Exclusive search for Higgs boson to gamma-gamma decay via vector boson fusion production mechanism

Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2012. === Cataloged from PDF version of thesis. === Includes bibliographical references (p. 39-40). === We perform an exclusive search for the Higgs boson to gamma-gamma decay via vector boson fusion. We utilize the characterist...

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Bibliographic Details
Main Author: Rankin, Dylan Sheldon
Other Authors: Markus Klute.
Format: Others
Language:English
Published: Massachusetts Institute of Technology 2013
Subjects:
Online Access:http://hdl.handle.net/1721.1/78498
Description
Summary:Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2012. === Cataloged from PDF version of thesis. === Includes bibliographical references (p. 39-40). === We perform an exclusive search for the Higgs boson to gamma-gamma decay via vector boson fusion. We utilize the characteristic features of vector boson fusion, such as the di-jet [Delta][eta] and mass, as well as the di-photon [rho][tao], to search for the Higgs boson to gamma-gamma decay via the vector boson fusion process. The theoretical production cross section limit is analyzed over the accepted possible mass range for the Higgs boson, 120-130 GeV/c 2 . We are able to reduce the theoretical production cross section limit to ~ 6[sigma]SM in this range by using a boosted decision tree. Comparison to the cut based approach used by the CMS Collaboration shows no improvement in using a BDT as opposed to a cut based approach. === by Dylan Sheldon Rankin. === S.B.