期刊
EUROPEAN PHYSICAL JOURNAL C
卷 77, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-017-4795-8
关键词
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资金
- MINECO [FPA 2016-78220-C3-1-P, FPA 2015-65652-C4-1-R, FPA 2014-54459-P, FPA 2013-47836-C3-2-P]
- Junta de Andalucia [FQM-101]
- Generalitat Valenciana [GV PROMETEO II 2013-017]
- Severo Ochoa Excellence Centre [SEV 2014-0398]
- European Commission [PITN-GA-2012-316704]
- Spanish National Research Council (CSIC) under the CT Incorporation Program [2016501002]
- MECD [FPU14/04678]
We demonstrate that the eight multipole parameters describing the spin state of the Z boson are able to disentangle known Z production mechanisms and signals from new physics at the LHC. They can be extracted from appropriate asymmetries in the angular distribution of lepton pairs from the Z boson decay. The power of this analysis is illustrated by (1) the production of Z boson plus jets; (2) Z boson plus missing transverse energy; (3) W and Z bosons originating from the two-body decay of a heavy resonance.
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