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We calculate the fiducial and differential $W^{\pm}/Z^0+jet(s)$ production cross-sections in the presence of electroweak (EW) corrections through virtual loop contributions to the matrix elements (MEs) of the processes and real partonic…

High Energy Physics - Phenomenology · Physics 2022-11-29 Neda Darvishi , M. R. Masouminia

We discuss and illustrate the properties of several parton-shower algorithms available in Pythia and Vincia, in the context of Higgs production via vector boson fusion (VBF). In particular, the distinctive colour topology of VBF processes…

High Energy Physics - Phenomenology · Physics 2021-10-14 Stefan Höche , Stephen Mrenna , Shay Payne , Christian T Preuss , Peter Skands

If large-angle multigluon radiation contributes significantly to parton showers associated with heavy boson production at the LHC, appropriate parton branching methods are required for realistic Monte Carlo simulations of final states. We…

High Energy Physics - Phenomenology · Physics 2010-06-29 M. Deak , A. Grebenyuk , F. Hautmann , H. Jung , K. Kutak

We have developed a sophisticated model of the radio emission from extensive air showers in the scheme of coherent geosynchrotron radiation, providing a theoretical foundation for the interpretation of experimental data from current and…

Astrophysics · Physics 2011-04-12 Tim Huege , Heino Falcke

The radio detection of very inclined air showers offers a promising avenue for studying ultra-high-energy cosmic rays (UHECRs) and neutrinos. Accurate reconstruction methods are essential for investigating the properties of primary…

Instrumentation and Methods for Astrophysics · Physics 2025-07-24 Kewen Zhang , Duan Kaikai , Ramesh Koirala , Matías Tueros , Chao Zhang , Yi Zhang

A simulation study of the energy released by extensive air showers in the form of MHz radiation is performed using the CoREAS simulation code. We develop an efficient method to extract this radiation energy from air-shower simulations. We…

High Energy Astrophysical Phenomena · Physics 2017-03-20 Christian Glaser , Martin Erdmann , Jörg R. Hörandel , Tim Huege , Johannes Schulz

We present a systematic investigation of parton-shower and matching perturbative uncertainties for Higgs-boson production via vector-boson fusion. To this end we employ different generators at next-to-leading order QCD accuracy matched with…

High Energy Physics - Phenomenology · Physics 2020-08-21 Barbara Jäger , Alexander Karlberg , Simon Plätzer , Johannes Scheller , Marco Zaro

The apparent absence of new heavy states at the LHC below the TeV scale points that there is a gap in the electroweak energy spectrum. This scenario is conveniently described through the electroweak effective theory, an effective…

High Energy Physics - Phenomenology · Physics 2018-07-03 Joaquín Santos

Accurate reconstruction of the electric field produced by Extensive Air Showers from the signals recorded by the antennas is essential for the radio detection technique, as the key parameters needed to retrieve information about the primary…

Instrumentation and Methods for Astrophysics · Physics 2025-06-03 Kewen Zhang , Tim Huege , Ramesh Koirala , Pengxiong Ma , Matías Tueros , Xin Xu , Chao Zhang , Pengfei Zhang , Yi Zhang

The use of QCD calculations that include the resummation of soft-collinear logarithms via parton-shower algorithms is currently not possible in PDF fits due to the high computational cost of evaluating observables for each variation of the…

High Energy Physics - Phenomenology · Physics 2019-01-30 Enrico Bothmann , Luigi Del Debbio

We present an implementation of a parton shower algorithm for hadron colliders and electron-positron colliders based on the dipole factorisation formulae. The algorithm treats initial-state partons on equal footing with final-state partons.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Dinsdale , Marko Ternick , Stefan Weinzierl

We investigate the phenomenology of a dark QCD sector interacting with the Standard Model (SM) via the electroweak (EW) portals. The portal interactions allow SM bosons, such as $Z$ and $h$, or additional bosons that mix with them, to decay…

High Energy Physics - Phenomenology · Physics 2025-03-25 Hsin-Chia Cheng , Xu-Hui Jiang , Lingfeng Li

An alternative calculation of the lowest order electroweak radiative corrections to the single W-boson production in hadron-hadron collision in the framework of the quark parton model without any absorption of the collinear quark…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Akushevich , A. Ilyichev , N. Shumeiko , V. Zykunov

The O(\alpha) electroweak radiative corrections to the process pp, ppbar\to W \to\ell^\pm\nu (\ell=e,\mu) are calculated. The O(\alpha) corrections can be decomposed into separately gauge invariant contributions to the W boson production…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , S. Keller , D. Wackeroth

In hard interactions between external particles incident on a heat-bath, we show that large logarithms are generated when a radiated or absorbed gauge boson is collinear with the initial fermion momentum. These logarithms can be absorbed…

High Energy Physics - Phenomenology · Physics 2007-05-23 Saumen Datta , Sourendu Gupta , V. Ravindran

We present time-domain Monte Carlo simulations of radio emission from cosmic ray air showers in the scheme of coherent geosynchrotron radiation. Our model takes into account the important air shower characteristics such as the lateral and…

Astrophysics · Physics 2009-11-10 Tim Huege , Heino Falcke

We present an update of an existing implementation of $WZjj$ production via vector-boson scattering in the framework of the POWHEG BOX program. In particular, previously unavailable semi-leptonic and fully hadronic decay modes of the…

High Energy Physics - Phenomenology · Physics 2024-06-14 Barbara Jäger , Alexander Karlberg , Simon Reinhardt

We extend the stochastic GW (sGW) formalism to fully spin-polarized systems, encompassing both collinear and non-collinear spin configurations. For non-collinear systems-where Kohn-Sham states are complex two-component spinors-we develop a…

Materials Science · Physics 2025-09-26 Xuance Jiang , Vojtech Vlcek

We perform a detailed analysis of next-to-leading order plus parton-shower matching in vector-boson-fusion WW production including leptonic decays. The study is performed in the Herwig 7 framework interfaced to VBFNLO 3, using the…

High Energy Physics - Phenomenology · Physics 2017-05-24 Michael Rauch , Simon Plätzer

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