Precise measurements of decay parameters and CP asymmetry with entangled ?- ? ¯ pairs

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dc.authoridSerkant Ali Çetin / 0000-0001-5050-8441
dc.authorscopusidSerkant Ali Çetin / 34567544400en_US
dc.authorwosidSerkant Ali Çetin / AGF-0147-2022
dc.contributor.authorAblikim, Medina N.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, Patrik
dc.contributor.authorAlbrecht, Malte
dc.contributor.authorAliberti, Riccardo
dc.date.accessioned2022-11-08T13:45:04Z
dc.date.available2022-11-08T13:45:04Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Rektörlük, AR-GEen_US
dc.description.abstractBased on 10 billion J/? events collected at the BESIII experiment, a search for CP violation in ? decay is performed in the difference between CP-odd decay parameters ?- for ??p?- and ?+ for ?¯?p¯?+ by using the process e+e-?J/????¯. With a five-dimensional fit to the full angular distributions of the daughter baryon, the most precise values for the decay parameters are determined to be ?-=0.7519±0.0036±0.0024 and ?+=-0.7559±0.0036±0.0030, respectively. The ? and ?¯ averaged value of the decay parameter is extracted to be ?avg=0.7542±0.0010±0.0024 with unprecedented accuracy. The CP asymmetry ACP=(?-+?+)/(? - ?+) is determined to be -0.0025±0.0046±0.0012, which is one of the most precise measurements in the baryon sector. The reported results for the decay parameter will play an important role in the studies of the polarizations and CP violations for the strange, charmed and beauty baryons. © 2022 authors. Published by the American Physical Society.en_US
dc.identifier.citationAblikim, M., Achasov, M. N., Adlarson, P., Albrecht, M., Aliberti, R., Amoroso, A., . . . (BESIII Collaboration). (2022). Precise measurements of decay parameters and CP asymmetry with entangled Λ- Λ ¯ pairs. Physical Review Letters, 129(13) doi:10.1103/PhysRevLett.129.131801en_US
dc.identifier.doi10.1103/PhysRevLett.129.131801en_US
dc.identifier.issue13en_US
dc.identifier.scopus2-s2.0-85138873030en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.129.131801
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3280
dc.identifier.volume129en_US
dc.identifier.wosWOS:000890117500001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorÇetin, Serkant Ali
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titlePrecise measurements of decay parameters and CP asymmetry with entangled ?- ? ¯ pairsen_US
dc.typeArticleen_US

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