Searching for scalar dark matter using spectroscopy

Abhishek Banerjee

(Weizmann Inst.)

Room 2.8.3, IST, Physics Dept.
Thursday, May 5th, 2022 at 04:00 PM


A possible implication of a sub-eV scalar dark matter (DM) field interacting with the Standard Model (SM) is oscillations of fundamental constants. Here, I will talk about how to establish the direct experimental bounds on the coupling of an oscillating DM to the SM using spectroscopy and/or various quantum sensors (DDM search). The equivalence principle (EP) violating tests can also be used to constrain the existence of a light scalar. Furthermore, I will discuss about the complementarity between the EP violating tests and DDM searches. We will further explore the challenges of a quadratically coupled light DM in the context of naturalness and how to probe such models.

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With support from FCT through project UIDB/00777/2020

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