Measurements of D<SUP>0</SUP>-D<SUP>0</SUP> mixing and searches for CP violation: HFAG combination of all data

A.J.Schwartz

doi:10.1088/1674-1137/32/6/014

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2024年10月30日

Chinese Physics C> 2008, Vol. 32> Issue(6) : 477-482 DOI: 10.1088/1674-1137/32/6/014

Measurements of D⁰-D⁰ mixing and searches for CP violation: HFAG combination of all data

A.J.Schwartz ^,

Physics Department, University of Cincinnati, Cincinnati, Ohio 45221, USA

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Abstract：
We present world average values for D⁰-D⁰ mixing parameters x and y, CP violation parameters |q/p| and Arg(q/p), and strong phase differences δ and δ_Kππ. These values are calculated by the Heavy Flavor Averaging Group (HFAG)
by performing a global fit to relevant experimental measurements. The results
for x and y differ significantly from zero and are inconsistent with no mixing at the level of 6.7σ. The results for |q/p| and Arg(q/p) are consistent with no CP violation. The strong phase difference δ is less than 45° at 95%C.L.

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A.J.Schwartz. Measurements of D⁰-D⁰ mixing and searches for CP violation: HFAG combination of all data[J]. Chinese Physics C, 2008, 32(6): 477-482. doi: 10.1088/1674-1137/32/6/014

A.J.Schwartz. Measurements of D⁰-D⁰ mixing and searches for CP violation: HFAG combination of all data[J]. Chinese Physics C, 2008, 32(6): 477-482. doi: 10.1088/1674-1137/32/6/014 shu

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Received: 2008-02-25
Revised: 1900-01-01

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Measurements of D⁰-D⁰ mixing and searches for CP violation: HFAG combination of all data

A.J.Schwartz ^,

Corresponding author: A.J.Schwartz,

Physics Department, University of Cincinnati, Cincinnati, Ohio 45221, USA

Received Date: 2008-02-25
Accepted Date: 1900-01-01
Available Online: 2008-06-05

Abstract: We present world average values for D⁰-D⁰ mixing parameters x and y, CP violation parameters |q/p| and Arg(q/p), and strong phase differences δ and δ_Kππ. These values are calculated by the Heavy Flavor Averaging Group (HFAG)
by performing a global fit to relevant experimental measurements. The results
for x and y differ significantly from zero and are inconsistent with no mixing at the level of 6.7σ. The results for |q/p| and Arg(q/p) are consistent with no CP violation. The strong phase difference δ is less than 45° at 95%C.L.

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