Search Results - "Vassiljev, A. V"

New experimental limits on neutron – mirror neutron oscillations in the presence of mirror magnetic field by Berezhiani, Z., Biondi, R., Geltenbort, P., Krasnoshchekova, I. A., Varlamov, V. E., Vassiljev, A. V., Zherebtsov, O. M.

“…Present experimental and astrophysical limits do not exclude that the neutron ( n ) oscillation into mirror neutron ( n ′ ), a sterile state exactly degenerate…”
Get full text

New measurement of the neutron lifetime with a large gravitational trap by Serebrov, A. P., Kolomenskiy, E. A., Fomin, A. K., Krasnoschekova, I. A., Vassiljev, A. V., Prudnikov, D. M., Shoka, I. V., Chechkin, A. V., Chaikovskii, M. E., Varlamov, V. E., Ivanov, S. N., Pirozhkov, A. N., Geltenbort, P., Zimmer, O., Jenke, T., Van der Grinten, M., Tucker, M.

“…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…”
Get full text

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…”
Get full text

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…”
Get full text

New experimental limits on neutron - mirror neutron oscillations in the presence of mirror magnetic field by Berezhiani, Z, Biondi, R, Geltenbort, P, Krasnoshchekova, I. A, Varlamov, V. E, Vassiljev, A. V, Zherebtsov, O. M

“…Present probes do not exclude that the neutron ($n$) oscillation into mirror neutron ($n'$), a sterile state exactly degenerate in mass with the neutron, can…”
Get full text

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…”
Get full text

Neutron lifetime measurements with the big gravitational trap for ultracold neutrons by Serebrov, A. P, Kolomensky, E . A, Fomin, A. K, Krasnoschekova, I. A, Vassiljev, A. V, Prudnikov, D. M, Shoka, I. V, Chechkin, A. V, Chaikovskiy, M. E, Varlamov, V. E, Ivanov, S. N, Pirozhkov, A. N, Geltenbort, P, Zimmer, O, Jenke, T, Van der Grinten, M, Tucker, M

“…Phys. Rev. C 97, 055503 (2018) Neutron lifetime is one of the most important physical constants which determines parameters of the weak interaction and…”
Get full text

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…”
Get full text

New measurements of the neutron electric dipole moment by Serebrov, A. P., Kolomenskiy, E. A., Pirozhkov, A. N., Krasnoschekova, I. A., Vassiljev, A. V., Polushkin, A. O., Lasakov, M. S., Fomin, A. K., Shoka, I. V., Solovey, V. A., Zherebtsov, O. M., Geltenbort, P., Ivanov, S. N., Zimmer, O., Alexandrov, E. B., Dmitriev, S. P., Dovator, N. A.

“…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…”
Get full text

Measurement of the total cross sections of ultracold neutrons with noble gases and search for long-range forces by Serebrov, A. P., Geltenbort, P., Zherebtsov, O. M., Sbitnev, S. V., Varlamov, V. E., Vassiljev, A. V., Lasakov, M. S., Krasnoschekova, I. A., Ivanov, S. N.

“…The comparison of results of cross section measurements by the different methods can provide useful information on existence of long-range interaction. The…”
Get full text

New search for the neutron electric dipole moment with ultracold neutrons at ILL by Serebrov, A. P., Kolomenskiy, E. A., Pirozhkov, A. N., Krasnoschekova, I. A., Vassiljev, A. V., Polyushkin, A. O., Lasakov, M. S., Murashkin, A. N., Solovey, V. A., Fomin, A. K., Shoka, I. V., Zherebtsov, O. M., Geltenbort, P., Ivanov, S. N., Zimmer, O., Alexandrov, E. B., Dmitriev, S. P., Dovator, N. A.

Get full text

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…”
Get full text

Program for studying fundamental interactions at the PIK reactor facilities by Serebrov, A. P., Vassiljev, A. V., Varlamov, V. E., Geltenbort, P., Gridnev, K. A., Dmitriev, S. P., Dovator, N. A., Egorov, A. I., Ezhov, V. F., Zherebtsov, O. M., Zinoviev, V. G., Ivochkin, V. G., Ivanov, S. N., Ivanov, S. A., Kolomensky, E. A., Konoplev, K. A., Krasnoschekova, I. A., Lasakov, M. S., Lyamkin, V. A., Martemyanov, V. P., Murashkin, A. N., Neustroev, P. V., Onegin, M. S., Petelin, A. L., Pirozhkov, A. N., Polyushkin, A. O., Prudnikov, D. V., Ryabov, V. L., Samoylov, R. M., Sbitnev, S. V., Fomin, A. K., Fomichev, A. V., Zimmer, O., Cherniy, A. V., Shoka, I. V.

“…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…”
Get full text

Neutron lifetime measurements using gravitationally trapped ultracold neutrons by Serebrov, A. P., Varlamov, V. E., Kharitonov, A. G., Fomin, A. K., Pokotilovski, Yu. N., Geltenbort, P., Krasnoschekova, I. A., Lasakov, M. S., Taldaev, R. R., Vassiljev, A. V., Zherebtsov, O. M.

“…Our experiment using gravitationally trapped ultracold neutrons (UCN) to measure the neutron lifetime is reviewed. Ultracold neutrons were trapped in a…”
Get full text

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

“…Phys.Lett.B663:181-185,2008 The idea of a hidden sector of mirror partners of elementary particles has attracted considerable interest as a possible candidate…”
Get full text

Experimental search for long-range forces in neutron scattering via a gravitational spectrometer by Serebrov, A. P., Geltenbort, P., Zherebtsov, O. M., Sbitnev, S. V., Varlamov, V. E., Vassiljev, A. V., Lasakov, M. S., Krasnoschekova, I. A., Ivanov, S. N., Pushin, D.

Get full text

Search for long-range force between a neutron and an atom with a trap of ultracold neutrons by Serebrov, A. P., Zherebtsov, O. M., Sbitnev, S. V., Varlamov, V. E., Vassiljev, A. V., Lasakov, M. S.

Get full text

Experimental search for neutron-mirror neutron oscillations using storage of ultracold neutrons by SEREBROV, A. P, ALEKSANDROV, E. B, SHMELEV, G. E, VARLAMOV, V. E, VASSILJEV, A. V, ZHEREBTSOV, O. M, ZIMMER, O, DOVATOR, N. A, DMITRIEV, S. P, FOMIN, A. K, GELTENBORT, P, KHARITONOV, A. G, KRASNOSCHEKOVA, I. A, LASAKOV, M. S, MURASHKIN, A. N

Get full text

Search for long-range forces of a neutron and atoms with a trap of ultracold neutrons by Serebrov, A. P, Zherebtsov, O. M, Sbitnev, S. V, Varlamov, V. E, Vassiljev, A. V, Lasakov, M. S

“…A method of using a gravitational UCN spectrometer to search for long-range forces between neutrons and atoms is proposed. The constraints on the strength of…”
Get full text

Comment to the article "Possible Systematic Effects in Fomblin Coated Storage Cell Neutron Lifetime Measurements", Steve K. Lamoreaux [1] by Serebrov, A. P, Varlamov, V. E, Kharitonov, A. G, Fomin, A. K, Pokotilovski, Yu. N, Geltenbort, P, Krasnoschekova, I. A, Lasakov, M. S, Tal'daev, R. R, Vassiljev, A. V, Zherebtsov, O. M

“…The author of article discusses the possible systematic effects in our experiment using reference and picture from allegedly our publication. First of all this…”
Get full text