Resonance Method of Electric-Dipole-Moment Measurements in Storage Rings.

ORLOV, Y.F.; MORSE, W.M.; SEMERTZIDIS, Y.K.

doi:10.2172/884642

Cited by 13 publications

(18 citation statements)

References 7 publications

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“…(34). We consider only the resonance mode (37). The angular velocity of the spin rotation in the cylindrical coordinates is given by (β = βe φ )…”

Section: Distinguishing Features Of a Quasimagnetic Resonance In Stormentioning

confidence: 99%

General classical and quantum-mechanical description of magnetic resonance: an application to electric-dipole-moment experiments

Silenko

2017

Eur. Phys. J. C

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A general theoretical description of a magnetic resonance is presented. This description is necessary for a detailed analysis of spin dynamics in electric-dipole-moment experiments in storage rings. General formulas describing a behavior of all components of the polarization vector at the magnetic resonance are obtained for an arbitrary initial polarization. These formulas are exact on condition that the nonresonance rotating field is neglected. The spin dynamics is also calculated at frequencies far from resonance with allowance for both rotating fields. A general quantummechanical analysis of the spin evolution at the magnetic resonance is fulfilled and the full agreement between the classical and quantum-mechanical approaches is shown. Quasimagnetic resonances for particles and nuclei moving in noncontinuous perturbing fields of accelerators and storage rings are considered. Distinguishing features of quasimagnetic resonances in storage ring electric-dipole-moment experiments are investigated in detail. The exact formulas for the effect caused by the electric dipole moment are derived. The difference between the resonance effects conditioned by the rf electric-field flipper and the rf Wien filter is found and is calculated for the first time. The existence of this difference is crucial for the establishment of a consent between analytical derivations and computer simulations and for checking spin tracking programs. The main systematical errors are considered.

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“…(34). We consider only the resonance mode (37). The angular velocity of the spin rotation in the cylindrical coordinates is given by (β = βe φ )…”

Section: Distinguishing Features Of a Quasimagnetic Resonance In Stormentioning

confidence: 99%

General classical and quantum-mechanical description of magnetic resonance: an application to electric-dipole-moment experiments

Silenko

2017

Eur. Phys. J. C

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“…With more nuclei, one can collect more pieces of the puzzle. 3 He and 3 H are interesting because there is no selection rule suppressing the contribution ofḡ 0 . A calculation that used an "hybrid" approch, i.e the EFT / P/ T potential of Ref.…”

Section: Pos(cd12)077mentioning

confidence: 99%

“…As a consequence, a rich experimental program in under way, with the goal to improve the bounds on the neutron and atomic EDMs by one/two orders of magnitude by the end of the decade. Furthermore, new techniques have been proposed to measure the EDMs of light ions (the proton, the deuteron, and, possibly, other light nuclei) directly, and with the same accuracy as EDMs of neutral particles, in storage ring experiments [3].…”

Section: Introductionmentioning

confidence: 99%

Time-reversal violation and electric dipole moments

Mereghetti¹

2013

Proceedings of the 7th International Workshop on Chiral Dynamics — PoS(CD12)

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I present the calculation of the EDM of the nucleon, deuteron, helion and triton induced by the QCDθ term, and by the minimal set of dimension-six parity and time-reversal violating operators. Using the tools of chiral EFT, I discuss how different symmetry properties of P and T violating operators at the quark-gluon level imply qualitatively different relations between observables in the one, two and three-nucleon sector. If experimentally observed, these relations would provide important clues to connect time-reversal violation in hadronic systems to its fundamental, microscopic source.

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“…The limitation imposed by the radial electric field can be avoided by yet another technique, the so-called resonance method [13]. For a time dependent velocity β 0 + δβ(t) generated by an oscillating longitudinal electric field E RF (t) and a constant magnetic field, the spin evolution follows from…”

Section: Spin Resonancementioning

confidence: 99%

Light ion EDM search in magnetic storage rings

Onderwater

2006

Hyperfine Interact

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Permanent electric dipole moments (EDMs) violate parity and timereversal symmetry. Within the Standard Model (SM), they require CP violation and are many orders of magnitude below present experimental sensitivity. Many extensions of the SM predict much larger EDMs, which are therefore an excellent probe for the existence of 'new physics.' So far only electrically neutral systems were used for sensitive searches of EDMs. Several techniques, based on storing fast particles in a magnetic storage ring, are being developed to probe charged particles for an EDM. With the introduction of these novel experimental methods, high sensitivity for charged systems, in particular light nuclei, is within reach.

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Resonance Method of Electric-Dipole-Moment Measurements in Storage Rings.

Cited by 13 publications

References 7 publications

General classical and quantum-mechanical description of magnetic resonance: an application to electric-dipole-moment experiments

General classical and quantum-mechanical description of magnetic resonance: an application to electric-dipole-moment experiments

Time-reversal violation and electric dipole moments

Light ion EDM search in magnetic storage rings

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