Transverse polarization measurement of Λ hyperons in pNe collisions at $$ \sqrt{{\textrm{s}}_{\textrm{NN}}} $$ = 68.4 GeV with the LHCb detector

Brundu, D.;Contu, A.;De Angelis, C.
;
Dettori, F.;Dordei, F.;Fabiano, F.;Litvinov, R.;Manca, G.;Oldeman, R.;Saitta, B.;Sun, J.;
2024-01-01

Abstract

A measurement of the transverse polarization of the Λ and hyperons in pNe fixed-target collisions at = 68.4 GeV is presented using data collected by the LHCb detector. The polarization is studied using the decay Λ → pπ− together with its charge conjugated process, the integrated values measured are PΛ = 0.029 ± 0.019 (stat) ± 0.012 (syst), PΛ = 0.003 ± 0.023 (stat) ± 0.014 (syst). Furthermore, the results are shown as a function of the Feynman x variable, transverse momentum, pseudorapidity and rapidity of the hyperons, and are compared with previous measurements.
2024
Inglese
2024
9
82
17
Esperti anonimi
scientifica
Fixed Target Experiments; Polarization
Null, Null; Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; Adefisoye, A. A.; Adeva, B.; Adinolfi, M.; Adlarson, P ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
1090
open
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