Testing quark mixing in minimal left-right symmetric models with b-tags at the LHC

Andrew Fowlie; Luca Marzola

doi:10.1016/j.nuclphysb.2014.10.009

Testing quark mixing in minimal left-right symmetric models with b-tags at the LHC

Andrew Fowlie^*, Luca Marzola

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Motivated by a hint in a CMS search for right-handed W-bosons in eejj final states, we propose an experimental test of quark-mixing matrices in a general left-right symmetric model, based on counting the numbers of b-tags from right-handed W-boson hadronic decays. We find that, with our test, differences between left- and right-handed quark-mixing matrices could be detected at the LHC with s=14 TeV. With an integrated luminosity of about 20/fb, our test is sensitive to right-handed quark-mixing angles as small as about 30° and with 3000/fb, our test's sensitivity improves to right-handed mixing angles as small as about 7.5°. Our test's sensitivity might be further enhanced by tuning b-tagging efficiency against purity.

Original language	English
Pages (from-to)	36-45
Number of pages	10
Journal	Nuclear Physics B
Volume	889
DOIs	https://doi.org/10.1016/j.nuclphysb.2014.10.009
Publication status	Published - 1 Dec 2014
Externally published	Yes

Access to Document

10.1016/j.nuclphysb.2014.10.009

Cite this

@article{f5c9dfa4195d414a8057879c97cca0f9,

title = "Testing quark mixing in minimal left-right symmetric models with b-tags at the LHC",

abstract = "Motivated by a hint in a CMS search for right-handed W-bosons in eejj final states, we propose an experimental test of quark-mixing matrices in a general left-right symmetric model, based on counting the numbers of b-tags from right-handed W-boson hadronic decays. We find that, with our test, differences between left- and right-handed quark-mixing matrices could be detected at the LHC with s=14 TeV. With an integrated luminosity of about 20/fb, our test is sensitive to right-handed quark-mixing angles as small as about 30° and with 3000/fb, our test's sensitivity improves to right-handed mixing angles as small as about 7.5°. Our test's sensitivity might be further enhanced by tuning b-tagging efficiency against purity.",

author = "Andrew Fowlie and Luca Marzola",

note = "Publisher Copyright: {\textcopyright} 2014 The Authors.",

year = "2014",

month = dec,

day = "1",

doi = "10.1016/j.nuclphysb.2014.10.009",

language = "English",

volume = "889",

pages = "36--45",

journal = "Nuclear Physics B",

issn = "0550-3213",

}

TY - JOUR

T1 - Testing quark mixing in minimal left-right symmetric models with b-tags at the LHC

AU - Fowlie, Andrew

AU - Marzola, Luca

PY - 2014/12/1

Y1 - 2014/12/1

N2 - Motivated by a hint in a CMS search for right-handed W-bosons in eejj final states, we propose an experimental test of quark-mixing matrices in a general left-right symmetric model, based on counting the numbers of b-tags from right-handed W-boson hadronic decays. We find that, with our test, differences between left- and right-handed quark-mixing matrices could be detected at the LHC with s=14 TeV. With an integrated luminosity of about 20/fb, our test is sensitive to right-handed quark-mixing angles as small as about 30° and with 3000/fb, our test's sensitivity improves to right-handed mixing angles as small as about 7.5°. Our test's sensitivity might be further enhanced by tuning b-tagging efficiency against purity.

AB - Motivated by a hint in a CMS search for right-handed W-bosons in eejj final states, we propose an experimental test of quark-mixing matrices in a general left-right symmetric model, based on counting the numbers of b-tags from right-handed W-boson hadronic decays. We find that, with our test, differences between left- and right-handed quark-mixing matrices could be detected at the LHC with s=14 TeV. With an integrated luminosity of about 20/fb, our test is sensitive to right-handed quark-mixing angles as small as about 30° and with 3000/fb, our test's sensitivity improves to right-handed mixing angles as small as about 7.5°. Our test's sensitivity might be further enhanced by tuning b-tagging efficiency against purity.

UR - https://www.scopus.com/pages/publications/84908348625

U2 - 10.1016/j.nuclphysb.2014.10.009

DO - 10.1016/j.nuclphysb.2014.10.009

M3 - Article

AN - SCOPUS:84908348625

SN - 0550-3213

VL - 889

SP - 36

EP - 45

JO - Nuclear Physics B

JF - Nuclear Physics B

ER -

Testing quark mixing in minimal left-right symmetric models with b-tags at the LHC

Abstract

Access to Document

Other files and links

Fingerprint

Cite this