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Related papers: Extracting the fundamental parameters

200 papers

If supersymmetric particles are produced at the Large Hadron Collider it becomes very important not only to identify them, but also to determine their masses with the highest possible precision, since this may lead to an understanding of…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. K. Gjelsten , D. J. Miller , P. Osland

One of the major goals of the Large Hadron Collider is to probe the electroweak symmetry breaking mechanism and the generation of the masses of the elementary particles. We review the physics of the Higgs sector in the Standard Model and…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. Djouadi , R. M. Godbole

The LHC inverse problem refers to the difficulties in determining the parameters of an underlying theory from data (to be) taken by the LHC experiments: if they find signals of new physics, and an underlying theory is assumed, could its…

High Energy Physics - Phenomenology · Physics 2013-05-30 Nicki Bornhauser , Manuel Drees

The International Linear Collider has a rich physics programme, whatever lies beyond the standard model. Accurate measurement of the top quark mass is needed to constrain the model or its extensions. If there is a light Higgs boson the LHC…

High Energy Physics - Phenomenology · Physics 2009-11-10 David J. Miller

In the Minimal Supersymmetric Standard Model (MSSM) the mass of the lightest neutral Higgs boson is determined by the supersymmetric parameters. In the $m_h$MSSM the precisely measured Higgs boson replaces the trilinear coupling $A_t$ as…

High Energy Physics - Phenomenology · Physics 2022-08-02 Rima El-Kosseifi , Jean-Loic Kneur , Gilbert Moultaka , Dirk Zerwas

Now that a Higgs boson has been discovered at the LHC, measuring its couplings to other particles is the next important step. In order to probe the electroweak symmetry breaking mechanism at its core it is crucial to reconstruct the scalar…

High Energy Physics - Phenomenology · Physics 2014-08-28 Julien Baglio

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

Models of physics beyond the Standard Model often contain a large number of parameters. These form a high-dimensional space that is computationally intractable to fully explore. Experimental constraints project onto a subspace of viable…

High Energy Physics - Theory · Physics 2022-01-05 Jacob Hollingsworth , Michael Ratz , Philip Tanedo , Daniel Whiteson

The parameters of the supersymmetry Lagrangian are the place where experiment and theory will meet. We show that measuring them is harder than has been thought, particularly because of large unavoidable dependences on phases. Measurements…

High Energy Physics - Phenomenology · Physics 2009-10-31 Michal Brhlik , G. L. Kane

New physics theories often depend on a large number of free parameters. The precise values of those parameters in some cases drastically affect the resulting phenomenology of fundamental physics processes, while in others finite variations…

High Energy Physics - Phenomenology · Physics 2016-05-25 Alexandra Carvalho , Martino Dall'Osso , Tommaso Dorigo , Florian Goertz , Carlo A. Gottardo , Mia Tosi

Recent developments in prospects of searching for Higgs particles and testing their properties at the LHC and at TeV e+e- linear colliders are summarized. The discovery limits of supersymmetric particles at the LHC are presented and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Kilian , P. M. Zerwas

Discovering a Higgs boson at the LHC will address a major outstanding issue in particle physics but will also raise many new questions. A concerted effort to determine the couplings of this new state to other Standard Model fields will be…

High Energy Physics - Phenomenology · Physics 2015-06-04 Aleksandr Azatov , Roberto Contino , Daniele Del Re , Jamison Galloway , Marco Grassi , Shahram Rahatlou

Higgs couplings can be measured at a linear collider with high precision. We estimate the uncertainties of such measurements, including theoretical errors. Based on these results we show an extrapolation for a combined analysis at a linear…

High Energy Physics - Phenomenology · Physics 2015-06-12 Markus Klute , Remi Lafaye , Tilman Plehn , Michael Rauch , Dirk Zerwas

To understand the possibility for precision Higgs boson coupling measurements to access effects of very heavy new particles, I present five scenarios in which significant deviations in Higgs boson couplings are produced by new particles…

High Energy Physics - Phenomenology · Physics 2022-10-05 Michael E. Peskin

We discuss a possibility that the parameter space of the two Higgs doublet model is significantly narrowed down by considering the synergy between direct searches for additional Higgs bosons at the LHC and its luminosity upgraded operation…

High Energy Physics - Phenomenology · Physics 2021-04-07 Masashi Aiko , Shinya Kanemura , Mariko Kikuchi , Kentarou Mawatari , Kodai Sakurai , Kei Yagyu

Once supersymmetry is found at the LHC, the question arises what are the fundamental parameters of the Lagrangian. The answer to this question should thereby not be biased by assumptions on high-scale models. SFitter is a tool designed for…

High Energy Physics - Phenomenology · Physics 2007-10-16 M. Rauch , R. Lafaye , T. Plehn , D. Zerwas

This note summarizes many detailed physics studies done by the ATLAS and CMS Collaborations for the LHC, concentrating on processes involving the production of high mass states. These studies show that the LHC should be able to elucidate…

High Energy Physics - Phenomenology · Physics 2012-08-27 The ATLAS Collaboration , the CMS Collaboration , J. G. Branson , D. Denegri , I. Hinchliffe , F. Gianotti , F. E. Paige , P. Sphicas

If we find a light Higgs boson at the LHC, there should be many observable channels which we can exploit to measure the relevant parameters in the Higgs sector. We use the SFitter framework to map these measurements on the parameter space…

High Energy Physics - Phenomenology · Physics 2009-10-29 Remi Lafaye , Tilman Plehn , Michael Rauch , Dirk Zerwas , Michael Duehrssen

The motivation for introduction of supersymmetry in high energy physics as well as a possibility for supersymmetry discovery at LHC (Large Hadronic Collider) are discussed. The main notions of the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Gladyshev , D. I. Kazakov

If supersymmetry (SUSY) is realized at the electroweak scale, its underlying structure and breaking mechanism may be explored with great precision by a future linear $e^+ e^-$ collider (LC) with a clean environment, tunable collision…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Y. Choi