- Gamma detection efficiency at all angles, in all relevant calorimeters.
- Rejection power of the very forward calorimeters against other activity than the ISR.
Previous analyses by Christoph Bartels & al. :'Characterising WIMPs at a future e+e− Linear Collider', arxiv:1206.6639. Finishing study by Moriz Habermehl & al. : 'WIMP searches at the International Linear Collider' PoS ICHEP2016 (2016) 155, arxiv:1702.05377