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Поле DC | Значение | Язык |
---|---|---|
dc.contributor.author | Aaij, Roel | en |
dc.contributor.author | Beteta, Carlos Abellan | en |
dc.contributor.author | Eydelman, Semen Isaakovich | en |
dc.contributor.author | Kharisova, Anastasiya Evgenjevna | en |
dc.contributor.author | Panshin, Gennady Leonidovich | en |
dc.date.accessioned | 2022-07-01T04:01:53Z | - |
dc.date.available | 2022-07-01T04:01:53Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | First measurement of the CP-violating phase in B0s→J/ψ( →e+e−)ϕ decays / R. Aaij, C. B. Beteta, S. I. Eydelman [et al.] // The European Physical Journal C. — 2021. — Vol. 81, iss. 11. — [1026, 18 p.]. | en |
dc.identifier.uri | http://earchive.tpu.ru/handle/11683/72494 | - |
dc.description.abstract | A flavour-tagged time-dependent angular analysis of B0s→J/ψϕ decays is presented where the J/ψJ/ψ meson is reconstructed through its decay to an e+e− pair. The analysis uses a sample of pp collision data recorded with the LHCb experiment at centre-of-mass energies of 7 and 8\,Te V, corresponding to an integrated luminosity of 3\,fb−1. The CP-violating phase and lifetime parameters of the B0s system are measured to be ϕs=0.00±0.28±0.07\,rad, ΔΓs=0.115±0.045±0.011\,ps−1 and Γs=0.608±0.018±0.012\,ps−1 where the first uncertainty is statistical and the second systematic. This is the first time that CP-violating parameters are measured in the B0s→J/ψϕ decay with an e+e− pair in the final state. The results are consistent with previous measurements in other channels and with the Standard Model predictions. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | en |
dc.publisher | Springer Science+Business Media LLC. | en |
dc.relation.ispartof | The European Physical Journal C. 2021. Vol. 81, iss. 11 | en |
dc.rights | info:eu-repo/semantics/openAccess | - |
dc.rights | Attribution-NonCommercial 4.0 International | en |
dc.rights.uri | https://creativecommons.org/licenses/by-nc/4.0/ | - |
dc.source | The European Physical Journal C | en |
dc.title | First measurement of the CP-violating phase in B0s→J/ψ( →e+e−)ϕ decays | en |
dc.type | Article | en |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dcterms.audience | Researches | en |
local.description.firstpage | 1026 | - |
local.filepath | reprint-nw-37922.pdf | - |
local.filepath | https://doi.org/10.1140/epjc/s10052-021-09711-7 | - |
local.identifier.bibrec | RU\TPU\network\37922 | - |
local.identifier.perskey | RU\TPU\pers\46775 | - |
local.identifier.perskey | RU\TPU\pers\40978 | - |
local.issue | 11 | - |
local.localtype | Статья | ru |
local.volume | 81 | - |
dc.identifier.doi | 10.1140/epjc/s10052-021-09711-7 | - |
Располагается в коллекциях: | Репринты научных публикаций |
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Файл | Описание | Размер | Формат | |
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reprint-nw-37922.pdf | 1,46 MB | Adobe PDF | Просмотреть/Открыть |
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