Standard model EFT corrections to boson decays
Abstract
Here, we compute the one-loop corrections to Z decay properties from dimension-six operators in the Standard Model effective field theory (SMEFT) that contribute also to anomalous 3-gauge boson couplings and examine the relative sensitivity of the two processes to the anomalous couplings. The size of the contributions is of order a few percent, of the same size as Standard Model electroweak corrections. This is part of a program of computing electroweak quantities to one-loop in the SMEFT: these calculations are needed for a future global fit to limit the coefficients of the dimension-six Wilson coefficients consistently at one-loop.
- Authors:
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1481331
- Alternate Identifier(s):
- OSTI ID: 1482087
- Report Number(s):
- BNL-209433-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 093003
- Grant/Contract Number:
- SC0012704; SC0015634
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 9; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; SMEFT; SM; LHC; higgs; boson; decay; one-loop; vertices
Citation Formats
Dawson, Sally, and Ismail, Ahmed. Standard model EFT corrections to Z boson decays. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.093003.
Dawson, Sally, & Ismail, Ahmed. Standard model EFT corrections to Z boson decays. United States. https://doi.org/10.1103/PhysRevD.98.093003
Dawson, Sally, and Ismail, Ahmed. Thu .
"Standard model EFT corrections to Z boson decays". United States. https://doi.org/10.1103/PhysRevD.98.093003.
@article{osti_1481331,
title = {Standard model EFT corrections to Z boson decays},
author = {Dawson, Sally and Ismail, Ahmed},
abstractNote = {Here, we compute the one-loop corrections to Z decay properties from dimension-six operators in the Standard Model effective field theory (SMEFT) that contribute also to anomalous 3-gauge boson couplings and examine the relative sensitivity of the two processes to the anomalous couplings. The size of the contributions is of order a few percent, of the same size as Standard Model electroweak corrections. This is part of a program of computing electroweak quantities to one-loop in the SMEFT: these calculations are needed for a future global fit to limit the coefficients of the dimension-six Wilson coefficients consistently at one-loop.},
doi = {10.1103/PhysRevD.98.093003},
journal = {Physical Review D},
number = 9,
volume = 98,
place = {United States},
year = {Thu Nov 08 00:00:00 EST 2018},
month = {Thu Nov 08 00:00:00 EST 2018}
}
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https://doi.org/10.1103/PhysRevD.98.093003
https://doi.org/10.1103/PhysRevD.98.093003
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