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Probing transversity by measuring Λ polarisation in SIDIS
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SYSNO ASEP 0553556 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Probing transversity by measuring Λ polarisation in SIDIS Author(s) Alexeev, G. D. (RU)
Alexeev, M. G. (IT)
Amoroso, A. (IT)
Andrieux, V. (CH)
Anosov, V. (RU)
Augsten, K. (RU)
Augustyniak, W. (PL)
Azevedo, C. (PT)
Badelek, B. (PL)
Balestra, F. (IT)
Ball, M. (DE)
Barth, J. (DE)
Beck, R. (DE)
Bedfer, Y. (FR)
Antequera, J. B. (IT)
Bernhard, J. (CH)
Bodlák, M. (CZ)
Bradamante, F. (IT)
Bressan, A. (IT)
Burtsev, V. E. (RU)
Chang, W.-C. (TW)
Chatterjee, C. (IT)
Chiosso, M. (IT)
Chumakov, A. G. (RU)
Chung, S. U. (DE)
Cicuttin, A. (IT)
Correia, P. M. M. (PT)
Crespo, M. L. (IT)
D'Ago, D. (IT)
Srnka, Aleš (UPT-D) RID, ORCID, SAINumber of authors 208 Article number 136834 Source Title Physics Letters. B. - : Elsevier - ISSN 0370-2693
Roč. 824, 10 January (2022)Number of pages 10 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords Quantum chromodynamics ; Deep inelastic scattering ; Lambda polarisation ; Transversity ; COMPASS Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Method of publishing Open access Institutional support UPT-D - RVO:68081731 UT WOS 000746454300009 EID SCOPUS 85121432109 DOI 10.1016/j.physletb.2021.136834 Annotation Based on the observation of sizeable target-transverse-spin asymmetries in single-hadron and hadronpair production in Semi-Inclusive measurements of Deep Inelastic Scattering (SIDIS), the chiral-odd transversity quark distribution functions hq1 are nowadays well established. Several possible channels to access these functions were originally proposed. One candidate is the measurement of the polarisation of hyperons produced in SIDIS off transversely polarised nucleons, where the transverse polarisation of the struck quark might be transferred to the final-state hyperon. In this article, we present the COMPASS results on the transversity-induced polarisation of and over line hyperons produced in SIDIS off transversely polarised protons. Within the experimental uncertainties, no significant deviation from zero was observed. The results are discussed in the context of different models taking into account previous experimental results on hu1 and hd1. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2023 Electronic address https://www.sciencedirect.com/science/article/pii/S0370269321007747
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