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We present a broad class of supersymmetric models that preserve R-parity but lack missing energy signatures. These models have new light particles with weak-scale supersymmetric masses that feel SUSY breaking only through couplings to the…

High Energy Physics - Phenomenology · Physics 2015-05-28 JiJi Fan , Matthew Reece , Joshua T. Ruderman

In this paper, a search for supersymmetry (SUSY) is presented in events with two opposite-sign isolated leptons in the final state, accompanied by hadronic jets and missing transverse energy. An artificial neural network is employed to…

High Energy Physics - Experiment · Physics 2013-05-01 CMS Collaboration

In this paper we propose a scale invariant search strategy for hadronic top or bottom plus missing energy final states. We present a method which shows flat efficiencies and background rejection factors over broad ranges of parameters and…

High Energy Physics - Phenomenology · Physics 2016-09-27 Matthias Schlaffer , Michael Spannowsky , Andreas Weiler

The most recent CMS results from a search for supersymmetry (SUSY) with a compressed mass spectrum in leptonic final states will be presented. The search is targeting signatures with missing transverse momentum and two or three low-momentum…

High Energy Physics - Experiment · Physics 2021-11-30 Ioanna Papavergou , Emmanouil Vourliotis

Events with signatures involving large missing transverse energy (MET) are among the quintessential search modes for R-parity conserving supersymmetry. CDF has conducted two recent analyses for supersymmetry which use MET and jets. The MET…

High Energy Physics - Experiment · Physics 2008-11-26 Richard Haas

Supersymmetric theories with an R-parity generally yield a striking missing energy signature, with cascade decays concluding in a neutralino that escapes the detector. In theories where R-parity is broken the missing energy is replaced with…

High Energy Physics - Phenomenology · Physics 2015-06-05 Joshua T. Ruderman , Tracy R. Slatyer , Neal Weiner

In case of the discovery of supersymmetry at the LHC, the goal will be to identify the underlying theory, its fundamental parameters, and the masses of SUSY particles. We followed here the approach to reconstruct the decay chains in SUSY…

High Energy Physics - Phenomenology · Physics 2009-11-16 Christian Autermann , Benedikt Mura , Christian Sander , Hannes Schettler , Peter Schleper

A search for gauge-mediated supersymmetry (SUSY) in final states with photons and large missing transverse momentum is presented. The data sample of pp collisions at $\sqrt{s} = $ 13 TeV was collected with the CMS detector at the CERN LHC…

High Energy Physics - Experiment · Physics 2018-03-14 CMS Collaboration

We propose a systematic programme to search for long-lived neutral particle signatures through a minimal set of displaced searches requiring significant missing transverse energy (dMETs). Our approach is to extend the well-established dark…

High Energy Physics - Phenomenology · Physics 2017-10-25 Oliver Buchmueller , Albert De Roeck , Matthew McCullough , Kristian Hahn , Kevin Sung , Pedro Schwaller , Tien-Tien Yu

A search for supersymmetry (SUSY) is performed in final states comprising one or more jets and missing transverse momentum using data from proton-proton collisions at a centre-of-mass energy of 13 TeV. The data were recorded with the CMS…

High Energy Physics - Experiment · Physics 2018-05-23 CMS Collaboration

Presence of the light gravitino as dark matter candidate in a supersymmetric (SUSY) model opens up interesting collider signatures consisting of one or more hard photons together with multiple jets and missing transverse energy from the…

High Energy Physics - Phenomenology · Physics 2017-09-13 Juhi Dutta , Partha Konar , Subhadeep Mondal , Biswarup Mukhopadhyaya , Santosh Kumar Rai

A compressed spectrum was initially proposed as an explanation for the elusiveness of low-energy supersymmetry (SUSY). Some characteristic signals at the Large Hadron Collider (LHC), such as mono-jet + \slashed{E}_T, had been propounded as…

High Energy Physics - Phenomenology · Physics 2016-01-19 Juhi Dutta , Partha Konar , Subhadeep Mondal , Biswarup Mukhopadhyaya , Santosh Kumar Rai

We point out that in the irreducible natural SUSY spectrum, stops have comparable branching fractions to chargino-bottom and neutralino-top in the vast bulk of parameter space, provided only that both decay modes are kinematically…

High Energy Physics - Phenomenology · Physics 2013-10-08 Michael L. Graesser , Jessie Shelton

An inclusive search is performed for supersymmetry in final states containing jets and an apparent imbalance in transverse momentum, pt[miss], due to the production of unobserved weakly interacting particles in pp collisions at a…

High Energy Physics - Experiment · Physics 2017-02-28 CMS Collaboration

Searches for supersymmetry (SUSY) models with a compressed mass spectrum are theoretically motivated but also pose experimental challenges. Two recent searches from the CMS Collaboration targeting leptonic final states that can originate…

High Energy Physics - Experiment · Physics 2021-05-20 Emmanouil Vourliotis

Supersymmetric (SUSY) models with R-parity generically predict sparticle decays with invisible neutralinos, which yield distinctive missing energy events at colliders. Since most LHC searches are designed with this expectation, the putative…

High Energy Physics - Phenomenology · Physics 2014-04-01 Gordan Krnjaic , Yuhsin Tsai

This paper starts with the most basic SU(5) Grand Unified Theory, coupled to Supergravity. Then it builds a new theory, incorporating the ideas of Suppressed SUSY. Suppressed SUSY is an alternative to the spontaneous breaking of SUSY. It…

General Physics · Physics 2017-07-04 John A. Dixon

Searches for supersymmetry (SUSY) are performed using a sample of hadronic events produced in 8 TeV pp collisions at the CERN LHC. The searches are based on the MT2 variable, which is a measure of the transverse momentum imbalance in an…

High Energy Physics - Experiment · Physics 2015-05-20 CMS Collaboration

Supersymmetry (SUSY) helps solve the hierarchy problem in high-energy physics and provides a natural groundwork for unifying gravity with other fundamental interactions. While being one of the most promising frameworks for theories beyond…

Quantum Physics · Physics 2022-06-15 M. -L. Cai , Y. -K. Wu , Q. -X. Mei , W. -D. Zhao , Y. Jiang , L. Yao , L. He , Z. -C. Zhou , L. -M. Duan

Higher-order tensors have received increased attention across science and engineering. While most tensor decomposition methods are developed for a single tensor observation, scientific studies often collect side information, in the form of…

Methodology · Statistics 2021-10-29 Jiaxin Hu , Chanwoo Lee , Miaoyan Wang