Improved model-independent determination of the strong-phase difference between D0 and ¯D0 → K0S,LK+K− decays

BESIII Collaboration; M. Ablikim; M.N. Achasov; P. Adlarson; S. Ahmed; M. Albrecht; R. Aliberti; A. Amoroso; Nasser Kalantar-Nayestanaki; Rosa Kappert; Myroslav Kavatsyuk; Johan Messchendorp; Viktor Rodin

doi:10.1103/PhysRevD.102.052008

Improved model-independent determination of the strong-phase difference between D⁰and ¯D⁰→ K⁰_S,LK⁺K⁻ decays

BESIII Collaboration, M. Ablikim, M.N. Achasov, P. Adlarson, S. Ahmed, M. Albrecht, R. Aliberti, A. Amoroso, Nasser Kalantar-Nayestanaki, Rosa Kappert, Myroslav Kavatsyuk, Johan Messchendorp, Viktor Rodin

Energy and Sustainability Research Institute Groningen

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

We present a measurement of the strong-phase difference between D0 and D¯0→KS,L0K+K- decays, performed through a study of quantum-entangled pairs of charm mesons. The measurement exploits a data sample equivalent to an integrated luminosity of 2.93 fb-1, collected by the BESIII detector in e+e- collisions corresponding to the mass of the ψ(3770) resonance. The strong-phase difference is an essential input to the determination of the Cabibbo-Kobayashi-Maskawa (CKM) angle γ/φ3 through the decay B-→DK-, where D can be either a D0 or a D¯0 decaying to KS,L0K+K-. This is the most precise measurement to date of the strong-phase difference in these decays.

Original language	English
Article number	052008
Number of pages	27
Journal	Physical Review D
Volume	102
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.102.052008
Publication status	Published - 1-Sept-2020

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Improved model-independent determination of the strong-phase difference between D0 and ¯D0 → K0S,LK+K− decaysFinal publisher's version, 2.73 MBLicence: CC BY

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BESIII Collaboration, Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Aliberti, R., Amoroso, A., Kalantar-Nayestanaki, N., Kappert, R., Kavatsyuk, M., Messchendorp, J., & Rodin, V. (2020). Improved model-independent determination of the strong-phase difference between D⁰and ¯D⁰→ K⁰_S,LK⁺K⁻ decays. Physical Review D, 102(5), Article 052008. https://doi.org/10.1103/PhysRevD.102.052008

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title = "Improved model-independent determination of the strong-phase difference between D0 and ¯D0 → K0S,LK+K− decays",

abstract = "We present a measurement of the strong-phase difference between D0 and D¯0→KS,L0K+K- decays, performed through a study of quantum-entangled pairs of charm mesons. The measurement exploits a data sample equivalent to an integrated luminosity of 2.93 fb-1, collected by the BESIII detector in e+e- collisions corresponding to the mass of the ψ(3770) resonance. The strong-phase difference is an essential input to the determination of the Cabibbo-Kobayashi-Maskawa (CKM) angle γ/φ3 through the decay B-→DK-, where D can be either a D0 or a D¯0 decaying to KS,L0K+K-. This is the most precise measurement to date of the strong-phase difference in these decays.",

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BESIII Collaboration, Ablikim, M, Achasov, MN, Adlarson, P, Ahmed, S, Albrecht, M, Aliberti, R, Amoroso, A, Kalantar-Nayestanaki, N, Kappert, R, Kavatsyuk, M , Messchendorp, J & Rodin, V 2020, 'Improved model-independent determination of the strong-phase difference between D⁰and ¯D⁰→ K⁰_S,LK⁺K⁻ decays', Physical Review D, vol. 102, no. 5, 052008. https://doi.org/10.1103/PhysRevD.102.052008

TY - JOUR

T1 - Improved model-independent determination of the strong-phase difference between D0 and ¯D0 → K0S,LK+K− decays

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Achasov, M.N.

AU - Adlarson, P.

AU - Ahmed, S.

AU - Albrecht, M.

AU - Aliberti, R.

AU - Amoroso, A.

AU - Kalantar-Nayestanaki, Nasser

AU - Kappert, Rosa

AU - Kavatsyuk, Myroslav

AU - Messchendorp, Johan

AU - Rodin, Viktor

PY - 2020/9/1

Y1 - 2020/9/1

N2 - We present a measurement of the strong-phase difference between D0 and D¯0→KS,L0K+K- decays, performed through a study of quantum-entangled pairs of charm mesons. The measurement exploits a data sample equivalent to an integrated luminosity of 2.93 fb-1, collected by the BESIII detector in e+e- collisions corresponding to the mass of the ψ(3770) resonance. The strong-phase difference is an essential input to the determination of the Cabibbo-Kobayashi-Maskawa (CKM) angle γ/φ3 through the decay B-→DK-, where D can be either a D0 or a D¯0 decaying to KS,L0K+K-. This is the most precise measurement to date of the strong-phase difference in these decays.

AB - We present a measurement of the strong-phase difference between D0 and D¯0→KS,L0K+K- decays, performed through a study of quantum-entangled pairs of charm mesons. The measurement exploits a data sample equivalent to an integrated luminosity of 2.93 fb-1, collected by the BESIII detector in e+e- collisions corresponding to the mass of the ψ(3770) resonance. The strong-phase difference is an essential input to the determination of the Cabibbo-Kobayashi-Maskawa (CKM) angle γ/φ3 through the decay B-→DK-, where D can be either a D0 or a D¯0 decaying to KS,L0K+K-. This is the most precise measurement to date of the strong-phase difference in these decays.

U2 - 10.1103/PhysRevD.102.052008

DO - 10.1103/PhysRevD.102.052008

M3 - Article

SN - 1550-7998

VL - 102

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052008

ER -

Improved model-independent determination of the strong-phase difference between D0 and ¯D0 → K0S,LK+K− decays

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Improved model-independent determination of the strong-phase difference between D⁰and ¯D⁰→ K⁰_S,LK⁺K⁻ decays