Výsledky vyhledávání - "A. N. Pirozhkov"

Specifics of Preparation of Storage Chambers for Ultracold Neutrons and EDM Spectrometer Sensitivity

Autor: M. S. Lasakov, A. P. Serebrov, A. N. Pirozhkov

Publikováno v: Technical Physics. 64:436-439

Storage cells for ultracold neutrons (UCNs) are crucial parts of the experimental setup used to measure the electric dipole moment (EDM) of a neutron. The effect of the technology of preparation and sputtering of elements of UCN storage cells on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b81793adfc3d0421f5af291b494d3478
https://doi.org/10.1134/s1063784219030162

Zobrazit plný text záznamu

Plný text ve formátu HTML

Experimental Setup for Neutron Lifetime Measurements with a Large Gravitational Trap at Low Temperatures

Autor: V. E. Varlamov, A. O. Koptyukhov, M. E. Chaikovskii, I. V. Shoka, P. Geltenbort, A. V. Chechkin, S. N. Ivanov, E. A. Kolomenskii, M. A. H. Tucker, O. Zimmer, T. Jenke, A. N. Pirozhkov, I. A. Krasnoshchekova, M.G.D. van der Grinten, A. K. Fomin, D. M. Prudnikov, A. V. Vasil’ev, A. P. Serebrov

Publikováno v: Tech.Phys.
Tech.Phys., 2019, 64 (2), pp.282-286. ⟨10.1134/S1063784219020191⟩

International audience; Currently the most accurate measurements of neutron lifetime are being performed at the Petersburg Nuclear Physics Institute with ultracold neutrons (UCNs) stored in a gravitational trap. A modified setup with a large gravitat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d745ba652dee9a83673793bfdbe6f158
https://hal.archives-ouvertes.fr/hal-02144267

Zobrazit plný text záznamu

Combine head mover designing by modern software using

Autor: D. N. Pirozhkov, V. V. Sadov

Publikováno v: IOP Conference Series: Materials Science and Engineering. 941:012043

The development of technical solutions without using of modern computer-aided design systems is not possible at the present stage. The using of CAD and CAE systems made possible to reduce costs and save time for development of combine head mover. As

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::273eb3ca8e9ebccba0ba9003b2b59f7d
https://doi.org/10.1088/1757-899x/941/1/012043

Zobrazit plný text záznamu

Program for studying fundamental interactions at the PIK reactor facilities

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

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f728f93f9a15cf4117f0816d1a949175
https://doi.org/10.1134/s1063778816030145

Zobrazit plný text záznamu

Vacuum test bench for high-voltage tests of storage chambers in the electric dipole moment spectrometer

Autor: A. P. Serebrov, I. A. Krasnoshchekova, M. S. Lasakov, A. N. Pirozhkov, E. A. Kolomenskii, A. O. Polyushkin

Publikováno v: Technical Physics. 61:603-608

We describe the structure of the high-voltage test bench for checking individual insulators and their assemblies with separate control of leakage currents in each insulator. The test bench is mainly intended for preparing the high-voltage block of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9295f45e073f3d14d7ab16f987fc718
https://doi.org/10.1134/s1063784216040162

Zobrazit plný text záznamu

Neutron electric dipole moment and possibilities of increasing accuracy of experiments

Autor: S. P. Dmitriev, O. M. Zherebtsov, O. Zimmer, M. S. Lasakov, A. V. Vasiliev, Evgenii B. Aleksandrov, A. P. Serebrov, A. K. Fomin, N. A. Dovator, P. Geltenbort, A. O. Polyushkin, S. N. Ivanov, I. A. Krasnoshchekova, A. N. Pirozhkov, V. A. Solovey, E. A. Kolomenskiy, A. N. Murashkin, I. V. Shoka

Publikováno v: Crystallography Reports. 61:129-138

The paper reports the results of an experiment on searching for the neutron electric dipole moment (EDM), performed on the ILL reactor (Grenoble, France). The double-chamber magnetic resonance spectrometer (Petersburg Nuclear Physics Institute (PNPI)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7508db5479bd49e1cd72996b7a21b33c
https://doi.org/10.1134/s1063774516010193

Zobrazit plný text záznamu

PNPI differential EDM spectrometer and latest results of measurements of the neutron electric dipole moment

Autor: O. M. Zherebtsov, E. A. Kolomenskiy, M. S. Lasakov, V. A. Solovey, A. V. Vasiliev, A. N. Murashkin, S. P. Dmitriev, I. V. Shoka, A. K. Fomin, A. P. Serebrov, N. A. Dovator, S. N. Ivanov, A. O. Polyushkin, I. A. Krasnoshchekova, E. B. Alexandrov, O. Zimmer, A. N. Pirozhkov, P. Geltenbort

Publikováno v: Physics of Atomic Nuclei. 78:1601-1605

In this work, the double chamber magnetic resonance spectrometer of the Petersburg Nuclear Physics Institute (PNPI) designed to measure the neutron electric dipole moment (EDM) is briefly described. A method for long storage of polarized ultracold ne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dc54b8c5d619dc7625664d1c6b338fd
https://doi.org/10.1134/s1063778815130293

Zobrazit plný text záznamu

Neutron lifetime measurement with the big gravitational trap for ultracold neutrons. Current state and future prospects

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)

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

Zobrazit plný text záznamu

Neutron lifetime measurements with a large gravitational trap for ultracold neutrons

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〉

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

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání