Direct measurement of the Higgs self-coupling in e+e− → ZH

Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1776

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DC Field	Value	Language
dc.contributor.author	Shivaji, A.	-
dc.date.accessioned	2020-11-18T08:20:29Z	-
dc.date.available	2020-11-18T08:20:29Z	-
dc.date.issued	2019	-
dc.identifier.citation	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 797.	en_US
dc.identifier.other	https://doi.org/10.1016/j.physletb.2019.134821	-
dc.identifier.uri	https://www.sciencedirect.com/science/article/pii/S0370269319305350	-
dc.identifier.uri	http://hdl.handle.net/123456789/1776	-
dc.description	Only IISERM authors are available in the record.	-
dc.description.abstract	A new method to measure the trilinear Higgs self-coupling λ3in a single Higgs production process is proposed. Time-reversal-odd (T-odd) asymmetries in the process e+e−→ZH, Z→f ̄fare computed from the absorptive part of the electroweak one-loop amplitude. Since the T-odd asymmetries measure the tree-level t-channel ZH→ZHscattering, they can be direct probes of λ3. The proposed method is quite challenging; a relatively large statistics and polarized e+e−beams are demanded. However, this is probably the only approach to directly measure λ3in e+e−collisions, when a beam energy above the ZHHproduction threshold is not availabl	en_US
dc.language.iso	en	en_US
dc.publisher	Elsevier	en_US
dc.subject	Trilinear Higgs	en_US
dc.subject	Asymmetries	en_US
dc.subject	λ3in e+e−collisions	en_US
dc.title	Direct measurement of the Higgs self-coupling in e+e− → ZH	en_US
dc.type	Article	en_US
Appears in Collections:	Research Articles

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