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NSR database version of May 21, 2024.

Search: Author = B.Seiferle

Found 12 matches.

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2020BI05      Phys.Rev.Lett. 124, 192502 (2020)

P.V.Bilous, H.Bekker, J.C.Berengut, B.Seiferle, L.V.D.Wense, P.G.Thirolf, T.Pfeifer, J.R.C.Lopez-Urrutia, A.Palffy

Electronic Bridge Excitation in Highly Charged 229Th Ions

NUCLEAR REACTIONS Th(γ, X)229mTh, E<10 eV; calculated low-lying electronic energy levels in Th, nuclear EB excitation rate in the EBIT, Zeeman splitting and Doppler broadening of the absorbed photon energy.

doi: 10.1103/physrevlett.124.192502
Citations: PlumX Metrics


2020TH01      Acta Phys.Pol. B51, 561 (2020)

P.G.Thirolf, B.Seiferle, L.V.D.Wense, I.Amersdorffer, D.Moritz, J.Weitenberg

'Phase Transition' in the 'Thorium-Isomer Story'

doi: 10.5506/APhysPolB.51.561
Citations: PlumX Metrics


2020VO09      Eur.Phys.J. A 56, 176 (2020)

L.von der Wense, P.V.Bilous, B.Seiferle, S.Stellmer, J.Weitenberg, P.G.Thirolf, A.Palffy, G.Kazakov

The theory of direct laser excitation of nuclear transitions

doi: 10.1140/epja/s10050-020-00177-x
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2020VO15      Eur.Phys.J. A 56, 277 (2020)

L.von der Wense, B.Seiferle

The 229Th isomer: prospects for a nuclear optical clock

RADIOACTIVITY 229Th(IT); analyzed available data; deduced the development of a nuclear optical clock.

doi: 10.1140/epja/s10050-020-00263-0
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2019SE13      Nature(London) 573, 243 (2019)

B.Seiferle, L.von der Wense, P.V.Bilous, I.Amersdorffer, C.Lemell, F.Libisch, S.Stellmer, T.Schumm, C.E.Dullmann, A.Palffy, P.G.Thirolf

Energy of the 229Th nuclear clock transition

RADIOACTIVITY 229Th(IT); measured decay products, Eγ, Iγ; deduced transition energy of this isomeric state to the ground state with an uncertainty of 0.17 electronvolts (one standard deviation) using spectroscopy of the internal conversion electrons emitted in flight during the decay of neutral 229mTh atoms.

doi: 10.1038/s41586-019-1533-4
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019VO11      Hyperfine Interactions 240, 23 (2019)

L.C.von der Wense, B.Seiferle, C.Schneider, J.Jeet, I.Amersdorffer, N.Arlt, F.Zacherl, R.Haas, D.Renisch, P.Mosel, P.Mosel, M.Kovacev, U.Morgner, C.E.Dullmann, E.R.Hudson, P.G.Thirolf

The concept of laser-based conversion electron Mossbauer spectroscopy for a precise energy determination of 229mTh

RADIOACTIVITY 229Th(IT) [from 229Th(γ, γ), E not given]; analyzed available data; deduced sensitivity.

doi: 10.1007/s10751-019-1564-0
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2018TH02      Nature(London) 556, 321 (2018)

J.Thielking, M.V.Okhapkin, P.Glowacki, D.M.Meier, L.von der Wense, B.Seiferle, C.E.Dullmann, P.G.Thirolf, E.Peik

Laser spectroscopic characterization of the nuclear-clock isomer 229mTh

RADIOACTIVITY 233U(α); measured optical frequencies, recoil Eβ, Iβ; deduced optical detection of ions in the 229mTh isomeric state and of the resolved hyperfine structure, which arises from the interaction of the isomer nucleus with the valence electrons.

doi: 10.1038/s41586-018-0011-8
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2017SE01      Phys.Rev.Lett. 118, 042501 (2017)

B.Seiferle, L.v.d.Wense, P.G.Thirolf

Lifetime Measurement of the 229Th Nuclear Isomer

RADIOACTIVITY 233U(α), 229Th(IT); measured decay products, Eα, Iα; deduced T1/2, ICC. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.118.042501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017SE08      Eur.Phys.J. A 53, 108 (2017)

B.Seiferle, L.von der Wense, P.G.Thirolf

Feasibility study of internal conversion electron spectroscopy of 229mTh

doi: 10.1140/epja/i2017-12294-5
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2017VO08      Phys.Rev.Lett. 119, 132503 (2017)

L.von der Wense, B.Seiferle, S.Stellmer, J.Weitenberg, G.Kazakov, A.Palffy, P.G.Thirolf

A Laser Excitation Scheme for 229mTh

RADIOACTIVITY 229Th(IT); analyzed available data; deduced direct laser excitation scheme.

doi: 10.1103/physrevlett.119.132503
Citations: PlumX Metrics


2016WE07      Nature(London) 533, 47 (2016)

L.v.d.Wense, B.Seiferle, M.Laatiaoui, J.B.Neumayr, H.-J.Maier, H.-F.Wirth, C.Mokry, J.Runke, Kl.Eberhardt, C.E.Dullmann, N.G.Trautmann, P.G.Thirolf

Direct detection of the 229Th nuclear clock transition

RADIOACTIVITY 229Th(IT), (α); measured decay products, Eα, Iα; deduced isomer T1/2.

doi: 10.1038/nature17669
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015WE04      Eur.Phys.J. A 51, 29 (2015)

L.v.d.Wense, B.Seiferle, M.Laatiaoui, P.G.Thirolf

Determination of the extraction efficiency for 233U source α recoil ions from the MLL buffer-gas stopping cell

doi: 10.1140/epja/i2015-15029-8
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