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Related papers: Electroweak radiative corrections to $e^+e^- \to t…

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We present numerical results on the recently completed $O(\alpha^2)$ initial state corrections to the process $e^+e^- \rightarrow \gamma^*/Z^*$, which is a central process at past and future high energy and high luminsoity colliders for…

High Energy Physics - Phenomenology · Physics 2020-01-08 J. Blümlein , A. De Freitas , C. G. Raab , K. Schönwald

We apply the leading and sub-leading electroweak (EW) corrections to the Drell-Yan process of the neutralino pair production at proton-proton collision, in order to calculate the effects of the these corrections on the neutralino pair…

High Energy Physics - Phenomenology · Physics 2013-07-16 A. I. Ahmadov , M. Demirci

We compute the 3-loop O(\alpha \alpha_s) correction to the Higgs boson production cross section arising from light quarks using an effective theory approach. Our calculation probes the factorization of QCD and electroweak perturbative…

High Energy Physics - Phenomenology · Physics 2010-01-15 Charalampos Anastasiou , Radja Boughezal , Frank Petriello

The impact of higher-order final-state photonic corrections on the precise determination of the W-boson mass at the Tevatron and LHC colliders is evaluated. In the presence of realistic selection criteria, the shift in the W mass from a fit…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. M. Carloni Calame , G. Montagna , O. Nicrosini , M. Treccani

We calculate the electroweak and finite width corrections to the decay of an unpolarized top quark into a bottom quark and a $ W $-gauge boson where the helicities of the $ W $ are specified as longitudinal, transverse-plus and…

High Energy Physics - Phenomenology · Physics 2011-03-23 H. S. Do , S. Groote , J. G. Körner , M. C. Mauser

The LHC is exploring electroweak (EW) physics at the scale EW symmetry is broken. As the LHC and new high energy colliders push our understanding of the Standard Model to ever-higher energies, it will be possible to probe not only the…

High Energy Physics - Phenomenology · Physics 2021-03-31 Li Huang , Samuel D. Lane , Ian M. Lewis , Zhen Liu

We present the first calculation of the full next-to-leading-order electroweak and QCD corrections for vector-boson scattering (VBS) into a pair of Z bosons at the LHC. We consider specifically the process ${\rm pp\to…

High Energy Physics - Phenomenology · Physics 2020-12-07 Ansgar Denner , Robert Franken , Mathieu Pellen , Timo Schmidt

Using the automatic system GRACE-LOOP, the full $O(\alpha)$ electroweak corrections has been calculated for the process $e^+e^- \to W^+\mu \bar{\nu}_{\mu}$. The total correction to the cross section is found to be typically -6.4% at…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Fujimoto , T. Ishikawa , Y. Kurihara , Y. Shimizu , K. Kato , N. Nakazawa , T. Kaneko

We determine the O(\alpha_s) radiative corrections to polarized top quark pair production in e+ e- -annihilations with a specified gluon energy cut. We write down fully analytical results for the unpolarized and polarized O(\alpha_s) cross…

High Energy Physics - Phenomenology · Physics 2009-08-05 S. Groote , J. G. Körner

In the event that the Higgs mass is large or that the electroweak interactions are strongly interacting at high energy, top quark couplings to longitudinal components of the weak gauge bosons could offer important clues to the underlying…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stephen Godfrey , Shou-hua Zhu

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…

High Energy Physics - Phenomenology · Physics 2019-01-30 Wen Chen , Feng Feng , Yu Jia , Wen-Long Sang

We describe a calculation of the O(alpha_s^2) QCD corrections to the fully differential cross section for W and Z boson production in hadronic collisions. The result is fully realistic in that it includes spin correlations, finite width…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kirill Melnikov , Frank Petriello

We present the next-to-leading order (NLO) electroweak (EW) corrections to the top quark pair production associated with a hard photon at the current and future hadron colliders. The dependence of the leading order (LO) and NLO EW corrected…

High Energy Physics - Phenomenology · Physics 2017-01-17 Peng-Fei Duan , Yu Zhang , Yong Wang , Mao Song , Gang Li

We have examined the electroweak radiative corrections in the LEP precision data in view of the new measurements of $M_W$ and $m_t$ as well as the recent progress in the higher order radiative corrections. From the minimal $\chi^2$-fit to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kyungsik Kang , Sin Kyu Kang

At energies much larger than the mass of the weak gauge bosons, electroweak radiative corrections can lead to significant corrections. At 1 TeV the one loop corrections can be of ${\cal O} (20 %)$ due to large contributions of the Sudakov…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michael Melles

We compute the electroweak ${\cal O}(\alpha^3\alpha_s)$ corrections to three-jet production and related event-shape observables at electron-positron colliders. We properly account for the experimental photon isolation criteria and for the…

High Energy Physics - Phenomenology · Physics 2009-09-28 Ansgar Denner , Stefan Dittmaier , Thomas Gehrmann , Christian Kurz

We calculate the squarks one-loop corrections to the cross sections of the chared Higgs boson pair production in photon-photon collisions in the minimal supersymmetric extension of standard model(MSSM). In general, in case of the large…

High Energy Physics - Phenomenology · Physics 2009-10-30 Shou Hua Zhu , Chong Sheng Li , Chong Shou Gao

The energy calibration and resolution of the electromagnetic calorimeter (ECAL) of the CMS detector have been determined using proton-proton collision data from LHC operation in 2010 and 2011 at a centre-of-mass energy of sqrt(s)=7 TeV with…

High Energy Physics - Experiment · Physics 2013-10-07 CMS Collaboration

The $O(\alpha_{s})$ corrections to the cross section for $b \bar b \to W^{\pm}H^{\mp}$ at the LHC are calculated in the minimal supersymmetric standard model (MSSM) in the $\bar{MS}$ and OS (on-mass-shell) renormalization schemes. The…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wolfgang Hollik , Shou-hua Zhu

We consider for the first time the leading large top mass corrections, arising at higher order in electroweak interactions, to the rare decays $K\to\pi\nu\bar\nu$ and the related modes $B\to X_s\nu\bar\nu$ and $B\to l^+l^-$. Higher order…

High Energy Physics - Phenomenology · Physics 2009-10-09 Gerhard Buchalla , Andrzej J. Buras