Search for New Bosons in Gluon-Gluon and Vector Boson Fusion Processes at the LHC and Development of Silicon Module Assembly Techniques for the CMS High Granularity Calorimeter
Dec, 2020111 pages
Supervisors:
Thesis: PhD - Shuichi Kunori(),
- Andrew Whitbeck()
- Texas Tech.
- Published: 2020
DOI:
URN/HDL:
Report number:
- FERMILAB-THESIS-2020-20
Experiments:
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Abstract: (submitter)
A search for heavy resonances decaying to a pair of vectors bosons is presented
which utilizes events in which a hadronically decaying Z orWboson is identified using
jet substructure techniques and large missing transverse momentum is found. Data
analyzed were recorded by the Compact Muon Solenoid experiment at the CERN
Large Hadron Collider in 2016, 2017, and 2018, and correspond to 137 fb−1. The
events are categorized as having arisen from Vector Boson Fusion process or not,
and are characterized by their transverse mass distribution. The standard model
backgrounds are estimated based on observed yields in control regions. No excess of
events above the expected SM background are observed and limits are placed on the
production cross section of Radion (spin-0), Wprime (spin-1) and Bulk graviton (spin-
2) particles. In adiditon, the high luminosity LHC and the CMS HGCAL upgrade
are also presented. The assembly techniques and various tests for the Silicon module
and the cassette are discussed.- physics of elementary particles and fields
- New Resonance
- Large Hadron Collider (LHC)
- Vector Boson Fusion (VBF)
- Compact Muon Solenoid (CMS)
- High Granularity Calorimeter (HGCAL)
- thesis
- p p: scattering
- p p: colliding beams
- vector boson: fusion
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