Self-quenching streamer mode accompanied by escaping photon studies

Döll, P.; Daumiller, K.; Klages, H.O.; Mondry, G.; Müller, H.

doi:10.1016/0168-9002(94)90277-1

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…within a few millimeters of the anode and disappear in longer distances, where the field becomes weak [10,11]. If the voltage is large enough, a single electron can create a streamer.…”

Section: Jinst 13 P05024mentioning

confidence: 99%

A New Approach for Alpha Radiography by Triple THGEM using Monte Carlo Simulation and Measurement

2018

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In this research, alpha imaging in Self Quenching Streamer (SQS) mode is investigated using a triple Thick Gas Electron Multiplier (THGEM) detector by Monte Carlo method and experimental data. First, a semi-empirical equation is derived to represent the relation between the SQS voltage and the alpha energy in every hole of the triple THGEM. The accuracy of this equation is tested and confirmed by a high degree of consistency. Secondly, the images of objects that are irradiated by Am-241 alpha source (5.49 MeV) are recorded by a CMOS camera using triple THGEM detector in the SQS mode. The resolution of images in this paper is a function of the exposure time. For an alpha source with 150 kBq activity, an optimal time interval for exposure is about 30 sec. For exposure time less or more than 30 sec, the images are incomplete and ambiguous, respectively. The overall objective of this work is to facilitate the alpha radiography in nuclear imaging through a triple THGEM without any amplifier or complicated electrical equipment. K: Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc); Gaseous imaging and tracking detectors; Heavy-ion detectors; Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc) 1Corresponding author.

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“…within a few millimeters of the anode and disappear in longer distances, where the field becomes weak [10,11]. If the voltage is large enough, a single electron can create a streamer.…”

Section: Jinst 13 P05024mentioning

confidence: 99%

A New Approach for Alpha Radiography by Triple THGEM using Monte Carlo Simulation and Measurement

2018

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Streamer tubes for KASCADE muon detectors

Döll¹,

Brandt²,

Daumiller³

et al. 1995

Nuclear Instruments and Methods in Physics Research Section A:

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Muon tracking detector for the air shower experiment KASCADE

Döll¹,

Bartl

Büttner³

et al. 2002

Nuclear Instruments and Methods in Physics Research Section A:

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A large area streamer tube detector, located within the KASCADE experiment, has been built with the aim to identify muons and their directions from extensive air showers by track measurements under more than 18 r.l. shielding. 1000 streamer tube chambers of 4 m length have been produced and tested. The detector concept is presented. The influence of the design and operational factors on the detector performance are shown. Various approaches to determine the angular resolution of the muon tracking detector are discussed. r

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Self-quenching streamer mode accompanied by escaping photon studies

Cited by 3 publications

References 24 publications

A New Approach for Alpha Radiography by Triple THGEM using Monte Carlo Simulation and Measurement

A New Approach for Alpha Radiography by Triple THGEM using Monte Carlo Simulation and Measurement

Streamer tubes for KASCADE muon detectors

Muon tracking detector for the air shower experiment KASCADE

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