1.3k citations · 2.3k across the 26 of their papers we have counts for
27 papers
Muonium Spectroscopy as a Quantum Sensor for Ultralight Axion Dark Matter
Feng Fang, Kim Siang Khaw, Ce Zhang +5
High-intensity muon beams could enable a Muonium-based Axion Search through resonant quantum transitions between Hyperfine states (MASH). Combining theoretical calculations with si…
Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb
The Muon $g-2$ Collaboration, :, D. P. Aguillard +193
A new measurement of the magnetic anomaly of the positive muon is presented based on data taken from 2020 to 2023 by the Muon Experiment at Fermi National Accelerator L…
A compact frozen-spin trap for the search for the electric dipole moment of the muon
A. Adelmann, A. R. Bainbridge, I. Bailey +57
The electric dipole moments~(EDM) of fundamental particles inherently violate parity~(P) and time-reversal~(T) symmetries. By virtue of the CPT theorem in quantum field theory, the…
Detailed Report on the Measurement of the Positive Muon Anomalous Magnetic Moment to 0.20 ppm
D. P. Aguillard, T. Albahri, D. Allspach +190
We present details on a new measurement of the muon magnetic anomaly, . The result is based on positive muon data taken at Fermilab's Muon Campus during the 2019 an…
Measurement of the Positive Muon Anomalous Magnetic Moment to 0.20 ppm
D. P. Aguillard, T. Albahri, D. Allspach +188
We present a new measurement of the positive muon magnetic anomaly, , from the Fermilab Muon Experiment using data collected in 2019 and 2020. We ha…
Status of the muEDM experiment at PSI
Kim Siang Khaw, Cheng Chen, Massimo Giovannozzi +7
Permanent electric dipole moments (EDMs) are excellent probes of physics beyond the Standard Model, especially on new sources of CP violation. The muon EDM has recently attracted s…
A Pulsed Muon Source Based on a High-Repetition-Rate Electron Accelerator
Meng Lv, Jiangtao Wang, Kim Siang Khaw
Muons have established a unique and pivotal role in both fundamental physics and applied sciences. Given that a typical muon experiment spans roughly ten muon lifetimes, the optima…
A Large Muon EDM from Dark Matter
Kim Siang Khaw, Yuichiro Nakai, Ryosuke Sato +2
We explore a model of dark matter (DM) that can explain the reported discrepancy in the muon anomalous magnetic moment and predict a large electric dipole moment (EDM) of the muon.…
Beam-Based Diagnostics of Electric Guide Fields and Lattice Parameters for Run-1 of the Muon g-2 Storage Ring at Fermilab
David Tarazona, Martin Berz, Jason Crnkovic +6
A portion of the Muon g-2 Storage Ring electric system, which provides vertical beam focusing, exhibited an unexpected time dependence that produced a characteristic evolution of t…
First observation of cyclotron radiation from MeV-scale following nuclear beta decay
W. Byron, H. Harrington, R. J. Taylor +30
We present an apparatus for detection of cyclotron radiation that allows a frequency-based beta energy determination in the 5 keV to 5 MeV range, characteristic of nuclear beta dec…
muEDM: Towards a search for the muon electric dipole moment at PSI using the frozen-spin technique
Mikio Sakurai, Andreas Adelmann, Malte Backhaus +8
The search for a permanent electric dipole moment (EDM) of the muon is an excellent probe for physics beyond the Standard Model of particle physics. We propose the first dedicated…
Muon : A review
Alex Keshavarzi, Kim Siang Khaw, Tamaki Yoshioka
The muon magnetic anomaly, , plays a special role in the history of the Standard Model (SM). Precise calculations and measurements of this fundamental quantity provi…
Beam dynamics corrections to the Run-1 measurement of the muon anomalous magnetic moment at Fermilab
T. Albahri, A. Anastasi, K. Badgley +174
This paper presents the beam dynamics systematic corrections and their uncertainties for the Run-1 data set of the Fermilab Muon g-2 Experiment. Two corrections to the measured muo…
Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm
B. Abi, T. Albahri, S. Al-Kilani +234
We present the first results of the Fermilab Muon g-2 Experiment for the positive muon magnetic anomaly . The anomaly is determined from the precision measurem…
Magnetic Field Measurement and Analysis for the Muon g-2 Experiment at Fermilab
T. Albahri, A. Anastasi, K. Badgley +170
The Fermi National Accelerator Laboratory has measured the anomalous precession frequency of the muon to a combined precision of 0.46 parts per million with…
Search for a muon EDM using the frozen-spin technique
A. Adelmann, M. Backhaus, C. Chavez Barajas +35
This letter of intent proposes an experiment to search for an electric dipole moment of the muon based on the frozen-spin technique. We intend to exploit the high electric field, $…
Demonstration of Muon-Beam Transverse Phase-Space Compression
A. Antognini, N. J. Ayres, I. Belosevic +16
We demonstrate efficient transverse compression of a 12.5 MeV/c muon beam stopped in a helium gas target featuring a vertical density gradient and crossed electric and magnetic fie…
The laser-based gain monitoring system of the calorimeters in the Muon experiment at Fermilab
A. Anastasi, A. Basti, F. Bedeschi +41
The Muon experiment, E989, is currently taking data at Fermilab with the aim of reducing the experimental error on the muon anomaly by a factor of four and possibly clarifyin…
Performance of the Muon calorimeter and readout systems measured with test beam data
K. S. Khaw, M. Bartolini, H. Binney +31
A single calorimeter station for the Muon experiment at Fermilab includes the following subsystems: a 54-element array of PbF Cherenkov crystals read out by large-area…
muCool: A novel low-energy muon beam for future precision experiments
I. Belosevic, A. Antognini, Y. Bao +15
Experiments with muons () and muonium atoms () offer several promising possibilities for testing fundamental symmetries. Examples of such experiments include sea…
muCool: A next step towards efficient muon beam compression
A. Antognini, Y. Bao, I. Belosevic +15
A novel device to compress the phase space of a muon beam by a factor of with a efficiency is under development. A surface muon beam is stopped in a helium gas…
Expression of Interest for Evolution of the Mu2e Experiment
F. Abusalma, D. Ambrose, A. Artikov +124
We propose an evolution of the Mu2e experiment, called Mu2e-II, that would leverage advances in detector technology and utilize the increased proton intensity provided by the Fermi…
Design and performance of SiPM-based readout of PbF2 crystals for high-rate, precision timing applications
J. Kaspar, A. T. Fienberg, D. W. Hertzog +19
We have developed a custom amplifier board coupled to a large-format 16-channel Hamamatsu silicon photomultiplier device for use as the light sensor for the electromagnetic calorim…
Spatial confinement of muonium atoms
K. S. Khaw, A. Antognini, T. Prokscha +4
We report the achievement of spatial confinement of muonium atoms (the bound state of a positive muon and an electron). Muonium emitted into vacuum from mesoporous silica reflects…