Scattering amplitudes from generalized recursion
2022140 pages
Supervisor:
Thesis: PhD - HBNI, Mumbai,
- Institute of Mathematical Sciences, Chennai
- Published: 2022
Citations per year
0 Citations
Abstract: (IMSc, Chennai)
In last few decades, the S-matrix program of quantum field theory has witnessed a number
of remarkable developments: a) the study of analytic structure of S-matrix has revealed
strikingly new insights in our understanding of quantum field theory, b) on-shell
techniques like Britto-Cachazo-Feng-Witten (BCFW) recursion relations and gen-
eralised unitarity have enormously reduced the complexity of seemingly impossible
computations which guided the next to leading order (NLO) revolution in Quantum Chro-
modynamics (QCD) and have even been used to calculate classical observables such as
potential that models the merger of binary black-holes up to high order in post Newtonian
and post Minkowskian expansion. This thesis is devoted to the derivation of a new
on-shell recursion scheme for computing scattering amplitudes in gauge theories in four
spacetime dimensions, involving massive particles. The recursion relations are then used
to calculate particular classes of amplitudes involving massive vector bosons in Higgsed
Yang-Mills theories.- Quantum Field Theory
- S-Matrix
- gauge field theory: Yang-Mills
- black hole: binary
- space-time: dimension: 4
- vector boson: massive
- higher-order: 1
- higher-order: 0
- particle: massive
- scattering amplitude
References(60)
Figures(0)
- [1]
- [2]
- [3]
- [4]
- [5]
- [6]
- [7]
- [8]
- [9]
- [10]
- [11]
- [12]
- [13]
- [14]
- [15]
- [16]
- [17]
- [18]
- [19]
- [20]
- [21]
- [22]
- [23]
- [24]
- [25]