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First On-line beta-NMR on oriented nuclei: magnetic dipole moments of the (nup(1/2))(-1) 1/2(-) ground state in 67Ni and (pip(3/2))(+1) 3/2(-) ground state in 69Cu

Autor: Rikovska, J, Giles, T, Stone, N, K, van Esbroeck, White, G, Wohr, A, Veskovic, M, Towner, I, Mantica, P, Prisciandaro, J, Morrissey, D, Fedoseyev, V, Mishin, V, Koster, U, Walters, W

The first fully on-line use of the angular distribution of beta emission in detection of NMR of nuclei oriented at low temperatures is reported. The magnetic moments of the single valence particle, intermediate mass, isotopes 67Ni(nup(-1)(1/2);1/2(-)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1064::5173aaeac94c2b6c73104e07a5760490
https://doi.org/10.1103/physrevlett.85.1392

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β-decay matrix elements from the study of asymmetric emission from polarised nuclei: γ-tagging - A new method for complex β-decay

Autor: Tim Giles, Williams, D. A., Stone, N. J., Rikovska, J.

Publikováno v: Scopus-Elsevier

A new method is introduced designed to facilitate study of matrix elements in complex β-decay through the measurement of asymmetric β-emission from a low-temperature polarised source. The method involves coincident detection of the β-emission with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e37c8b2ed8daf9ae2893825a658f0f3e
https://ora.ox.ac.uk/objects/uuid:ca7ba4dc-9cc0-4e27-86fe-410b502ecae7

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HYPERFINE INTERACTIONS, INCLUDING BHF[FRFE], STUDIED IN THE DECAY CHAIN OF RA-225 BY ALPHA-ANISOTROPY AND GAMMA-ANISOTROPY MEASUREMENTS

Autor: LINDROOS, M, RICHARDS, P, RIKOVSKA, J, STONE, N, OLIVEIRA, I, NISHIMURA, K, BOOTH, M

A low temperature nuclear orientation experiment has been performed on the 14.8d225Ra activity. Gamma anistotropy [221Fr (4.8m) and213Bi (45.6m)] and alpha anisotropy [225Ac (10.0d),221Fr,217At (32.3ms) and209Po (4.2μs)] measurements has been carrie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6bbc90f0ec999d1e8b0e3c86b93a5986
https://ora.ox.ac.uk/objects/uuid:f29cd316-362d-4eaa-ad25-1fd0d71dec3d

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Quantum barrier penetration studies with oriented nuclei: Proton and neutron emission from exotic isotopes

Autor: Stone, NJ, Rikovska, J, Punan, S, Woehr, A

We report a programme of novel experiments involving direct proton emission and beta-delayed proton and neutron emission for exotic nuclei oriented at low temperatures. Full modelling of the quantum tunneling and angular distribution has been made fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ba83089c98f1e36aa947a9386d4816cb
https://doi.org/10.1023/a:1020579931483

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E0 TRANSITIONS IN THE MID-SHELL EVEN-EVEN XE NUCLIDES - DECAY OF 31-S CS-124 TO LEVELS OF XE-124

Autor: WALTERS, W, RIKOVSKA, J, STONE, N, SHAW, T, WALKER, P, GRANT, I

The results of measurement of the gamma-ray and conversion-electron singles and coincidence spectra from the decay of 31-s124Cs to levels of124Xe are reported. Previously unobserved E0 transitions are identified and the X factors associated with thei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b217341c3f101ad7d90d682e928af783
https://doi.org/10.1007/bf02398314

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Shell-model and Hartree-Fock calculations for even-mass O, Ne, and Mg nuclei

Autor: Siiskonen, T, Lipas, PO, Rikovska, J

Shell-model and deformed Hartree-Fock plus BCS calculations are reported for even-even nuclei 18-30O, 18-36Ne, and 20-42Mg; shell-model calculations additionally included 38,40Ne and 44,46,48Mg. Ground-state binding energies and 2+1 quadrupole moment

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::db870dd4179dfb7156bc6f2cafb42126
https://ora.ox.ac.uk/objects/uuid:bce978be-7eb4-418a-a7ff-48a178c80abe

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New on-line NMR/ON nuclear magnetic dipole moments near 132Sn: I. At the shell closure: Meson exchange current effects

Autor: Stone, N. J., White, G. N., Rikovska, J., Ohya, S., Giles, T. J., Towner, I. S., Brown, B. A., Fogelberg, B., Jacobsson, L., Morten Hjorth-Jensen

Publikováno v: Scopus-Elsevier

Recent on-line nuclear orientation measurements of nuclear magnetic dipole moments by the method of NMR on oriented nuclei (NMR/ON) have yielded significant new odd-A moments. These include those closest to double magic 132Sn, namely, 133Sb [132Sn pl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b2c5146b38566dbf14e1ffb4e373a08b
https://ora.ox.ac.uk/objects/uuid:644dc633-0ba3-40e6-948a-bb8caf219986

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