A Poisson-process model of quantum geometry produces emergent classical spacetime, quantum kinematics, and dark energy drift, enabling UV-finite QFT, topological SM hierarchies, non-singular cosmology, and emergent QM axioms, with a 6 TeV field cutoff.
Mu2e Technical Design Report
11 Pith papers cite this work. Polarity classification is still indexing.
abstract
The Mu2e experiment at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The experiment's sensitivity offers discovery potential over a wide array of new physics models and probes mass scales well beyond the reach of the LHC. We describe herein the preliminary design of the proposed Mu2e experiment. This document was created in partial fulfillment of the requirements necessary to obtain DOE CD-2 approval.
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Ultralight scalar dark matter amplifies the lepton-flavor-violating muon-to-positron conversion rate via an effective Majorana mass m_μe, yielding new constraints on flavor-off-diagonal neutrino couplings from SINDRUM II, COMET, and Mu2e bounds.
Global EFT analysis of charged lepton-flavor violation at future colliders incorporates RG running, polarization, and Bayesian discrimination to identify operators, finding 10-30% shifts from tree-level mappings at multi-TeV scales.
Time-dependent current measurements from an 55Fe source during gas exchange identify straw channels with poor gas conductance in the Mu2e tracker.
Spontaneous wash-in leptogenesis in Type II Seesaw with Majoron pNGB background enables baryon asymmetry generation alongside dark matter cogenesis for specific v_T, v_sigma and m_j ranges.
DREAMuS proposes a muon-beam fixed-target setup at HIAF to probe GeV-scale muon-philic dark matter with sensitivity to couplings around 10^{-4} using background-suppressed signatures from a light flavor-violating mediator.
Simulations of the positron transport system for MACE report 65.81% geometric acceptance, 88 by 102 micrometer position resolution, and 6.9 ns transit time spread enabling 10 to the minus 7 background rejection.
Global analysis constrains fermionic DM to 120-350 GeV and CP-odd scalar to 350-600 GeV in a scotogenic extension, with DESI potentially ruling out inverted neutrino hierarchy and Z invisible width compatible with data at 3 sigma.
The review summarizes the baseline SM+GR+Lambda-CDM framework, lists major anomalies and missing pieces, surveys theoretical and experimental approaches, and outlines a staged roadmap organized by decision points.
Review summarizing motivations, challenges, and construction status for experiments searching for lepton flavour violating muon decays such as μ→eγ, μ→e conversion, and μ→eee.
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Fundamental Physics in 2025: Status, Decisive Targets, and Path Forward
The review summarizes the baseline SM+GR+Lambda-CDM framework, lists major anomalies and missing pieces, surveys theoretical and experimental approaches, and outlines a staged roadmap organized by decision points.