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相关论文: Next-to-leading-order electroweak correction to $H…

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Recently, the ATLAS and CMS collaborations jointly announced the first evidence of the rare Higgs boson decay channel $H\to Z\gamma$, with a ratio of $2.2\pm 0.7$ times the leading order standard model (SM) prediction. In order to face this…

高能物理 - 唯象学 · 物理学 2024-09-04 Zi-Qiang Chen , Long-Bin Chen , Cong-Feng Qiao , Ruilin Zhu

We calculate the next-to-leading order (NLO) electroweak (EW) corrections to decay rates of charged Higgs bosons for various decay modes in the four types of two Higgs doublet models (THDMs) with the softly broken discrete Z_2 symmetry.…

高能物理 - 唯象学 · 物理学 2021-10-22 Masashi Aiko , Shinya Kanemura , Kodai Sakurai

The Higgs boson production associated with a $W$-boson and a photon at the Large Hadron Collider (LHC) can be used to probe the coupling between Higgs boson and vector gauge bosons and discover a signature of new physics. We present the…

高能物理 - 唯象学 · 物理学 2013-10-04 Song Mao , Wan Neng , Li Gang , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Zhou Ya-Jin , Guo Jian-You

We present the full next-to-leading order (NLO) supersymmetric (SUSY) electroweak and SUSY-QCD corrections to the decay widths of the charged Higgs boson decays into on-shell final states in the framework of the CP-conserving and…

高能物理 - 唯象学 · 物理学 2021-05-19 Thi Nhung Dao , Margarete Muhlleitner , Shruti Patel , Kodai Sakurai

The complex singlet extension CxSM of the Standard Model (SM) is a simple extension of the SM with two visible Higgs bosons in the spectrum and a Dark Matter (DM) candidate. In this paper we complete the computation of the next-to-leading…

高能物理 - 唯象学 · 物理学 2023-06-08 Felix Egle , Margarete Mühlleitner , Rui Santos , João Viana

Some of the most precise measurements of Higgs boson couplings are from the Higgs decays to 4 leptons, where deviations from the Standard Model predictions can be quantified in the framework of the Standard Model Effective Field Theory…

高能物理 - 唯象学 · 物理学 2025-01-30 Sally Dawson , Matthew Forslund , Pier Paolo Giardino

We present a calculation of the next-to-leading-order electroweak corrections to W+\gamma\ production, including the leptonic decay of the W boson and taking into account all off-shell effects of the W boson, where the finite width of the W…

高能物理 - 唯象学 · 物理学 2015-11-13 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

The associated production of Higgs boson with a hard photon at lepton collider, i.e., $e^+e^-\to H\gamma$, is known to bear a rather small cross section in Standard Model, and can serve as a sensitive probe for the potential new physics…

高能物理 - 唯象学 · 物理学 2017-11-22 Wen-Long Sang , Wen Chen , Feng Feng , Yu Jia , Qing-Feng Sun

Higgs boson production associated with a top quark pair is an important process in studying the nature of the newly discovered Higgs boson at the LHC. In this letter, we report on our calculations including the next-to-leading order (NLO)…

高能物理 - 唯象学 · 物理学 2014-09-24 Zhang Yu , Ma Wen-Gan , Zhang Ren-You , Chen Chong , Guo Lei

The production of WWZ at the LHC is an important process to test the quartic gauge couplings of the Standard Model as well as an important background for new physics searches. A good theoretical understanding at next-to-leading order (NLO)…

高能物理 - 唯象学 · 物理学 2013-07-30 Dao Thi Nhung , LE Duc Ninh , Marcus M. Weber

The next-to-leading-order electroweak corrections to $pp\to l^+l^-/\bar\nu\nu+\gamma+X$ production, including all off-shell effects of intermediate Z bosons in the complex-mass scheme, are calculated for LHC energies, revealing the…

高能物理 - 唯象学 · 物理学 2016-03-23 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

The prospective Higgs factories, exemplified by ILC, FCC-ee and CEPC, plan to conduct the precision Higgs measurements at the $e^+e^-$ center-of-mass energy around 250 GeV. The cross sections for the dominant Higgs production channel, the…

高能物理 - 唯象学 · 物理学 2017-09-13 Qing-Feng Sun , Feng Feng , Yu Jia , Wen-Long Sang

Triple-W-boson production in proton-proton collisions allows for a direct access to the triple and quartic gauge couplings and provides a window to the mechanism of electroweak symmetry breaking. It is an important process to test the…

高能物理 - 唯象学 · 物理学 2017-09-20 Stefan Dittmaier , Alexander Huss , Gernot Knippen

Precise predictions for Higgs decays are a crucial ingredient of the search for beyond the Standard Model (BSM) physics and the Standard Model Effective Field Theory (SMEFT) is a valuable tool for quantifying deviations from the Standard…

高能物理 - 唯象学 · 物理学 2026-01-14 Luigi Bellafronte , Sally Dawson , Clara Del Pio , Matthew Forslund , Pier Paolo Giardino

We review recent results on next-to-leading order (NLO) QCD and electroweak (EW) corrections for processes involving off-shell top quarks. For the off-shell production of two top quarks that decay leptonically, the full NLO EW corrections…

高能物理 - 唯象学 · 物理学 2017-11-27 Ansgar Denner , Jean-Nicolas Lang , Mathieu Pellen , Sandro Uccirati

We present the calculations of the next-to-leading order (NLO) QCD corrections to the inclusive total cross sections for the associated production of the $W^{\pm}H^{\mp}$ through $b\bar{b}$ annihilation in the Minimal Supersymmetric…

高能物理 - 唯象学 · 物理学 2008-11-26 Jun Gao , Chong Sheng Li , Zhao Li

The recent calculation of the next-to-leading order electroweak corrections to the decay of the Standard Model Higgs boson to two photons in the framework of the complex-mass scheme is briefly summarized.

高能物理 - 唯象学 · 物理学 2009-01-30 Stefano Actis

Complete electroweak two-loop corrections to the process $gg \to H$ are presented and discussed in a Standard Model with a fourth generation of heavy fermions. The latter is studied at the LHC to put exclusion limits on a fourth generation…

高能物理 - 唯象学 · 物理学 2015-05-30 Giampiero Passarino , Christian Sturm , Sandro Uccirati

The Higgs boson decay $h \to WW^* \to \ell^+ \nu_\ell \ell'^- \bar{\nu}_{\ell'}$ provides a unique window into the structure of the Higgs couplings to electroweak gauge bosons and has recently gained attention for its potential to unveil…

高能物理 - 唯象学 · 物理学 2025-12-02 Dorival Gonçalves , Ajay Kaladharan , Alberto Navarro

In this paper we calculate the next-to-leading order (NLO) QCD $[{\cal O}(\alpha_s \alpha^3)]$ and electroweak (EW) $[{\cal O}(\alpha^4)]$ corrections to the $WWW$ production at the LHC and deal with the subsequent leptonic decays from $W$…

高能物理 - 唯象学 · 物理学 2017-07-13 Shen Yong-Bai , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Guo Lei
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