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Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum. / Borisyuk, P. V.; Kolachevsky, N. N.; Taichenachev, A. V. et al.

In: Physical Review C, Vol. 100, No. 4, 044306, 10.10.2019.

Research output: Contribution to journal › Article › peer-review

Harvard

Borisyuk, PV, Kolachevsky, NN, Taichenachev, AV, Tkalya, EV, Tolstikhina, IY & Yudin, VI 2019, 'Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum', Physical Review C, vol. 100, no. 4, 044306. https://doi.org/10.1103/PhysRevC.100.044306

APA

Borisyuk, P. V., Kolachevsky, N. N., Taichenachev, A. V., Tkalya, E. V., Tolstikhina, I. Y., & Yudin, V. I. (2019). Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum. Physical Review C, 100(4), [044306]. https://doi.org/10.1103/PhysRevC.100.044306

Vancouver

Borisyuk PV, Kolachevsky NN, Taichenachev AV, Tkalya EV, Tolstikhina IY, Yudin VI. Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum. Physical Review C. 2019 Oct 10;100(4):044306. doi: 10.1103/PhysRevC.100.044306

Author

Borisyuk, P. V. ; Kolachevsky, N. N. ; Taichenachev, A. V. et al. / Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum. In: Physical Review C. 2019 ; Vol. 100, No. 4.

BibTeX

@article{1e3be6f786d24aada5416efe31a1c176,
title = "Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum",
abstract = "The paper studies the excitation of the Th229 nucleus to the anomalously low-lying isomeric state 3/2+(8.28±0.17 eV) in the electron bridge process via the continuum of the electron spectrum. Resonant excitation of the nucleus was found to be always possible in the scheme, no matter where the electron levels of an atom or ion were located. Formulas for the excitation cross section by narrow and wide laser lines are obtained. In the resonance, where the process under consideration turns into laser photoionization followed by nuclear excitation in electron capture, the cross section of the process was shown to be comparable in magnitude with that of the photoionization of the thorium atom. Experimental schemes for testing the effect were proposed, which would allow measuring the frequency of the nuclear isomeric transition 3/2+→5/2+ to a high precision, which is the first-priority (and still unresolved) task for creating a nuclear clock.",
keywords = "ALPHA-DECAY, EXCITED-STATE, LASER-RADIATION, LEVEL, LOW-LYING ISOMER, NUCLEAR-EXCITATION, RESONANT EXCITATION, SEPARATION, TRANSITION",
author = "Borisyuk, {P. V.} and Kolachevsky, {N. N.} and Taichenachev, {A. V.} and Tkalya, {E. V.} and Tolstikhina, {I. Yu} and Yudin, {V. I.}",
year = "2019",
month = oct,
day = "10",
doi = "10.1103/PhysRevC.100.044306",
language = "English",
volume = "100",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Excitation of the low-energy Th 229m isomer in the electron bridge process via the continuum

AU - Borisyuk, P. V.

AU - Kolachevsky, N. N.

AU - Taichenachev, A. V.

AU - Tkalya, E. V.

AU - Tolstikhina, I. Yu

AU - Yudin, V. I.

PY - 2019/10/10

Y1 - 2019/10/10

N2 - The paper studies the excitation of the Th229 nucleus to the anomalously low-lying isomeric state 3/2+(8.28±0.17 eV) in the electron bridge process via the continuum of the electron spectrum. Resonant excitation of the nucleus was found to be always possible in the scheme, no matter where the electron levels of an atom or ion were located. Formulas for the excitation cross section by narrow and wide laser lines are obtained. In the resonance, where the process under consideration turns into laser photoionization followed by nuclear excitation in electron capture, the cross section of the process was shown to be comparable in magnitude with that of the photoionization of the thorium atom. Experimental schemes for testing the effect were proposed, which would allow measuring the frequency of the nuclear isomeric transition 3/2+→5/2+ to a high precision, which is the first-priority (and still unresolved) task for creating a nuclear clock.

AB - The paper studies the excitation of the Th229 nucleus to the anomalously low-lying isomeric state 3/2+(8.28±0.17 eV) in the electron bridge process via the continuum of the electron spectrum. Resonant excitation of the nucleus was found to be always possible in the scheme, no matter where the electron levels of an atom or ion were located. Formulas for the excitation cross section by narrow and wide laser lines are obtained. In the resonance, where the process under consideration turns into laser photoionization followed by nuclear excitation in electron capture, the cross section of the process was shown to be comparable in magnitude with that of the photoionization of the thorium atom. Experimental schemes for testing the effect were proposed, which would allow measuring the frequency of the nuclear isomeric transition 3/2+→5/2+ to a high precision, which is the first-priority (and still unresolved) task for creating a nuclear clock.

KW - ALPHA-DECAY

KW - EXCITED-STATE

KW - LASER-RADIATION

KW - LEVEL

KW - LOW-LYING ISOMER

KW - NUCLEAR-EXCITATION

KW - RESONANT EXCITATION

KW - SEPARATION

KW - TRANSITION

UR - http://www.scopus.com/inward/record.url?scp=85073829202&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.100.044306

DO - 10.1103/PhysRevC.100.044306

M3 - Article

AN - SCOPUS:85073829202

VL - 100

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 4

M1 - 044306

ER -

ID: 21992861