An algorithm for computing four-Ramond vertices at arbitrary level

Niclas Engberg; Bengt E.W. Nilsson; Per Sundell

doi:10.1016/0550-3213(93)90478-8

An algorithm for computing four-Ramond vertices at arbitrary level

Niclas Engberg, Bengt E.W. Nilsson, Per Sundell

Exact Sciences School

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

6 Citations (Scopus)

Abstract

We perform the sewing of two (dual) Ramond reggeon vertices and derive an algorithm by means of which the so obtained four-Ramond reggeon vertex may be explicitly computed at arbitrary oscillator (mass) level. A closed form of the four-vertex is then deduced on the basis of a comparison to all terms obtained by sewing, that contain only level zero and one oscillators. Results are presented for both complex fermions and for the previously studied case of real fermions.

Original language	English
Pages (from-to)	187-214
Number of pages	28
Journal	Nuclear Physics, Section B
Volume	404
Issue number	1-2
DOIs	https://doi.org/10.1016/0550-3213(93)90478-8
Publication status	Published - 30 Aug 1993

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0550-3213(93)90478-8

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title = "An algorithm for computing four-Ramond vertices at arbitrary level",

abstract = "We perform the sewing of two (dual) Ramond reggeon vertices and derive an algorithm by means of which the so obtained four-Ramond reggeon vertex may be explicitly computed at arbitrary oscillator (mass) level. A closed form of the four-vertex is then deduced on the basis of a comparison to all terms obtained by sewing, that contain only level zero and one oscillators. Results are presented for both complex fermions and for the previously studied case of real fermions.",

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AU - Nilsson, Bengt E.W.

AU - Sundell, Per

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N2 - We perform the sewing of two (dual) Ramond reggeon vertices and derive an algorithm by means of which the so obtained four-Ramond reggeon vertex may be explicitly computed at arbitrary oscillator (mass) level. A closed form of the four-vertex is then deduced on the basis of a comparison to all terms obtained by sewing, that contain only level zero and one oscillators. Results are presented for both complex fermions and for the previously studied case of real fermions.

AB - We perform the sewing of two (dual) Ramond reggeon vertices and derive an algorithm by means of which the so obtained four-Ramond reggeon vertex may be explicitly computed at arbitrary oscillator (mass) level. A closed form of the four-vertex is then deduced on the basis of a comparison to all terms obtained by sewing, that contain only level zero and one oscillators. Results are presented for both complex fermions and for the previously studied case of real fermions.

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DO - 10.1016/0550-3213(93)90478-8

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EP - 214

JO - Nuclear Physics B

JF - Nuclear Physics B

SN - 0550-3213

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An algorithm for computing four-Ramond vertices at arbitrary level

Abstract

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