Form factor ratios for and semileptonic decays and
Abstract
We present a lattice quantum chromodynamics determination of the ratio of the scalar and vector form factors for two semileptonic decays of the B s meson: $$B_s$$ → $Kℓν$ and $$B_s$$ → $$D_sℓν$$. In conjunction with future experimental data, our results for these correlated form factors will provide a new method to extract $$|V_{ub}/V_{cb}|$$, which may elucidate the current tension between exclusive and inclusive determinations of these Cabibbo-Kobayashi-Maskawa mixing matrix parameters. In addition to the form factor results, we determine the ratio of the differential decay rates, and forward-backward and polarization asymmetries, for the two decays.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Washington, Seattle, WA (United States); The Ohio State Univ., Columbus, OH (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- Contributing Org.:
- HPQCD Collaboration
- OSTI Identifier:
- 1488365
- Alternate Identifier(s):
- OSTI ID: 1609330
- Grant/Contract Number:
- FG02-00ER41132; SC0011726
- Resource Type:
- Published Article
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 11; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Lattice QCD; Lattice field theory; Leptonic, semileptonic & radiative decays; Nonrelativistic QCD
Citation Formats
Monahan, Christopher J., Bouchard, Chris M., Lepage, G. Peter, Na, Heechang, Shigemitsu, Junko, and HPQCD Collaboration. Form factor ratios for B s → K ℓ ν and B s → D s ℓ ν semileptonic decays and | V u b / V c b |. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.114509.
Monahan, Christopher J., Bouchard, Chris M., Lepage, G. Peter, Na, Heechang, Shigemitsu, Junko, & HPQCD Collaboration. Form factor ratios for B s → K ℓ ν and B s → D s ℓ ν semileptonic decays and | V u b / V c b |. United States. https://doi.org/10.1103/PhysRevD.98.114509
Monahan, Christopher J., Bouchard, Chris M., Lepage, G. Peter, Na, Heechang, Shigemitsu, Junko, and HPQCD Collaboration. Wed .
"Form factor ratios for B s → K ℓ ν and B s → D s ℓ ν semileptonic decays and | V u b / V c b |". United States. https://doi.org/10.1103/PhysRevD.98.114509.
@article{osti_1488365,
title = {Form factor ratios for B s → K ℓ ν and B s → D s ℓ ν semileptonic decays and | V u b / V c b |},
author = {Monahan, Christopher J. and Bouchard, Chris M. and Lepage, G. Peter and Na, Heechang and Shigemitsu, Junko and HPQCD Collaboration},
abstractNote = {We present a lattice quantum chromodynamics determination of the ratio of the scalar and vector form factors for two semileptonic decays of the B s meson: $B_s$ → $Kℓν$ and $B_s$ → $D_sℓν$. In conjunction with future experimental data, our results for these correlated form factors will provide a new method to extract $|V_{ub}/V_{cb}|$, which may elucidate the current tension between exclusive and inclusive determinations of these Cabibbo-Kobayashi-Maskawa mixing matrix parameters. In addition to the form factor results, we determine the ratio of the differential decay rates, and forward-backward and polarization asymmetries, for the two decays.},
doi = {10.1103/PhysRevD.98.114509},
journal = {Physical Review. D.},
number = 11,
volume = 98,
place = {United States},
year = {Wed Dec 19 00:00:00 EST 2018},
month = {Wed Dec 19 00:00:00 EST 2018}
}
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https://doi.org/10.1103/PhysRevD.98.114509
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Cited by: 13 works
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