Revisiting the LHC reach in the displaced region of the minimal left-right symmetric model

Giovanna Cottin; Juan Carlos Helo; Martin Hirsch; Dario Silva

doi:10.1103/PhysRevD.99.115013

Revisiting the LHC reach in the displaced region of the minimal left-right symmetric model

Giovanna Cottin, Juan Carlos Helo, Martin Hirsch, Dario Silva

Faculty of Liberal Arts

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We revisit discovery prospects for a long-lived sterile neutrino N at the LHC in the context of left-right symmetric theories. We focus on a displaced vertex search strategy sensitive to O(GeV) neutrino masses produced via a right-handed WR boson. Both on-shell and off-shell Drell-Yan production of WR are considered. We estimate the reach as a function of mN and mWR. With s=13 TeV and 300/fb of integrated luminosity, the LHC can probe neutrino masses as high as approximately 30 GeV and mWR around 6 TeV. The reach goes up to 11.5 TeV with 3000/fb and mN∼45 GeV. This represents an improvement of a factor of 2 in sensitivity with respect to earlier work.

Original language	English
Article number	115013
Journal	Physical Review D
Volume	99
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.99.115013
State	Published - 10 Jun 2019

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title = "Revisiting the LHC reach in the displaced region of the minimal left-right symmetric model",

abstract = "We revisit discovery prospects for a long-lived sterile neutrino N at the LHC in the context of left-right symmetric theories. We focus on a displaced vertex search strategy sensitive to O(GeV) neutrino masses produced via a right-handed WR boson. Both on-shell and off-shell Drell-Yan production of WR are considered. We estimate the reach as a function of mN and mWR. With s=13 TeV and 300/fb of integrated luminosity, the LHC can probe neutrino masses as high as approximately 30 GeV and mWR around 6 TeV. The reach goes up to 11.5 TeV with 3000/fb and mN∼45 GeV. This represents an improvement of a factor of 2 in sensitivity with respect to earlier work.",

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N2 - We revisit discovery prospects for a long-lived sterile neutrino N at the LHC in the context of left-right symmetric theories. We focus on a displaced vertex search strategy sensitive to O(GeV) neutrino masses produced via a right-handed WR boson. Both on-shell and off-shell Drell-Yan production of WR are considered. We estimate the reach as a function of mN and mWR. With s=13 TeV and 300/fb of integrated luminosity, the LHC can probe neutrino masses as high as approximately 30 GeV and mWR around 6 TeV. The reach goes up to 11.5 TeV with 3000/fb and mN∼45 GeV. This represents an improvement of a factor of 2 in sensitivity with respect to earlier work.

AB - We revisit discovery prospects for a long-lived sterile neutrino N at the LHC in the context of left-right symmetric theories. We focus on a displaced vertex search strategy sensitive to O(GeV) neutrino masses produced via a right-handed WR boson. Both on-shell and off-shell Drell-Yan production of WR are considered. We estimate the reach as a function of mN and mWR. With s=13 TeV and 300/fb of integrated luminosity, the LHC can probe neutrino masses as high as approximately 30 GeV and mWR around 6 TeV. The reach goes up to 11.5 TeV with 3000/fb and mN∼45 GeV. This represents an improvement of a factor of 2 in sensitivity with respect to earlier work.

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Revisiting the LHC reach in the displaced region of the minimal left-right symmetric model

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