Zobrazeno 1 - 10
of 27
pro vyhledávání: '"A. V. Vassiljev"'
Autor:
Z. Berezhiani, R. Biondi, P. Geltenbort, I. A. Krasnoshchekova, V. E. Varlamov, A. V. Vassiljev, O. M. Zherebtsov
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 78, Iss 9, Pp 1-12 (2018)
Abstract Present experimental and astrophysical limits do not exclude that the neutron (n) oscillation into mirror neutron ($$n'$$ n′ ), a sterile state exactly degenerate in mass with the neutron, can be a very fast process, in fact faster than th
Externí odkaz:
https://doaj.org/article/7cd1ad9f329d4a9fb1365c50dae0c3d4
Autor:
M. S. Lasakov, D. V. Prudnikov, R. M. Samoylov, A. K. Fomin, A. N. Pirozhkov, S. N. Ivanov, O. M. Zherebtsov, S. P. Dmitriev, V. P. Martemyanov, S. V. Sbitnev, V. G. Zinoviev, V.L. Ryabov, P. V. Neustroev, A. P. Serebrov, N. A. Dovator, A. V. Fomichev, M. S. Onegin, O. Zimmer, A. O. Polyushkin, V. A. Lyamkin, I. A. Krasnoschekova, A. V. Cherniy, V. F. Ezhov, A. V. Vassiljev, K. A. Gridnev, V. E. Varlamov, A. L. Petelin, V. G. Ivochkin, E. A. Kolomensky, P. Geltenbort, K.A. Konoplev, I. V. Shoka, A. I. Egorov, S. A. Ivanov, A. N. Murashkin
Publikováno v:
Physics of Atomic Nuclei. 79:293-303
A research program aimed at studying fundamental interactions by means of ultracold and polarized cold neutrons at the GEK-4-4′ channel of the PIK reactor is presented. The apparatus to be used includes a source of cold neutrons in the heavy-water
Autor:
Mark Tucker, D. V. Prudnikov, T. Jenke, E. A. Kolomensky, I. A. Krasnoschekova, A. K. Fomin, V. E. Varlamov, A. P. Serebrov, I. V. Shoka, M. E. Chaikovskiy, A. N. Pirozhkov, S. N. Ivanov, M.G.D. van der Grinten, O. Zimmer, P. Geltenbort, A. V. Vassiljev, A. V. Chechkin
Publikováno v:
J.Phys.Conf.Ser.
4th International Conference on Particle Physics and Astrophysics
4th International Conference on Particle Physics and Astrophysics, Oct 2018, Moscow, Russia. pp.012136, ⟨10.1088/1742-6596/1390/1/012136⟩
'Journal of Physics : Conference Series ', vol: 1390, pages: 012136-1-012136-5 (2019)
4th International Conference on Particle Physics and Astrophysics
4th International Conference on Particle Physics and Astrophysics, Oct 2018, Moscow, Russia. pp.012136, ⟨10.1088/1742-6596/1390/1/012136⟩
'Journal of Physics : Conference Series ', vol: 1390, pages: 012136-1-012136-5 (2019)
A new measurement of the neutron lifetime, carried out with the aid of a large gravitational spectrometer made in Petersburg Institute of Nuclear Physics (PNPI) is presented: τn = 881.5 ± 0.7 ± 0.6 s. In our experiment the measurement of neutron l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3870faae24d822533fffd6db42a324cc
https://hal.archives-ouvertes.fr/hal-02432620
https://hal.archives-ouvertes.fr/hal-02432620
Autor:
S. N. Ivanov, A. P. Serebrov, M.G.D. van der Grinten, D. M. Prudnikov, P. Geltenbort, O. Zimmer, M. E. Chaikovskiy, A. V. Vassiljev, I. V. Shoka, I. A. Krasnoshchekova, A. V. Chechkin, A. K. Fomin, M. A. H. Tucker, A. N. Pirozhkov, T. Jenke, E. A. Kolomensky, V. E. Varlamov
Publikováno v:
Phys.Rev.C
Phys.Rev.C, 2018, 97 (5), pp.055503. ⟨10.1103/PhysRevC.97.055503⟩
Physical Review C
Physical Review C, American Physical Society, 2018, 97 (5), pp.055503. ⟨10.1103/PhysRevC.97.055503⟩
Phys.Rev.C, 2018, 97 (5), pp.055503. 〈10.1103/PhysRevC.97.055503〉
Phys.Rev.C, 2018, 97 (5), pp.055503. ⟨10.1103/PhysRevC.97.055503⟩
Physical Review C
Physical Review C, American Physical Society, 2018, 97 (5), pp.055503. ⟨10.1103/PhysRevC.97.055503⟩
Phys.Rev.C, 2018, 97 (5), pp.055503. 〈10.1103/PhysRevC.97.055503〉
Neutron lifetime is one of the most important physical constants which determines parameters of the weak interaction and predictions of primordial nucleosynthesis theory. There remains the unsolved problem of a 3.9{\sigma} discrepancy between measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fe6c1de7ae942d655e490bc62eca45a
https://hal.archives-ouvertes.fr/hal-01815324
https://hal.archives-ouvertes.fr/hal-01815324
Autor:
A. P. Serebrov, A. N. Pirozhkov, M. E. Chaikovskii, A. K. Fomin, O. Zimmer, P. Geltenbort, A. V. Vassiljev, A. V. Chechkin, I. A. Krasnoschekova, I. V. Shoka, S. N. Ivanov, M. A. H. Tucker, M.G.D. van der Grinten, V. E. Varlamov, D. M. Prudnikov, T. Jenke, E. A. Kolomenskiy
Publikováno v:
JETP Lett.
JETP Lett., 2017, 106 (10), pp.623-629. ⟨10.1134/S0021364017220143⟩
JETP Lett., 2017, 106 (10), pp.623-629. ⟨10.1134/S0021364017220143⟩
International audience; The lifetime of the neutron is one of the key physical quantities used to determine the weak interaction parameters and to test predictions of the theory of primary nucleosynthesis. The lifetime of the neutron has been measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab6bf64a9ef6b9c1a6c4c7b2442bf950
https://hal.archives-ouvertes.fr/hal-01707592
https://hal.archives-ouvertes.fr/hal-01707592
Autor:
I. A. Krasnoschekova, E. B. Alexandrov, A. O. Polushkin, M. S. Lasakov, A. P. Serebrov, I. V. Shoka, N. A. Dovator, P. Geltenbort, O. M. Zherebtsov, A. V. Vassiljev, A. K. Fomin, V. A. Solovey, O. Zimmer, E. A. Kolomenskiy, S. P. Dmitriev, A. N. Pirozhkov, S. N. Ivanov
Publikováno v:
JETP Letters. 99:4-8
We report a new measurement of the neutron electric dipole moment with the PNPI EDM spectrometer using the ultracold neutron source PF2 at the research reactor of the ILL. Its first results can be interpreted as a limit on the neutron EDM of $|d_{\rm
Autor:
A. P. Serebrov, M. S. Lasakov, P. Geltenbort, A. V. Vassiljev, O. M. Zherebtsov, I. A. Krasnoschekova, S. V. Sbitnev, S. N. Ivanov, V. E. Varlamov
Publikováno v:
JETP Letters. 97:676-680
The comparison of results of cross section measurements by the different methods can provide useful information on existence of long-range interaction. The total neutron cross sections of He, Ne, Ar, Kr, and Xe were measured using a method of ultraco
Autor:
A. P. Serebrov, V. E. Varlamov, P. Geltenbort, A. V. Vassiljev, M.G.D. van der Grinten, A. V. Chechkin, A. N. Pirozhkov, A. K. Fomin, I. A. Krasnoschekova, O. Zimmer, I. V. Shoka, Mark Tucker, S. N. Ivanov, E. A. Kolomensky, T. Jenke, M. E. Chaikovskiy, D. M. Prudnikov
Publikováno v:
KnE Energ.Phys.
3rd International Conference on Particle Physics and Astrophysics
3rd International Conference on Particle Physics and Astrophysics, Oct 2017, Moscow, Russia. KnE Energ.Phys., 3, pp.121-128, 2018, 〈10.18502/ken.v3i1.1733〉
3rd International Conference on Particle Physics and Astrophysics, Oct 2017, Moscow, Russia. pp.121-128, ⟨10.18502/ken.v3i1.1733⟩
'KnE Energy ', vol: 3, pages: 121-128 (2018)
3rd International Conference on Particle Physics and Astrophysics
3rd International Conference on Particle Physics and Astrophysics, Oct 2017, Moscow, Russia. KnE Energ.Phys., 3, pp.121-128, 2018, 〈10.18502/ken.v3i1.1733〉
3rd International Conference on Particle Physics and Astrophysics, Oct 2017, Moscow, Russia. pp.121-128, ⟨10.18502/ken.v3i1.1733⟩
'KnE Energy ', vol: 3, pages: 121-128 (2018)
Neutron lifetime is one of the most important physical constants which determines parameters of the weak interaction and predictions of primordial nucleosynthesis theory. In our experiment we measure the storage time of UCN in the material trap coate
Autor:
Zurab Berezhiani, I. A. Krasnoshchekova, A. V. Vassiljev, Riccardo Biondi, O. M. Zherebtsov, P. Geltenbort, V. E. Varlamov
Publikováno v:
'European Physical Journal C ', vol: 78, pages: 717-1-717-12 (2018)
Eur.Phys.J.C
Eur.Phys.J.C, 2018, 78 (9), pp.717. ⟨10.1140/epjc/s10052-018-6189-y⟩
European Physical Journal C: Particles and Fields
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2018, 78 (9), pp.717. ⟨10.1140/epjc/s10052-018-6189-y⟩
European Physical Journal C: Particles and Fields, Vol 78, Iss 9, Pp 1-12 (2018)
European Physical Journal
Eur.Phys.J.C
Eur.Phys.J.C, 2018, 78 (9), pp.717. ⟨10.1140/epjc/s10052-018-6189-y⟩
European Physical Journal C: Particles and Fields
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2018, 78 (9), pp.717. ⟨10.1140/epjc/s10052-018-6189-y⟩
European Physical Journal C: Particles and Fields, Vol 78, Iss 9, Pp 1-12 (2018)
European Physical Journal
Present experimental and astrophysical limits do not exclude that the neutron (n) oscillation into mirror neutron ( $$n'$$ ), a sterile state exactly degenerate in mass with the neutron, can be a very fast process, in fact faster than the neutron dec
Autor:
O. M. Zherebtsov, M. S. Lasakov, A. N. Pirozhkov, I. V. Shoka, S. N. Ivanov, P. Geltenbort, A. V. Vassiljev, A. P. Serebrov, A. K. Fomin, O. Zimmer, S. P. Dmitriev, V. A. Solovey, A. O. Polyushkin, I. A. Krasnoschekova, E. A. Kolomenskiy, A. N. Murashkin, E. B. Alexandrov, N. A. Dovator
Publikováno v:
Physical Review C. 92
The search for an electric dipole moment (EDM) of the neutron is a crucial test for theoretical particle physics models with violation of time and spatial invariance. A new experiment recently has been carried out at the High-Flux Reactor at Institut