Anomalous quartic ZZ gamma gamma couplings at the CLIC
Abstract
We study the sensitivity to anomalous quartic ZZ gamma gamma couplings through the processes e(+) e(-) -> Z Z gamma, e(+)e(-) -> e(+)gamma* e(-) -> e(+) Z Z e(-) and e(+) e(-) -> e(+) gamma*gamma* e(-) -> e(+) Z Z e(-) at the CLIC. We find 95% confidence level bounds on these coupling parameters defining by the dimension- six operators. The best bounds on the anomalous ZZ.. couplings among the three processes are obtained from e(+) e(-) -> Z Z gamma at a center-of-mass energy of 3TeV and an integrated luminosity of 590 fb(-1). We show that the best bounds obtained on both the anomalous coupling parameters are of the order of 10(-8) GeV-2, significantly improving the current bounds.
Source
EUROPEAN PHYSICAL JOURNAL PLUSVolume
130Issue
4Collections
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