Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session J09: Sub-GeV Dark Matter
1:30 PM–3:18 PM,
Sunday, April 14, 2019
Sheraton
Room: Governor's Square 11
Sponsoring
Unit:
DPF
Chair: Bertrand Echenard, Caltech
Abstract: J09.00002 : Search for dark matter in models with a very light Z’
1:42 PM–1:54 PM
View Presentation Abstract
Presenter:
Evan A Koenig
(University of Wisconsin - Madison)
Author:
Evan A Koenig
(University of Wisconsin - Madison)
We present a search for the unique signature of dark matter production using a few GeV-scale Z’ boson, using the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC). In this model, dark matter produced in proton-proton collisions, radiates a light Z’. Due to the large mass difference between the Z’ and the dark matter, this radiated Z’ is boosted. The boosted Z’ decays manifests as a thin low-multiplicity jet. The two main backgrounds in this study, are jets produced in association with W and Z bosons. The normal quark and gluon jets in these events on occasion fragment anomalously, resulting in low multiplicity jets.
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