Collinear approach for top quark production at ep colliders

An approximate study of the collinear approach for t t ¯ production at the future circular collider hadron-electron (FCC-he) and the large hadron electron collider (LHeC) is performed. To study heavy quark production processes, the collinear generalized double asymptotic scaling approach in a wide r...

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Bibliographic Details
Published in:European physical journal plus 2023-03, Vol.138 (3), p.252, Article 252
Main Author: Boroun, G. R.
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Approximation
Atomic
Center of mass
Complex Systems
Condensed Matter Physics
Cosmic rays
Elasticity
Energy
Kinematics
Mathematical and Computational Physics
Molecular
Optical and Plasma Physics
Pair production
Physics
Physics and Astronomy
Quarks
Regular Article
Theoretical
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Summary:An approximate study of the collinear approach for t t ¯ production at the future circular collider hadron-electron (FCC-he) and the large hadron electron collider (LHeC) is performed. To study heavy quark production processes, the collinear generalized double asymptotic scaling approach in a wide range of Q 2 is used. The reduced cross sections for top quark pair production at the FCC-he (for Q 2 ≥ m t 2 ) and LHeC (for Q 2 ≤ m t 2 ) center-of-mass energies at high inelasticity are derived. These results may be considered for both the future colliders (i.e., LHeC and FCC-he) experiments at center-of-mass energy frontier and the improvement of the phenomenological models on kinematics of low values of the Bjorken variable x . The evolution of the gluon density for heavy-quark production in DIS is obtained at low x to include effects of heavy-quark masses. A nonlinear modification of these results shows that the nonlinear corrections, with respect to the top quark mass, are very small for Q 2 ∝ m t 2 .
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/s13360-023-03860-2