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Related papers: Slepton production in polarized hadron collisions

200 papers

A search for the electroweak production of supersymmetric particles in proton-proton collisions at a center-of-mass energy of 13 TeV is presented in final states with a $\tau$ lepton pair. Both hadronic and leptonic decay modes are…

High Energy Physics - Experiment · Physics 2018-12-03 CMS Collaboration

In this paper we present a comprehensive formalism for dilepton production from the collision of two polarized spin-$\tfrac{1}{2}$ hadrons by identifying the general angular distribution of the cross section in combination with a complete…

High Energy Physics - Phenomenology · Physics 2009-07-24 S. Arnold , A. Metz , M. Schlegel

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 consider resonant production of sneutrino and slepton at hadronic colliders such as the Tevatron and the LHC within the context of a R-parity violating supersymmetric model. We present next to leading order QCD corrections to total cross…

High Energy Physics - Phenomenology · Physics 2009-11-07 Debajyoti Choudhury , Swapan Majhi , V. Ravindran

We analyse the production of charginos/neutralinos and sleptons at the hadron colliders Tevatron and LHC in the direct channels: $p\bar{p}/pp \to \tilde{\chi}_i \tilde{\chi}_j + X$ and $\tilde{\ell} \bar{\tilde{\ell}'} +X$. The cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Beenakker , M. Klasen , M. Krämer , T. Plehn , M. Spira , P. M. Zerwas

We compute the total cross section and the transverse momentum distribution for single charged slepton and sneutrino production at hadronic colliders including NLO supersymmetric and non-supersymmetric QCD corrections. The supersymmetric…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. K. Dreiner , S. Grab , M. Krämer , M. K. Trenkel

We emphasise that charged slepton pairs produced via vector-boson fusion along with two high-mass, high-$p_T$ forward/backward jets (in two opposite hemispheres) can have a higher production cross-section for heavy slepton masses than that…

High Energy Physics - Phenomenology · Physics 2009-11-10 Debajyoti Choudhury , Anindya Datta , Katri Huitu , Partha Konar , Stefano Moretti , Biswarup Mukhopadhyaya

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

It is shown that the existence of left-right asymmetry in single-spin inclusive Lambda production, together with the characteristic features of the data, should be considered as another clear signature for the existence of orbiting valence…

High Energy Physics - Phenomenology · Physics 2009-12-30 C. Boros , Liang Zuo-tang

The level of experimental precision that will be achieved with LHC Run-III data and in the forthcoming High Luminosity stage calls for equally accurate theoretical predictions to compare with. Here we present updated cross section…

High Energy Physics - Phenomenology · Physics 2021-05-03 Juri Fiaschi , Michael Klasen

We compute total cross sections for various slepton pair production reactions in next-to-leading order QCD. For pbarp collisions at root S=2TeV, we find leading order cross sections to be enhanced by typically 35% to 40%. For pp collisions…

High Energy Physics - Phenomenology · Physics 2009-10-30 Howard Baer , B. W. Harris , Mary Hall Reno

We present a precision calculation of the transverse-momentum and invariant-mass distributions for supersymmetric particle pair production at hadron colliders, focusing on Drell-Yan like slepton pair and slepton-sneutrino associated…

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

We study the pair production of neutral Higgs bosons through gluon fusion at hadron colliders in the framework of the Minimal Supersymmetric Standard Model. We present analytical expressions for the relevant amplitudes, including both quark…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. Belyaev , M. Drees , O. J. P. Eboli , J. K. Mizukoshi , S. F. Novaes

The cross section of top pair production in hadronic collisions to O(alpha \alpha_s^2) is calculated within the General 2-Higgs-Doublet Model and the Minimal Supersymmetric Standard Model. At the parton level the O(alpha) one-loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Hollik , W. M. Moesle , D. Wackeroth

In supersymmetric theories with R-parity breaking, sleptons can be produced in quark-antiquark annihilation at the Tevatron through interactions in which two quark fields are coupled to a slepton field. If at the same time trilinear…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. Kalinowski , R. Rueckl , H. Spiesberger , P. M. Zerwas

A search is presented for resonant production of second-generation sleptons ($\tilde{\mu}_L$, $\tilde{\nu}_\mu$) via the $R$-parity-violating coupling $\lambda'_{211}$ to quarks, in events with two same-sign muons and at least two jets in…

High Energy Physics - Experiment · Physics 2019-04-08 CMS Collaboration

In the case with a large splitting between the squark and slepton masses, the supersymmetric identities which enforce the equality of the gauge and gaugino couplings are violated in the effective theory below the squark mass threshold. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihoko M. Nojiri

We present a search for supersymmetry in the R-parity violating resonant production and decay of smuons and muon-sneutrinos in the channels smuon->neutralino_1 muon, smuon->neutralino_2 muon, and muon-sneutrino->chargino muon. We analyzed…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. Abazov

We study loop-induced parity violating asymmetries in the strong production of polarized top quark pairs at $pp$ and $p \bar p$ colliders. The electroweak ${\cal O}(\alpha)$ corrections to the helicity amplitudes of $q \bar q \to t \bar t$…

High Energy Physics - Phenomenology · Physics 2009-10-31 Chung Kao , Doreen Wackeroth

We consider the resonant production of charged sleptons at the LHC via R-parity violation followed by gauge decays to a charged lepton and a neutralino which then decays via R-parity violation. This gives a signature of two like-sign…

High Energy Physics - Phenomenology · Physics 2007-05-23 Herbi Dreiner , Peter Richardson , Michael H. Seymour