Scattering amplitudes in the light-front formalism

C. Cruz-Santiago; P. Kotko; A. M. Stas̈to

doi:10.1016/j.ppnp.2015.07.002

Scattering amplitudes in the light-front formalism

C. Cruz-Santiago, P. Kotko, A. M. Stas̈to

Physics

Research output: Contribution to journal › Review article › peer-review

18 Scopus citations

Abstract

We review the methods of the computation of the scattering amplitudes in the light-front formalism. Basics of the light-front quantization, as well as helicity methods and different types of recursion relations for scattering amplitudes are reviewed. Computation of the wave-functions and fragmentation functions within the light-front theory are presented. Methods for obtaining off-shell scattering amplitudes are presented together with the new recursion relations which include the gauge invariant extensions of the off-shell amplitudes. Finally, relation between the formalism which makes use of the Wilson lines and light-front formalism is discussed.

Original language	English (US)
Pages (from-to)	82-131
Number of pages	50
Journal	Progress in Particle and Nuclear Physics
Volume	85
DOIs	https://doi.org/10.1016/j.ppnp.2015.07.002
State	Published - Nov 1 2015

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.ppnp.2015.07.002

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title = "Scattering amplitudes in the light-front formalism",

abstract = "We review the methods of the computation of the scattering amplitudes in the light-front formalism. Basics of the light-front quantization, as well as helicity methods and different types of recursion relations for scattering amplitudes are reviewed. Computation of the wave-functions and fragmentation functions within the light-front theory are presented. Methods for obtaining off-shell scattering amplitudes are presented together with the new recursion relations which include the gauge invariant extensions of the off-shell amplitudes. Finally, relation between the formalism which makes use of the Wilson lines and light-front formalism is discussed.",

author = "C. Cruz-Santiago and P. Kotko and Sta{\"s}to, {A. M.}",

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journal = "Progress in Particle and Nuclear Physics",

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T1 - Scattering amplitudes in the light-front formalism

AU - Cruz-Santiago, C.

AU - Kotko, P.

AU - Stas̈to, A. M.

PY - 2015/11/1

Y1 - 2015/11/1

N2 - We review the methods of the computation of the scattering amplitudes in the light-front formalism. Basics of the light-front quantization, as well as helicity methods and different types of recursion relations for scattering amplitudes are reviewed. Computation of the wave-functions and fragmentation functions within the light-front theory are presented. Methods for obtaining off-shell scattering amplitudes are presented together with the new recursion relations which include the gauge invariant extensions of the off-shell amplitudes. Finally, relation between the formalism which makes use of the Wilson lines and light-front formalism is discussed.

AB - We review the methods of the computation of the scattering amplitudes in the light-front formalism. Basics of the light-front quantization, as well as helicity methods and different types of recursion relations for scattering amplitudes are reviewed. Computation of the wave-functions and fragmentation functions within the light-front theory are presented. Methods for obtaining off-shell scattering amplitudes are presented together with the new recursion relations which include the gauge invariant extensions of the off-shell amplitudes. Finally, relation between the formalism which makes use of the Wilson lines and light-front formalism is discussed.

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UR - http://www.scopus.com/inward/citedby.url?scp=84942818163&partnerID=8YFLogxK

U2 - 10.1016/j.ppnp.2015.07.002

DO - 10.1016/j.ppnp.2015.07.002

M3 - Review article

AN - SCOPUS:84942818163

SN - 0146-6410

VL - 85

SP - 82

EP - 131

JO - Progress in Particle and Nuclear Physics

JF - Progress in Particle and Nuclear Physics

ER -

Scattering amplitudes in the light-front formalism

Abstract

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