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Search for Higgs-like bosons decaying into long-lived exotic particles


LHCb Collaboration; Bernet, R; Müller, K; Steinkampf, O; Straumann, U; Vollhardt, A; et al (2016). Search for Higgs-like bosons decaying into long-lived exotic particles. European Physical Journal C - Particles and Fields, 76:664.

Abstract

A search is presented for massive long-lived particles, in the 20-60 ${GeV}$ mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to $0.62\,\mathrm{fb}^{-1}$ of proton-proton collision data collected by the LHCb detector at $\sqrt{s} = 7\,\mathrm{TeV}$. The particles are assumed to be pair-produced by the decay of a Higgs-like boson with mass between 80 and 140 ${GeV}c^2$. No excess above the background expectation is observed and limits are set on the production cross-section as a function of the long-lived particle mass and lifetime and of the Higgs-like boson mass.

Abstract

A search is presented for massive long-lived particles, in the 20-60 ${GeV}$ mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to $0.62\,\mathrm{fb}^{-1}$ of proton-proton collision data collected by the LHCb detector at $\sqrt{s} = 7\,\mathrm{TeV}$. The particles are assumed to be pair-produced by the decay of a Higgs-like boson with mass between 80 and 140 ${GeV}c^2$. No excess above the background expectation is observed and limits are set on the production cross-section as a function of the long-lived particle mass and lifetime and of the Higgs-like boson mass.

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:September 2016
Deposited On:27 Dec 2016 14:21
Last Modified:02 Feb 2018 11:09
Publisher:Springer
ISSN:1434-6044
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-016-4489-7

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