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| Description
| - A precise value for the magnetic moment of the As-69 5/2(-) ground state has been obtained from nuclear magnetic resonance on oriented nuclei (NMR/ON) using the NICOLE He-3-He-4 dilution refrigerator setup at ISOLDE/CERN. The NMR/ON signal was observed by monitoring the anisotropy of the As-69 beta particles. The center frequency nu[B-ext = 0.0994(10)T] = 169.98(9) MHz corresponds to mu[As-69] = +1.6229(16)mu(N). This result differs considerably from the pi f(5/2) single-particle value obtained with g factors for a free proton but is in reasonable agreement with the value obtained with effective g factors and with values from a core polarization calculation and from calculations in the framework of the interacting boson-fermion model. Assuming a single exponential spin-lattice relaxation behavior a relaxation time T-1' = 10(25) s was observed for (AsFe)-As-69 at a temperature of about 20 mK in a magnetic field B = 0.1 T.
- A precise value for the magnetic moment of the As-69 5/2(-) ground state has been obtained from nuclear magnetic resonance on oriented nuclei (NMR/ON) using the NICOLE He-3-He-4 dilution refrigerator setup at ISOLDE/CERN. The NMR/ON signal was observed by monitoring the anisotropy of the As-69 beta particles. The center frequency nu[B-ext = 0.0994(10)T] = 169.98(9) MHz corresponds to mu[As-69] = +1.6229(16)mu(N). This result differs considerably from the pi f(5/2) single-particle value obtained with g factors for a free proton but is in reasonable agreement with the value obtained with effective g factors and with values from a core polarization calculation and from calculations in the framework of the interacting boson-fermion model. Assuming a single exponential spin-lattice relaxation behavior a relaxation time T-1' = 10(25) s was observed for (AsFe)-As-69 at a temperature of about 20 mK in a magnetic field B = 0.1 T. (en)
- Přesná hodnota magnetického momentu základního 5/2(-) stavu jádra 69As byla určena metodou jaderné magnetické rezonance (JMR) na orientovaných jádrech na rozpouštěcím refrigerátoru NICOLE na ISOLDE v CERNu. Signál JMR byl sledován monitorováním asymetrie beta-částic emitovaných při rozpadu 69As. Nalezená rezonanční frekvence ?=169.98(9)MHz odpovídá hodnotě magnetického momentu ?[69As] =1.6229(16)?N. Tato hodnota se výrazně liší od jednočásticové hodnoty získané s použitím g-faktoru volného protonu, ale souhlasí s hodnotami počítanými s efektivní hodnotou g-faktoru či s hodnotami získanými v rámci výpočtů se započtením polarizace kóru či v rámci modelu interagujících bosonů a fermionů. Rovněž byl určen relaxační čas pro 69As v systému (AsFe) T1=10(25)s při teplotě ~20mK a magnetickém poli B=0.1T. (cs)
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| Title
| - Nuclear magnetic moment of As-69 from on-line beta-NMR on oriented nuclei
- Jaderný magnetický moment isotopu 69As určený metodou online beta-NMR na orientovaných jádrech (cs)
- Nuclear magnetic moment of As-69 from on-line beta-NMR on oriented nuclei (en)
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| skos:prefLabel
| - Nuclear magnetic moment of As-69 from on-line beta-NMR on oriented nuclei
- Jaderný magnetický moment isotopu 69As určený metodou online beta-NMR na orientovaných jádrech (cs)
- Nuclear magnetic moment of As-69 from on-line beta-NMR on oriented nuclei (en)
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| skos:notation
| - RIV/61389005:_____/05:00031842!RIV06-AV0-61389005
|
| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GA202/02/0848), P(GA202/99/0154), Z(AV0Z1048901)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
| |
| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/61389005:_____/05:00031842
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - ISOLDE-CERN; orientation; facility (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| |
| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Honusek, Milan
- Severijns, N.
- Zákoucký, Dalibor
- Vénos, Drahoslav
- Golovko, V. V.
- Koster, U.
- Srnka, Dušan
- Kraev, I.
- Delaure, B.
- Herzog, P.
- Phalet, T.
- Tramm, C.
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| http://linked.open...n/vavai/riv/zamer
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