Zobrazeno 1 - 10
of 12
pro vyhledávání: '"G. R. Kartashov"'
Publikováno v:
JETP Letters. 90:499-503
Experiments confirming the previous data on the small real width of the γ resonance of 109mAg have been performed with a gravitational gamma-ray spectrometer. The achieved resolution is eight orders of magnitude higher than that of Mossbauer spectro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::916b3ba8c51c11db154988c90f530f24
https://doi.org/10.1134/s0021364009190011
https://doi.org/10.1134/s0021364009190011
Initial studies of the gamma resonance of the 109m Ag isomer with a gravitational gamma spectrometer
Autor:
Yu. N. Isaev, Yu.D. Bayukov, V. G. Alpatov, G. R. Kartashov, A. V. Davydov, M. M. Korotkov, V. V. Migachev
Publikováno v:
Physics of Atomic Nuclei. 71:1156-1162
The problem of observing the Mossbauer resonance absorption of gamma rays from long-lived isomers is briefly outlined, first and foremost for 109m Ag taken as an example. Experiments indicative of a small broadening of the Mossbauer gamma line of thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fa6b1ef4d399dc5c46d9277533eda0b
https://doi.org/10.1134/s1063778808070053
https://doi.org/10.1134/s1063778808070053
Autor:
G. R. Kartashov, Yu.D. Bayukov, V. G. Alpatov, Yu. N. Isaev, M. M. Korotkov, I. N. Rozantsev, A. V. Davydov, M. G. Shchepkin, V. V. Migachev
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 72:769-772
Experiments on the search for the effect of resonant screening on the Mossbauer absorption of 119mSn γ rays of energy 23.8 keV emitted by a standard Mossbauer Ca119mSnO3 γ source in the resonant SnO2 absorber of natural isotopic composition are des
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b00b68f76f59f8c4799ccc7698dd4d3
https://doi.org/10.3103/s1062873808060129
https://doi.org/10.3103/s1062873808060129
Publikováno v:
Measurement Techniques. 48:194-198
Descriptions are given of the operating principle and design of a gravitational Mossbauer spectrometer based on the long-lived isomer 109mAg. The measured quantity is the 88 keV γ-ray intensity from a fairly thick silver source containing atoms of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2ca303a64f877f8c46d07c91ca5184b
https://doi.org/10.1007/s11018-005-0122-0
https://doi.org/10.1007/s11018-005-0122-0
Autor:
Yu. N. Isaev, Yu.D. Bayukov, M. M. Korotkov, G. R. Kartashov, V. M. Samoylov, V. G. Alpatov, A. V. Davydov
Publikováno v:
Journal of Experimental and Theoretical Physics Letters. 78:611-614
Experiments on a search for the resonance environmental effect on the decay periods T1/2 of long-lived nuclear isomers are described. It is shown that a change in T1/2 obtained upon sample cooling in previous experiments with the 180mHf isomer is lik
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b390dfd55d9003a71fefc56353200748
https://doi.org/10.1134/1.1644302
https://doi.org/10.1134/1.1644302
Autor:
V. G. Alpatov, A. V. Davydov, Yu.D. Bayukov, M. M. Korotkov, G. R. Kartashov, Yu. N. Isaev, V. M. Samoylov
Publikováno v:
Journal of Experimental and Theoretical Physics Letters. 73:385-388
Experiments on measuring the decay periods of long-lived 180mHf and 87mSr isomers at room temperature and at 77 K in massive samples of HfO2, Sr(NO3)2, and SrCO3 are reported. The isomeric nuclear states were excited by irradiating the samples with n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b63fb57837614ac74f69d81e8c3f2d81
https://doi.org/10.1134/1.1381632
https://doi.org/10.1134/1.1381632
Autor:
L. Ya. Memelova, V. L. Alpatov, A. A. Sadovskii, N. Ya. Tret'yakova, G. R. Kartashov, Yu. N. Isaev, A. V. Davydov
Publikováno v:
Measurement Techniques. 42:77-85
The probability of recoil-free 35.5-keV γ-ray emission from125mTe and the Debye temperature θD of beryllium telluride were determined by measuring Mossbauer self-absorption of γ radiation using a “black” absorber. The average value ofD obtaine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85c4aef77d184a20599e663dd1534304
https://doi.org/10.1007/bf02504206
https://doi.org/10.1007/bf02504206
Autor:
V. G. Alpatov, G. R. Kartashov, A. V. Davydov, Yu.D. Bayukov, Yu. N. Isaev, M. M. Korotkov, A.A. Sadovsky, V. M. Samoylov, V. E. Rad'Ko
Publikováno v:
Hyperfine Interactions. 107:231-246
The temperature dependence of the 109Ag γ-ray self-absorption was investigated for the horizontal and vertical directions of emission. The source was a single-crystal silver plate containing atoms of parent radionuclide 109Cd. Gamma-radiation of thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::667e9477160b774121629009f9bd8f7c
https://doi.org/10.1023/a:1012049031949
https://doi.org/10.1023/a:1012049031949
Autor:
Yu.D. Bayukov, G. R. Kartashov, S. I. Reiman, M. M. Korotkov, V. M. Samoylov, A. V. Davydov, V. G. Alpatov, Yu. N. Isaev
Publikováno v:
Journal of Experimental and Theoretical Physics Letters. 80:9-11
Due to the virtual photon exchange between atomic nuclei and the field of zero-point electromagnetic oscillations, some nuclei of a given sample are in a virtual excited state with the lifetime ∼ħ/E, where E is the energy of nuclear level. For 57F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50e38b158e3650208139010bfe1efa17
https://doi.org/10.1134/1.1800204
https://doi.org/10.1134/1.1800204
Publikováno v:
Measurement Techniques. 37:101-106
Preparation of109Cd gamma sources implanted by thermal diffusion into a single crystal of silver is described. The source is intended for experiments on Mossbauer excitation of the long-lived isomeric state of109Ag with 88 keV energy. Two nondestruct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80152a105e1aec6eaf2529afc0dc5f1d
https://doi.org/10.1007/bf01418918
https://doi.org/10.1007/bf01418918