Nikolopoulos , I. Savvidis

A time projection chamber (TPC) with micropattern gaseous detector (MPGD) readout is investigated as main tracking device of the International Large Detector (ILD) concept at the planned International Linear Collider (ILC). A prototype TPC…

It was recently discovered that waves scattering off a $Q$-ball can extract energy from it. We present an analytical treatment of this process by adopting a multi-step function approximation for the background field, which yields…

High Energy Physics - Theory · Physics 2025-11-03 Guo-Dong Zhang , Shuang-Yong Zhou , Meng-Fan Zhu

The demand for a large number of readout channels has been a limiting factor for the application of Micro-pattern Gaseous Detectors (MPGDs) in achieving higher spatial resolution and larger detection areas. This challenge is further…

Instrumentation and Detectors · Physics 2025-05-22 Yu Wang , Shubin Liu , Hao Zhuang , Zhengwu Ding , Zhihang Yao , Changqing Feng , Zhiyong Zhang

A readout electronics used in space cosmic-ray charges measurement for multi-channel silicon detector and its performance test results are introduced in this paper. A 64-channel charge sensitive ASIC (VA140) from IDEAS company is adopt in…

Instrumentation and Detectors · Physics 2013-07-12 Zhang Fei , Fan Rui-Rui , Peng Wen-Xi , Dong Yi-Fan , Gong Ke , Liang Xiao-Hua , Liu Ya-Qing , Wang Huan-Yu

The requirement of a large number of electronic channels poses a big challenge for Micro-pattern Gas Detector (MPGD) to achieve good spatial resolution. By using the redundancy that at least two neighboring strips record the signal of a…

Instrumentation and Detectors · Physics 2016-08-03 Bin-Xiang Qi , Shu-Bin Liu , Heng Ji , Zhong-Tao Shen , Si-Yuan Ma , Hong-Bang Liu , Wen-Qian Huang , Qi An

Directional wavelet dictionaries are hierarchical representations which efficiently capture and segment information across scale, location and orientation. Such representations demonstrate a particular affinity to physical signals, which…

Instrumentation and Methods for Astrophysics · Physics 2024-03-15 Matthew A. Price , Alicja Polanska , Jessica Whitney , Jason D. McEwen

The Spherical gaseous detector (or Spherical Proportional Counter, SPC) has a broad range of applications. In this work, we will focus on the light WIMP Dark Matter particle search, that is, below a few GeV. The NEWS-G collaboration…

Instrumentation and Detectors · Physics 2020-03-18 Ali Dastgheibi-Fard , Gilles Geribier

Metallic magnetic micro-calorimeters (MMCs) operated at millikelvin temperature offer the possibility to achieve eV-scale energy resolution with high stopping power for X-rays and massive particles in an energy range up to several tens of…

A large volume time projection chamber (TPC) has been proposed as main tracking device for a detector at a future linear e+e- collider. Gas electron multipliers (GEMs) are studied as potential replacement of the conventional wire based gas…

Instrumentation and Detectors · Physics 2007-05-23 Peter Wienemann

In this study an array of eight 6 mm x 6 mm area SiPMs was coupled to the end of a long plastic scintillator counter which was exposed to a 2.5 GeV/c muon beam at the CERN PS. Timing characteristics of bars with dimensions 150 cm x 6 cm x 1…

Instrumentation and Detectors · Physics 2017-12-19 C. Betancourt , A. Blondel , R. Brundler , A. Datwyler , Y. Favre , D. Gascon , S. Gomez , A. Korzenev , P. Mermod , E. Noah , N. Serra , D. Sgalaberna , B. Storaci

A large volume Time Projection Chamber (TPC) has been proposed as main tracking device at the International Linear Collider (ILC). Gas electron multipliers (GEMs) are studied as potential replacement of the conventional wire based gas…

Instrumentation and Detectors · Physics 2007-05-23 Peter Wienemann

The concept of a hybrid readout of a time projection chamber is presented. It combines a GEM-based amplification and a pad-based anode plane with a pixel chip as readout electronics. This way, a high granularity enabling to identify…

Instrumentation and Detectors · Physics 2017-04-06 Ulrich Einhaus , Jochen Kaminski