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First observation of D⁰-D⁰ oscillations in D⁰ → K⁺π⁻π⁺π⁻ decays and measurement of the associated coherence parameters.

Abstract:

Charm meson oscillations are observed in a time-dependent analysis of the ratio of D⁰ → K⁺π⁻π⁺π⁻ to D⁰ → K⁻π⁺π⁻π⁺ decay rates, using data corresponding to an integrated luminosity of 3.0  fb^⁻1 recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favored amplitudes rDK3π and the product of the coherence factor RDK3π and a charm mixing parameter y'K3π. The constraints measured are rDK3π=(5.67±0.12)×1...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1103/PhysRevLett.116.241801

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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Department:
Oxford, MPLS, Physics, Particle Physics
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Author
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
116
Issue:
24
Pages:
241801
Publication date:
2016-06-05
Acceptance date:
2016-05-19
DOI:
ISSN:
0031-9007 and 1079-7114
Pubs id:
pubs:606598
URN:
uri:9b07d161-1b80-4a03-8fa4-a7f51b0b5487
UUID:
uuid:9b07d161-1b80-4a03-8fa4-a7f51b0b5487
Local pid:
pubs:606598
Language:
English
Keywords:

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