Search Results - "Leonova, A. M."

4-twist helix snake to maintain polarization in multi-GeV proton rings by Antoulinakis, F., Chen, Y., Dutton, A., Rossi De La Fuente, E., Haupert, S., Ljungman, E. A., Myers, P. D., Thompson, J. K., Tai, A., Aidala, C. A., Courant, E. D., Krisch, A. D., Leonova, M. A., Lorenzon, W., Raymond, R. S., Sivers, D. W., Wong, V. K., Yang, T., Derbenev, Y. S., Morozov, V. S., Kondratenko, A. M.

“…Solenoid Siberian snakes have successfully maintained polarization in particle rings below 1 GeV, but never in multi-GeV rings, because the spin rotation by a…”
Get full text

Achieving 99.9% proton spin-flip efficiency at higher energy with a small rf dipole by LEONOVA, M. A, KRISCH, A. D, SCHNASE, A, STOCKHORST, H, EVERSHEIM, D, HINTERBERGER, F, ULBRICH, K, MOROZOV, V. S, RAYMOND, R. S, WONG, V. K, GEBEL, R, LEHRACH, A, LORENTZ, B, MAIER, R, PRASUHN, D

“…We recently used a new ferrite rf dipole to study spin flipping of a 2.1 GeV/c vertically polarized proton beam stored in the COSY Cooler Synchrotron in…”
Get full text

Unexpected reduction of rf spin resonance strength for stored deuteron beams by Krisch, A. D., Leonova, M. A., Morozov, V. S., Raymond, R. S., Sivers, D. W., Wong, V. K., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Hinterberger, F., Ulbrich, K.

“…Stored beams of polarized protons, electrons, or deuterons can be spin flipped by sweeping an rf dipole’s or solenoid’s frequency through an rf spin resonance…”
Get full text

Electrodeposition of Silicon from the KCl–CsCl–K2SiF6 Melt by Gevel, T. A., Zhuk, S. I., Leonova, N. M., Leonova, A. M., Suzdal’tsev, A. V., Zaikov, Yu. P.

“…—Silicon and its composites are widely used to manufacture new electrochemical devices for energy conversion and storage. Current research is being actively…”
Get full text

Unexpected enhancements and reductions of rf spin resonance strengths by Leonova, M. A., Morozov, V. S., Krisch, A. D., Raymond, R. S., Sivers, D. W., Wong, V. K., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Hinterberger, F., Ulbrich, K.

“…We recently analyzed all available data on spin-flipping stored beams of polarized protons, electrons, and deuterons. Fitting the modified Froissart-Stora…”
Get full text

Spin manipulating stored 1.85     GeV / c vector and tensor polarized spin-1 bosons by Morozov, V. S., Krisch, A. D., Leonova, M. A., Raymond, R. S., Sivers, D. W., Wong, V. K., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Eversheim, D., Hinterberger, F., Rohdjeß, H., Ulbrich, K., Yonehara, K.

“…We recently studied the spin manipulation of 1.85  GeV/c vertically polarized deuterons stored in the COSY cooler synchrotron. We adiabatically swept an rf…”
Get full text

First spin flipping of a stored spin-1 polarized beam by Morozov, V S, Etienne, Z B, Kandes, M C, Krisch, A D, Leonova, M A, Sivers, D W, Wong, V K, Yonehara, K, Anferov, V A, Meyer, H O, Schwandt, P, Stephenson, E J, von Przewoski, B

“…We recently studied spin flipping of a 270 MeV vertically polarized deuteron beam stored in the Indiana University Cyclotron Facility Cooler Ring. We…”
Get full text

Experimental test of the new analytic matrix formalism for spin dynamics by Morozov, V. S., Chao, A. W., Krisch, A. D., Leonova, M. A., Raymond, R. S., Sivers, D. W., Wong, V. K., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Stockhorst, H., Hinterberger, F., Ulbrich, K., Schnase, A.

“…We recently started testing Chao’s proposed new matrix formalism for describing the spin dynamics due to a single spin resonance. The Chao formalism is…”
Get full text

Spin manipulation of 1.94     GeV / c polarized protons stored in the COSY cooler synchrotron by Morozov, V. S., Krisch, A. D., Leonova, M. A., Raymond, R. S., Wong, V. K., Yonehara, K., Bechstedt, U., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Eversheim, D., Hinterberger, F., Rohdjeß, H., Ulbrich, K.

“…We recently studied spin flipping of a 1.94  GeV/c vertically polarized proton beam at COSY in Jülich, Germany. We swept an rf-dipole’s frequency through an…”
Get full text

Reply to “Comment on ‘Spin manipulation of 1.94     GeV / c polarized protons stored in the COSY cooler synchrotron’ ” by Morozov, V. S., Krisch, A. D., Leonova, M. A., Raymond, R. S., Wong, V. K., Yonehara, K., Bechstedt, U., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Eversheim, D., Hinterberger, F., Rohdjeß, H., Ulbrich, K.

“…It seems improper to publish a theoretical Comment about an experimental Article without mentioning the Article’s referenced theoretical paper, which derived…”
Get full text

Erratum: Unexpected enhancements and reductions of rf spin resonance strengths [Phys. Rev. ST Accel. Beams 9 , 051001 (2006)] by Leonova, M. A., Morozov, V. S., Krisch, A. D., Raymond, R. S., Sivers, D. W., Wong, V. K., Gebel, R., Lehrach, A., Lorentz, B., Maier, R., Prasuhn, D., Schnase, A., Stockhorst, H., Hinterberger, F., Ulbrich, K.

Get full text

Higher order spin resonances in a 2.1-GeV/c polarized proton beam by Leonova, M A, Askari, J A, Gordon, K N, Krisch, A D, Liu, J, Morozov, V S, Nees, D A, Raymond, R S, Sivers, D W, Wong, V K, Hinterberger, F

“…Spin resonances can depolarize or spin flip a polarized beam. We studied 1st and higher order spin resonances with stored 2.1  GeV/c vertically polarized…”
Get full text

Experimental verification of predicted beam-polarization oscillations near a spin resonance by Morozov, V S, Chao, A W, Krisch, A D, Leonova, M A, Raymond, R S, Sivers, D W, Wong, V K, Garishvili, A, Gebel, R, Lehrach, A, Lorentz, B, Maier, R, Prasuhn, D, Stockhorst, H, Welsch, D, Hinterberger, F, Ulbrich, K, Schnase, A, Stephenson, E J, Brantjes, N P M, Onderwater, C J G, da Silva, M

“…The Chao matrix formalism allows analytic calculations of a beam's polarization behavior inside a spin resonance. We recently tested its prediction of…”
Get full text

Narrow spin resonance width and spin flip with an rf-bunched deuteron beam by Morozov, V S, Chao, A W, Krisch, A D, Leonova, M A, Raymond, R S, Sivers, D W, Wong, V K, Kondratenko, A M

“…We used an rf solenoid to study the widths of rf spin resonances with both bunched and unbunched beams of 1.85 GeV/c polarized deuterons stored in the COSY…”
Get full text

Experimental test of a new technique to overcome spin-depolarizing resonances by Morozov, V S, Chao, A W, Krisch, A D, Leonova, M A, Raymond, R S, Sivers, D W, Wong, V K, Garishvili, A, Gebel, R, Lehrach, A, Lorentz, B, Maier, R, Prasuhn, D, Stockhorst, H, Welsch, D, Hinterberger, F, Kondratenko, A M

“…We recently tested a new spin resonance crossing technique, Kondratenko Crossing (KC), by sweeping an rf-solenoid's frequency through an rf-induced spin…”
Get full text

99.6% spin-flip efficiency in the presence of a strong Siberian snake by Blinov, B B, Etienne, Z B, Krisch, A D, Leonova, M A, Lorenzon, W, Morozov, V S, Peters, C C, Wong, V K, Yonehara, K, Anferov, V A, Schwandt, P, Stephenson, E J, von Przewoski, B, Sato, H

“…We recently studied the spin-flipping efficiency of an rf-dipole magnet using a 120-MeV horizontally polarized proton beam stored in the Indiana University…”
Get full text

Vector and tensor polarization lifetimes for a stored deuteron beam by Przewoski, B V, Anferov, V A, Meyer, H O, Schwandt, P, Stephenson, E J, Morozov, V S, Etienne, Z B, Kandes, M C, Leonova, M A, Sivers, D W, Yonehara, K

“…The time dependence of the vector and tensor polarization of a 270 MeV stored deuteron beam was measured near a depolarizing resonance, which was induced by an…”
Get full text

Creation of a panel of genetic markers for breeding of a large white breed pigs on the reproductive fitness by A. Yu. Kolosov, M. A. Leonova, L. V. Getmantseva

“…The article presents studies of the effect of SNP of genes PRLR, LEP, ESR, FSHb, MC4R, LIF, POU1F1, GH on the reproductive performance of large white pigs. The…”
Get full text

One 4-Twist Helix Snake to Maintain Polarization in 8-120 GeV Proton Rings by Antoulinakis, F, Ljungman, E. A, Tai, A, Aidala, C. A, Courant, E. D, Krisch, A. D, Lorenzon, W, Myers, P. D, Raymond, R. S, Sivers, D. W, Leonova, M. A, Derbenev, Y. S, Morozov, V. S, Kondratenko, A. M

“…Phys. Rev. Accel. Beams 20, 091003 (2017) Solenoid Siberian snakes have successfully maintained polarization in particle rings below 1 GeV, but never in…”
Get full text

Higher Order Spin Resonances in a 2.1 GeV/c Polarized Proton Beam by Leonova, M. A, Askari, J. A, Gordon, K. N, Krisch, A. D, Liu, J, Morozov, V. S, Nees, D. A, Raymond, R. S, Sivers, D. W, Wong, V. K, Hinterberger, F

“…Physical Review Letters 108, 074801 (2012) Spin resonances can depolarize or spin-flip a polarized beam. We studied 1st and higher order spin resonances with…”
Get full text