Research on discharges in micropattern and small gap gaseous detectors (2009)
This report summarizes the present knowledge on discharges in micropattern and small gap gaseous detectors and the physical mechanisms involved. These include the space-charge (Raether's) limit,...
Azevedo, C. D. R., Cortesi, M., Lyashenko, A. V., Breskin, A., Chechik, R., Miyamoto, J., ...
The article deals with the detection efficiency of UV-photon detectors consisting of Thick Gas Electron Multipliers (THGEM) coated with CsI photocathode, operated in atmospheric Ne/CH4 and Ne/CF4...
Charpak, G., Benaben, P., Breuil, P., Martinengo, P., Nappi, E., Peskov, V.
In this paper we present a prototype of a Strip Resistive Thick GEM photosensitive gaseous detector filled with Ne and ethylferrocene vapours at a total pressure of 1 atm for an early forest fire...
The physics and technology of gaseous particle detectors (2009)
Despite an already long and fruitful history, gaseous elementary-particle detectors remain today an important mainstay of high-energy and nuclear physics experiments and of radiation detection in...
Advances in Micro-Pattern Gaseous Detectors and their Applications (2009)
In the last decade, several new imaging gaseous detectors, called micro-pattern gaseous detectors, have been conceived and rapidly developed. In this paper, the most popular designs of these...
THGEM operation in Ne and Ne/CH4 (2009)
Cortesi, M., Peskov, V., Bartesaghi, G., Miyamoto, J., Cohen, S., Chechik, R., ...
The operation of Thick Gaseous Electron Multipliers (THGEM) in Ne and Ne/CH4 mixtures, features high multiplication factors at relatively low operation potentials, in both single- and double-THGEM...
GEMs with Double Layred Micropattern Electrodes and their Applications (2008)
Di Mauro, A., Martinengo, P., Nappi, E., Oliveira, R., Peskov, V., Pietropaolo, F., ...
We have developed and tested several new designs of GEM detectors with micropattern electrodes manufactured by microelectronic technology. In one design, the inner layer of the detector electrode...
Study of GEM-like detectors with resistive electrodes for RICH applications (2007)
Agocs, A. G., Di Mauro, A., David, A. Ben, Clark, B., Martinengo, P., Nappi, E., ...
We have developed prototypes of GEM-like detectors with resistive electrodes to be used as RICH photodetectors equipped with CsI photocathodes. The main advantages of these detectors are their...
Development of New Hole-Type Avalanche Detectors and the First Results of their Applications (2007)
Charpak, G., Benaben, P., Breuil, P., Di Mauro, A., Martinengo, P., Peskov, V.
We have developed a new detector of photons and charged particles- a hole-type structure with electrodes made of a double layered resistive material: a thin low resistive layer coated with a layer...
Charpak, G., Benaben, P., Breuil, P., Peskov, V.
Ionization chambers working in ambient air in current detection mode are widely used in several applications such as smoke detection, dosimetry, therapeutic beam monitoring and cetera. The aim of...
Clark, B., Agocs, A. G., Oliveira, R., Peskov, V.
We report promising initial results obtained with new resistive-electrode GEM (RETGEM) detectors manufactured, for the first time, using screen printing technology. These new detectors allow one to...
Di Mauro, A., Lund-Jensen, B., Martinengo, P., Nappi, E., Oliveira, R., Peskov, V., ...
The paper summarizes our latest progress in the development of newly introduced micro pattern gaseous detectors with resistive electrodes. These resistive electrodes protect the detector and the...
The current progress of the ALICE Ring Imaging Cherenkov Detector (2007)
Braem, A., De Cataldo, G., Davenport, M., Di Mauro, A., Franco, A., Gallas, A., ...
Recently, the last two modules (out of seven) of the ALICE High Momentum Particle Identification detector (HMPID) were assembled and tested. The full detector, after a pre-commissioning phase, has...
First Tests of Thick GEMs with Electrodes Made of a Resistive Kapton (2007)
Oliveira, R., Peskov, V., Pietropaolo, F., Picchi, P.
We have developed a new design of a GEM-like detector with single-layer electrodes made of a resistive kapton. This detector can operate at gains close to 10E5 even in pure Ar and Ne and if transited...
A Novel UV Photon Detector with Resistive Electrodes (2006)
Bidault, J. M., Fonte, P., Francke, T., Galy, P., Peskov, V., Rodionov, I.
In this study we present first results from a new detector of UV photons: a thick gaseous electron multiplier (GEM) with resistive electrodes, combined with CsI or CsTe/CsI photocathodes. The hole...
Photosensitive Gaseous Detectors for Cryogenic Temperature Applications (2005)
Periale, L., Peskov, V., Iacobaeus, C., Lund-Jensen, B., Picchi, P., Pietropaolo, F., ...
There are several proposals and projects today for building LXe Time Projection Chambers (TPCs) for dark matter search. An important element of these TPCs are the photomultipliers operating either...
Electron avalanches in liquid argon mixtures (2004)
Kim, J.G., Dardin, S.M., Kadel, R.W., Kadyk, J.A., Wenzel, W.B., Peskov, V.
Further studies of electron avalanche gain in liquid argon (2003)
Kim, J.G., Dardin, S.M., Kadel, R.W., Kadyk, J.A., Jackson, K.H., Peskov, V., ...
Previously we showed how small admixtures of xenon (Xe) stabilize electron avalanches in liquid Argon (LAr). In the present work, we have measured the positive charge carrier mobility in LAr with...
ON IONIZATION INSTABILITIES OF HIGH PRESSURE DISCHARGES (1979)
Recently there was discovered an instability of high pressure discharges [1-3] but the mechanism of such instability has not been studied. This report is devoted to the experimental investigation of...
ON THE INLFUENCE OF ELECTRODES ON THE PROPERTIES OF HIGH PRESSURE DISCHARGE (1979)
It is known, that in the nearelectrode regions of low pressure arcs there occur a lot of exotic phenomena [1]. As for the high pressure discharges, the information about the electrode phenomena is...
ON THE VUV RADIATION OF TOWNSEND AVALANCHES (1979)
Gas scintillation counters of radiation intensiuvely developed in last years, are advanced compared to proportional gas counters by their enhansed energy resolution [1] In such a counters there is...