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Поле DC | Значение | Язык |
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dc.contributor.author | Aaij, Roel | en |
dc.contributor.author | Adeva, Bernardo | en |
dc.contributor.author | Adinolfi, Marco | en |
dc.contributor.author | Panshin, Gennady Leonidovich | en |
dc.contributor.author | Strokov, Sergey Aleksandrovich | en |
dc.contributor.author | Vagner, Aleksandr Rudolfovich | en |
dc.date.accessioned | 2020-01-29T10:04:18Z | - |
dc.date.available | 2020-01-29T10:04:18Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Measurement of the CKM angle γ using B± → DK± with D → K S 0 π+π−, K S 0 K+K− decays / R. Aaij [et al.] // Journal of High Energy Physics. — 2018. — № 8. — [176, 35 p.]. | ru |
dc.identifier.uri | http://earchive.tpu.ru/handle/11683/57707 | - |
dc.description.abstract | A binned Dalitz plot analysis of B± → DK± decays, with D → K S 0 π+π− and D → K S 0 K+K−, is used to perform a measurement of the CP-violating observables x± and y±, which are sensitive to the Cabibbo-Kobayashi-Maskawa angle γ. The analysis is performed without assuming any Ddecay model, through the use of information on the strong-phase variation over the Dalitz plot from the CLEO collaboration. Using a sample of proton-proton collision data collected with the LHCb experiment in 2015 and 2016, and corresponding to an integrated luminosity of 2.0 fb−1, the values of the CP violation parameters are found to be x− = (9.0 ± 1.7 ± 0.7 ± 0.4) × 10−2, y−= (2.1 ± 2.2 ± 0.5 ± 1.1) × 10−2, x+ = (−7.7 ± 1.9 ± 0.7 ± 0.4) × 10−2, and y+ = (−1.0 ± 1.9 ± 0.4 ± 0.9) × 10−2. The first uncertainty is statistical, the second is systematic, and the third is due to the uncertainty (on the strong-phase measurements. These values are used to obtain γ = (87 − 12+ 11 )∘, rB = 0.086 − 0.014 + 0.013 , and δB = (101±11)°, where rB is the ratio between the suppressed and favoured B-decay amplitudes and δB is the corresponding strong-interaction phase difference. This measurement is combined with the result obtained using 2011 and 2012 data collected with the LHCb experiment, to give γ = (80 − 9 + 10 )∘, rB = 0.080 ± 0.011, and δB = (110 ± 10)°. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | en |
dc.publisher | Томский политехнический университет | ru |
dc.rights | info:eu-repo/semantics/openAccess | en |
dc.source | Journal of High Energy Physics | en |
dc.subject | физика | ru |
dc.subject | адронное взаимодействие | ru |
dc.title | Measurement of the CKM angle γ using B± → DK± with D → K S 0 π+π−, K S 0 K+K− decays | en |
dc.type | Article | en |
dc.type | info:eu-repo/semantics/publishedVersion | en |
dc.type | info:eu-repo/semantics/article | en |
dcterms.audience | Researches | en |
local.description.firstpage | 176 | - |
local.filepath | https://doi.org/10.1007/JHEP08(2018)176 | - |
local.identifier.bibrec | RU\TPU\network\27126 | - |
local.identifier.perskey | RU\TPU\pers\40978 | - |
local.identifier.perskey | RU\TPU\pers\37442 | - |
local.identifier.perskey | RU\TPU\pers\31560 | - |
local.issue | 8 | - |
local.localtype | Статья | ru |
dc.identifier.doi | 10.1007/JHEP08(2018)176 | - |
Располагается в коллекциях: | Репринты научных публикаций |
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Файл | Описание | Размер | Формат | |
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reprint-nw-27126.pdf | 2,98 MB | Adobe PDF | Просмотреть/Открыть |
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