TOP Production at the electron proton colliders

Sun, H.; LHeC,

doi:10.22323/1.316.0186

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…In a similar way, through W boson and bottom (light) quark-associated production, the CKM matrix elements |V tx | (x = d, s) can be extracted with very high precision utilising a parameterisation of the deviations from the respective SM values. Here, the W boson and the b jet (light jet j = d, s) are produced via t-channel top quark exchange, or via s-channel single top quark decay, as outlined in [478]. As an example, the processes…”

Section: Wtq Couplingsmentioning

confidence: 99%

The Large Hadron–Electron Collider at the HL-LHC

Agostini

Aksakal

Alekhin

et al. 2021

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

145

129

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The Large Hadron–Electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy-recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High-Luminosity Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron–proton and proton–proton operations. This report represents an update to the LHeC’s conceptual design report (CDR), published in 2012. It comprises new results on the parton structure of the proton and heavier nuclei, QCD dynamics, and electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics by extending the accessible kinematic range of lepton–nucleus scattering by several orders of magnitude. Due to its enhanced luminosity and large energy and the cleanliness of the final hadronic states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, this report contains a detailed updated design for the energy-recovery electron linac (ERL), including a new lattice, magnet and superconducting radio-frequency technology, and further components. Challenges of energy recovery are described, and the lower-energy, high-current, three-turn ERL facility, PERLE at Orsay, is presented, which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution, and calibration goals that arise from the Higgs and parton-density-function physics programmes. This paper also presents novel results for the Future Circular Collider in electron–hadron (FCC-eh) mode, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies.

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Section: Wtq Couplingsmentioning

confidence: 99%

The Large Hadron–Electron Collider at the HL-LHC

Agostini

Aksakal

Alekhin

et al. 2021

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

145

129

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“…Besides these predictions, various successful phenomenological methods have presented to obtain the c and b structure functions and the ratios of R cc and R b b [28,32,35]. The importance of these studies, along with the t-quark density, can be explored at future circular collider energies and may lead us to new physics in the future [36,37].…”

Section: Introductionmentioning

confidence: 99%

Production cross section of heavy quarks in ep interaction at the NLO approximation

Zarrin¹,

Dadfar²,

Sayahi³

2023

Preprint

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We present the production cross section of heavy quarks σ cc , σ b b and σ t t at the next-to-leading order in the electron-proton interaction by using the quarks and gluon distribution functions at the initial scale Q 2 0 . To do this, we use a fitted form of the heavy quark coefficient functions for deep-inelastic lepton-hadron scattering to obtain the structure functions of heavy quarks. Then, we calculate the reduced cross section of heavy quarks by using the structure functions and subsequently present the single differential and the integrated cross section of heavy quarks at the center-of-mass energies of √ s = 319 GeV , 1.3 T eV and 3.5 T eV in the electron-proton collision. The obtained numerical results of the cross section of the charm and beauty quarks are compared with the HERA data, which is a combination from the results of the H1 and ZEUS detectors, and with the predictions from H1PDF, MSTW2008 and MSRT03. Furthermore, we present the production cross section of top quark as a direct prediction from our calculations.

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TOP Production at the electron proton colliders

Cited by 2 publications

References 6 publications

The Large Hadron–Electron Collider at the HL-LHC

The Large Hadron–Electron Collider at the HL-LHC

Production cross section of heavy quarks in ep interaction at the NLO approximation

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