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Related papers: Probing new electroweak states via precision measu…

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In this paper, we propose a novel powerful strategy to perform searches for new electroweak states. Uncolored electroweak states appear in generic extensions of the Standard Model (SM) and yet are challenging to discover at hadron…

High Energy Physics - Phenomenology · Physics 2016-07-06 Ahmed Ismail , Eder Izaguirre , Brian Shuve

Many extensions of the standard model (SM) involve new massive particles charged under the electroweak gauge symmetry. The electroweakly interacting new particles affect various SM processes through radiative corrections. We discuss the…

High Energy Physics - Phenomenology · Physics 2018-07-04 Shigeki Matsumoto , Satoshi Shirai , Michihisa Takeuchi

The Standard Model extensions with vector-like states which have either zero hypercharge or zero weak isospin are rather poorly constrained by the electroweak precision measurements. Such new states would however modify the running of the…

High Energy Physics - Phenomenology · Physics 2017-05-23 Christian Gross , Oleg Lebedev , Jose Miguel No

We summarize the status of calculations of the electroweak radiative corrections to W and Z boson production via the Drell-Yan mechanism at hadron colliders. To fully exploit the precision physics potential of the high-luminosity…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Baur , D. Wackeroth

We show that high energy measurements of Drell-Yan at the LHC can serve as electroweak precision tests. Dimension-6 operators, from the Standard Model Effective Field Theory, modify the high energy behavior of electroweak gauge boson…

High Energy Physics - Phenomenology · Physics 2017-06-27 Marco Farina , Giuliano Panico , Duccio Pappadopulo , Joshua T. Ruderman , Riccardo Torre , Andrea Wulzer

The proposed electron-proton collider experiments LHeC and FCC-eh at CERN are the highest resolution microscopes that can be realised in the present century and they would represent a really unique research facility. We exploit simulated…

High Energy Physics - Phenomenology · Physics 2022-03-15 Daniel Britzger , Max Klein , Hubert Spiesberger

The Large Hadron Collider, LHC, though meant for discovery, will provide enough data from early phase to also perform various studies of Standard Model processes in as yet unexplored kinematic regions. Precision measurements of the…

High Energy Physics - Experiment · Physics 2008-09-10 Kajari Mazumdar

We summarize the status of calculations of the electroweak radiative corrections to W and Z boson production via the Drell-Yan mechanism at hadron colliders. To fully exploit the precision physics potential of the high-luminosity…

High Energy Physics - Phenomenology · Physics 2009-11-07 U. Baur , D. Wackeroth

In a large class of scenarios, dark matter (DM) particles that belong to a multiplet of the standard model (SM) weak interactions are challenging to probe in direct detection experiments due to loop-suppressed cross-sections. Direct…

High Energy Physics - Phenomenology · Physics 2019-04-15 Tao Han , Satyanarayan Mukhopadhyay , Xing Wang

Because the TeV-scale to be probed at the Large Hadron Collider should shed light on the naturalness, hierarchy, and dark matter problems, most searches to date have focused on new physics signatures motivated by possible solutions to these…

High Energy Physics - Phenomenology · Physics 2011-05-25 Matthew R. Buckley , Lisa Randall , Brian Shuve

There is a strong experimental program searching for massive sterile neutrinos. Here we focus on the heavy regime above the GeV scale, where their existence can be probed in either high-energy colliders or in high-precision facilities. We…

High Energy Physics - Phenomenology · Physics 2024-05-20 Xabier Marcano

We examine the sensitivity of the Large Hadron Collider (LHC) to light lepton portal dark matter with its mass below 10$\,$GeV. The model features an extra doublet scalar field and singlet Dirac dark matter, which have Yukawa interactions…

High Energy Physics - Phenomenology · Physics 2023-06-09 Syuhei Iguro , Shohei Okawa , Yuji Omura

Measurements of neutral current Drell-Yan production at large invariant dilepton masses can be used to test the energy scale dependence (running) of the electroweak mixing angle. In this work, we make use of a novel implementation of the…

High Energy Physics - Phenomenology · Physics 2024-03-12 Simone Amoroso , Mauro Chiesa , Clara Lavinia Del Pio , Katerina Lipka , Fulvio Piccinini , Federico Vazzoler , Alessandro Vicini

Various types of electroweak-interacting particles, which have non-trivial charges under the $\mathrm{SU}(2)_L \times \mathrm{U}(1)_Y$ gauge symmetry, appear in various extensions of the Standard Model. These particles are good targets of…

High Energy Physics - Phenomenology · Physics 2015-09-24 Keisuke Harigaya , Koji Ichikawa , Anirban Kundu , Shigeki Matsumoto , Satoshi Shirai

Well-motivated electroweak dark matter is often hosted by an extended electroweak sector which also contains new lepton pairs with masses near the weak scale. In this paper, we explore such electroweak dark matter via combining dark matter…

High Energy Physics - Phenomenology · Physics 2020-09-14 Shuai Xu , Sibo Zheng

We study the complementarity between the Large Hadron Collider (LHC) and future lepton colliders in probing electroweak baryogenesis induced by an additional bottom Yukawa coupling $\rho_{bb}$. The context is general two Higgs doublet model…

High Energy Physics - Phenomenology · Physics 2021-10-05 Tanmoy Modak , Eibun Senaha

The juxtaposition of the precision of lepton flavour measurements and the limited energy range of the Large Hadron Collider (LHC) to discover dynamical degrees of freedom linked to the generation of the observed lepton mass patterns naively…

High Energy Physics - Phenomenology · Physics 2024-09-06 Upalaparna Banerjee , Christoph Englert , Wrishik Naskar

An electroweak multiplet stable due to a new global symmetry is a simple and well-motivated candidate for thermal dark matter. We study how direct searches at a future linear collider, such as the proposed CLIC, can constrain scalar and…

High Energy Physics - Phenomenology · Physics 2019-02-20 Kenji Kadota , Andrew Spray

The prospects for electroweak physics at the LHC are reviewed focusing mainly on precision studies. This includes projections for measurements of the effective Z pole weak mixing angle, of top quark, W boson, and Higgs scalar properties,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler

A new beam dump experiment that utilizes the beam of future high energy electron-positron colliders could be an excellent avenue to search for dark sector particles due to its unprecedented high energy and intensity. We consider heavy…

High Energy Physics - Phenomenology · Physics 2023-05-03 Pierce Giffin , Stefania Gori , Yu-Dai Tsai , Douglas Tuckler
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