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Related papers: Removing flat directions in SMEFT fits: how polari…

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We study standard electroweak/Higgs processes at the high-energy lepton colliders ILC and CLIC. We identify a subset of three operators in the SMEFT that give leading contributions to these processes at high energies. We then perform a…

High Energy Physics - Phenomenology · Physics 2022-02-24 Shankha Banerjee , Rick S. Gupta , Oscar Ochoa-Valeriano , Michael Spannowsky

We present a projection study for the first moments of the inclusive spin structure function for the proton and neutron from simulated doubly-polarized e+p and e+3He collision data expected from the Electron-Ion collider. For detection and…

Nuclear Theory · Physics 2024-11-05 T. Kutz , J. R. Pybus , D. W. Upton , C. Cotton , A. Deshpande , A. Deur , W. B. Li , D. Nguyen , M. Nycz , X. Zheng

The chirality-flipping operators of light fermions are currently poorly constrained by experimental analyses due to the lack of interference with Standard Model (SM) amplitudes in traditional observables. In this work, we propose to…

High Energy Physics - Phenomenology · Physics 2024-04-22 Hao-Lin Wang , Xin-Kai Wen , Hongxi Xing , Bin Yan

We present a parton-level study of electro-weak production of vector-boson pairs at the Large Hadron Collider, establishing the sensitivity to a set of dimension-six operators in the Standard Model Effective Field Theory (SMEFT). Different…

In this paper we study the effect of new physics contributions to the top quark pair production ($t\bar{t}$) in a possible future linear collider, such as the International Linear Collider (ILC). The use of a dimension-six gauge invariant…

High Energy Physics - Phenomenology · Physics 2013-03-22 Miguel C. N. Fiolhais

The Electron Ion Collider will have two interaction regions that can be instrumented with detectors. The first region will be instrumented as part of the project and needs to be capable of delivering the physics that has been outlined by…

Instrumentation and Detectors · Physics 2022-03-01 Douglas W. Higinbotham

Top quark pair production in association with a $Z$-boson or a photon at the LHC directly probes neutral top-quark couplings. We present predictions for these two processes in the Standard Model (SM) Effective Field Theory (EFT) at…

High Energy Physics - Phenomenology · Physics 2016-02-01 Olga Bessidskaia Bylund , Fabio Maltoni , Ioannis Tsinikos , Eleni Vryonidou , Cen Zhang

The Electron-Ion Collider (EIC), a state-of-the-art facility for studying the strong force, is expected to begin commissioning its first experiments in 2028. This is an opportune time for artificial intelligence (AI) to be included from the…

An Electron-Ion Collider (EIC) with suitable forward detection capabilities would enable a unique experimental program of deep-inelastic scattering (DIS) from polarized light nuclei (deuterium 2H, helium 3He) with spectator nucleon tagging.…

High Energy Physics - Phenomenology · Physics 2014-11-03 V. Guzey , D. Higinbotham , Ch. Hyde , P. Nadel-Turonski , K. Park , M. Sargsian , M. Strikman , C. Weiss

The future Electron-Ion Collider (EIC) at Brookhaven National Laboratory, along with its primary capacity to elucidate the nuclear structure, will offer new opportunities to probe physics beyond the Standard Model coupled to the electroweak…

High Energy Physics - Phenomenology · Physics 2023-03-22 Brian Batell , Tathagata Ghosh , Tao Han , Keping Xie

The shift in focus towards searches for physics beyond the Standard Model (SM) employing model-independent Effective Field Theory (EFT) methods necessitates a rigorous approach to matching to guarantee the validity of the obtained results…

High Energy Physics - Phenomenology · Physics 2023-03-29 Upalaparna Banerjee , Joydeep Chakrabortty , Christoph Englert , Shakeel Ur Rahaman , Michael Spannowsky

The dark photon is widely predicted in many new physics beyond the Standard Model. In this work, we propose to utilize the polarized lepton cross section in neutral current DIS process at the HERA and upcoming Electron-Ion Collider (EIC) to…

High Energy Physics - Phenomenology · Physics 2022-08-24 Bin Yan

I give a brief overview of the science cases of the Electron-Ion Collider (EIC) with a particular emphasis on the connections to the physics of ultrarelativistic heavy-ion collisions.

High Energy Physics - Phenomenology · Physics 2021-02-03 Yoshitaka Hatta

We investigate the high-$p_T$ tails of the $pp\to \ell \nu$ and $pp \to \ell \ell$ Drell-Yan processes as probes of New Physics in semileptonic interactions with an arbitrary flavor structure. For this purpose, we provide a general…

High Energy Physics - Phenomenology · Physics 2023-03-20 Lukas Allwicher , Darius A. Faroughy , Florentin Jaffredo , Olcyr Sumensari , Felix Wilsch

In this paper, we study the triple top quark production at the future high-energy proton-proton colliders to probe the four-fermion interactions involving three top quarks. We employ the Standard Model Effective Field Theory (SMEFT) to find…

High Energy Physics - Phenomenology · Physics 2021-05-18 Sara Khatibi , Hamzeh Khanpour

Even if some experimental evidence suggests the existence of physics beyond the SM, no clues of new resonances can be found in the data. In the case their masses are much larger than the energies of current experiments, the SMEFT formalism…

High Energy Physics - Phenomenology · Physics 2025-11-18 Matteo Maltoni

We present an overview of the scientific opportunities that would be offered by a high-energy electron-ion collider. We discuss the relevant physics of polarized and unpolarized electron-proton collisions and of electron-nucleus collisions.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Abhay Deshpande , Richard Milner , Raju Venugopalan , Werner Vogelsang

Nowadays, the Standard Model Effective Field Theory (SMEFT) provides a standard framework to parameterize potential deviations from the Standard Model and to combine information from multiple processes in global analyses. This review…

High Energy Physics - Phenomenology · Physics 2026-03-19 A. Aleshko , E . Boos , V. Bunichev , L. Dudko

The LHC experiments have searched for and excluded many proposed Beyond the Standard Model (BSM) theories. However, there are many scenarios where LHC has little or no sensitivity. Electron-positron colliders offers a different avenue for…

High Energy Physics - Phenomenology · Physics 2022-12-13 Mikael Berggren