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https://www.ias.ac.in/article/fulltext/pram/079/05/1289-1292

DØ; decision tree; log-likelihood ratio; confidence level.

A search is presented for the Standard Model (SM) Higgs boson optimized in the decay channel $H \rightarrow W^{+} W^{−}$, where both 𝑊 bosons decay leptonically. The final state considered contains dileptons and missing transverse energy from the neutrinos. A multivariate analysis is used to suppress the background. No significant excess above the SM background has been observed and limits set on the Higgs boson production cross-section $∗$ the branching ratio for $m_{H} = 115–200$ GeV are computed. Results using 8.1 fb$^{−1} of data are presented.

Ruchika Nayyar¹ Kirti Ranjan¹

1. Department of Physics and Astrophysics, University of Delhi, Delhi 110 007, India

Published

November 2012