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2 results on '"S., Koldashov"'

1. The multilayer scintillation detector of high-energy charged particles for satellite experiments

Author

S Koldashov, S Aleksandrin, A Kuznetcov, V Loginov, and A Batischev

Subjects
Physics, History, Photomultiplier, Spacecraft, Physics::Instrumentation and Detectors, business.industry, Magnetosphere, Electron, Scintillator, Charged particle, Computer Science Applications, Education, Microsecond, Optics, Angular resolution, business
Abstract

We present the detection system of high-energy charged particle telescope-spectrometer for space experiment, which is scheduled to take place on the outside the Russian segment of The International Space Station (ISS) and other spacecrafts and small satellites. One of the scientific objectives of experiment is to study electron beams propagation in the magnetosphere. Such a beam can form in acceleration electrons by high-altitude electrical discharge and are injected in the magnetosphere. The detection system for this experiment is developed on the basis of the multilayer scintillation detector (MSD). The MSD is made by polystyrene plates viewed photomultipliers. It can detect 3-30 MeV intense electron beams (up to~105 cm−2s−1) of up several milliseconds, can measure time profiles with accuracy ~ 1 microsecond and energy spectra of particles evolution. MSD's main parameters: geometric factor ~40 cm2·sr, trigger system time resolution ~20 ns, energy resolution 5-10%, angular resolution ~ 10 grad.

Published
2013

2. A search algorithm for finding Cosmic-Ray anisotropy with the PAMELA calorimeter

Author

S. V. Koldashov, S. Y. Krutkov, Maria Teresa Ricci, E. Mocchiutti, S. V. Borisov, S. Bottai, V. Bonvicini, V. V. Malakhov, L. Consiglio, P. Picozza, Y. I. Stozhkov, Ritabrata Sarkar, P. Spillantini, M. D. Kheymits, R. Carbone, Lorenzo Bonechi, Giovanna Jerse, C. Pizzolotto, G. Zampa, Roberta Sparvoli, S. A. Voronov, D. Campana, G. Castellini, Per Carlson, Alfonso Monaco, E. A. Bogomolov, Marco Casolino, V. Di Felice, Sergey Koldobskiy, G. C. Barbarino, M. P. De Pascale, A. V. Karelin, Laura Rossetto, N. N. Nikonov, V. G. Zverev, G. Osteria, William Gillard, L. Marcelli, Y. T. Yurkin, A. Vacchi, A. Bruno, N. De Simone, Roberto Bellotti, N. Zampa, G. A. Bazilevskaya, Mirko Boezio, A. N. Kvashnin, A. M. Galper, Juan Wu, A. G. Mayorov, F. Cafagna, Mark Pearce, S. B. Ricciarini, P. Papini, E. Vannuccini, V. V. Mikhailov, C. De Santis, F. Palma, Nicola Mori, M. Simon, A. A. Leonov, O. Adriani, W. Menn, G. I. Vasilyev, M. Bongi, A., Karelin, O. b., Adriani, Barbarino, Giancarlo, G., Bazilevskaya, R. g., Bellotti, M., Boezio, E., Bogomolov, L. b., Bonechi, M., Bongi, V., Bonvicini, S. k., L, S., Bottai, A. g., Bruno, F., Cafagna, D., Campana, R. k., Carbone, P., Carlson, M. r., Casolino, G., Castellini, Consiglio, Lucia, M. k., De, C. k., De, N. k., De, V. D., Felice, A., Galper, W., Gillard, G. o., Jerse, M., Kheymit, S., Koldashov, S., Koldobskiy, S., Krutkov, A., Kvashnin, A., Leonov, A., Mayorov, V., Malakhov, L., Marcelli, W., Menn, V., Mikhailov, E., Mocchiutti, A., Monaco, N. b., Mori, N. j., K, Osteria, Giuseppe, F. k., Palma, P., Papini, M., Pearce, P. k., Picozza, C., Pizzolotto, M., Ricci, S., Ricciarini, R., Sarkar, L., Rossetto, M., Simon, R. k., Sparvoli, P. b., Spillantini, Y., Stozhkov, A., Vacchi, E., Vannuccini, G., Vasilyev, S., Voronov, J., Wu, Y., Yurkin, G., Zampa, N., Zampa, and V., Zverev

Subjects
Physics, History, Range (particle radiation), Spectrometer, Calorimeter (particle physics), Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, Particle identification, Particle detector, Settore FIS/04 - Fisica Nucleare e Subnucleare, Computer Science Applications, Education, Nuclear physics, Physics and Astronomy (all), Particle shower, High Energy Physics::Experiment, Satellite, Anisotropy, Calorimeters, Cosmic ray measurement, Cosmic rays, Cosmic ray energies, Energy ranges, In-orbit, Measurements of, Near-earth spaces, Search Algorithms, Secondary particles, Wide energy range
Abstract

The PAMELA project is the satellite experiment for measurements of the cosmic ray energy spectra in a wide energy range in near-Earth space. The PAMELA apparatus is in orbit from 2006 till today. The calorimeter is the main part of the instrument. It is able to measure energy, to distinguish between hadrons and electrons and to reconstruct the arriving particle direction. Using of special triggers for the calorimeter allows significant increasing of statistics. In consideration of these facts the technique of anisotropy searching in the energy range extending higher than 10 GeV has been developed. This technique is based on the calorimeter data and has as content the advanced method of the reconstruction of the secondary particle shower axis in the calorimeter.

Published
2013

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