{"title":"Searching for resonant flavor-changing charged Higgs production at the LHC","authors":"Wei-Shu Hou, Mohamed Krab","doi":"10.1103/physrevd.111.l031701","DOIUrl":null,"url":null,"abstract":"We suggest a resonant c</a:mi>b</a:mi>¯</a:mo></a:mover>→</a:mo>H</a:mi>+</a:mo></a:msup></a:math> production search, followed by bosonic <f:math xmlns:f=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><f:msup><f:mi>H</f:mi><f:mo>+</f:mo></f:msup><f:mo stretchy=\"false\">→</f:mo><f:msup><f:mi>W</f:mi><f:mo>+</f:mo></f:msup><f:mi>H</f:mi></f:math> weak decay at the Large Hadron Collider (LHC). In the general two-Higgs-doublet model (G2HDM) that has flavor-changing neutral Higgs couplings, <i:math xmlns:i=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><i:msup><i:mi>H</i:mi><i:mo>+</i:mo></i:msup></i:math> is resonantly produced via the top-charm <k:math xmlns:k=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><k:msub><k:mi>ρ</k:mi><k:mrow><k:mi>t</k:mi><k:mi>c</k:mi></k:mrow></k:msub><k:msub><k:mi>V</k:mi><k:mrow><k:mi>t</k:mi><k:mi>b</k:mi></k:mrow></k:msub></k:math> coupling at tree level, while <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><m:msup><m:mi>H</m:mi><m:mo>+</m:mo></m:msup><m:mo stretchy=\"false\">→</m:mo><m:msup><m:mi>W</m:mi><m:mo>+</m:mo></m:msup><m:mi>H</m:mi></m:math> weak decay occurs within the exotic second doublet, leading eventually to same-sign dilepton signals. We perform a signal-to-background analysis at the 14 TeV LHC and show that discovery seems possible with LHC Run 2 data already at hand. <jats:supplementary-material> <jats:copyright-statement>Published by the American Physical Society</jats:copyright-statement> <jats:copyright-year>2025</jats:copyright-year> </jats:permissions> </jats:supplementary-material>","PeriodicalId":20167,"journal":{"name":"Physical Review D","volume":"16 1","pages":""},"PeriodicalIF":5.3000,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physical Review D","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1103/physrevd.111.l031701","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Physics and Astronomy","Score":null,"Total":0}
引用次数: 0
Abstract
We suggest a resonant cb¯→H+ production search, followed by bosonic H+→W+H weak decay at the Large Hadron Collider (LHC). In the general two-Higgs-doublet model (G2HDM) that has flavor-changing neutral Higgs couplings, H+ is resonantly produced via the top-charm ρtcVtb coupling at tree level, while H+→W+H weak decay occurs within the exotic second doublet, leading eventually to same-sign dilepton signals. We perform a signal-to-background analysis at the 14 TeV LHC and show that discovery seems possible with LHC Run 2 data already at hand. Published by the American Physical Society2025
我们建议在大型强子对撞机（LHC）上进行共振cb¯→H+产生搜索，然后进行玻色子H+→W+H弱衰变。在具有改变风味的中性希格斯耦合的一般双希格斯双重态模型（G2HDM）中，H+通过树级的顶粲ρtcVtb耦合共振产生，而H+→W+H弱衰变发生在奇异的第二双重态中，最终导致同号双轻子信号。我们在14 TeV的大型强子对撞机上进行了信号-背景分析，并表明利用LHC Run 2手头的数据似乎有可能发现。2025年由美国物理学会出版
期刊介绍：
Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics.
PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including:
Particle physics experiments,
Electroweak interactions,
Strong interactions,
Lattice field theories, lattice QCD,
Beyond the standard model physics,
Phenomenological aspects of field theory, general methods,
Gravity, cosmology, cosmic rays,
Astrophysics and astroparticle physics,
General relativity,
Formal aspects of field theory, field theory in curved space,
String theory, quantum gravity, gauge/gravity duality.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
