Performance and applications of a μμ-TPC

Miuchi, K.; Kubo, H.; NAGAYOSHI, T; Okada, Yukari; Orito, R.; Takada, Akemi; Takeda, Akira; Tanimori, T.; Ueno, Makoto; Bouianov, Oleg

doi:10.1016/s0168-9002(04)01610-9

Cited by 3 publications

(3 citation statements)

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“…With the magnetic field, the micro-time projection chamber (μ-TPC) mode [14] is widely used to reconstruct the incident point of the inclined track. As shown in figure 6, the μ-TPC mode detects the time, position and charge information of each primary ionized electron cloud among the track, then reconstruct the whole 3D track, and finally locate the incident point.…”

Section: The Combined Hit Reconstruction Algorithmmentioning

confidence: 99%

Design and simulation of a cylindrical μRWELL inner tracker for the experiment at the Super Tau-Charm Facility

et al. 2023

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The Super Tau-Charm Facility (STCF) is a future electron-positron collider operating in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5 × 1035 cm-2s-1. A high-performance detector is required for the STCF experiment to meet the STCF physics goals. A low-material cylindrical inner tracker based on the micro-resistive well detector (μRWELL) is proposed for the STCF experiment. In this paper, the design of the μRWELL inner tracker is presented. A good balance between material budget, structural strength, and detector performance is achieved in the design where the material budget of the μRWELL inner tracker is estimated to be 0.29% X/X0, a 40% reduction w.r.t. that of the cylindrical gas electron multiplier (CGEM) detector used at the KLOE experiment. The hit position of the detector is reconstructed using an algorithm combing the micro-time projection chamber (μ-TPC) method and the charge center-of-gravity method. The detector performance was studied in detail using simulation with Garfield and Geant4. With the optimum working gas of Ar: CO2 = 85:15, this detector can obtain a spatial resolution better than 100 μm and 400 μm in 1 T magnetic field in rφ and beamline direction, respectively. The simulated momentum resolution and vertex resolution of the whole STCF tracking system including the μRWELL inner tracker and a large drift chamber can meet the requirements for the STCF detector, benefiting from the optimized inner tracker design.

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Section: The Combined Hit Reconstruction Algorithmmentioning

confidence: 99%

Design and simulation of a cylindrical μRWELL inner tracker for the experiment at the Super Tau-Charm Facility

et al. 2023

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“…This ETCC allowed three-dimensional (3D) position identification of the detected electron. Compared with other detectors, gaseous detectors show a better recoil–electron-tracking performance because of reduced multiple scatterings, although their detection efficiency is poor [ 130 ]. Muichi et al [ 130 ] used various types of detectors as absorbers, one of which had a front detector sized at 10 × 10 × 8 cm 3 , a TPC (ethane) as the scatterer, and a 6 × 6 × 13 cm 2 gadolinium orthosilicate (GSO) scintillator array as the absorber [ 129 ].…”

Section: Types Of Compton Camerasmentioning

confidence: 99%

Development and Applications of Compton Camera—A Review

Parajuli

Sakai

Parajuli³

et al. 2022

Sensors

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The history of Compton cameras began with the detection of radiation sources originally for applications in astronomy. A Compton camera is a promising γ-ray detector that operates in the wide energy range of a few tens of keV to MeV. The γ-ray detection method of a Compton camera is based on Compton scattering kinematics, which is used to determine the direction and energy of the γ-rays without using a mechanical collimator. Although the Compton camera was originally designed for astrophysical applications, it was later applied in medical imaging as well. Moreover, its application in environmental radiation measurements is also under study. Although a few review papers regarding Compton cameras have been published, they either focus very specifically on the detectors used in such cameras or the particular applications of Compton cameras. Thus, the aim of this paper is to review the features and types of Compton cameras and introduce their applications, associated imaging algorithms, improvement scopes, and their future aspects.

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“…A M 3 -PIC was developed as a novel MPGD with high stable gas gain and low ion backflow [1]. This detector is based on Micro-Pixel Chamber (µ-PIC), developed as a real-time particle imaging detector [2,3] and has recently been used as a micro-TPC, a Compton gamma-ray camera, and for X-ray imaging [4,5]. A M 3 -PIC has been developed as a position sensitive detector with superior gas gain and operation stability performance.…”

Section: Introductionmentioning

confidence: 99%

Development of Micro-Mesh Micro-Pixel Chamber

Ochi¹,

Homma²,

Inoue³

et al. 2009

J. Inst.

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A Micro-Mesh Micro-Pixel Chamber (M 3 -PIC) was developed for particle imaging and/or a TPC readout. M 3 -PIC is expected to improve the gaseous gain and the ion backflow more than existing Micro-Pattern Gaseous Detectors (MPGDs). A prototype (3 cm × 3 cm) was manufactured and tested. Stable operation for a month was achieved with a gas gain of 2×10 4 using an Ar: ethane = 50:50 gas mixture. The operation properties were also tested using CF 4 based gases.

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Performance and applications of a μμ-TPC

Cited by 3 publications

References 0 publications

Design and simulation of a cylindrical μRWELL inner tracker for the experiment at the Super Tau-Charm Facility

Design and simulation of a cylindrical μRWELL inner tracker for the experiment at the Super Tau-Charm Facility

Development and Applications of Compton Camera—A Review

Development of Micro-Mesh Micro-Pixel Chamber

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