Top and Electroweak Physics at the LHeC and the FCC-eh

Schwanenberger, C.

doi:10.22323/1.364.0635

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…Furthermore, the ρ-parameter and q sin 2 eff can be measured with high precision for different quark flavours, and, again, their scale-dependence is going to be determined for the first time. Noteworthy, these measurements are fully complementary to ee and pp colliders, which are performed in ) and FCC-eh expectations; middle: determination of the up-quark weak neutral current vector and axial-vector couplings with LHeC (yellow) compared with current determinations [22]; right: expected sensitivities as a function of the integrated luminosity on the SM and anomalous W tb couplings [23,24].…”

Section: Discovery Through High Precision: Electroweak and Top Physicsmentioning

confidence: 99%

“…Figure 1. Left: unpolarised inclusive NC and CC DIS cross sections as a function of Q 2 at the LHeC, in comparison to HERA (H1 [21]) and FCC-eh expectations; middle: determination of the up-quark weak neutral current vector and axial-vector couplings with LHeC (yellow) compared with current determinations[22]; right: expected sensitivities as a function of the integrated luminosity on the SM and anomalous W tb couplings[23,24].…”

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confidence: 99%

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Exploring the energy frontier with deep inelastic scattering at the LHC

Brüning

Klein

2019

J. Phys. G: Nucl. Part. Phys.

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A proposal is described for complementing the intense, high energy proton and ion beams of the Large Hadron Collider (LHC) with a novel electron energy recovery linac (ERL) to provide a next generation electron-hadron collider facility of more than 1 TeV center-of-mass energy. This Large Hadron Electron Collider (LHeC) will substantially extend the kinematic range covered by the first ep collider, HERA, and surpass its luminosity by a factor of several hundreds. This configuration will be a microscope for the substructure of matter with unprecedentedly clean resolution and a facility for new physics in the Higgs, strong interaction and electroweak sector with a strong discovery potential. The paper also describes the accelerator design and its main characteristics. As such it had been submitted to the deliberations on the future of European particle physics.

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Section: Discovery Through High Precision: Electroweak and Top Physicsmentioning

confidence: 99%

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confidence: 99%

Exploring the energy frontier with deep inelastic scattering at the LHC

Brüning

Klein

2019

J. Phys. G: Nucl. Part. Phys.

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“…Such a programme will be devoted to probing the energy frontier and complementing the discovery potential of the LHC with measurements of deep inelastic scattering (DIS). It can be used to study the parton structure of the proton and QCD dynamics [4][5][6][7][8][9][10], Higgs physics [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26], trilinear couplings of gauge bosons [27,28], top-quark physics [29][30][31][32][33][34][35][36][37][38][39] and new resonances [40,41].…”

Section: Introductionmentioning

confidence: 99%

Differential distributions for Single Top Quark Production at the LHeC

Gao,

Gao

2021

Preprint

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We present a phenomenological study of the single top (anti-)quark production with leptonic decays at the Large Hadron electron Collider (LHeC) at the next-to-leading-order (NLO) in QCD. We focus on various differential distributions in a fiducial region. The NLO corrections can reduce the fiducial cross section by 14%. We find the NLO predictions exhibit strong stability under scale variations for most observables considered while the scale variations at the leading-order (LO) dominated in the theoretical uncertainties. We propose a method of determining the top-quark mass using the measurement of the average transverse momentum of the charged lepton. The scale variations at the NLO induce a theoretical uncertainty of about 1.3 GeV of the extracted topquark mass. The statistical error of the extracted top-quark mass amounts to 1.1 GeV. We also investigate the impact of the QCD corrections and the scale variations in searches of the anomalous W tb couplings.

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“…The center-of-mass energy, in this collider, is close to 10 TeV which is relevant in investigations of new strong interaction dynamics related to high-energy cosmic rays and gravitational physics. It can be used to study the top-quark physics [6][7][8][9][10][11][12][13].…”

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confidence: 99%

Collinear approach for top quark production at ep colliders

Boroun¹

2021

Preprint

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An analysis study of the collinear approach for tt production at the Future Circular Collider hadron-electron (FCC-he) is performed. To study the heavy quark production processes, the collinear generalized double asymptotic scaling (DAS) approach at the next-to-next-to-leading order (NNLO) approximation at small Bjorken x values is used. Bounds on the top reduced cross section at the FCC-he center-of-mass energy and at the high inelasticity are derived. Expanding the method to high-values of Q 2 , Q 2 ≥m 2 t , can be considered in the process analysis of new colliders. A nonlinear modification of the evolution of the gluon density for heavy-quark production in DIS is obtained at small x from the parametrization of the proton structure function to include the effects of heavy-quark masses.

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Top and Electroweak Physics at the LHeC and the FCC-eh

Cited by 4 publications

References 12 publications

Exploring the energy frontier with deep inelastic scattering at the LHC

Exploring the energy frontier with deep inelastic scattering at the LHC

Differential distributions for Single Top Quark Production at the LHeC

Collinear approach for top quark production at ep colliders

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