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V. S. Bekrenev

Petersburg Nuclear Physics Institute

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Featured researches published by V. S. Bekrenev.

Physics Letters B | 1995

Measurement of the spin rotation parameter A+ in the elastic scattering of positive pions on a longitudinally-polarized proton target in the second resonance region

I. G. Alekseev; B. M. Bobchenko; P. E. Budkovsky; V. P. Kanavets; L. I. Koroleva; V. I. Martynov; B. V. Morozov; V. M. Nesterov; V. V. Platonov; V. V. Ryltsov; V. A. Sakharov; A. D. Sulimov; D. N. Svirida; V. V. Zhurkin; V. V. Abaev; N. A. Bazhanov; V. S. Bekrenev; Yu. A. Beloglazov; E. A. Filimonov; A. I. Kovalev; N. G. Kozlenko; S. P. Kruglov; A. A. Kulbardis; I. V. Lopatin; V. A. Schedrov; V. V. Sumachev; V. Yu. Trautman

Abstract The ITEP-PNPI collaboration presents the first results of the spin rotation parameter A+ measurements in the second resonance region. The experiment was performed at the ITEP accelerator at a positive pion beam momentum 1.43 GeV/c for scattering angles θcm = 127° and 133°. The setup was based on a polarized proton target and a carbon-plate polarimeter. The obtained data is compared with the predictions of the existing partial-wave analyses.

Physics of Atomic Nuclei | 2003

Measurement of the total and differential cross sections for the reaction π−p → ηn with the Crystal Ball detector

N. G. Kozlenko; V. V. Abaev; V. S. Bekrenev; S. P. Kruglov; A. A. Koulbardis; I. V. Lopatin; A. B. Starostin; B. Draper; S. Hayden; J. Huddleston; D. Isenhower; C. Robinson; M. E. Sadler; C. E. Allgower; Robert Victor Cadman; H. M. Spinka; K. Craig; A. F. Ramirez; T. F. Kycia; M. Clajus; A. Marusic; S. McDonald; B. M. K. Nefkens; N. Phaisangittisakul; S. Prakhov; J. W. Price; W. B. Tippens; J. Peterson; W. J. Briscoe; A. Shafi

The first results obtained in 1998 by the Crystal Ball collaboration from a measurement of the total and differential cross sections for the reaction π−p → ηn are presented. These new experimental results for the total cross sections are compared with the predictions of the K-matrix model for pion-nucleon scattering. The angular distribution at momenta near the reaction threshold (685 MeV/c) is determined by the S-wave contribution. The P-wave contribution begins to manifest itself from a momentum of 720 MeV/c.

Physics Letters B | 2004

Does the Σ(1580)32− resonance exist?

J. Olmsted; S. Prakhov; D. M. Manley; C. E. Allgower; V. S. Bekrenev; W. J. Briscoe; M. Clajus; K. Craig; D. Grosnick; D. Isenhower; N. Knecht; D. D. Koetke; N. G. Kozlenko; S. P. Kruglov; A.A. Kulbardis; G. J. Lolos; I. V. Lopatin; R. Manweiler; A. Marusic; S. McDonald; B. M. K. Nefkens; Z. Papandreou; D. C. Peaslee; N. Phaisangittisakul; J. W. Price; A. F. Ramirez; M. E. Sadler; A. Shafi; H. M. Spinka; T. D. S. Stanislaus

Precise new data for the reaction

Physics Letters B | 2003

Does the Sigma(1580)3/2- resonance exist?

K^- p to pi^0 Lambda

Nuclear Physics | 1994

Measurement of the spin rotation parameters R and A in πp elastic scattering and a test of πN partial-wave analyses in the region of low-lying P11, S11 and D13 resonances

I. V. Lopatin; V. V. Abaev; N. A. Bazhanov; V. S. Bekrenev; Yu. A. Beloglazov; E. A. Filimonov; A.I. Kovalyov; N. G. Kozlenko; S. P. Kruglov; A. A. Kulbardis; L.V. Lapochkina; V. V. Polyakov; V. A. Shchedrov; A. V. Shvedchikov; V. V. Sumachev; I.I. Tkach; V. Yu. Trautman

are presented in the c.m. energy range 1565 to 1600 MeV. Our analysis of these data sheds new light on claims for the

European Physical Journal A | 1983

Measurement of the polarization parameterP inπ+p elastic scattering in the region of low-lying pion-nucleon resonances

V. V. Abaev; V. S. Bekrenev; Yu. A. Beloglazov; V.G. Gaditsky; A. I. Kovalev; S. P. Kruglov; A. A. Kulbardis; I. V. Lopatin; A. N. Prokofiev; V. V. Sumachev; V. Yu. Trautman; E. P. Fedorova-Koval; E. A. Filimonov; A. V. Shvedchikov

Sigma(1580){3/2}^-

Nuclear Physics | 1981

Measurement of the Polarization Parameter P in π-p Elastic Scattering in the Energy Range 450–600 MeV

V. S. Bekrenev; N.F. Bondar; E. P. Fedorova-Koval; E. A. Filimonov; V.G. Gaditsky; A. I. Kovalev; S. P. Kruglov; A.A. Kulbardis; L.A. Kuz'min; I.V. Lopatin; V.E. Popov; A. N. Prokofiev; V. V. Sumachev; V.Yu. Trautman

resonance, which (if it exists with the specified quantum numbers) must be an exotic baryon because of its very low mass. Our results show no evidence for this state.

HIGH−ENERGY SPIN PHYSICS/EIGHTH INTERNATIONAL SYMPOSIUM | 2008

Measurement of the spin rotation parameters R and A in π‐p‐elastic scattering in the region of pion‐nucleon resonances

V. V. Abaev; N. A. Bazhanov; V. S. Bekrenev; Yu. A. Beloglazov; E. P. Fedorova-Koval; E. A. Filimonov; A. I. Kovalev; N. G. Kozlenko; S. P. Kruglov; A. A. Kulbardis; I. V. Lopatin; V. V. Polyakov; A. V. Shvedchikov; V. V. Sumachev; I. I. Tkatch; V. Yu. Trautman

Precise new data for the reaction

Journal of Physics G: Nuclear Physics | 1987

First measurement of the spin rotation parameters R and A in πp elastic scattering in the region of low-lying pion-nucleon resonances

V. S. Bekrenev; Yu. A. Beloglazov; E. P. Fedorova-Koval; E. A. Filimonov; V.G. Gaditsky; A. I. Kovalev; N. G. Kozlenko; S. P. Kruglov; A. A. Kulbardis; I. V. Lopatin; V. V. Polyakov; V. V. Sumachev; I. I. Tkatch; V. Yu. Trautman

K^- p to pi^0 Lambda

Surveys in High Energy Physics | 1996