Search Results - "Lasakov, M"

Measurement of the neutron lifetime using a gravitational trap and a low-temperature Fomblin coating by Serebrov, A., Varlamov, V., Kharitonov, A., Fomin, A., Pokotilovski, Yu, Geltenbort, P., Butterworth, J., Krasnoschekova, I., Lasakov, M., Tal'daev, R., Vassiljev, A., Zherebtsov, O.

“…We present a new value for the neutron lifetime of 878.5±0.7stat±0.3syst. This result differs from the world average value (885.7±0.8 s) by 6.5 standard…”
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Specifics of Preparation of Storage Chambers for Ultracold Neutrons and EDM Spectrometer Sensitivity by Lasakov, M. S., Pirozhkov, A. N., Serebrov, A. P.

“…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…”
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Replica neutron guides for experiments with ultracold neutrons by Serebrov, A. P., Vasil’ev, A. V., Lasakov, M. S., Siber, E. V., Murashkin, A. N., Egorov, A. I., Fomin, A. K., Sbitnev, S. V., Geltenbort, P., Zimmer, O.

“…The method for producing neutron guides for ultracold neutrons based on the replica method has been described. A comparative analysis of the quality of replica…”
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Search for neutron–mirror neutron oscillations in a laboratory experiment with ultracold neutrons by Serebrov, A.P., Aleksandrov, E.B., Dovator, N.A., Dmitriev, S.P., Fomin, A.K., Geltenbort, P., Kharitonov, A.G., Krasnoschekova, I.A., Lasakov, M.S., Murashkin, A.N., Shmelev, G.E., Varlamov, V.E., Vassiljev, A.V., Zherebtsov, O.M., Zimmer, O.

“…Mirror matter is considered as a candidate for dark matter. In connection with this an experimental search for neutron–mirror neutron (nn′) transitions has…”
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Ultracold-neutron infrastructure for the PNPI/ILL neutron EDM experiment by Serebrov, A.P., Geltenbort, P., Shoka, I.V., Shmelev, G.E., Kharitonov, A.G., Vassiliev, A.V., Krasnoshekova, I.A., Lasakov, M.S., Siber, E.V., Fomin, A.K., Zimmer, O.

“…A PNPI/ILL experiment to measure the neutron electric dipole moment (EDM) is currently being prepared at the facility PF2 for ultracold neutrons (UCN) at the…”
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Magnetron-sputtered Be coatings as reflectors for ultracold neutrons by Bryś, T., Daum, M., Fierlinger, P., Fomin, A., Geltenbort, P., Henneck, R., Kirch, K., Kharitonov, A., Krasnoshekova, I., Kuźniak, M., Lasakov, M., Pichlmaier, A., Raimondi, F., Schelldorfer, R., Serebrov, A., Siber, E., Tal’daev, R., Varlamov, V., Vasiliev, A., Wambach, J., Zherebtsov, O.

“…We describe the production, characterization and performance of magnetron-sputtered Be coatings on aluminum, copper and stainless steel substrates. The coating…”
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New facility for fundamental research in nuclear physics with polarized cold neutrons at PSI by Schebetov, A., Serebrov, A., Pusenkov, V.M., Lasakov, M., Böni, P., Lüthy, M., Sromicki, J.

“…A polarized neutron beam of 40×150 mm 2 cross-section and record intensity was formed by a unique optical system of 7 m length for fundamental physics research…”
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Studies of a solid-deuterium source for ultra-cold neutrons by Serebrov, A, Mityukhlyaev, V, Zakharov, A, Kharitonov, A, Shustov, V, Kuz'minov, V, Lasakov, M, Tal'daev, R, Aldushchenkov, A, Varlamov, V, Vasil'ev, A, Sazhin, M, Greene, G, Bowles, T, Hill, R, Seestrom, S, Geltenbort, P

“…The results of experiments and calculations for a solid-deuterium UCN source are presented. It was experimentally shown that the UCN yield is increased by a…”
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Spin filters and supermirrors: a comparison study of two methods of high-precision neutron polarisation analysis by Zimmer, O., Hautle, P., Heil, W., Hofmann, D., Humblot, H., Krasnoschekova, I., Lasakov, M., Müller, T.M., Nesvizhevsky, V., Reich, J., Serebrov, A., Sobolev, Yu, Vassilev, A.

“…The precise knowledge of the neutron polarisation is needed in tests of the electroweak Standard Model using angular correlations in polarised neutron beta…”
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Superconducting UCN Polarizer for a New EDM Spectrometer by Serebrov, A, Lasakov, M, Fomin, A, Geltenbort, P, Murashkin, A, Krasnoshekova, I, Rudnev, Yu, Vasiliev, A

“…A test experiment has shown that the number of ultracold neutrons (UCN) of one polarization state, transmitted through a 100 μm Al foil when placed in a 5 T…”
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Measurement of the Loss and Depolarization Probability of UCN on Beryllium and Diamond Like Carbon Films by Brys, Tomas, Daum, Manfred, Fierlinger, Peter, Geltenbort, Peter, Gupta, Mukul, Henneck, Reinhold, Heule, Stefan, Kirch, Klaus, Lasakov, Mikhail, Mammei, Russel, Makela, Mark, Pichlmaier, Axel, Serebrov, Anatoli, Straumann, Ulrich, Vogelaar, Robert B, Wermelinger, Cedric, Young, Albert

“…Currently several institutes worldwide are working on the development of a new generation of ultracold neutron (UCN) sources. In parallel with source…”
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Measurement of the Neutron Lifetime Using a Gravitational Trap and a Low-Temperature Fomblin Coating by Serebrov, A, Varlamov, V, Kharitonov, A, Fomin, A, Pokotilovski, Yu, Geltenbort, P, Butterworth, J, Krasnoschekova, I, Lasakov, M, Tal'daev, R, Vassiljev, A, Zherebtsov, O

“…We present a new value for the neutron lifetime of 878.5 ± 0.7stat. ± 0.3syst. This result differs from the world average value by 6.5 standard deviations and…”
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Low-energy heating of ultracold neutrons during their storage in material bottles by Serebrov, A.P, Butterworth, J, Daum, M, Fomin, A.K, Geltenbort, P, Kirch, K, Krasnoschekova, I.A, Lasakov, M.S, Rudnev, Yu.P, Varlamov, V.E, Vassiljev, A.V

“…We have studied the low-energy heating of ultracold neutrons during their storage. On fomblin, it is greatly suppressed for the low temperature liquid and at…”
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A Silicon UCN Detector With Large Area and With Analysis of UCN Polarization by Lasakov, M, Serebrov, A, Khusainov, A, Pustovoit, A, Borisov, Yu, Fomin, A, Geltenbort, P, Kon'kov, O, Kotina, I, Shablii, A, Solovei, V, Vasiliev, A

“…A silicon ultracold neutron (UCN) detector with an area of 45 cm(2) and with a (6)LiF converter is developed at St. Petersburg Nuclear Physics Institute…”
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Depolarization of UCN stored in material traps by Serebrov, A, Vasiliev, A, Lasakov, M, Rudnev, Yu, Krasnoshekova, I, Geltenbort, P, Butterworth, J, Bowles, T, Morris, C, Seestrom, S, Smith, D, Young, A.R

“…Depolarization of ultra-cold neutrons (UCN) stored in material traps was first observed. The probability of UCN spin flip per reflection depends on the trap…”
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Experimental study of quasi-elastic scattering of ultracold neutrons by Steyerl, A., Yerozolimsky, B.G., Serebrov, A.P., Geltenbort, P., Achiwa, N., Pokotilovski, Yu.N., Kwon, O., Lasakov, M.S., Krasnoshchokova, I.A., Vasilyev, A.V.

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Superconducting UCN polarizer for a new EDM spectrometer by Serebrov, A.P., Lasakov, M.S., Fomin, A.K., Geltenbort, P., Murashkin, A.N., Krasnoshekova, I.A., Rudnev, Yu.P., Vasiliev, A.V.

“…A test experiment has shown that the number of ultra cold neutrons (UCN) of one polarization transmitted through a 100 μm Al foil when placed in a 5 T magnetic…”
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Experimental search for neutron–mirror neutron oscillations using storage of ultracold neutrons by Serebrov, A.P., Aleksandrov, E.B., Dovator, N.A., Dmitriev, S.P., Fomin, A.K., Geltenbort, P., Kharitonov, A.G., Krasnoschekova, I.A., Lasakov, M.S., Murashkin, A.N., Shmelev, G.E., Varlamov, V.E., Vassiljev, A.V., Zherebtsov, O.M., Zimmer, O.

“…The idea of a hidden sector of mirror partners of elementary particles has attracted considerable interest as a possible candidate for dark matter. Recently it…”
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Depolarization of ultracold neutrons during their storage in material bottles by Serebrov, A.P., Lasakov, M.S., Vassiljev, A.V., Krasnoschekova, I.A., Rudnev, Yu.P., Fomin, A.K., Varlamov, V.E., Geltenbort, P., Butterworth, J., Young, A.R., Pesavento, U.

“…The depolarization of ultracold neutrons (UCN) during their storage in traps has been investigated. The neutron spin-flip probability for the materials studied…”
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A large area silicon UCN detector with the analysis of UCN polarization by Lasakov, M.S., Serebrov, A.P., Khusainov, A.Kh, Pustovoit, A., Borisov, Yu.V., Fomin, A.K., Geltenbort, P., Kon’kov, O.I., Kotina, I.M., Shablii, A.I., Solovei, V.A., Vasiliev, A.V.

“…A silicon UCN detector with an area of 45 cm 2 and with a 6 LiF converter was developed at PNPI. The spectral efficiency of the silicon UCN detector was…”
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