Zobrazeno 1 - 9
of 9
pro vyhledávání: '"V. D. Ashitkov"'
Autor:
V. I. Yumatov, O. I. Orurk, Tan Nang So, N. G. Polukhina, V. A. Smirnitskii, E. A. Pozharova, V. Ya. Bradnova, V. D. Ashitkov, N. I. Starkov, A. S. Barabash, L. A. Goncharova
Publikováno v:
Bulletin of the Lebedev Physics Institute. 40:357-364
The last results on the preparation of the experiment on the search for double neutrinoless decay using emulsion chambers with molybdenum filling are presented. The results of testing emulsions prepared by the OJSC “Slavich Company” are presented
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb24b9d1ba444a081dae633573b72363
https://doi.org/10.3103/s1068335613120063
https://doi.org/10.3103/s1068335613120063
Autor:
N. P. Egorenkova, T. V. Shchedrina, N. I. Starkov, V. A. Smirnitsky, V. V. Dubinina, V. I. Yumatov, N. G. Polukhina, A. S. Barabash, E. A. Pozharova, V. A. Ditlov, M. M. Chernyavsky, V. Ya. Bradnova, V. D. Ashitkov, S. I. Konovalov
Publikováno v:
Bulletin of the Lebedev Physics Institute. 38:297-301
The possibility of neutrinoless double beta decay is studied in the photoemulsion experiment with Mo-100 isotope. The results of measurements of positron-nucleus collisions for the purpose of estimating the background events simulating 2β-decay in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6d431cebe67f60a6fc85f32ead39ecc
https://doi.org/10.3103/s1068335611100046
https://doi.org/10.3103/s1068335611100046
Autor:
Giovanni Carugno, Ruben Saakyan, V. I. Umatov, S. I. Konovalov, S. G. Belogurov, V. D. Ashitkov, V. N. Stekhanov, G. Puglierin, A. S. Barabash, F. Massera
Publikováno v:
Instruments and Experimental Techniques. 46:153-160
A multisection liquid-argon ionization detector has been developed by the DBA collaboration to study double β decay of 100Mo. The experiment has been carried out in the Gran Sasso underground laboratory in Italy. The detector design and main charact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e525584d8088d6f1f886f75e4cb5a880
https://doi.org/10.1023/a:1023605413765
https://doi.org/10.1023/a:1023605413765
Publikováno v:
Instruments and Experimental Techniques. 44:626-633
The serviceability of a pulse ionization chamber filled with liquefied argon–deuteromethane mixtures was demonstrated. The substances were purified to a level of ∼1.7 × 10–9equiv O2using a Ni/SiO2adsorbent. The dependences of the ionization yi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dc1be314ec33f2e333c3acb4f002a46
https://doi.org/10.1023/a:1012341406225
https://doi.org/10.1023/a:1012341406225
Autor:
G. Puglierin, S. G. Belogurov, A. S. Barabash, V. N. Stekhanov, Giovanni Carugno, F. Massera, V. I. Umatov, Ruben Saakyan, S. I. Konovalov, V. D. Ashitkov
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 110:378-380
Using a liquid argon ionization chamber, the 2νββ decay of 100 Mo was detected with its half- life of (7.5 ± 1.1(stat.) ± 1.5(syst.)) · 10 18 y. The limits on half-lives for the 0ν and 0νχ 0 decays of 100 Mo were estimated as 9.3(5.0) · 10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23ef22277e407cc242b8bdbb1b66f500
https://doi.org/10.1016/s0920-5632(02)01515-3
https://doi.org/10.1016/s0920-5632(02)01515-3
Autor:
V. A. Smirnitsky, V. Ya. Bradnova, V. D. Ashitkov, S. I. Konovalov, N. G. Polukhina, A. S. Barabash, N. I. Starkov, G. I. Orlova, N.M. Okat’eva, Alexander Bagulya, V. I. Umatov, E. A. Pozharova, M.S. Vladimirov, M. M. Chernyavsky
The usage of nuclear emulsion with molybdenum filling for observation of $����$ decay are shown to be possible. Estimates for 1 kg of $^{100}$Mo with zero background give the sensitivity for the $0������$ decay of $^{100}$Mo at th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa8405a783a6e33623d1cfb1320dc701
Autor:
G. Puglierin, I. Vanushin, Giovanni Carugno, V. I. Umatov, Ruben Saakyan, S. I. Konovalov, I.O. Pilugin, S. G. Belogurov, A.S. Barabash, V. N. Stekhanov, V. D. Ashitkov
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 70:233-235
First two runs with 138.7 g of 100 Mo were done 9202 h and 238 h). Limits on half-lives for 0ν- and 0νχ 0 -decays of 100 Mo were obtained, > 2.3 · 10 21 y and 0.8 · 10 20 y, respectively at 90% CL. Also the limit on the content of radioactive 42
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b80b6d235fea8c91f5bf27268927f636
https://doi.org/10.1016/s0920-5632(98)00425-3
https://doi.org/10.1016/s0920-5632(98)00425-3
Autor:
Giovanni Carugno, S. G. Belogurov, R. Saakyan, I. Vanushin, G. Puglierin, I. Pilugin, S. I. Konovalov, A. S. Barabash, V. D. Ashitkov, V. I. Umatov, V. N. Stekhanov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 416:179-181
Using a liquid argon ionization chamber a new experimental limit on the 42 Ar content in the Earth’s atmosphere was found to be less than 6×10 −21 parts of 42 Ar per part of nat Ar at the 90% CL.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::257660d33c2fefc38dfa35498e75d64b
https://doi.org/10.1016/s0168-9002(98)00740-2
https://doi.org/10.1016/s0168-9002(98)00740-2
Autor:
V. N. Stekhanov, V. D. Ashitkov, Ruben Saakyan, G. Puglierin, S. G. Belogurov, G. Carugno, V. I. Umatov, S. I. Konovalov, A.S. Barabash, F. Massera
Publikováno v:
Neutrino Physics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37e63acbd806d0e03c0a2fe922f00d07
https://doi.org/10.1142/9789812811714_0034
https://doi.org/10.1142/9789812811714_0034