Lifetime Measurements
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2022 ◽  
Vol 258 ◽  
pp. 04002
Author(s):  
Vladyslav Shtabovenko

The width difference ΔΓs that can be extracted from lifetime measurements of the two mass eigenstates of the Bs0−B¯s0 system is one of the key flavor precision observables and has been experimentally measured at per cent level accuracy. The current theory prediction is much less accurate and a sizable reduction of scale uncertainties can only be achieved by means of evaluating the uncalculated 2- and 3-loop QCD corrections. This is precisely the issue addressed in this work where we report on the results that have been obtained so far and explain some of the technical and conceptual challenges that we encountered in the course of our calculations.


2021 ◽  
Vol 104 (6) ◽  
Author(s):  
A. Esmaylzadeh ◽  
V. Karayonchev ◽  
K. Nomura ◽  
J. Jolie ◽  
M. Beckers ◽  
...  

2021 ◽  
Author(s):  
O. A. Stelmashchuk ◽  
V. V. Shupletsov ◽  
A. V. Dunaev ◽  
E. A. Zherebtsov

2021 ◽  
Vol 104 (5) ◽  
Author(s):  
S. Aydin ◽  
M. Ionescu-Bujor ◽  
N. Mărginean ◽  
C. Costache ◽  
D. Bucurescu ◽  
...  

2021 ◽  
Vol 32 (10) ◽  
Author(s):  
Jian Zhong ◽  
Xiao-Guang Wu ◽  
Shi-Peng Hu ◽  
Ying-Jun Ma ◽  
Yun Zheng ◽  
...  

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
M. Siciliano ◽  
J. J. Valiente-Dobón ◽  
A. Goasduff ◽  
T. R. Rodríguez ◽  
D. Bazzacco ◽  
...  

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
H. Kleis ◽  
M. Seidlitz ◽  
A. Blazhev ◽  
L. Kaya ◽  
P. Reiter ◽  
...  

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
B. Olaizola ◽  
A. Babu ◽  
R. Umashankar ◽  
A. B. Garnsworthy ◽  
G. C. Ball ◽  
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