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Related papers: Slepton and Electroweakino pair production with aN…

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We present a calculation of slepton pair production at the LHC at next-to-next-to-leading logarithmic (NNLL) accuracy, matched to approximate next-to-next-to-leading order (aNNLO) QCD corrections. We collect the relevant analytical…

High Energy Physics - Phenomenology · Physics 2019-11-07 J. Fiaschi , M. Klasen , M. Sunder

Due to the greater experimental precision expected from the currently ongoing LHC Run 3, equally accurate theoretical predictions are essential. We update the documentation of the Resummino package, a program dedicated to precision cross…

High Energy Physics - Phenomenology · Physics 2023-08-09 J. Fiaschi , B. Fuks , M. Klasen , A. Neuwirth

We present a calculation of higgsino and gaugino pair production at the LHC at next-to-next-to-leading logarithmic (NNLL) accuracy, matched to approximate next-to-next-to-leading order (aNNLO) QCD corrections. We briefly review the…

High Energy Physics - Phenomenology · Physics 2020-11-25 J. Fiaschi , M. Klasen

We present updated results for the production cross sections of slepton pairs and neutralino-chargino pairs at the LHC with next-to-next-to logarithmic precision matched at approximate QCD next-to-next-to leading order. The explored range…

High Energy Physics - Phenomenology · Physics 2020-11-24 Juri Fiaschi , Michael Klasen

The search for electroweak superpartners has recently moved to the centre of interest at the LHC. We provide the currently most precise theoretical predictions for these particles, use them to assess the precision of parton shower…

High Energy Physics - Phenomenology · Physics 2014-07-31 B. Fuks , M. Klasen , D. R. Lamprea , M. Rothering

Motivated by the increased precision expected from LHC Run 3, equally accurate theory predictions are mandatory. As supersymmetry mass limits increase, predictions can be improved by threshold resummation. We examine the effects of…

High Energy Physics - Phenomenology · Physics 2022-05-17 Juri Fiaschi , Benjamin Fuks , Michael Klasen , Alexander Neuwirth

Motivated by the shift in experimental attention towards electroweak supersymmetric particle production at the CERN LHC, we update in this paper our precision predictions at next-to-leading order of perturbative QCD matched to resummation…

High Energy Physics - Phenomenology · Physics 2014-02-07 Benjamin Fuks , Michael Klasen , David R. Lamprea , Marcel Rothering

Many supersymmetry models feature gauginos and also sleptons with masses below a few hundred GeV. These can give rise to direct pair production rates at the LHC that can be observed in the data sample recorded by the ATLAS detector. The…

High Energy Physics - Experiment · Physics 2019-08-13 Federico Sforza

We examine for representative gaugino-higgsino mixing scenarios slepton-neutralino and slepton-chargino production in deep inelastic ep-scattering at $\sqrt{s}=1.8$ TeV. We find sneutrino-chargino production to be the dominant process with…

High Energy Physics - Phenomenology · Physics 2016-09-01 T. Woehrmann , H. Fraas

We perform a threshold resummation calculation for the associated production of squarks and electroweakinos at the LHC to the next-to-leading logarithmic (NLL) accuracy. Analytical results for the process-dependent soft anomalous dimension…

High Energy Physics - Phenomenology · Physics 2022-06-24 J. Fiaschi , B. Fuks , M. Klasen , A. Neuwirth

Using the data collected during Run I of LHC operation the CMS Collaboration performed multiple analyses searching for the direct electroweak production of supersymmetric particles in proton-proton collisions. Different decay modes of the…

High Energy Physics - Experiment · Physics 2014-09-15 Pieter Everaerts

We present predictions for the total cross sections for pair production of squarks and gluinos at the LHC including a combined NNLL resummation of soft and Coulomb gluon effects. The NNLL corrections can be up to 25% relative to previous…

High Energy Physics - Phenomenology · Physics 2013-12-04 Martin Beneke , Pietro Falgari , Jan Piclum , Christian Schwinn , Christopher Wever

We present a deep learning solution to the prediction of particle production cross sections over a complicated, high-dimensional parameter space. We demonstrate the applicability by providing state-of-the-art predictions for the production…

High Energy Physics - Phenomenology · Physics 2019-06-06 Sydney Otten , Krzysztof Rolbiecki , Sascha Caron , Jong-Soo Kim , Roberto Ruiz de Austri , Jamie Tattersall

We calculate cross sections and asymmetries for slepton pair production through neutral and charged electroweak currents in polarized hadron collisions for general slepton masses and including mixing of the left- and right-handed…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. Bozzi , B. Fuks , M. Klasen

Results are presented from a search for the electroweak production of supersymmetric particles in pp collisions in final states with two tau leptons. The data sample corresponds to an integrated luminosity between 18.1 inverse femtobarns…

High Energy Physics - Experiment · Physics 2017-04-11 CMS Collaboration

We present a first and extensive study of threshold resummation effects for supersymmetric (SUSY) particle production at hadron colliders, focusing on Drell-Yan like slepton-pair and slepton-sneutrino associated production. After confirming…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Bozzi , B. Fuks , M. Klasen

We determine the NNLO electroweak correction to the $e^+ e^-\to b\bar{b}W^+W^- X$ production cross section near the top-pair production threshold. The calculation includes non-resonant production of the final state as well as electroweak…

High Energy Physics - Phenomenology · Physics 2018-02-28 Martin Beneke , Andreas Maier , Thomas Rauh , Pedro Ruiz-Femenia

Novel PDFs taking into account resummation-improved matrix elements, albeit only in the fit of a reduced data set, allow for consistent NLO+NLL calculations of slepton pair production at the LHC. We apply a factorisation method to this…

High Energy Physics - Phenomenology · Physics 2018-04-18 J. Fiaschi , M. Klasen

We consider a specific class of events of the SUSY particle production at the LHC without missing p_T. Namely, we discuss the chargino pair production with a further decay into the W-boson and the neutralino when the masses of the chargino…

High Energy Physics - Phenomenology · Physics 2016-04-01 A. S. Belyaev , D. I. Kazakov , A. Sperling

We compute the next-to-leading order corrections of $O(\alpha_s^2\alpha^3)$ to the hadronic production of two oppositely charged leptons and two hard jets, $p p \to j j l^- l^+$, using Recola and Collier. We include electroweak and QCD…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ansgar Denner , Lars Hofer , Andreas Scharf , Sandro Uccirati
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