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Related papers: Unravelling an Extra Neutral Gauge Boson at the LH…

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We present the discovery prospects for a Z' resonance and some expected results for Z' diagnostic measurements at the LHC. The discovery reach is highly dependent on the energy and luminosities that may be attained at the LHC, and a number…

High Energy Physics - Phenomenology · Physics 2009-10-10 Ross Diener , Stephen Godfrey , Travis A. W. Martin

New Neutral Gauge Bosons, Z' 's, are predicted by many models of physics beyond the Standard Electroweak Theory. It is possible that a Z' would be discovered early in the Large Hadron Collider program. The next step would be to measure its…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stephen Godfrey , Travis A. W. Martin

We explore the physics of a new neutral gauge boson, ($Z^\prime$), coupling to only third-generation particles with a mass near the electroweak gauge boson mass poles. A $Z^\prime$ boson produced by top quarks and decaying to tau leptons is…

High Energy Physics - Phenomenology · Physics 2020-03-03 Mohammad Abdullah , Mykhailo Dalchenko , Teruki Kamon , Denis Rathjens , Adrian Thompson

The phenomenology of an additional U(1) neutral gauge boson Z' coupled to the third family of fermions is discussed. One might expect such a particle to contribute to processes where taus, b and t quarks are produced. Precision data from…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Andrianov , P. Osland , A. A. Pankov , N. V. Romanenko , J. Sirkka

The sensitivity of top quark pair production at the Large Hadron Collider to the presence and nature of an underlying Z' boson is studied, accounting for six-fermion decay with full tree-level Standard Model ttbar interference and all…

High Energy Physics - Phenomenology · Physics 2017-05-15 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

A detailed analysis of ZZ production at the upgraded Fermilab Tevatron and the CERN Large Hadron Collider is presented for general ZZZ and ZZ\gamma couplings. Deviations from the Standard Model gauge theory structure for each of these can…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , D. Rainwater

We study the collider phenomenology of the $B$-$L$ extension of the Standard Model (BLSM), focusing on the production and decay of a heavy neutral gauge boson (\( Z' \)) at the Large Hadron Collider (LHC). In this framework, the \( Z' \)…

High Energy Physics - Phenomenology · Physics 2025-08-13 Nidal Chamoun , Kareem Ezzat , Shaaban Khalil , Rhitaja Sengupta

In the attempt to fully profile a $Z'$ boson accessible at the Large Hadron Collider (LHC), we study the sensitivity of di-lepton (for the electron, muon and tauon cases) and di-quark (for the case of the heavy flavours, $t$ and, possibly,…

High Energy Physics - Phenomenology · Physics 2015-06-05 L. Basso , K. Mimasu , S. Moretti

We study the sensitivity of top pair production at the Large Hadron Collider (LHC) to the nature of an underlying Z' boson, including full tree level standard model background effects and interferences while assuming realistic final state…

High Energy Physics - Phenomenology · Physics 2012-11-26 L. Basso , K. Mimasu , S. Moretti

Heavy neutral gauge bosons, Z's, are predicted by many theoretical schemes of physics beyond the Standard Model, and intensive searches for their signatures will be performed at present and future high energy colliders. It is quite possible…

High Energy Physics - Phenomenology · Physics 2014-11-20 P. Osland , A. A. Pankov , A. V. Tsytrinov

We study the sensitivity of top pair production with six-fermion decay at the LHC to the presence and nature of an underlying Z' boson, accounting for full tree-level Standard Model ttbar interference, with all intermediate particles…

High Energy Physics - Phenomenology · Physics 2016-10-14 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

We investigate the sensitivity of top pair production to the properties of different Beyond the Standard Model theories embedding a new neutral boson. We include six-fermion decay, and account for the full tree-level Standard Model ttbar…

High Energy Physics - Phenomenology · Physics 2016-12-12 Lucio Cerrito , Declan Millar , Stefano Moretti , Francesco Spanò

We report on studies of the sensitivity to extra gauge bosons of the reactions e^+ e^- -> nu nubar gamma and e gamma -> nu q + X to extract discovery limits for W' 's. The discovery potential for a W' is, for some models, comparable to that…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Godfrey , P. Kalyniak , B. Kamal , M. A. Doncheski , A. Leike

Extra neutral gauge bosons (Z') are predicted in many extensions of the Standard Model (SM). In the minimal anomaly-free Z' model (AFZ'), the phenomenology is controlled by only three parameters beyond the SM ones, the Z' mass and two…

High Energy Physics - Phenomenology · Physics 2012-08-07 Jean-Jacques Blaising , James D. Wells

We point out that at future hadron colliders the ratio of cross sections for $pp\to Z'\to \ell^+\ell^-$ in two rapidity bins is a useful probe of the relative couplings of the $Z'$ to $u$ and $d$ quarks. Combined with the forward-backward…

High Energy Physics - Phenomenology · Physics 2009-09-17 F. del Aguila , Mirjam Cvetic , Paul Langacker

We study the sensitivity of top pair production at the Large Hadron Collider (LHC) to the nature of an underlying Z' boson, including full tree level standard model background effects and interferences while assuming realistic final state…

High Energy Physics - Phenomenology · Physics 2015-06-12 L. Basso , K. Mimasu , S. Moretti

This paper presents a search for a new Z' vector gauge boson with the ATLAS experiment at the Large Hadron Collider using pp collision data collected at $\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 139 fb$^{-1}$. The…

High Energy Physics - Experiment · Physics 2023-09-15 ATLAS Collaboration

We reanalyse the potential of the LHC to discover new $Z'$ gauge bosons and to discriminate between various theoretical models. Using a fast LHC detector simulation, we have investigated how well the characteristics of $Z'$ bosons from…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michael Dittmar , Abdelhak Djouadi , Anne-Sylvie Nicollerat

We study the production of top-antitop pairs at the Large Hadron Collider as a testbed for discovering heavy Z' bosons belonging to a composite Higgs model, as, in this scenario, such new gauge interaction states are sizeably coupled to the…

High Energy Physics - Phenomenology · Physics 2014-09-10 D. Barducci , S. De Curtis , K. Mimasu , S. Moretti

This Letter describes the search for an enhanced production rate of events with a charged lepton and a neutrino in high-energy pp collisions at the LHC. The analysis uses data collected with the CMS detector, with an integrated luminosity…

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