activity
20162026
most citedMay the four be with you: Novel IR-subtraction methods to tackle NNLO calculations

62 citations · 476 across the 33 of their papers we have counts for

collaborators

34 papers

hep-ph2026

On the analytic continuation and matching of threshold singularities from Vacuum Amplitudes

Selomit Ram\'ırez-Uribe, Prasanna K. Dhani, German F. R. Sborlini +1

We provide a detailed discussion for all kinematical configurations of the analytic continuation to negative values of initial-state on-shell energies used to generate interference…

hep-ph2026

Understanding IR singularities in the Loop-Tree Duality

Germán Rodrigo, Leandro Cieri, Prasanna K. Dhani +11

One of the main advantages of the Loop-Tree Duality representation of scattering amplitudes is that it makes the origin of infrared and threshold singularities particularly transpa…

hep-ph2026

A Systematic Approach to Finite Multiloop Feynman Integrals

Prasanna K. Dhani, Konstantinos Pyretzidis, Selomit Ramírez-Uribe +4

Finite Feynman integrals have been advocated as the optimal components for constructing a basis of master integrals in multiloop calculations, due to their improved analytic and nu…

hep-ph2025★ 2 cited

Heavy Flavor Jet Substructure at Lepton Colliders

Prasanna K. Dhani, Oleh Fedkevych, Andrea Ghira

We provide a detailed analysis of event-shape observables, namely the energy correlation function and jet angularity, for heavy-flavor jets produced in electron-positron collisions…

hep-ph2024★ 4 cited

Heavy Flavour Jet Substructure

Prasanna K. Dhani, Oleh Fedkevych, Andrea Ghira +2

We present a comprehensive study of energy correlation functions and jet angularities for heavy-flavour QCD jets. In particular, we discuss the possibility of using these observabl…

hep-ph2024★ 3 cited

Vacuum amplitudes and time-like causal unitary in the loop-tree duality

The LTD Collaboration, Selomit Ramírez-Uribe, Andrés E. Rentería-Olivo +8

We present the first proof-of-concept application to decay processes at higher perturbative orders of LTD causal unitary, a novel methodology that exploits the causal properties of…

hep-ph2024★ 12 cited

Rewording Theoretical Predictions at Colliders with Vacuum Amplitudes

Selomit Ramírez-Uribe, Prasanna K. Dhani, German F. R. Sborlini +1

We propose multiloop vacuum amplitudes as the optimal building blocks for efficiently assembling theoretical predictions at high-energy colliders. This hypothesis is strongly suppo…

hep-ph2024★ 2 cited

Catani's generalization of collinear factorization breaking

Leandro Cieri, Prasanna K. Dhani, Germán Rodrigo

We consider the most general form of soft and collinear factorization for hard-scattering amplitudes to all orders in perturbative Quantum Chromodynamics. Specifically, we present…

hep-ph2023

Towards higher-order collinear splittings with massive partons

Prasanna K. Dhani, Germán Rodrigo, German F. R. Sborlini

The singularities associated with QCD factorization in the collinear limit are key ingredients for high-precision theoretical predictions in particle physics. They govern the colli…

hep-ph2023★ 15 cited

Triple-collinear splittings with massive particles

Prasanna K. Dhani, Germán Rodrigo, German F. R. Sborlini

We analyze in detail the most singular behaviour of processes involving triple-collinear splittings with massive particles in the quasi-collinear limit, and present compact express…

hep-ph2022

Azimuthally-correlated contributions to QCD transverse-momentum resummation at

Prasanna K. Dhani

Singular factors originating from the QCD factorisation of scattering amplitudes in soft and collinear limits play a prominent role in both organising and computing high-order pert…

hep-ph2022★ 15 cited

Collinear functions for QCD resummations

Stefano Catani, Prasanna K. Dhani

The singular behaviour of QCD squared amplitudes in the collinear limit is factorized and controlled by splitting kernels with a process-independent structure. We use these kernels…

hep-ph2020★ 62 cited

May the four be with you: Novel IR-subtraction methods to tackle NNLO calculations

W. J. Torres Bobadilla, G. F. R. Sborlini, P. Banerjee +21

In this report, we present a discussion about different frameworks to perform precise higher-order computations for high-energy physics. These approaches implement novel strategies…

hep-th2019★ 1 cited

Infrared structure of = 4 SYM and leading transcendentality principle in gauge theory

Taushif Ahmed, Pulak Banerjee, Amlan Chakraborty +3

We present a detailed study on the infrared structure of SYM and its connection to QCD. Calculation of collinear splitting functions helps to understand the structu…

hep-ph2019★ 1 cited

Two-Loop QCD Helicity Amplitudes for Higgs Production Associated with a Vector Boson through Bottom Quark Annihilation

Taushif Ahmed, A. H. Ajjath, Long Chen +3

We present the two-loop QCD corrections to the amplitude of the Higgs production associated with a boson via the bottom quark-antiquark annihilation channel with a non-vanishin…

hep-th2019★ 12 cited

Form factors with two operator insertions and the principle of maximal transcendentality

Taushif Ahmed, Pulak Banerjee, Amlan Chakraborty +2

We present the first calculations of two-point two-loop form factors (FFs) with a two identical operators insertion in maximally supersymmetric Yang-Mills theory. In this article,…

hep-ph2019★ 28 cited

Polarised Amplitudes and Soft-Virtual Cross Sections for at NNLO in QCD

Taushif Ahmed, A. H. Ajjath, Long Chen +3

Production of the Higgs boson, in association with a massive vector boson, , i.e., the process, plays an important role in the explorations of Higgs physics at the Larg…

hep-ph2019★ 34 cited

NNLO QCDQED corrections to Higgs production in bottom quark annihilation

Ajjath A H, Pulak Banerjee, Amlan Chakraborty +4

We present next-to-next-to leading order (NNLO) quantum electrodynamics (QED) corrections to the production of the Higgs boson in bottom quark annihilation at the Large Hadron Coll…

hep-th2019★ 5 cited

The Curious Case of Leading Transcendentality: Three Point Form Factors

Taushif Ahmed, Pulak Banerjee, Amlan Chakraborty +2

Form factors are important ingredients to investigate the principle of maximal transcendentality (PMT) and to extract anomalous dimensions of local gauge invariant operators. In th…

hep-th2019★ 6 cited

Two-loop Doubly Massive Four-Point Amplitude Involving a half-BPS and Konishi Operator

Taushif Ahmed, Prasanna K. Dhani

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 is c…

hep-ph2018★ 17 cited

Higgs pair production from bottom quark annihilation to NNLO in QCD

Ajjath A H, Pulak Banerjee, Amlan Chakraborty +4

We present the first results on the two-loop massless QCD corrections to the four-point amplitude in the five flavor scheme, treating bottom quarks…

hep-th2018★ 6 cited

Second order splitting functions and infrared safe cross sections in SYM theory

Pulak Banerjee, Amlan Chakraborty, Prasanna K. Dhani +2

We report our findings on the perturbative structure of supersymmetric Yang-Mills (SYM) theory in the infrared sector by computing inclusive scattering cross sections…

hep-ph2018★ 32 cited

Two-loop massless QCD corrections to the four-point amplitude

Pulak Banerjee, Sophia Borowka, Prasanna K. Dhani +2

We compute the two-loop massless QCD corrections to the four-point amplitude resulting from effective operator insertions that describe the interaction of a H…

hep-ph2018

Threshold resummation in rapidity for colorless particle production at LHC

Pulak Banerjee, Goutam Das, Prasanna K. Dhani +1

We present a formalism to resum large threshold logarithms to all orders in perturbative QCD for the rapidity distribution of any colorless particle at the hadron colliders. Using…