Soft theorem to three loops in QCD and = 4 super Yang-Mills theory

W Chen, M Luo, TZ Yang, HX Zhu - Journal of High Energy Physics, 2024 - Springer
A bstract The soft theorem states that scattering amplitude in gauge theory with a soft gauge-
boson emission can be factorized into a hard scattering amplitude and a soft factor. In this …

Three loop QCD corrections to the heavy-light form factors in the color-planar limit

S Datta, N Rana, V Ravindran, R Sarkar - Journal of High Energy Physics, 2023 - Springer
A bstract We present the analytic expressions for the color-planar contributions to the heavy-
light form factors at three loops in perturbative QCD. These form factors play an important …

Non-planar form factors of generic local operators via on-shell unitarity and color-kinematics duality

G Lin, G Yang - Journal of High Energy Physics, 2021 - Springer
A bstract Form factors, as quantities involving both local operators and asymptotic particle
states, contain information of both the spectrum of operators and the on-shell amplitudes. So …

The four-loop = 4 SYM Sudakov form factor

RN Lee, A von Manteuffel, RM Schabinger… - Journal of High Energy …, 2022 - Springer
JHEP01(2022)091 Page 1 JHEP01(2022)091 Received: November 3, 2021 Accepted:
December 22, 2021 Published: January 18, 2022 The four-loop N = 4 SYM Sudakov form factor …

Three loop QCD corrections to the heavy-light form factors: fermionic contributions

S Datta, N Rana - Journal of High Energy Physics, 2024 - Springer
A bstract We present analytic results for three-loop fermionic corrections to the heavy-light
form factors in perturbative quantum chromodynamics. Specifically, we present all light …

Two-loop amplitudes for di-Higgs and di-pseudo-Higgs productions through quark annihilation in QCD

T Ahmed, V Ravindran, A Sankar, S Tiwari - Journal of High Energy …, 2022 - Springer
A bstract Through this article, we present the two-loop massless QCD corrections to the
production of di-Higgs and di-pseudo-Higgs boson through quark annihilation in the large …

Two-loop doubly massive four-point amplitude involving a half-BPS and Konishi operator

T Ahmed, PK Dhani - Journal of High Energy Physics, 2019 - Springer
A bstract The two-loop four-point amplitude of two massless SU (N) colored scalars and two
color singlet operators with different virtuality described by a half-BPS and Konishi operators …

Infrared Structure Of Gauge Theory: A Comparison Between N= 4 SYM and QCD [HBNI Th199]

A Chakraborthy - 2021 - imsc.res.in
Scattering amplitudes and Cross Sections are most prominent observable in the context of
collider experiments. Almost everything we know experimentally about gauge theory is …

Higher order corrections and resummation in perturbative QCD [HBNI Th220]

A Sankar - 2022 - imsc.res.in
This thesis arises in the context of precision physics at hadron colliders. As Large Hadron
Collider (LHC) at CERN is close to its Run-3 phase and the experimental measure-ments …