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Landscaping CP-violating BSM scenarios

Das Bakshi, Supratim; Chakrabortty, Joydeep; Englert, Christoph; Spannowsky, Michael; Stylianou, Panagiotis

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Supratim Das Bakshi

Joydeep Chakrabortty

Christoph Englert

Panagiotis Stylianou


We consider a wide range of UV scenarios with the aim of informing searches for CP violation at the TeV scale using effective field theory techniques. We demonstrate that broad theoretical assumptions about the nature of UV dynamics responsible for CP violation map out a small subset of relevant operators at the TeV scale. Concretely, this will allow us to reduce the number of free parameters that need to be considered in experimental investigations, thus enhancing analyses' sensitivities. In parallel, reflecting the UV dynamics' Wilson coefficient hierarchy will enable a streamlined theoretical interpretation of such analyses in the future. We demonstrate a minimal approach to analysing CP violation in this context using a Monte Carlo study of a combination of weak boson fusion Higgs and electroweak diboson production, which provide complementary information on the relevant EFT operators.


Das Bakshi, S., Chakrabortty, J., Englert, C., Spannowsky, M., & Stylianou, P. (2022). Landscaping CP-violating BSM scenarios. Nuclear Physics B, 975,

Journal Article Type Article
Acceptance Date Jan 18, 2022
Online Publication Date Jan 21, 2022
Publication Date 2022
Deposit Date Feb 16, 2022
Publicly Available Date Feb 16, 2022
Journal Nuclear Physics B
Print ISSN 0550-3213
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 975


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