1998
DOI: 10.1016/s0370-2693(98)00166-x
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Threshold and pseudothreshold values of the sunset diagram

Abstract: Analytic results for the threshold and pseudothreshold values of the sunset diagram with arbitrary masses are obtained in terms of dilogarithms of ratios of the masses.Comment: 11 pages, plain LaTe

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Cited by 58 publications
(93 citation statements)
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“…In the two-loop calculation of the pseudoscalar meson masses and decay constants, these are the only two-mass configurations that arise. Results for the pseudothresholds, calculated directly using an integral representation of the sunsets, are given in [4]. We rederived the three pseudothreshold results…”
Section: Evaluation Using Tarcermentioning
confidence: 99%
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“…In the two-loop calculation of the pseudoscalar meson masses and decay constants, these are the only two-mass configurations that arise. Results for the pseudothresholds, calculated directly using an integral representation of the sunsets, are given in [4]. We rederived the three pseudothreshold results…”
Section: Evaluation Using Tarcermentioning
confidence: 99%
“…Therefore, an alternative semi-analytic result is presented here for this mass configuration. The method used to derive the one-dimensional integral representation given in this section has been taken from the work of [4].…”
Section: Conementioning
confidence: 99%
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“…Their analytical expansions at p 2 = 0 and p 2 = ∞ were given in [2] and [3]. Their values at threshold p 2 = −(m 1 + m 2 + m 3 ) 2 and pseudothresholds (p 2 = −(m 1 − m 2 + m 3 ) 2 , p 2 = −(m 1 + m 2 − m 3 ) 2 , p 2 = −(−m 1 + m 2 + m 3 ) 2 ) were presented in [4]. The analytical expansions at pseudothresholds were found in [5].…”
Section: Introductionmentioning
confidence: 99%