期刊
ACTA PHYSICA POLONICA B
卷 50, 期 11, 页码 1983-1992出版社
JAGIELLONIAN UNIV PRESS
DOI: 10.5506/APhysPolB.50.1983
关键词
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资金
- la Caixa Foundation [100010434, LCF/BQ/IN17/11620037]
- Spanish Government (Agencia Estatal de Investigacion)
- ERDF funds from European Commission [FPA2017-84445-P, SEV-2014-0398]
- Generalitat Valenciana [PROMETEO/2017/053]
- Consejo Superior de Investigaciones Cientificas [PIE-201750E021]
- COST Action [CA16201 PARTICLEFACE]
Accurate theoretical predictions in the Standard Model (SM) are vital to disentangle possible new physics effects. The loop-tree duality (LTD) formalism transforms the integration domain of loop scattering amplitudes to a Euclidean space where asymptotic expansions of the integrand are well defined. The effectiveness of LTD for making asymptotic expansions has been shown in the large-mass and small-mass limits for Higgs production through gluon fusion. In this paper, we present a preliminary study aimed at generalising the method of asymptotic expansions in the LTD formalism. We use a toy amplitude and derive general guidelines.
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