Gluon cascades and amplitudes in light-front perturbation theory

C. A. Cruz-Santiago; A. M. Staśto

doi:10.1016/j.nuclphysb.2012.12.003

Gluon cascades and amplitudes in light-front perturbation theory

C. A. Cruz-Santiago, A. M. Staśto

Physics

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recursion relations. Using general relations between wave functions and scattering amplitudes it is demonstrated how to obtain the maximally-helicity violating amplitudes, and explicit verification of the results is based on simple examples.

Original language	English (US)
Pages (from-to)	1-30
Number of pages	30
Journal	Nuclear Physics B
Volume	869
Issue number	1
DOIs	https://doi.org/10.1016/j.nuclphysb.2012.12.003
State	Published - Apr 1 2013

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.nuclphysb.2012.12.003

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title = "Gluon cascades and amplitudes in light-front perturbation theory",

abstract = "We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recursion relations. Using general relations between wave functions and scattering amplitudes it is demonstrated how to obtain the maximally-helicity violating amplitudes, and explicit verification of the results is based on simple examples.",

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

note = "Funding Information: We would like to thank Stan Brodsky for discussions. This work was supported in part by the DOE OJI grant No. DE-SC0002145 and by the Polish NCN grant DEC-2011/01/B/ST2/03915 . A.M.S. is supported by the Sloan Foundation . ",

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T1 - Gluon cascades and amplitudes in light-front perturbation theory

AU - Cruz-Santiago, C. A.

AU - Staśto, A. M.

N1 - Funding Information: We would like to thank Stan Brodsky for discussions. This work was supported in part by the DOE OJI grant No. DE-SC0002145 and by the Polish NCN grant DEC-2011/01/B/ST2/03915 . A.M.S. is supported by the Sloan Foundation .

PY - 2013/4/1

Y1 - 2013/4/1

N2 - We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recursion relations. Using general relations between wave functions and scattering amplitudes it is demonstrated how to obtain the maximally-helicity violating amplitudes, and explicit verification of the results is based on simple examples.

AB - We construct the gluon wave functions, fragmentation functions and scattering amplitudes within the light-front perturbation theory. Recursion relations on the light-front are constructed for the wave functions and fragmentation functions, which in the latter case are the light-front analogs of the Berends-Giele recursion relations. Using general relations between wave functions and scattering amplitudes it is demonstrated how to obtain the maximally-helicity violating amplitudes, and explicit verification of the results is based on simple examples.

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VL - 869

SP - 1

EP - 30

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 1

ER -

Gluon cascades and amplitudes in light-front perturbation theory

Abstract

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