Oct. 28th: Probing the Elusive Higgs Decay Using Jet Structure

Presentation by: Warintorn Sreethawong of the University of Oklahoma

Abstract:
We consider the production of a light non-standard model Higgs boson of order 100 GeV with an associated $W$ boson at CERN Large Hadron Collider. We focus on an interesting scenario that, the Higgs boson decays predominately into two light scalars $\chi$ with mass of few GeV which sequently decay into four gluons, i.e. $h\to 2\chi \to 4g$. Since $\chi$ is much lighter than the Higgs boson, it will be highly boosted and its decay products, the two gluons, will move close to each other, resulting in a single jet for $\chi$ decay in the detector. By using electromagnetic calorimeter-based and jet substructure analyses, we show in two cases of different $\chi$ masses that it is quite promising to extract the signal of Higgs boson out of large QCD background.

~ It only takes one bottle cap moving at 23,000 mph to ruin your whole day ~

Nov. 11th: Reconciling thermal leptogenesis with the gravitino problem with mixed axion/axino dark matter

Presentation by: Howard Baer from the University of Oklahoma

Abstract:
N/A

~ It only takes one bottle cap moving at 23,000 mph to ruin your whole day ~