Mixed electroweak-QCD corrections to $e^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}H$ at CEPC with finite-width effect

Abstract

The associated production of Higgs boson with a muon pair, $e^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}H$, is one of the golden channels to pin down the properties of the Higgs boson in the prospective Higgs factories exemplified by \textsf{CEPC}. The projected accuracy of the corresponding cross section measurement is about per cent level at CEPC. In this work, we investigate both $\mathcal{O}(\alpha )$ weak correction and the $\mathcal{O}(\alpha {\alpha }_s)$ mixed electroweak-QCD corrections for this channel, appropriately taking into account the effect of finite $Z^0$ width. The ${\mu }^{+}{\mu }^{-}$ invariant mass spectrum is also predicted. The mixed electroweak-QCD correction turns out to reach 1.5\% of the Born-order result, and thereby must be included in future confrontation with the data. We also observe that, after including higher-order corrections, the simplified prediction for the integrated cross section employing the narrow-width-approximation may deviate from our full result by a few per cents.

arXiv commentv2, 15 pages, 5 figures, 3 tables. Typos corrected, references added, the version to appear in Chinese Physics C

References in corpus (31)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• Automatized One-Loop Calculations in 4 and D dimensions
• Generating Feynman Diagrams and Amplitudes with FeynArts 3
• New Developments in FeynCalc 9.0
• WHIZARD: Simulating Multi-Particle Processes at LHC and ILC
• Collier: a fortran-based Complex One-Loop LIbrary in Extended Regularizations
• RunDec: a Mathematica package for running and decoupling of the strong coupling and quark masses
• First Look at the Physics Case of TLEP
• FIRE5: a C++ implementation of Feynman Integral REduction
• Predictions for all processes e^+e^- -> 4 fermions + gamma
• Physics with e^+e^- Linear Colliders
• FIESTA 4: optimized Feynman integral calculations with GPU support
• The complex-mass scheme for perturbative calculations with unstable particles
• GRACE at ONE-LOOP: Automatic calculation of 1-loop diagrams in the electroweak theory with gauge parameter independence checks
• $Apart: A Generalized Mathematica Apart Function
• Effective theory approach to unstable particle production
• The fermion-loop scheme for finite-width effects in e^+ e^- annihilation into four fermions
• Electroweak radiative corrections to e+ e- -> nu nubar H
• Full one-loop electroweak radiative corrections to single Higgs production in e+ e-
• $e^{+}{e}^{-}\to e^{-}{\bar{\nu }}_{e}u\bar{d}$ from LEP to linear collider energies
• Mixed electroweak-QCD corrections to $e^{+}{e}^{-}\to HZ$ at Higgs factory
• Mixed QCD-EW corrections for Higgs boson production at $e^{+}{e}^{-}$ colliders
• Electroweak radiative corrections to single Higgs-boson production in e+e- annihilation
• Physics cross sections and event generation of $e^{+}{e}^{-}$ annihilations at the CEPC
• Cross Section and Higgs Mass Measurement with Higgsstrahlung at the CEPC
• Behaviour of the Absorptive Part of the W Electromagnetic Vertex
• Full O(alpha) corrections to e+e- --> nu nu-bar H by GRACE
• Electroweak corrections to Higgs production through ZZ fusion at the linear collider
• Electroweak corrections to e+ e- -> f anti-f H
• Unstable-particle effective field theory

Cited by in corpus (11)

• Thrust distribution in Higgs decays at the next-to-leading order and beyond
• On the evaluation of two-loop electroweak box diagrams for $e^{+}{e}^{-}\to HZ$ production
• Two-Loop Electroweak Corrections with Fermion Loops to $e^{+}{e}^{-}\to ZH$
• Mixed QCD-EW corrections for Higgs leptonic decay via $H{W}^{+}{W}^{-}$ vertex
• Higgs boson decay into four bottom quarks in the SM and beyond
• Master integrals for $\mathcal{O}(\alpha {\alpha }_s)$ corrections to $H\to Z{Z}^{\ast }$
• Investigating Bottom-Quark Yukawa Interaction at Higgs Factory
• Production of Higgs boson in association with a pair of fermions in the presence of a circularly polarized laser field
• Categorization of two-loop Feynman diagrams in the $\mathcal{O}({\alpha }^2)$ correction to $e^{+}{e}^{-}\to ZH$
• Initial state radiation correction and its effect to data-taking scheme for ${\sigma }^{\mathrm{B}}(e^{+}{e}^{-}\to ZH)$ measurement
• Riding the Seesaw: What Higgsstrahlung May Reveal about Massive Neutrinos