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A new type of radiation detector based on a spherical geometry is presented. The detector consists of a large spherical gas volume with a central electrode forming a radial electric field. Charges deposited in the conversion volume drift to…

The spherical proportional counter is a versatile gaseous detector with physics applications ranging from rare event searches to fast neutron spectroscopy. In its simplest form, the detector operates with a single channel read-out, and uses…

Instrumentation and Detectors · Physics 2022-11-22 I. Katsioulas , P. Knights , I. Manthos , J. Matthews , T. Neep , K. Nikolopoulos , R. Ward

The multi-anode sensor ACHINOS revolutionised the capabilities of the spherical proportional counter by enabling large-size, high-pressure, operation and TPC-like reconstruction capabilities through individual anode read-out. First…

Instrumentation and Detectors · Physics 2024-01-19 D. Herd , I. Katsioulas , P. Knights , I. Manthos , J. Matthews , L. Millins , T. Neep , K. Nikolopoulos , G. Rogers

Spherical proportional counters (SPCs) are gaseous particle detectors sensitive to single ionization electrons in their target media, with large detector volumes and low background rates. The $\mbox{NEWS-G}$ collaboration employs this…

A hybrid readout Time Projection Chamber (TPC) has a simultaneous optical- and charge readout. The optical readout provides 2D images of particle tracks in the active volume, whilst the charge readout provides additional information on the…

Instrumentation and Detectors · Physics 2022-12-21 Alexander Deisting

The Spherical Proportional Counter is a novel type of radiation detector, with a low energy threshold (typically below 100 eV) and good energy resolution. This detector is being developed by the network NEWS, which includes several…

Instrumentation and Detectors · Physics 2015-01-09 F. J. Iguaz , A. Rodriguez , J. F. Castel , I. G. Irastorza

A new readout technique was developed with the primary aim of keeping the number of channels in the front-end electronics as low as possible when scaling up the sensitive area of a Resistive Plate Chamber (RPC). The readout method here…

Instrumentation and Detectors · Physics 2024-07-16 João Pedro de Carvalho Saraiva , Alberto Blanco Castro

The spherical proportional counter is a gaseous detector used in a variety of applications, including direct dark matter and neutrino-less double beta decay searches. The ACHINOS multianode structure is a read-out technology that overcomes…

Instrumentation and Detectors · Physics 2020-11-26 I. Giomataris , M. Gros , I. Katsioulas , P. Knights , J. -P. Mols , T. Neep , K. Nikolopoulos , G. Savvidis , I. Savvidis , L. Shang , R. Ward , Y. Zhou

The conventional readout method of the RPC detector uses two sets of orthogonal readout strips placed at the both sides of the gas gap to collect signals of opposite polarities to obtain space points. A new readout method utilizing the…

Instrumentation and Detectors · Physics 2022-11-22 Y. X. Ding , X. Y. Xie , J. X. Li , K. L. Han , Y. J. Sun

Micro-pattern gas detectors, such as the Gas Electron Multiplier (GEM) and the Micromegas need narrow high density anode readout elements to achieve good spatial resolution. A high-density anode readout would require an unmanageable number…

Instrumentation and Detectors · Physics 2011-07-19 M. S. Dixit , J. Dubeau , J. -P. Martin , K. Sachs

We introduce a frequency-multiplexed readout scheme for superconducting phase qubits. Using a quantum circuit with four phase qubits, we couple each qubit to a separate lumped-element superconducting readout resonator, with the readout…

A scintillation proportional counter with wavelength shifting fiber readout filled with Xe or Kr under a pressure of up to 20 atm is proposed for the low-background experiments on search for dark matter of the Universe and 2K-decay of 78…

Instrumentation and Detectors · Physics 2008-02-03 D. Yu. Akimov , A. A. Burenkov , V. F. Kuzichev , V. L. Morgunov , V. N. Solovov

Charge amplification in liquids could provide single-phase xenon time projection chambers with background discrimination and fiducialisation capabilities similar to those found in dual-phase detectors. Although efforts to achieve the high…

Instrumentation and Detectors · Physics 2024-01-05 P. Knights , H. Sekiya , I. Katsioulas , K. Nikolopoulos , K. Kanzawa , I. Giomataris

A large Time Projection Chamber is proposed as part of the tracking system for a detector at the TESLA electron positron linear collider. Different ongoing R&D studies are reviewed, stressing progress made on a new type readout technique…

High Energy Physics - Experiment · Physics 2009-11-07 Nabil Ghodbane

A new Time Projection Chamber (TPC) is currently under development for the sPHENIX experiment at RHIC. The TPC will be read out using multistage GEM detectors on each end and will be divided into approximately 40 pad layers in radius. Each…

Instrumentation and Detectors · Physics 2018-08-15 B. Azmoun , P. Garg , T. K. Hemmick , M. Hohlmann , A. Kiselev , M. L. Purschke , C. Woody , A. Zhang

This paper presents a readout system designed for testing the prototype of Small-Strip Thin Gap Chamber (sTGC), which is one of the main detector technologies used for ATLAS New-Small-Wheel Upgrade. This readout system aims at testing one…

Instrumentation and Detectors · Physics 2018-06-26 Peng Miao , Feng Li , ShengQuan Liu , ZhiLei Zhang , Tianru Geng , Xinxin Wang , Shuang Zhou , Ge Jin

A micro time-projection-chamber (micro-TPC) with a detection volume of 23*28*31 cm^3 was developed, and its fundamental performance was examined. The micro-TPC consists of a micro pixel chamber with a detection area of 31*31 cm^2 as a…

We find an improved estimate of the radius of analyticity of the pressure of the hard-sphere gas in $d$ dimensions. The estimates are determined by the volume of multidimensional regions that can be numerically computed. For $d=2$, for…

Mathematical Physics · Physics 2009-11-13 Roberto Fernandez , Aldo Procacci , Benedetto Scoppola

A gas Xe based scintillation proportional counter with cylindrical geometry and wavelength shifting (WLS) fiber readout for X-rays of energy 0.5 - 100 keV is proposed. With such a design large sizes and sensitive area of the counter with a…

High Energy Physics - Experiment · Physics 2009-10-30 D. Akimov , S. Belogurov , A. Burenkov , D. Churakov , V. Kuzichev , V. Morgunov , G. Smirnov , V. Solovov

The gaseous proportional counter is a device that can be used to detect ionizing radiation. These devices can be as simple as a cylindrical cathode and a very thin anode wire centered along its axis. By applying a high voltage, a strong…

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