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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2024, Volume 119, Issue 1, Pages 3–6
DOI: https://doi.org/10.31857/S1234567824010014 (Mi jetpl7118) 		 
FIELDS, PARTICLES, AND NUCLEI

Features of the production of antiprotons with high transverse momenta at an angle of $40^\circ$ in collisions of a $50$-GeV proton beam with nuclei

N. N. Antonova, V. A. Viktorova, V. A. Gapienkoa, G. S. Gapienkoa, I. V. Lobova, F. N. Novoskol'tseva, A. F. Prudkoglyada, A. A. Semaka, I. P. Solodovnikova, V. I. Terekhova, M. N. Ukhanova, S. S. Shimanskiib

a Institute for High Energy Physics, National Research Center Kurchatov Institute, Protvino, Moscow region, 142281 Russia
b Joint Institute for Nuclear Research, Dubna, Moscow region, 141980 Russia
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DOI: https://doi.org/10.31857/S1234567824010014
Abstract: Data on the production of antiprotons at an angle of $40^\circ$ in the laboratory system in collisions of $50$-GeV protons with C, Al, Cu, and W nuclear targets have been obtained in the SPIN experiment (IHEP, Protvino, Russia). Invariant cross sections have been measured at transverse momenta up to $p_T\approx2.6\,$ GeV/c. The analysis of the momentum spectra has shown that multinucleon (multiquark) configurations inside a nucleus are involved in the production of antiprotons.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation
This work was supported by ongoing institutional funding of the Institute for High Energy Physics, National Research Center Kurchatov Institute.
Received: 27.09.2023
Revised: 15.11.2023
Accepted: 22.11.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2024, Volume 119, Issue 1, Pages 1–4
DOI: https://doi.org/10.1134/S0021364023603858
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: N. N. Antonov, V. A. Viktorov, V. A. Gapienko, G. S. Gapienko, I. V. Lobov, F. N. Novoskol'tsev, A. F. Prudkoglyad, A. A. Semak, I. P. Solodovnikov, V. I. Terekhov, M. N. Ukhanov, S. S. Shimanskii, “Features of the production of antiprotons with high transverse momenta at an angle of $40^\circ$ in collisions of a $50$-GeV proton beam with nuclei”, Pis'ma v Zh. Èksper. Teoret. Fiz., 119:1 (2024), 3–6; JETP Letters, 119:1 (2024), 1–4
Citation in format AMSBIB
\Bibitem{AntVikGap24}
\by N.~N.~Antonov, V.~A.~Viktorov, V.~A.~Gapienko, G.~S.~Gapienko, I.~V.~Lobov, F.~N.~Novoskol'tsev, A.~F.~Prudkoglyad, A.~A.~Semak, I.~P.~Solodovnikov, V.~I.~Terekhov, M.~N.~Ukhanov, S.~S.~Shimanskii
\paper Features of the production of antiprotons with high transverse momenta at an angle of $40^\circ$ in collisions of a $50$-GeV proton beam with nuclei
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2024
\vol 119
\issue 1
\pages 3--6
\mathnet{http://mi.mathnet.ru/jetpl7118}
\crossref{https://doi.org/10.31857/S1234567824010014}
\edn{https://elibrary.ru/sanlaf}
\transl
\jour JETP Letters
\yr 2024
\vol 119
\issue 1
\pages 1--4
\crossref{https://doi.org/10.1134/S0021364023603858}
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