Journal
PHYSICAL REVIEW D
Volume 99, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.99.075013
Keywords
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Funding
- Ministry of Education, Science, Sports, and Culture (MEXT), Japan [17H05404]
- JSPS [16H03991, 16H02176, 17H05399, 18K03611]
- World Premier International Research Center Initiative, MEXT, Japan
- Grants-in-Aid for Scientific Research [17H05399, 18K03611, 16H03991] Funding Source: KAKEN
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There are discrepancies between the experimental results and the Standard Model predictions, in the lepton flavor universality of the semileptonic B decays: B -> D((*))l nu. As the new physics interpretations, new charged vector and charged scalar fields, that dominantly couple to the second and third generations, have been widely discussed. In this paper, we study the signals of the new particles at the LHC, and test the interpretations via the direct search for the new resonances. In particular, we see that the tau nu resonance search at the LHC has already covered most of the parameter regions favored by the Belle and BABAR experiments. We find that the bound is already stronger than the one from the B-c decay depending on the mass of the charged scalar.
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