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Accurate models of the world are built upon notions of its underlying symmetries. In physics, these symmetries correspond to conservation laws, such as for energy and momentum. Yet even though neural network models see increasing use in the…

Machine Learning · Computer Science 2020-07-31 Miles Cranmer , Sam Greydanus , Stephan Hoyer , Peter Battaglia , David Spergel , Shirley Ho

We present powerful new analysis techniques to constrain effective field theories at the LHC. By leveraging the structure of particle physics processes, we extract extra information from Monte-Carlo simulations, which can be used to train…

High Energy Physics - Phenomenology · Physics 2018-09-19 Johann Brehmer , Kyle Cranmer , Gilles Louppe , Juan Pavez

The study of Standard Model (SM) physics is crucial at the LHC for several reasons. Before any discovery can be claimed a detailed understanding of the detectors should be reached and benchmark SM processes should be measured. A precise…

High Energy Physics - Experiment · Physics 2019-08-14 F. Petrucci

Realistic models of physical world rely on differentiable symmetries that, in turn, correspond to conservation laws. Recent works on Lagrangian and Hamiltonian neural networks show that the underlying symmetries of a system can be easily…

Machine Learning · Computer Science 2021-10-13 Ravinder Bhattoo , Sayan Ranu , N. M. Anoop Krishnan

We briefly describe a model for soft diffraction. The model description of ISR, SppbarS and Tevatron data, and the predictions of the total, elastic, single and double diffractive cross sections at the LHC can be found in the original…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. A. Khoze , A. D. Martin , M. G. Ryskin

We review here our study of a supersymmetric left-right model (SLRM). In the model the $R$-parity is spontaneously broken. Phenomenologically novel feature of the model is the occurrance of the doubly charged particles in the Higgs sector,…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Huitu , J. Maalampi , M. Raidal

Presence of nonholomorphic soft SUSY breaking terms is known to be a possibility in the popular setup of the Minimal Supersymmetric Standard Model (MSSM). It has been shown that such a scenario known as NonHolomorphic Supersymmetric…

High Energy Physics - Phenomenology · Physics 2018-11-01 Utpal Chattopadhyay , AseshKrishna Datta , Samadrita Mukherjee , Abhaya Kumar Swain

We study an MSSM model with bilinear R-parity violation which is capable of explaining neutrino data while leading to testable predictions for ratios of LSP decay rates. Further, we estimate the precision with which such a measurement could…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Porod , P. Skands

We give a brief review of beyond-the-Standard Model (BSM) extensions of the Standard Model (SM) Higgs sector. Going from very simple to more complicated models, our survey includes models with additional scalar singlet fields, the Two Higgs…

High Energy Physics - Phenomenology · Physics 2019-08-30 Tim Stefaniak

We discuss the physics opportunities and detector challenges at future hadron colliders. As guidelines for energies and luminosities we use the proposed luminosity and/or energy upgrade of the LHC (SLHC), and the Fermilab design of a Very…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , R. Brock , J. Parsons , M. Albrow , D. Denisov , T. Han , A. Kotwal , F. Olness , J. Qian , S. Belyaev

The goal of the LHCspin project is to develop innovative solutions for measuring the 3D structure of nucleons in high-energy polarized fixed-target collisions at LHC, exploring new processes and exploiting new probes in a unique, previously…

Collider testable low-scale seesaw models predict pseudo-Dirac heavy neutrinos, that can produce an oscillating pattern of lepton number conserving and lepton number violating events. We explore if such heavy neutrino-antineutrino…

High Energy Physics - Phenomenology · Physics 2023-10-06 Stefan Antusch , Jan Hajer , Johannes Rosskopp

We apply the covariant derivative expansion method to integrate out the neutralinos and charginos in the minimal supersymmetric Standard Model. The results are presented as set of pure bosonic dimension-6 operators in the Standard Model…

High Energy Physics - Phenomenology · Physics 2018-05-08 Huayong Han , Ran Huo , Minyuan Jiang , Jing Shu

After an introduction recalling that we expect low energy supersymmetry to be part of our description of nature because of considerable indirect evidence and successful predictions, and a discussion of the essential role of data for…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gordon L. Kane

I summarize the abilities of LEP-II, the SSC/LHC hadron colliders, and a future high energy $\epem$ collider (NLC) to detect the Higgs bosons of the Minimal Supersymmetric Model (MSSM). I then review the unique capabilities of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. F. Gunion

We study the potential of the LHC and future low-energy experiments to precisely measure the underlying model parameters of a new Z' boson. We emphasize the complimentary information obtained from both on- and off-peak LHC dilepton data,…

High Energy Physics - Phenomenology · Physics 2010-05-28 Ye Li , Frank Petriello , Seth Quackenbush

The possibility to study elastic and diffractive physics in pp collisions at LHC is investigated. For this purpose we have considered detectors close to the beam in conjunction with the magnetic elements of the accelerator to provide a high…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Arneodo , S. Maselli , C. Peroni

Experiments at the Large Hadron Collider (LHC) might test the picture of supersymmetric Grand Unification in particle physics. We argue that the identification of gaugino masses is the most promising step in this direction. Mass predictions…

High Energy Physics - Phenomenology · Physics 2009-12-04 Valéri Löwen , Hans Peter Nilles

In this review, we discuss methods of parsing direct and indirect information from collider experiments regarding the Higgs boson and describe simple ways in which experimental likelihoods can be consistently reconstructed and interfaced…

High Energy Physics - Phenomenology · Physics 2013-03-20 Aleksandr Azatov , Jamison Galloway

We review the physics potential of the GigaZ option of the International Linear Collider (ILC) for probing the Minimal Supersymmetric Standard Model (MSSM) via the sensitivity of the electroweak precision observables measured at the ILC to…

High Energy Physics - Phenomenology · Physics 2009-02-16 S. Heinemeyer , W. Hollik , A. M. Weber , G. Weiglein