Results 51 to 60 of about 654 (180)

Tri-boson and WH production in the W + W + jj channel: predictions at full NLO accuracy and beyond

Journal of High Energy Physics
In this work, we present the first full NLO predictions for the process pp → μ + ν μ e+ ν ejj at the LHC in a typical tri-boson phase space. The NLO corrections reach 50% at the level of the fiducial cross section and have a very different hierarchy with
Ansgar Denner, Mathieu Pellen, Marek Schönherr, Steffen Schumann   +3 more
doaj   +1 more source

Combining QCD and Electroweak Corrections to W-Boson Production at Hadron Colliders

, 2007
We review the present status of higher-order calculations for single W and Z boson production at hadron colliders, and present some preliminary results on the combination of electroweak and QCD corrections to a sample of observables of the process pp ...
Alessandro Vicini, Fulvio Piccinini, Michele Treccani, Carlo M. Carloni Calame, Giovanni Balossini, O. Nicrosini, Guido Montagna, Oreste Nicrosini, Mauro Moretti, TRECCANI, Michele, G. Montagna, C. M. Carloni Calame, MORETTI, Mauro, G. Balossini   +13 more
core   +1 more source

Visible GeV ALP from TeV Vector‐Like Leptons

Fortschritte der Physik, Volume 73, Issue 3, March 2025.
Abstract A model is presented where a GeV axion‐like‐particle (ALP) is predicted in a large portion of the parameter space due to the presence of explicit Peccei–Quinn (PQ) symmetry‐breaking terms in an exotic leptonic sector. The latter provides a solution to the muon g−2$g-2$ anomaly, within the framework of the Linear Seesaw neutrino mechanism.
Arturo de Giorgi, Marta Fuentes Zamoro, Luca Merlo   +2 more
wiley   +1 more source

Feynman integrals from positivity constraints

Journal of High Energy Physics, 2023
We explore inequality constraints as a new tool for numerically evaluating Feynman integrals. A convergent Feynman integral is non-negative if the integrand is non-negative in either loop momentum space or Feynman parameter space.
Mao Zeng
doaj   +1 more source

Infrared subtraction at next-to-next-to-leading order for gluonic initial states [PDF]

, 2010
In this thesis we describe a procedure for isolating the infrared singularities present in gluonic scattering amplitudes at next-to-leading and next-to-next-to-leading order.
Pires, Joao Nuno R G, PIRES, JOAO,NUNO,R,G   +1 more
core  

QCD corrections to electroweak processes in an unconventional scheme: application to the b→sγ decay

, 1994
In this work we give a detailed description of a method for the calculation of QCD corrections to electroweak processes in dimensional regularization that does not require any definition of the γ5 matrix in d dimensions.
VICERE', ANDREA, RICCIARDI, GIULIA, GIUSEPPE CURCI, G. CURCI, A. VICERE, GIULIA RICCIARDI, G. CELLA, GIANCARLO CELLA   +7 more
core   +1 more source

Studies of Parity Violation in Atoms

Annalen der Physik, Volume 537, Issue 2, February 2025.
This article provides an overview of atomic parity violation (APV), emphasizing its role in testing the Standard Model and probing new physics. The review discusses manifestations of APV, including nuclear‐spin‐independent and dependent effects, and explores isotopic comparison as a method for precision measurements.
Stefanos Nanos, Iraklis Papigkiotis, Dionysios Antypas   +2 more
wiley   +1 more source

NLO QCD and EW corrections to vector-boson scattering into W+W − at the LHC

Journal of High Energy Physics, 2022
We present the full next-to-leading-order electroweak and QCD corrections to vector-boson scattering into a pair of off-shell opposite-sign W bosons decaying into leptons of different flavour at the LHC.
Ansgar Denner, Robert Franken, Timo Schmidt, Christopher Schwan   +3 more
doaj   +1 more source

Notes on Characterizations of 2d Rational SCFTs: Algebraicity, Mirror Symmetry, and Complex Multiplication

Fortschritte der Physik, Volume 73, Issue 1-2, February 2025.
Abstract S. Gukov and C. Vafa proposed a characterization of rational N=(1,1)$N=(1,1)$ superconformal field theories (SCFTs) in 1+1$1+1$ dimensions with Ricci‐flat Kähler target spaces in terms of the Hodge structure of the target space, extending an earlier observation by G. Moore.
Abhiram Kidambi, Masaki Okada, Taizan Watari   +2 more
wiley   +1 more source

Parton shower matching for electroweak corrections

, 2017
The LHC (Large Hadron Collider) is a proton-proton collider that is used to advance our knowledge of fundamental physical laws. To test predictions of the Standard Model of particle physics, it is crucial to be able to simulate proton-proton collisions ...
Oymanns, Lennart
core   +1 more source