======  TTP21-015 Two-loop QCD penguin contribution to width difference in $B_s-\bar{B}_s$ mixing  ======

^ TTP21-015 Two-loop QCD penguin contribution to width difference in $B_s-\bar{B}_s$ mixing ^
| **Marvin Gerlach, Ulrich Nierste, Vladyslav Shtabovenko, Matthias Steinhauser** | 
|**    JHEP 07 (2021) 043**|
| {{preprints:2021:ttp21-015.pdf|PDF}} {{progdata:2021:ttp21-015.tar.gz|Data}}  [[https://arxiv.org/abs/2106.05979|arXiv]] | 
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