The Library
Prospects for the determination of the top-quark Yukawa coupling at future ${e}^{+}{e}^{-}$ colliders
Tools
Boselli, Stefano, Hunter, Ross and Mitov, Alexander (2019) Prospects for the determination of the top-quark Yukawa coupling at future ${e}^{+}{e}^{-}$ colliders. Journal of Physics G: Nuclear and Particle Physics, 46 (9). 095005. doi:10.1088/1361-6471/ab2e5c ISSN 0954-3899.
|
PDF
WRAP-Prospects-determination-top-quark-Yukawa-colliders-Hunter-2019.pdf - Accepted Version - Requires a PDF viewer. Download (764Kb) | Preview |
Official URL: http://dx.doi.org/10.1088/1361-6471/ab2e5c
Abstract
We estimate the sensitivity to the top-quark Yukawa coupling yt at future ${e}^{+}{e}^{-}$ colliders. We go beyond the standard approach that focuses on $t\bar{t}h$ production and consider final states with a Higgs boson but not top quarks. The sensitivity to yt in such processes comes from the coupling of the Higgs boson to top quarks in loops. Such final states can be produced in significant numbers at center-of-mass energies that will be accessible by all proposed ${e}^{+}{e}^{-}$ colliders. In a simplified theoretical framework to parametrize deviations from the Standard Model, we find that at FCC-ee and CEPC operating at $\sqrt{s}=240\,\,\mathrm{GeV}$, yt could potentially be measured with precision better than 1%. For CLIC and ILC the extraction of yt could be improved by a factor of about 2 and 7, respectively, compared to its extraction from just $t\bar{t}h$ final states.
Item Type: | Journal Article | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alternative Title: | |||||||||||||
Subjects: | Q Science > QC Physics | ||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||
Library of Congress Subject Headings (LCSH): | Higgs bosons, Colliders (Nuclear physics) , Particles (Nuclear physics) -- Flavor, Quarks | ||||||||||||
Journal or Publication Title: | Journal of Physics G: Nuclear and Particle Physics | ||||||||||||
Publisher: | Institute of Physics Publishing Ltd. | ||||||||||||
ISSN: | 0954-3899 | ||||||||||||
Official Date: | September 2019 | ||||||||||||
Dates: |
|
||||||||||||
Volume: | 46 | ||||||||||||
Number: | 9 | ||||||||||||
Article Number: | 095005 | ||||||||||||
DOI: | 10.1088/1361-6471/ab2e5c | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Reuse Statement (publisher, data, author rights): | This is an author-created, un-copyedited version of an article accepted for publication in Journal of Physics G: Nuclear and Particle Physics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/1361-6471/ab2e5c | ||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
Date of first compliant deposit: | 13 August 2019 | ||||||||||||
Date of first compliant Open Access: | 9 August 2020 | ||||||||||||
RIOXX Funder/Project Grant: |
|
Request changes or add full text files to a record
Repository staff actions (login required)
View Item |
Downloads
Downloads per month over past year