English
Related papers

Related papers: Deciphering the spin of new resonances in Higgsles…

200 papers

We propose a new technique for determining the spin of new massive particles that might be discovered at the Large Hadron Collider. The method relies on pair-production of the new particles in a kinematic regime where the vector boson…

High Energy Physics - Phenomenology · Physics 2011-09-23 Matthew R. Buckley , Michael J. Ramsey-Musolf

The appearance of spin-1 resonances associated to the electroweak symmetry breaking (EWSB) sector is expected in many extensions of the Standard Model. We analyze the CERN Large Hadron Collider potential to probe the spin of possible new…

High Energy Physics - Phenomenology · Physics 2011-11-10 O. J. P. Eboli , Chee Sheng Fong , J. Gonzalez-Fraile , M. C. Gonzalez-Garcia

We identify and study the signatures of the recently proposed Higgsless models at the Large Hadron Collider (LHC). We concentrate on tests of the mechanism of partial unitarity restoration in the longitudinal vector boson scattering, which…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andreas Birkedal , Konstantin Matchev , Maxim Perelstein

The mechanism of electroweak symmetry breaking (EWSB) will be directly scrutinized soon at the CERN Large Hadron Collider (LHC). We analyze the LHC potential to look for new vector bosons associated with the EWSB sector. We present a…

High Energy Physics - Phenomenology · Physics 2009-11-05 A. Alves , O. J. P. Eboli , D. Goncalves , M. C. Gonzalez-Garcia , J. K. Mizukoshi

We investigate the signatures of the recently proposed Higgsless models at future colliders. We focus on tests of the mechanism of partial unitarity restoration in the longitudinal vector boson scattering, which do not depend on any…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andreas Birkedal , Konstantin T. Matchev , Maxim Perelstein

The experimental determination of the properties of the newly discovered boson at the Large Hadron Collider is currently the most crucial task in high energy physics. We show how information about the spin, parity, and, more generally, the…

High Energy Physics - Phenomenology · Physics 2014-02-19 Sara Bolognesi , Yanyan Gao , Andrei V. Gritsan , Kirill Melnikov , Markus Schulze , Nhan V. Tran , Andrew Whitbeck

We study the production of a single resonance at the LHC and its decay into a pair of Z bosons. We demonstrate how full reconstruction of the final states allows us to determine the spin and parity of the resonance and restricts its…

High Energy Physics - Phenomenology · Physics 2010-05-12 Yanyan Gao , Andrei V. Gritsan , Zijin Guo , Kirill Melnikov , Markus Schulze , Nhan V. Tran

The observation of resonances is unequivocal evidence of new physics beyond the Standard Model at the Large Hadron Collider (LHC). So far, inclusive and model dependent searches have not provided evidence of new resonances, indicating that…

High Energy Physics - Experiment · Physics 2021-11-29 Salah-eddine Dahbi , Joshua Choma , Bruce Mellado , Gaogalalwe Mokgatitswane , Xifeng Ruan , Benjamin Lieberman , Turgay Celik

The observation of a new boson of mass $\sim 125\gev$ at the CERN LHC may finally have revealed the existence of a Higgs boson. Now we have the opportunity to scrutinize its properties, determining its quantum numbers and couplings to the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Alexandre Alves

We analyze the potentiality of the CERN Large Hadron Collider to probe the Higgs boson couplings to the electroweak gauge bosons. We parametrize the possible deviations of these couplings due to new physics in a model independent way, using…

High Energy Physics - Phenomenology · Physics 2014-11-17 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. M . Lietti , S. F. Novaes

We explore the potential of the CERN Large Hadron Collider to access a strongly interacting electroweak symmetry breaking sector via weak boson scattering with WWjj, ZZjj and WZjj final states. As examples of models with scalar or vector…

High Energy Physics - Phenomenology · Physics 2009-09-03 C. Englert , B. Jager , M. Worek , D. Zeppenfeld

Higgs boson production via weak boson fusion at the CERN Large Hadron Collider has the capability to determine the dominant CP nature of a Higgs boson, via the tensor structure of its coupling to weak bosons. This information is contained…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Plehn , D. Rainwater , D. Zeppenfeld

The Large Hadron Collider (LHC) machine at CERN was designed and built primarily to find or exclude the existence of the Higgs boson, for which a large amount of data is needed by the LHC experiments. This requires operation at high…

Accelerator Physics · Physics 2014-04-04 R. Bailey

Vector boson fusion (VBF) processes at the Large Hadron Collider (LHC) provide a unique opportunity to search for new physics with electroweak couplings. A feasibility study for the search of supersymmetric dark matter in the final state of…

High Energy Physics - Phenomenology · Physics 2013-08-14 Andres G. Delannoy , Bhaskar Dutta , Alfredo Gurrola , Will Johns , Teruki Kamon , Eduardo Luiggi , Andrew Melo , Paul Sheldon , Kuver Sinha , Kechen Wang , Sean Wu

After successful discovery of the Higgs boson, the Large Hadron Collider (LHC) would confront the major challenge in searching for new physics and new particles. Any such observation necessitates the determination of mass and other quantum…

High Energy Physics - Phenomenology · Physics 2015-07-08 Abhaya Kumar Swain , Partha Konar

One of the first channels to be experimentally analyzed at the LHC is $ p + p \longrightarrow l^+ + l ^- + X $. A resonance in this channel would be a clear indication of a new gauge neutral boson, as proposed in many extended models. In…

High Energy Physics - Phenomenology · Physics 2009-02-02 F. M. L. de Almeida , H. Chavez , Y. A. Coutinho , J. A. Martins Simões , A. J. Ramalho , S. Wulck , M. A. B. do Vale

We assume that the Higgs boson or a possible resonance---playing its role in strongly interacting models of electroweak symmetry breaking---has been discovered at the LHC and propose a search strategy to determine its spin based on two…

High Energy Physics - Phenomenology · Physics 2011-08-11 U. De Sanctis , M. Fabbrichesi , A. Tonero

In this work we consider the Linear BESS model at the LHC. This model can be seen as an adequate benchmark for exploring the phenomenological consequences of a composite Higgs sector since its particle content is the one we would expect in…

High Energy Physics - Phenomenology · Physics 2018-09-26 Jose Urbina , Alfonso R. Zerwekh

The discovery of the Higgs boson has led to new possible signatures for heavy resonance searches at the LHC. Since then, search channels including at least one Higgs boson plus another particle have formed an important part of the program…

High Energy Physics - Experiment · Physics 2025-04-10 CMS Collaboration

The most likely spin assignments of the recently discovered 126 GeV resonance are spin 0 or 2. In order to distinguish the two, we construct an effective Lagrangian model which comprises interactions of a spin-2 electroweak singlet or…

High Energy Physics - Phenomenology · Physics 2013-04-30 Jessica Frank , Michael Rauch , Dieter Zeppenfeld
‹ Prev 1 2 3 10 Next ›