Measurement of a double spin asymmetry in the photoproduction of π <sup>−</sup> -mesons on deuterons

Abstract

The paper presents results of a double polarization experiment to extract an asymmetry of the π ⁻ -meson photoproduction on a tensor-polarized deuteron by a linearly polarized photon. The energy of photons lies in the range (300–700) MeV. The measurements were performed on the internal tensor-polarized deuterium target in the VEPP-3 electron-positron storage ring for the electron beam energy equal to 2 GeV. In the experiment, two protons and a scattered electron were detected in coincidence. The results of the measurement are compared with theoretical predictions made in the framework of impulse approximation, taking into account the πN and NN-rescattering in the final state.

Original language	English
Article number	167
Journal	European Physical Journal A
Volume	54
Issue number	10
DOIs	https://doi.org/10.1140/epja/i2018-12608-1
Publication status	Published - 2018

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1140/epja/i2018-12608-1

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Gauzshtein, V. V., Lazarenko, B. A., Loginov, A. Y., Mishnev, S. I., Nikolenko, D. M., Rachek, I. A., Sadykov, R. S., Shestakov, Y. V., Toporkov, D. K., & Zevakov, S. A. (2018). Measurement of a double spin asymmetry in the photoproduction of π ⁻ -mesons on deuterons. European Physical Journal A, 54(10), [167]. https://doi.org/10.1140/epja/i2018-12608-1

Measurement of a double spin asymmetry in the photoproduction of π ⁻ -mesons on deuterons. / Gauzshtein, V. V.; Lazarenko, B. A.; Loginov, A. Yu; Mishnev, S. I.; Nikolenko, D. M.; Rachek, I. A.; Sadykov, R. Sh; Shestakov, Yu V.; Toporkov, D. K.; Zevakov, S. A.

In: European Physical Journal A, Vol. 54, No. 10, 167, 2018.

Research output: Contribution to journal › Article › peer-review

Gauzshtein, VV, Lazarenko, BA, Loginov, AY, Mishnev, SI, Nikolenko, DM, Rachek, IA, Sadykov, RS, Shestakov, YV, Toporkov, DK & Zevakov, SA 2018, 'Measurement of a double spin asymmetry in the photoproduction of π ⁻ -mesons on deuterons', European Physical Journal A, vol. 54, no. 10, 167. https://doi.org/10.1140/epja/i2018-12608-1

Gauzshtein, V. V. ; Lazarenko, B. A. ; Loginov, A. Yu ; Mishnev, S. I. ; Nikolenko, D. M. ; Rachek, I. A. ; Sadykov, R. Sh ; Shestakov, Yu V. ; Toporkov, D. K. ; Zevakov, S. A. / Measurement of a double spin asymmetry in the photoproduction of π ⁻ -mesons on deuterons. In: European Physical Journal A. 2018 ; Vol. 54, No. 10.

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title = "Measurement of a double spin asymmetry in the photoproduction of π − -mesons on deuterons",

abstract = " The paper presents results of a double polarization experiment to extract an asymmetry of the π − -meson photoproduction on a tensor-polarized deuteron by a linearly polarized photon. The energy of photons lies in the range (300–700) MeV. The measurements were performed on the internal tensor-polarized deuterium target in the VEPP-3 electron-positron storage ring for the electron beam energy equal to 2 GeV. In the experiment, two protons and a scattered electron were detected in coincidence. The results of the measurement are compared with theoretical predictions made in the framework of impulse approximation, taking into account the πN and NN-rescattering in the final state. ",

author = "Gauzshtein, {V. V.} and Lazarenko, {B. A.} and Loginov, {A. Yu} and Mishnev, {S. I.} and Nikolenko, {D. M.} and Rachek, {I. A.} and Sadykov, {R. Sh} and Shestakov, {Yu V.} and Toporkov, {D. K.} and Zevakov, {S. A.}",

note = "Funding Information: The research is carried out at Tomsk Polytechnic University within the framework of Tomsk Polytechnic University Competitiveness Enhancement Program grant. Publisher Copyright: {\textcopyright} Societ{\`a} Italiana di Fisica/ Springer-Verlag GmbH Germany, part of Springer Nature, 2018. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",

year = "2018",

doi = "10.1140/epja/i2018-12608-1",

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AU - Gauzshtein, V. V.

AU - Lazarenko, B. A.

AU - Loginov, A. Yu

AU - Mishnev, S. I.

AU - Nikolenko, D. M.

AU - Rachek, I. A.

AU - Sadykov, R. Sh

AU - Shestakov, Yu V.

AU - Toporkov, D. K.

AU - Zevakov, S. A.

N1 - Funding Information: The research is carried out at Tomsk Polytechnic University within the framework of Tomsk Polytechnic University Competitiveness Enhancement Program grant. Publisher Copyright: © Società Italiana di Fisica/ Springer-Verlag GmbH Germany, part of Springer Nature, 2018. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

PY - 2018

Y1 - 2018

N2 - The paper presents results of a double polarization experiment to extract an asymmetry of the π − -meson photoproduction on a tensor-polarized deuteron by a linearly polarized photon. The energy of photons lies in the range (300–700) MeV. The measurements were performed on the internal tensor-polarized deuterium target in the VEPP-3 electron-positron storage ring for the electron beam energy equal to 2 GeV. In the experiment, two protons and a scattered electron were detected in coincidence. The results of the measurement are compared with theoretical predictions made in the framework of impulse approximation, taking into account the πN and NN-rescattering in the final state.

AB - The paper presents results of a double polarization experiment to extract an asymmetry of the π − -meson photoproduction on a tensor-polarized deuteron by a linearly polarized photon. The energy of photons lies in the range (300–700) MeV. The measurements were performed on the internal tensor-polarized deuterium target in the VEPP-3 electron-positron storage ring for the electron beam energy equal to 2 GeV. In the experiment, two protons and a scattered electron were detected in coincidence. The results of the measurement are compared with theoretical predictions made in the framework of impulse approximation, taking into account the πN and NN-rescattering in the final state.

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