Search for the Decay of the Higgs boson to charm quarks with the ATLAS experiment

Abraham, N L, Allbrooke, B, Asquith, L, Cerri, A, Chavez Barajas, C, DeSanto, A, Jones, S D, Lerner, G, Miano, F, Salvatore, F, Santoyo Castillo, I, Shaw, K, Stevenson, T, Suruliz, K, Sutton, M, Tresoldi, F, Trovato, F, Winkels, E, Winston, O, Vivarelli, I, The ATLAS Collaboration, and others, (2018) Search for the Decay of the Higgs boson to charm quarks with the ATLAS experiment. Physical Review Letters, 120 (21). 211802 1-20. ISSN 0031-9007

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Abstract

A direct search for the Standard Model Higgs boson decaying to a pair of charm quarks is presented. Associated production of the Higgs and Z bosons, in the decay mode ZH→ℓ + ℓ − cc ¯ is studied. A dataset with an integrated luminosity of 36.1 fb −1 of pp collisions at √s =13 TeV recorded by the ATLAS experiment at the LHC is used. The H→cc ¯ signature is identified using charm-tagging algorithms. The observed (expected) upper limit on σ(pp→ZH)×B(H→cc ¯ ) is 2.7 (3.9 +2.1 −1.1) pb at the 95% confidence level for a Higgs boson mass of 125 GeV, while the Standard Model value is 26 fb.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Research Centres and Groups: Experimental Particle Physics Research Group
Subjects: Q Science > QC Physics
Depositing User: Alice Jackson
Date Deposited: 13 Nov 2018 16:32
Last Modified: 13 Nov 2018 16:33
URI: http://sro.sussex.ac.uk/id/eprint/80151

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