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Measurement of matter–antimatter differences in beauty baryon decays

Abstract:

Differences in the behaviour of matter and antimatter have been observed in K and B meson decays, but not yet in any baryon decay. Such differences are associated with the non-invariance of fundamental interactions under the combined charge-conjugation and parity transformations, known as CP violation. Here, using data from the LHCb experiment at the Large Hadron Collider, we search for CP-violating asymmetries in the decay angle distributions of Λ b 0 baryons decaying to pπ - π + π - and pπ ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/nphys4021

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
French National Center for Scientific Research More from this funder
German Federal Ministry of Education and Research More from this funder
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Publisher:
Nature Publishing Group Publisher's website
Journal:
Nature Physics Journal website
Volume:
13
Issue:
4
Pages:
391-396
Publication date:
2017-01-01
Acceptance date:
2016-12-21
DOI:
EISSN:
1745-2481
ISSN:
1745-2473
Source identifiers:
646191
Keywords:
Pubs id:
pubs:646191
UUID:
uuid:372b7022-fdae-49ed-b86f-a582996e71dc
Local pid:
pubs:646191
Deposit date:
2017-11-03

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