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We present next-to-leading order QCD corrections to production of two $W$ bosons at the LHC in the Randall-Sundrum model. Various kinematical distributions are obtained to order $\alpha_s$ in QCD by taking into account all the parton level…

High Energy Physics - Phenomenology · Physics 2014-11-20 Neelima Agarwal , V. Ravindran , Vivek Kumar Tiwari , Anurag Tripathi

Electroweak (EW) triboson production processes with at least one heavy gauge boson are of increasing interest at the Large Hadron Collider (LHC) as direct precision probes of one of the least-tested sectors of the Standard Model (SM), the…

High Energy Physics - Phenomenology · Physics 2022-05-18 Huanfeng Cheng , Doreen Wackeroth

A next-to-leading order correction to the high-energy factorization limit of radiation spectrum from an ultrarelativistic electron scattering in an external field is evaluated. Generally, it does not express through scattering…

High Energy Physics - Phenomenology · Physics 2017-10-25 M. V. Bondarenco

Recently the next-to-next-to-leading order QCD corrections and the electroweak O(alpha) corrections to the Higgs-strahlung processes ppbar/pp -> WH/ZH + X have been calculated. Both types of corrections are of the order of 5-10%. In this…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Brein , M. Ciccolini , S. Dittmaier , A. Djouadi , R. Harlander , M. Krämer

We calculated the next-to-leading order (NLO) QCD corrections to the cross sections for direct top quark productions induced by model--independent flavour changing neutral current couplings at hadron colliders. The NLO results increase the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jian Jun Liu , Chong Sheng Li , Li Lin Yang , Li Gang Jin

We calculate the complete ${\cal O}(\alpha_s)$ corrections to the quark decay $b\to ccs$ taking full account of the quark masses, but neglecting penguin contributions. For a c to the b quark mass ratio $m_c/m_b= 0.3$ and a strange quark…

High Energy Physics - Phenomenology · Physics 2016-09-01 E. Bagan , Patricia Ball , B. Fiol , P. Gosdzinsky

The first calculation of the next-to-leading-order electroweak corrections to Z-boson + jet hadroproduction including leptonic Z-boson decays is presented, i.e. to the production of a charged lepton--anti-lepton final state in association…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

The process of a light neutral vector meson electroproduction is studied in the framework of QCD factorization in which the amplitude factorizes in a convolution of the nonperturbative meson distribution amplitude and the generalized parton…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Yu. Ivanov , L. Szymanowski

We determine dominant next-to-next-to-leading order QCD corrections to single-inclusive jet production at the LHC and Tevatron, using the established threshold resummation framework. In contrast to previous literature on this topic, our…

High Energy Physics - Phenomenology · Physics 2015-06-17 Daniel de Florian , Patriz Hinderer , Asmita Mukherjee , Felix Ringer , Werner Vogelsang

We compute the next-to-leading order QCD corrections to the ``direct'' part of the spin-dependent cross section for hadron-pair photoproduction. The calculation is performed using largely analytical methods. We present a brief…

High Energy Physics - Phenomenology · Physics 2008-11-26 Christof Hendlmeier , Andreas Schafer , Marco Stratmann

We present a fully differential next-to-next-to-leading order calculation of t-channel single top-quark production and decay at the LHC under narrow-width approximation and neglecting cross-talk between incoming protons. We focus on the…

High Energy Physics - Phenomenology · Physics 2016-11-01 Edmond L. Berger , Jun Gao , C. -P. Yuan , Hua Xing Zhu

In this article, we investigate the next-to-leading order contribution of the higher-twist Feynman diagrams to the large-$p_T$ inclusive pion production cross section in proton-proton collisions and present the general formulae for the…

High Energy Physics - Phenomenology · Physics 2011-06-13 A. I. Ahmadov , R. M. Burjaliyev

We consider the next-to-leading order (NLO) calculation of single inclusive particle production at forward rapidities in proton-nucleus collisions and in the framework of the Color Glass Condensate (CGC). We focus on the quark channel and…

High Energy Physics - Phenomenology · Physics 2018-12-05 D. N. Triantafyllopoulos

We present a state-of-the-art calculation of the next-to-leading-order electroweak corrections to ZZ production, including the leptonic decays of the Z bosons into $\mu^+\mu^-\mathrm{e}^+\mathrm{e}^-$ or $\mu^+\mu^-\mu^+\mu^-$ final states.…

High Energy Physics - Phenomenology · Physics 2017-02-01 Benedikt Biedermann , Ansgar Denner , Stefan Dittmaier , Lars Hofer , Barbara Jager

We present a next-to-leading order QCD calculation of the cross section for isolated large-p_T prompt photon production in collisions of transversely polarized protons. We devise a simple method of dealing with the phase space integrals in…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Mukherjee , M. Stratmann , W. Vogelsang

In this work we investigate the effects of the littlest Higgs model (LHM) up to the QCD next-to-leading order (NLO) on the $Z^0H^0$ associated production at the CERN Large Hadron Collider (LHC). We study the dependences of the leading order…

High Energy Physics - Phenomenology · Physics 2012-08-22 Zhang Shi-Ming , Zhang Ren-You , Ma Wen-Gan , Guo Lei

We calculate the next-to-leading-order (NLO) QCD corrections to $e^+e^-\to J/\psi g g$ via color singlet $J/\psi(^3{-0.8mm}S_1)$ at the B factories. The result shows that the cross section is enhanced to $0.373\pb$ by a K factor (NLO/LO) of…

High Energy Physics - Phenomenology · Physics 2009-06-16 Bin Gong , Jian-Xiong Wang

The complete next-to-next-to-leading order (i.e. $O(v^2)$, $O(v \alpha_s)$ and $O(\alpha_s^2)$) relativistic corrections to the total photon mediated $t\bar t$ production cross section at threshold are presented in the framework of…

High Energy Physics - Phenomenology · Physics 2016-08-25 A. H. Hoang , T. Teubner

We present results on NLO electroweak (EW) corrections to multiple massive boson production processes at a future muon collider. Inclusive cross sections with $\mathcal{O}(\alpha)$ corrections for processes for up to four bosons in the…

High Energy Physics - Phenomenology · Physics 2023-01-18 Pia Bredt , Wolfgang Kilian , Jürgen Reuter , Pascal Stienemeier

Apart from the well-known NNLO QCD and NLO electroweak corrections to W- and Z-boson production at hadron colliders, the most important fixed-order corrections are given by the mixed QCD-electroweak corrections of…

High Energy Physics - Phenomenology · Physics 2016-01-12 Stefan Dittmaier , Alexander Huss , Christian Schwinn