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Observation of the Polarization of Λ Hyperons Produced in the Interaction of K– Mesons with Nuclei.

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Title: Observation of the Polarization of Λ Hyperons Produced in the Interaction of K– Mesons with Nuclei.
Authors: Abramov, V. V.1 (AUTHOR), Moiseev, V. V.1 (AUTHOR), Alekseev, I. G.2 (AUTHOR), Bazhanov, N. A.3 (AUTHOR), Borisov, N. S.3 (AUTHOR), Vasiliev, A. N.1,4 (AUTHOR), Goncharenko, Yu. M.1 (AUTHOR), Gorodnov, I. S.3 (AUTHOR), Gridnev, A. B.5 (AUTHOR), Kalugin, N. K.1 (AUTHOR), Kozlenko, N. G.5 (AUTHOR), Melnik, Yu. M.1 (AUTHOR), Meshchanin, A. P.1 (AUTHOR), Minaev, N. G.1 (AUTHOR), Morozov, D. A.1 (AUTHOR), Mochalov, V. V.1,4 (AUTHOR) mochalov@ihep.ru, Neganov, A. B.3 (AUTHOR), Nesterov, V. M.2 (AUTHOR), Novikov, K. D.1 (AUTHOR), Novinskii, D. V.5 (AUTHOR)
Source: JETP Letters. Sep2024, Vol. 120 Issue 6, p381-387. 7p.
Subjects: Hyperons, Mesons, Measurement, Facilities
Abstract: First results on the polarization of hyperons inclusively produced on 26.5-GeV/c and beams are presented. The measurements were carried out using the SPASCHARM setup at the U-70 accelerator facility (Protvino, Russia) on nuclear targets in 2021 and 2022. The polarization of an hyperon on the beam does not exceed several percent in most of the studied kinematic region. The data obtained on the -meson beam exhibit a significant positive polarization at large values of the Feynman variable xF and transverse momentum pT measured for the first time on nuclei. [ABSTRACT FROM AUTHOR]
Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Observation of the Polarization of Λ Hyperons Produced in the Interaction of K<superscript>–</superscript> Mesons with Nuclei.
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  Data: First results on the polarization of hyperons inclusively produced on 26.5-GeV/c and beams are presented. The measurements were carried out using the SPASCHARM setup at the U-70 accelerator facility (Protvino, Russia) on nuclear targets in 2021 and 2022. The polarization of an hyperon on the beam does not exceed several percent in most of the studied kinematic region. The data obtained on the -meson beam exhibit a significant positive polarization at large values of the Feynman variable xF and transverse momentum pT measured for the first time on nuclei. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=180628944
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