Box diagram in Yukawa theory

B.L.G. Bakker; J.K. Boomsma; C.R. Ji

doi:10.1103/PhysRevD.75.065010

Box diagram in Yukawa theory

B.L.G. Bakker, J.K. Boomsma, C.R. Ji

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

We present a light-front calculation of the box diagram in Yukawa theory. The covariant box diagram is finite for the case of spin-1/2 constituents exchanging spin-0 particles. In light-front dynamics, however, individual time-ordered diagrams are divergent. We analyze the corresponding light-front singularities and show the equivalence between the light-front and covariant results by taming the singularities. © 2007 The American Physical Society.

Original language	English
Journal	Physical Review D
Volume	75
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevD.75.065010
Publication status	Published - 2007

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Times Cited: 4

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10.1103/PhysRevD.75.065010

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title = "Box diagram in Yukawa theory",

abstract = "We present a light-front calculation of the box diagram in Yukawa theory. The covariant box diagram is finite for the case of spin-1/2 constituents exchanging spin-0 particles. In light-front dynamics, however, individual time-ordered diagrams are divergent. We analyze the corresponding light-front singularities and show the equivalence between the light-front and covariant results by taming the singularities. {\textcopyright} 2007 The American Physical Society.",

author = "B.L.G. Bakker and J.K. Boomsma and C.R. Ji",

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year = "2007",

doi = "10.1103/PhysRevD.75.065010",

language = "English",

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AU - Bakker, B.L.G.

AU - Boomsma, J.K.

AU - Ji, C.R.

N1 - Times Cited: 4

PY - 2007

Y1 - 2007

N2 - We present a light-front calculation of the box diagram in Yukawa theory. The covariant box diagram is finite for the case of spin-1/2 constituents exchanging spin-0 particles. In light-front dynamics, however, individual time-ordered diagrams are divergent. We analyze the corresponding light-front singularities and show the equivalence between the light-front and covariant results by taming the singularities. © 2007 The American Physical Society.

AB - We present a light-front calculation of the box diagram in Yukawa theory. The covariant box diagram is finite for the case of spin-1/2 constituents exchanging spin-0 particles. In light-front dynamics, however, individual time-ordered diagrams are divergent. We analyze the corresponding light-front singularities and show the equivalence between the light-front and covariant results by taming the singularities. © 2007 The American Physical Society.

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U2 - 10.1103/PhysRevD.75.065010

DO - 10.1103/PhysRevD.75.065010

M3 - Article

SN - 1550-7998

VL - 75

JO - Physical Review D

JF - Physical Review D

IS - 6

ER -

Box diagram in Yukawa theory

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