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A theoretical analysis is performed of Penning-trap experiments testing CPT and Lorentz symmetry through measurements of anomalous magnetic moments and charge-to-mass ratios. Possible CPT and Lorentz violations arising from spontaneous…

High Energy Physics - Phenomenology · Physics 2009-09-25 Robert Bluhm , Alan Kostelecky , Neil Russell

The theoretical and experimental prospects for Lorentz- and CPT-violating quantum electrodynamics in Penning traps are reviewed in this work. With the recent reported results for the measurements of magnetic moments for both protons and…

High Energy Physics - Phenomenology · Physics 2019-06-12 Yunhua Ding

We present a theoretical analysis of signals for CPT and Lorentz violation in g-2 and charge-to-mass-ratio experiments on electrons and positrons in Penning traps. Experiments measuring anomaly frequencies are found to be the most sensitive…

High Energy Physics - Phenomenology · Physics 2009-10-31 Robert Bluhm , Alan Kostelecky , Neil Russell

This talk discusses the sensitivity of electron-positron and proton-antiproton Penning-trap experiments to CPT- and Lorentz-violating effects in the context of an extension of the minimal standard model and quantum electrodynamics.

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Bluhm , Alan Kostelecky , Neil Russell

An overview of recent progress on testing Lorentz and CPT symmetry using Penning traps is presented. The theory of quantum electrodynamics with Lorentz-violating operators of mass dimensions up to six is summarized. Dominant shifts in the…

High Energy Physics - Phenomenology · Physics 2021-09-17 Yunhua Ding , Teague D. Olewiler , Mohammad Farhan Rawnak

The CPT theorem has been tested to very high precision in a variety of experiments involving particles and antiparticles confined within Penning traps. These tests include comparisons of anomalous magnetic moments and charge-to-mass ratios…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Bluhm

An overview of recent progress on searches for Lorentz- and CPT-violating signals with confined particles and antiparticles in Penning traps is presented. In the context of the Standard-Model Extension (SME), leading-order shifts in the…

High Energy Physics - Phenomenology · Physics 2022-08-02 Yunhua Ding

A review of recent theoretical work investigating tests of Lorentz and CPT symmetry in atomic and particle systems is presented. A variety of tests in matter and antimatter are discussed, including measurements of anomalous magnetic moments…

High Energy Physics - Phenomenology · Physics 2015-06-25 Robert Bluhm

Possibilities for testing Lorentz symmetry using precision experiments with antiprotons in Penning traps and with antihydrogen spectroscopy are reviewed. Estimates of bounds on relevant coefficients for Lorentz violation in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Neil Russell

A modified Dirac equation with general Lorentz- and CPT-violating operators in the electromagnetic field is studied. Constraints on and possible sensitivities to Lorentz-violating coefficients in the nonminimal sector up to mass-dimension…

High Energy Physics - Phenomenology · Physics 2016-10-31 Yunhua Ding

Applications of the general theory of quantum electrodynamics with Lorentz- and CPT-violating operators of mass dimensions up to six are presented to Penning-trap experiments comparing charge-to-mass ratios between particles and…

High Energy Physics - Phenomenology · Physics 2020-09-16 Yunhua Ding , Mohammad Farhan Rawnak

The theoretical prospects for quantum electrodynamics with Lorentz-violating operators of mass dimensions up to six are revisited in this work. The dominant effects due to Lorentz and CPT violation are studied in measurements of magnetic…

High Energy Physics - Phenomenology · Physics 2019-10-02 Yunhua Ding

Lorentz and CPT tests involving matter-antimatter comparisons at low temperatures are discussed. SME predictions for transition frequencies in such systems include both matter-antimatter differences and sidereal variations. In…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ralf Lehnert

The prospects are explored for testing Lorentz and CPT symmetry in the muon sector via the spectroscopy of muonium and various muonic atoms, and via measurements of the anomalous magnetic moments of the muon and antimuon. The effects of…

High Energy Physics - Phenomenology · Physics 2015-06-22 Andre H. Gomes , Alan Kostelecky , Arnaldo J. Vargas

We present in this work an analysis of Lorentz- and CPT-violating signals at linear boost order in Penning-trap experiments. The theory of quantum electrodynamics with Penning traps is revisited and the dominant shifts in the cyclotron and…

High Energy Physics - Phenomenology · Physics 2023-08-29 Ariam J. Acevedo-Lopez , Yunhua Ding , Kaito Iwasaki , Arnaldo J. Vargas

The prospects are explored for testing Lorentz- and CPT-violating quantum electrodynamics in experiments with Penning traps. We present the Lagrange density of Lorentz-violating spinor electrodynamics with operators of mass dimensions up to…

High Energy Physics - Phenomenology · Physics 2016-09-28 Yunhua Ding , Alan Kostelecky

Atomic physics can probe the Lorentz and CPT symmetries at the Planck level. Bounds on coefficients for Lorentz violation have been found using atomic clocks, masers, electromagnetic cavities, and Penning traps, among others, and in future…

High Energy Physics - Phenomenology · Physics 2009-11-11 Neil Russell

This talk discusses theoretical aspects of tests of CPT and Lorentz Symmetry that will in principle be possible with trapped antihydrogen. The framework is the standard-model extension, which admits minuscule violations of CPT and Lorentz…

High Energy Physics - Phenomenology · Physics 2007-05-23 Neil Russell

Precision experiments with muons are sensitive to Planck-scale CPT and Lorentz violation that is undetectable in other tests. Existing data on the muonium ground-state hyperfine structure and on the muon anomalous magnetic moment could be…

High Energy Physics - Phenomenology · Physics 2009-09-25 Robert Bluhm , Alan Kostelecky , Charles Lane

A general theoretical framework that incorporates possible CPT and Lorentz violation in an extension of the standard model and in quantum electrodynamics has been developed over the last decade. The framework originates in the idea that CPT…

High Energy Physics - Phenomenology · Physics 2007-05-23 Neil Russell
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