Abstract
There are many models beyond the standard model which include electroweakly interacting massive particles (EWIMPs), often in the context of the dark matter. In this paper, we study the indirect search of EWIMPs using a precise measurement of the Drell–Yan cross sections at future 100TeV hadron colliders. It is revealed that this search strategy is suitable in particular for Higgsino and that the Higgsino mass up to about 1.3TeV will be covered at 95% C.L. irrespective of the chargino and neutralino mass difference. We also show that the study of the Drell–Yan process provides important and independent information about every kind of EWIMP in addition to Higgsino.
Highlights
There are many models that extend the standard model (SM) by introducing electroweakly interacting massive particles (EWIMPs)
In order to acquire somewhat stronger bounds on the EWIMPs, independent of the decay product or the lifetime and whether they are the dominant component of the dark matter (DM) or not, it has been discussed that indirect search of EWIMPs at collider experiments is useful [37,38,39,40,41]
We have studied the prospect of the indirect search of EWIMPs utilizing the Drell-Yan process at future 100 TeV hadron colliders
Summary
There are many models that extend the standard model (SM) by introducing electroweakly interacting massive particles (EWIMPs). In order to acquire somewhat stronger bounds on the EWIMPs, independent of the decay product or the lifetime and whether they are the dominant component of the DM or not, it has been discussed that indirect search of EWIMPs at collider experiments is useful [37,38,39,40,41] It utilizes the EWIMP loop effect on various observables.
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