Modeling heavy neutral leptons in accelerator beamlines

Plows, K.-J.; Lu, X.-G.

doi:10.1103/physrevd.107.055003

Cited by 3 publications

(1 citation statement)

References 134 publications

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“…Refs. [26,27]. Moreover, recasting works on the sensitivities of these experiments can be found in e.g.…”

Section: Introductionmentioning

confidence: 99%

A C++ program for estimating detector sensitivities to long-lived particles: displaced decay counter

Domingo,

Günther,

Kim

et al. 2024

Eur. Phys. J. C

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A series of far-detector programs have been proposed for operation at various interaction points of the large hadron collider during the upcoming runs. Investigating the potential and complementarity of these experiments for new-physics searches goes through the estimation of their sensitivity to specific long-lived particle models. Here, we present an integrated numerical tool written in the C++ language and called , which we have created to this end and which can be used in association with , , or any other state-of-the-art Monte-Carlo collider simulation tool. Several far-detector models have been implemented within the program, accounting for the geometry and integrated luminosity of projected detectors. Additional or more accurate designs can be easily constructed through a dedicated interface. The functionality of this tool is exemplified through the discussion of several benchmark scenarios, which we consider for the validation of the implemented detector models.

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“…Refs. [26,27]. Moreover, recasting works on the sensitivities of these experiments can be found in e.g.…”

Section: Introductionmentioning

confidence: 99%

A C++ program for estimating detector sensitivities to long-lived particles: displaced decay counter

Domingo,

Günther,

Kim

et al. 2024

Eur. Phys. J. C

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Long-lived neutral fermions at the DUNE near detector

Günther,

de Vries,

Dreiner

et al. 2024

J. High Energ. Phys.

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At the Deep Underground Neutrino Experiment (DUNE), a proton beam hits a fixed target leading to large production rates of mesons. These mesons can decay and potentially provide a source of long-lived neutral fermions. Examples of such long-lived fermions are heavy neutral leptons which can mix with the standard-model active neutrinos, and the bino-like lightest neutralino in R-parity-violating supersymmetry. We show that the Standard Model Effective Field Theory extended with right-handed singlet neutrinos can simultaneously describe heavy neutral leptons and bino-like neutralinos in a unified manner. We use the effective-field-theory framework to determine the sensitivity reach of the DUNE near detector in probing various scenarios of long-lived neutral fermions.

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