期刊
PHYSICS LETTERS B
卷 753, 期 -, 页码 476-481出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2015.12.053
关键词
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资金
- ILP LABEX - French state funds [ANR-10-LABX-63, ANR-11-IDEX-0004-02]
- STFC [ST/L000458/1]
- Royal Society, Wolfson Research Merit Award [WM140078]
- Spanish Ministry for Economy and Competitivity (MINECO) [FPA2013-44773-P, FPA2014-55613-P]
- Generalitat de Catalunya [2014SGR1450]
- Severo Ochoa excellence program of MINECO [SO-2012-0234]
- Science and Technology Facilities Council [ST/J000329/1, ST/L000458/1, ST/G000522/1] Funding Source: researchfish
- STFC [ST/J000329/1, ST/G000522/1, ST/L000458/1] Funding Source: UKRI
- ICREA Funding Source: Custom
Using elementary considerations of Lorentz invariance, Bose symmetry and BRST invariance, we argue why the decay of a massive color-octet vector state into a pair of on-shell massless gluons is possible in a non-Abelian SU(N) Yang-Mills theory, we constrain the form of the amplitude of the process and offer a simple understanding of these results in terms of effective-action operators. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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