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Measurement of the direct CP violating charge asymmetry in B± →μ±νμD0 decays
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SYSNO ASEP 0484252 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Measurement of the direct CP violating charge asymmetry in B± →μ±νμD0 decays Author(s) Abazov, V. M. (RU)
Abbott, B. (US)
Acharya, B.S. (IN)
Kupčo, Alexander (FZU-D) RID, ORCID
Lokajíček, Miloš (FZU-D) RID, ORCIDNumber of authors 371 Article number 031101 Source Title Physical Review D. - : American Physical Society - ISSN 2470-0010
Roč. 95, č. 3 (2017), s. 1-8Number of pages 8 s. Language eng - English Country US - United States Keywords CP ; violation ; B0 anti-B0 ; mixing ; Batavia TEVATRON Coll ; DZERO Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects LM2015068 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LG15047 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 UT WOS 000393509100001 EID SCOPUS 85019613421 DOI 10.1103/PhysRevD.95.031101 Annotation We present the first measurement of the CP violating charge asymmetry in B±→μ±νμD0 decays using the full Run II integrated luminosity of 10.4 fb-1 in proton-antiproton collisions collected with the D0 detector at the Fermilab Tevatron Collider. We measure a difference in the yield of B- and B+ mesons in these decays by fitting the reconstructed invariant mass distributions. This results in an asymmetry of AμD0=[-0.14±0.20]%, which is consistent with standard model predictions.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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