Research
I participate in the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) located just outside Geneva, Switzerland. Currently I am involved in the search for Supersymmetry (SUSY) in the hadronic channel with at least three jets and substantial transverse energy imbalance (MET). The main standard model (SM) backgrounds are: QCD multijet production, W+jets production, tt production and Ζ→ νν+jets production. My contributions to this analysis are the estimation of the (Ζ→ νν)+jets background and the calculation of the upper limits on the SUSY production in the mSUGRA scenario.
For service work I am involved in the trigger group in several capacities. Currently I am co-leading the JetMET trigger subgroup together with Shabnam Jabeen (Brown University). The charge of the group is to organize the activities regarding the development, maintenance and performance of the triggers using jets and MET. We manage a small group of contact people from the various physics groups so that we can assist these groups in their efforts to use such triggers. My specific task in the trigger group is to perform the software validation of the MET triggers. I am also part of the trigger menu development group which designs new trigger menus following requests from the CMS collaboration.
Selected Publications
[CMS Collaboration], “Search for supersymmetry in all-hadronic events with missing energy”
CMS-PAS-SUS-11-004 (2011)
[CMS Collaboration], “Search for new physics with the jets and missing momentum signature at
the LHC” CMS-PAS-SUS-10-005 (2011)
A. Abulencia et al. [CDF - Run II Collaboration], “Measurement of the tt¯ Production Cross
Section in pp¯ collisions at √s = 1.96-TeV in the All Hadronic Decay Mode,” Phys. Rev. D 74,
072005 (2006) [ arXiv:hep-ex/0607095 ].
T. Aaltonen et al. [CDF Collaboration], “Top quark mass measurement in the tt¯ all hadronic
channel using a matrix element technique in pp collisions at √s = 1.96 TeV,” Phys. Rev. D 79,
072010 (2009) [ arXiv:0811.1062v2 ].
Conference Presentations
Conference: Lake Louise Winter Institute, Lake Louise, AB, Canada
Date: February 2012
Talk title: Search for supersymmetry at the CMS in all-hadronic final state
Workshop: Searches for SUSY at the LHC, Berkeley, CA
Date: October 2011
Talk title: Searches for Jets + missing Et with no leptons at CMS
Workshop: First LHC Data, Cambridge, MA
Date: August 2010
Talk title: Understanding of Missing Et in CMS (in view of SUSY)
Conference: DPF Meeting, Detroit, MI
Date: July 2009
Talk title: Search for supersymmetry at the CMS in all-hadronic final state
Workshop: The USCMS JTERM III , Fermilab, Batavia, IL
Date: January 2009
Talk title: Missing Transverse Energy (MET) at CMS
Talk title: Estimation of the invisible Z+jets background using Z(->mumu) + jets samples
Talk title: Study of triggers for hadronic SUSY search
Conference: Physics at LHC , Split, Croatia
Date: September 2008
Talk title: SUSY at LHC
