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FIELD Phys:Particle Physics
DATE July 19 (Thu), 2018
TIME 16:00-17:30
PLACE 1423
SPEAKER Kang, Yoo-Jin
HOST Nishiwaki, Kenji
INSTITUTE 중앙대학교
TITLE Dark Matter Direct Detection with Spin-2 Mediators
ABSTRACT

We consider a massive spin-two resonance acting as the mediator between Dark Matter (DM) and particles in the Standard Model(SM) through the energy-momentum tensor. The scattering amplitudes between DM (scalar, fermion or vector particles) and SM are examined in terms of effective operators in the effective theory after the mediator is integrated out. We match the nuclear matrix elements with the gravitational form factors relevant for spin-independent DM-nucleon scattering. As a result, we calculate the differential scattering event rates for dark matter with the spin-2 mediator and discuss the interplay between DM relic density conditions, direct detection bounds and collider searches.

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