The Mu2e Experiment

Abstract

The Mu2e experiment will search for the charged-lepton flavor violating (CLFV) neutrino-less conversion of a negative muon into an electron in the field of a nucleus. The conversion process results in a monochromatic electron with an energy of 104.97 MeV, slightly below the muon rest mass. The goal of the experiment is to improve the previous upper limit by four orders of magnitude and reach a SES (single event sensitivity) of $3\times 10^{-17}$ on the conversion rate, a 90\% CL of $8\times 10^{-17}$, and a $5\sigma$ discovery reach at $2\times 10^{-16}$. The experiment will use an intense pulsed negative muon beam. The pulsed beam is essential to reducing backgrounds. The other essential element is a sophisticated magnetic system composed of three consecutive solenoids that form the muon beam. Mu2e will use an aluminum target and examine $\sim 10^{18}$ stopped muons in three years of running. The Mu2e experiment is under design and construction at the Fermilab Muon Campus. The experiment will begin operations in 2022 and will require about three years of data-taking. Upgrades to other materials than aluminum are already being planned. This article is written specifically for younger researchers to bridge the gap between conference presentations and detailed design reports, and examines issues not covered in the former without the details of the latter.

References in corpus (14)

• A Unified Approach to the Classical Statistical Analysis of Small Signals
• Muon Decay and Physics Beyond the Standard Model
• Charged Lepton Flavor Violation: An Experimenter's Guide
• Lepton Flavor and Number Conservation, and Physics Beyond the Standard Model
• On the model discriminating power of mu -> e conversion in nuclei
• A new evaluation of the antiproton production cross section for cosmic ray studies
• Muon decay in orbit: spectrum of high-energy electrons
• Michel decay spectrum for a muon bound to a nucleus
• On Lepton-Number-Violating Searches for Muon to Positron Conversion
• ${\mathbf{\mu }}^{-}$- ${\mathbf{e}}^{+}$ conversion in upcoming LFV experiments
• Photoelectron Yields of Scintillation Counters with Embedded Wavelength-Shifting Fibers Read Out With Silicon Photomultipliers
• Muon number violating processes in nuclei
• The Mu2e undoped CsI crystal calorimeter
• A Panel Prototype for the Mu2e Straw Tube Tracker at Fermilab

Cited by in corpus (23)

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• All orders factorization and the Coulomb problem
• Effective theory tower for $\mu \to e$ conversion
• Next-to-leading order scalar contributions to $\mu \to e$ conversion
• Field Theory of the Fermi Function
• Neutrino Masses from Low Scale Partial Compositeness
• Searching for new physics at $\mu \to e$ facilities with ${\mu }^{+}$ and ${\pi }^{+}$ decays at rest
• Controlled fermion mixing and FCNCs in a $\Delta (27)$ 3+1 Higgs Doublet Model
• Measurement of the Atmospheric Muon Rate with the MicroBooNE Liquid Argon TPC
• Exploring the Flavor Symmetry Landscape
• Distinguishing charged lepton flavor violation scenarios with inelastic $\mu \to e$ conversion
• Lepton flavor violation from SUSY with non-universal scalars
• Decay of a bound muon into a bound electron
• Complex Networks in the Framework of Nonassociative Geometry
• A Review of $\mu \to eee$, $\mu \to e\gamma$ and $\mu N\to eN$ Conversion
• Gauge $SU(2{)}_f$ flavour transfers
• The high energy spectrum of internal positrons from radiative muon capture on nuclei
• A Search for Charged Lepton Flavor Violation in the Mu2e Experiment
• nuSTORM as a Precision Probe of the Standard Model and New Physics
• Direct Detection of Ultralight Dark Matter via Charged Lepton Flavor Violation
• Bounds on charged-lepton flavor violations via resonant scattering