Theory of Nuclear Magnetic Resonance Detected by Nuclear Radiations

Matthias, E.; Olsen, Brad; Shirley, D. A.; Templeton, J. E.; Steffen, R.M.

doi:10.1103/physreva.4.1626

Cited by 75 publications

(37 citation statements)

References 37 publications

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“…The first two groups measured the 7-anisotropy as a function of the temperature and fitted the quantity hf ]~ lOSRh " B (RhVe) to their data. The agreement with the hyperfine field determined by PAC-NMR [35] is, however, not a proof for the assumption made that 100 ~o of the Rh nuclei experience this hyperfine field. If a few percent on non-substitutional sites would see a small or no hyperfine field, this would not have been detected in their analysis.…”

Section: B(e2)ii (392 Kev)=007(4) B(e2)ii (2~ ~0+))mentioning

confidence: 36%

Magnetic dipole moments of excited states of105Pd and other spectroscopic investigations in the decay of105g Ag

et al. 1981

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The IPAC-method has been used with the external magnetic field of 9.0T of a split coil superconducting magnet and with the internal field of PdF__~e for a measurement of The half-life of the 645 keV state has been redetermined by use of cooled thallium free NaI detectors as T1/2 (645 keY)= 126(2) ps. >7 directional correlations were measured with a system of three large Ge planar diodes for the cascades 443-645 keV, 332-319keV, 393-280keV, and 64-280keV and analyzed in terms of dipole quadrupole mixing ratios of the ?,-lines involved. The spin of the 673 keV state was derived as 1/2 +.

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Section: B(e2)ii (392 Kev)=007(4) B(e2)ii (2~ ~0+))mentioning

confidence: 36%

Magnetic dipole moments of excited states of105Pd and other spectroscopic investigations in the decay of105g Ag

et al. 1981

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“…Resonant destruction of part of the initial polarization is induced by every frequency that fulfills the condition 22,23]. The quadrupole frequency is deduced from the distance between the 2I equidistant resonance frequencies [Figs.…”

Section: Experimental Setup and Measuring Proceduresmentioning

confidence: 99%

New measurement and reevaluation of the nuclear magnetic andquadrupole moments ofLi8andLi9<

et al. 2005

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The nuclear magnetic moment of 9 Li and the quadrupole moments of 8 Li and 9 Li have been measured by use of the β-asymmetry detection of nuclear magnetic resonance on optically polarized beams at ISOLDE/CERN. The radioactive beams were implanted in Si for g-factor measurements and in Zn, LiNbO 3 , and LiTaO 3 crystals for quadrupole moment measurements. The electric-field gradient V zz = 4.26(4) × 10 15 V/cm 2 is deduced for Li in Zn. Using a recently adopted reference value, Q( 7 Li) = −40.0(3) mb, we reevaluated all earlier reported nuclear quadrupole moments of 8 Li and 9 Li. Based on all available previous and present data, the adopted quadrupole moments for these isotopes are Q( 8 Li) = +31.4(2) mb and Q( 9 Li) = −30.6(2) mb. The magnetic moment of 9 Li is deduced as µ( 9 Li) = 3.43678(6)µ N . The values are compared with predictions from shell-model and cluster-model calculations.

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“…The theory of NMR detected by nuclear radiation has been extensively treated by Matthias et al [41] 9 They derived formulas for the line shape of the NMR signal under various experimental conditions 9 The items concerning our experiments are: Assuming Ho directed along the z axis, the rotating rf field in the x-y plane and the detectors placed at 0 ~ and 90 ~ degrees with respect to the z axis, the resonance curve at high rf power splits into a k-fold curve, where k is the order of orientation observed. * For high rf power the orientation will be completely destroyed at angular frequencies…”

Section: Nmr In/~-and 7-radopmentioning

confidence: 99%

Nuclear Radiation Detected Optical Pumping of neutron-deficient Hg isotopes

et al. 1976

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Abstract. The extension of the Nuclear Radiation Detected Optical Pumping method to mass-separated samples of isotopes far off stability is presented for a series of light Hg isotopes produced at the ISOLDE facility at CERN. The isotope under investigation is transferred by an automatic transfer system into the optical pumping apparatus. Zeeman scanning of an isotopically pure Hg spectral lamp is used to reach energetic coincidence with the hyperfine structure components of the 6 s 2 ~S 0 -6s 6p 3p~, 2 = 2,537 ~ resonance line of the investigated isotope and the Hg lamp. The orientation built up by optical pumping is monitored via the asymmetry or anisotropy of the nuclear radiation. Nuclear spins, magnetic moments, electric quadrupole moments and the isotope shifts are obtained for lSlHg-i91Hg using the/~ asymmetry as detector. The extension of the method using the 7 anisotropy is discussed and test measurements on 193Hg are presented. This paper describes the experimental procedure, results, and discussion are given in a following publication.

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Theory of Nuclear Magnetic Resonance Detected by Nuclear Radiations

Cited by 75 publications

References 37 publications

Magnetic dipole moments of excited states of105Pd and other spectroscopic investigations in the decay of105g Ag

Magnetic dipole moments of excited states of105Pd and other spectroscopic investigations in the decay of105g Ag

New measurement and reevaluation of the nuclear magnetic andquadrupole moments ofLi8andLi9<

Nuclear Radiation Detected Optical Pumping of neutron-deficient Hg isotopes

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