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We present a study of the polarization observables of the $W$ and $Z$ bosons in the process $p p \to W^\pm Z\to e^\pm \nu_e \mu^+\mu^-$ at the 13 TeV Large Hadron Collider. The calculation is performed at next-to-leading order, including…

High Energy Physics - Phenomenology · Physics 2020-04-13 Julien Baglio , Le Duc Ninh

We evaluate the sensitivity of the Large Hadron Collider (LHC) to charged heavy vector boson production followed by their decays to $W^\pm Z^0$. We include the correlated decays of the gauge bosons to leptonic final states. With an…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dal Soo Oh , M. H. Reno

In this short review we discuss two implementations of the charged Higgs boson production process in association with a top quark in Monte Carlo event generators at next-to-leading order in QCD. We introduce the MC@NLO and the POWHEG method…

High Energy Physics - Phenomenology · Physics 2014-12-19 K. Kovarik

Quantum entanglement of weak interaction gauge bosons produced at colliders can be explored by computing the corresponding polarization density matrix. To this end, we consider the Higgs boson decays $H\to W W^*$ and $H\to Z Z^*$, in which…

High Energy Physics - Phenomenology · Physics 2023-09-19 M. Fabbrichesi , R. Floreanini , E. Gabrielli , L. Marzola

In this contribution we review recent progress with fixed-order QCD predictions for the production of a vector boson in association with jets at hadron colliders, using the programs BlackHat and SHERPA. We review general features of…

High Energy Physics - Phenomenology · Physics 2012-10-26 Zvi Bern , Kemal Ozeren , Lance J. Dixon , Stefan Hoeche , Fernando Febres Cordero , Harald Ita , David Kosower , Daniel Maître

We study the process of single-top production in association with a charged Higgs boson at the LHC and discuss how top-quark polarization and an azimuthal asymmetry $A_\varphi$ of the charged lepton from top decay can be used in some…

High Energy Physics - Phenomenology · Physics 2015-06-16 Saurabh D. Rindani , Rui Santos , Pankaj Sharma

As an essential attribute of organic compounds, polarity has a profound influence on many molecular properties such as solubility and phase transition temperature. Thin layer chromatography (TLC) represents a commonly used technique for…

Exclusive production of transversely polarized heavy vector mesons in deep inelastic scattering at high energy is calculated at next-to-leading order accuracy in the Color Glass Condensate framework. In addition to the first QCD correction…

High Energy Physics - Phenomenology · Physics 2022-09-12 Heikki Mäntysaari , Jani Penttala

We reexamine the improved effective vector boson approximation which is based on two-vector-boson luminosities $\mathrm{\mathbf{L}}_{\rm pol}$ for the computation of weak gauge-boson hard scattering subprocesses $V_1 V_2\to {\cal W}$ in…

High Energy Physics - Phenomenology · Physics 2016-04-06 Werner Bernreuther , Long Chen

The future Large Hadron electron Collider (LHeC) would allow collisions of an intense electron beam with protons or heavy ions at the High Luminosity-Large Hadron Collider (HL-LHC). Owing to a center of mass energy greater than a TeV and…

High Energy Physics - Phenomenology · Physics 2022-10-19 Subhasish Behera , Bernard Brickwedde , Matthias Schott

Vector boson scattering is (together with the production of multiple electroweak gauge bosons) the key process in the current run 2 of LHC to probe the microscopic nature of electroweak symmetry breaking. Deviations from the Standard Model…

High Energy Physics - Phenomenology · Physics 2016-11-23 J. Reuter , W. Kilian , T. Ohl , M. Sekulla

We put forward a method to tune the polarisation state of decaying heavy particles (top quarks and $W/Z$ bosons) in a pre-existing Monte Carlo sample. With this technique, dubbed as `custom angle replacement', the decay angular…

High Energy Physics - Phenomenology · Physics 2022-12-21 J. A. Aguilar-Saavedra

Longitudinal vector boson scattering provides an important probe of electroweak symmetry breaking, bringing sensitivity to physics beyond the Standard Model as well as constraining properties of the Higgs boson. It is a difficult process to…

High Energy Physics - Experiment · Physics 2021-11-12 Jennifer Roloff , Viviana Cavaliere , Marc-André Pleier , Lailin Xu

In most of the models beyond the Standard Model, the top quark is expected to be polarized when produced in the decay of some heavier particle, like the gluino or the stop. The polarization is constructed, in an experiment or in…

High Energy Physics - Phenomenology · Physics 2017-04-26 Arunprasath V. , Rohini M. Godbole , Ritesh K. Singh

We calculate the ${\cal O}(\alpha_s)$ radiative corrections to the spin dependent differential decay rates of the process $t\rightarrow b+W^+$. These are needed to study the angular distribution of the energy of hadrons produced in…

High Energy Physics - Phenomenology · Physics 2016-06-14 S. Mohammad Moosavi Nejad , Mahboobe Balali

We study the production of transversely polarized Lambda hyperons in high-energy collisions of protons with large nuclei. The large gluon density of the target at saturation provides an intrinsic semi-hard scale which should naturally allow…

High Energy Physics - Phenomenology · Physics 2009-11-07 Daniel Boer , Adrian Dumitru

The recent data on the polarization of vector meson at LEP show that the vector mesons favor the helicity zero state. We calculate the helicity density matrix of vector meson which contains a polarized fragmenting quark by adding the spin…

High Energy Physics - Phenomenology · Physics 2009-11-07 Xu Qing-hua , Liu Chun-xiu , Liang Zuo-tang

Vector boson scattering (VBS) plays a central role in the search for new physics at collider experiments such as ATLAS and CMS at the LHC. Usually predictions for this kind of process are obtained using mainly perturbative approaches in…

High Energy Physics - Lattice · Physics 2022-11-14 Bernd Riederer , Axel Maas

We introduce COLOSS, a program designed to address the scattering problem using a bound-state technique known as complex scaling. In this method, the oscillatory boundary conditions of the wave function are transformed into exponentially…

Computational Physics · Physics 2024-07-24 Junzhe Liu , Jin Lei , Zhongzhou Ren

After the recent discovery of a Standard Model Higgs boson-like particle at the LHC, the question of its couplings to known and unknown matter is eminent. In this letter, we present a method that allows for an enhancement in…

High Energy Physics - Phenomenology · Physics 2013-05-30 Jeppe R. Andersen , Christoph Englert , Michael Spannowsky
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