10th International Conference on Gravitation and Cosmology: New Horizons and Singularities in Gravity (ICGC 2023)

Revisiting Dipole Dark Matter at Proposed International Linear Collider

Not scheduled

15m

IIT Guwahati

Poster Cosmology Cosmology

Speaker

Manish Kumar Sharma (Birla Institute of Technology and Science pilani, Goa Campus)

Description

If the dark matter is a Dirac fermion($\chi$) and it has an electric and magnetic dipole moment, it can couple with the Standard Model photon through a dimension five effective operators, suppressed by a New Physics(NP) scale $\Lambda$. We probe the parameter space in terms of Dark Matter mass ($m_\chi$) and the New Physics scale $\Lambda$ via a mono-photon signal at the upcoming International Linear Collider(ILC). With the beam polarization taken into account, and with the beam configurations of the ILC with $\sqrt{s} = 500$ GeV and $4$ ab$^{-1}$ integrated luminosity, we show that it can probe DM up to a $\Lambda$ value of $3.8$ TeV.