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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

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Publisher copy:
10.1103/PhysRevLett.116.241801

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
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Russian Foundation for Basic Research More from this funder
Labex Origins, Constituents and EVolution of the Universe More from this funder
Labex Enigma of Mass More from this funder
Région Auvergne 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:
2016-06-01
Acceptance date:
2016-05-19
DOI:
ISSN:
1079-7114 and 0031-9007
Pmid:
27367383
Source identifiers:
606598
Language:
English
Keywords:
Pubs id:
pubs:606598
UUID:
uuid:9b07d161-1b80-4a03-8fa4-a7f51b0b5487
Local pid:
pubs:606598
Deposit date:
2016-11-02

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