Zobrazeno 1 - 10 of 96 pro vyhledávání: '"Hartmut Backe"'
1
Ion Mobilities for Heaviest Element Identification
Autor: M. Laatiaoui, Jonas Schneider, Hartmut Backe, F. Schneider, Michael Block, Elisabeth Rickert, Sebastian Raeder, Werner Lauth
Publikováno v: Hyperfine interactions 241(1), 49 (2020). doi:10.1007/s10751-019-1691-7
Hyperfine interactions 241(1), 49 (2020). doi:10.1007/s10751-019-1691-7
Published by Springer Science + Business Media B.V, Dordrecht [u.a.]
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ac3dd6ee7ef12ffb9f15e2a8447d2f9
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2
Developments for resonance ionization laser spectroscopy of the heaviest elements at SHIP
Autor: Dieter Ackermann, Michael Block, F. P. Heßberger, F. Lautenschläger, Werner Lauth, Bradley Cheal, M. Laatiaoui, F. Giacoppo, C. Droese, P. Chhetri, Adam H. Clark, Th. Walther, Rafael Ferrer, C. Wraith, O. Kaleja, J. Khuyagbaatar, S. Götz, Hartmut Backe, S. Raeder, Peter Kunz, A. K. Mistry
Publikováno v: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
The experimental determination of atomic levels and the first ionization potential of the heaviest elements ( Z ⩾ 100 ) is key to challenge theoretical predictions and to reveal changes in the atomic shell structure. These elements are only artific
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de35ad350c82264018a6df76ec1cfea4
https://doi.org/10.1016/j.nimb.2016.06.001
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3
Atom-at-a-time laser resonance ionization spectroscopy of nobelium
Autor: Dieter Ackermann, A. K. Mistry, Peter Kunz, Sebastian Raeder, F. Lautenschläger, Alexander Yakushev, Michael Block, Rafael Ferrer, S. Götz, Mustapha Laatiaoui, Thomas Walther, Enrique Minaya Ramirez, F. P. Heßberger, Piet Van Duppen, Hartmut Backe, Werner Lauth, F. Giacoppo, P. Chhetri, Jadambaa Khuyagbaatar, Oliver Kaleja, C. Wraith, Bradley Cheal, Julia Even, Christoph E. Düllmann, Mark Huyse
Publikováno v: Nature
Nature, Nature Publishing Group, 2016, 538 (7626), pp.495-498. ⟨10.1038/nature19345⟩
Nature, 538(7626), 495-498. Nature Publishing Group
Nature, 2016, 538 (7626), pp.495-498. ⟨10.1038/nature19345⟩
Resonance ionization spectroscopy of nobelium (atomic number 102) reveals its ground-state transition and an upper limit for its ionization potential, paving the way to characterizing even heavier elements via optical spectroscopy. Characterizing the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f2c354021f9b42313653fd51724150a
https://doi.org/10.1038/nature19345
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4
Prospects for laser spectroscopy, ion chemistry and mobility measurements of superheavy elements in buffer-gas traps
Autor: Werner Lauth, M. Laatiaoui, Michael Block, Hartmut Backe
Publikováno v: Nuclear Physics A. 944:492-517
Laser spectroscopic methods are reviewed which are of potential interest for the investigation of atomic and ionic level structures of superheavy elements. The latter are defined here as the trans-fermium elements with Z > 100 for which no experiment
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::523f3f9263ee6b4594ebda7b99946074
https://doi.org/10.1016/j.nuclphysa.2015.07.002
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5
Probing Sizes and Shapes of Nobelium Isotopes by Laser Spectroscopy
Autor: Ephraim Eliav, Ulyana Safronova, F. Lautenschläger, Hartmut Backe, Bradley Cheal, Alexander Yakushev, F. Giacoppo, Marianna Safronova, Uzi Kaldor, Peter Kunz, C. Wraith, Sergey G. Porsev, Rafael Ferrer, P. Chhetri, Julian C. Berengut, P. Van Duppen, O. Kaleja, Werner Lauth, R. Beerwerth, E. Minaya Ramirez, Witold Nazarewicz, Jadambaa Khuyagbaatar, Mark Huyse, Anastasia Borschevsky, Michael Block, Victor V. Flambaum, A. K. Mistry, Thomas Walther, V. A. Dzuba, Stephan Fritzsche, S. Götz, Julia Even, Dieter Ackermann, B. Schuetrumpf, M. Laatiaoui, Ch. E. Düllmann, F. P. Heßberger, Sebastian Raeder
Publikováno v: PHYSICAL REVIEW LETTERS
Phys.Rev.Lett.
Phys.Rev.Lett., 2018, 120 (23), pp.232503. ⟨10.1103/PhysRevLett.120.232503⟩
Physical Review Letters
Physical Review Letters, American Physical Society, 2018, 120 (23), pp.232503. ⟨10.1103/PhysRevLett.120.232503⟩
Physical Review Letters, 120(23):232503. AMER PHYSICAL SOC
Until recently, ground-state nuclear moments of the heaviest nuclei could only be inferred from nuclear spectroscopy, where model assumptions are required. Laser spectroscopy in combination with modern atomic structure calculations is now able to pro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd867d5b36671dd489acd66f9b4963e1
https://lirias.kuleuven.be/handle/123456789/624262
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6
Precision Measurement of the First Ionization Potential of Nobelium
Autor: P. Van Duppen, Peter Kunz, Werner Lauth, Bradley Cheal, Julia Even, Hartmut Backe, A. K. Mistry, Alexander Yakushev, Jadambaa Khuyagbaatar, Rafael Ferrer, P. Chhetri, C. Droese, N. Lecesne, O. Kaleja, S. Götz, Mark Huyse, Th. Walther, Zhong Zhang, Dieter Ackermann, Ch. E. Düllmann, F. P. Heßberger, L. Lens, M. Laatiaoui, Michael Block, F. Giacoppo, Sebastian Raeder, F. Lautenschläger, E. Minaya Ramirez
Publikováno v: Phys.Rev.Lett.
Phys.Rev.Lett., 2018, 120 (26), pp.263003. ⟨10.1103/PhysRevLett.120.263003⟩
Physical Review Letters
Physical Review Letters, American Physical Society, 2018, 120 (26), pp.263003. ⟨10.1103/PhysRevLett.120.263003⟩
Physical Review Letters, 120(26):263003. AMER PHYSICAL SOC
One of the most important atomic properties governing an element's chemical behavior is the energy required to remove its least-bound electron, referred to as the first ionization potential. For the heaviest elements, this fundamental quantity is str
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ef072f67395384da8eb5c8db9b24a83
https://hal.archives-ouvertes.fr/hal-01839662
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7
Channeling experiments with sub-GeV electrons in flat silicon single crystals
Autor: Werner Lauth, Hartmut Backe
Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 355:24-29
Various planar channeling experiments, performed at the Mainz Microtron MAMI with electrons at silicon single crystals, have been reanalyzed. Two types of signals have been employed. The low energy loss signal originates from emission of channeling r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80692626a221b99644b5e18416fac525
https://doi.org/10.1016/j.nimb.2015.03.077
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8
Impact of buffer gas quenching on the $^1S_0$ $\to$ $^1P_1$ ground-state atomic transition in nobelium
Autor: Michael Block, C. Wraith, F. P. Heßberger, Enrique Minaya Ramirez, Werner Lauth, F. Lautenschläger, Dieter Ackermann, P. Chhetri, F. Giacoppo, Jadambaa Khuyagbaatar, Hartmut Backe, Sebastian Raeder, Mustapha Laatiaoui, Christoph E. Düllmann, Peter Kunz, Alexander Yakushev, S. Götz, Rafael Ferrer, Thomas Walther, A. K. Mistry, Julia Even, Oliver Kaleja, Bradley Cheal
Publikováno v: The European Physical Journal D : Atomic, molecular, optical and plasma physics
The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2017, 71 (7), ⟨10.1140/epjd/e2017-80122-x⟩
European Physical Journal D, 71(7):195. SPRINGER
Eur.J.Phys. D
Eur.J.Phys. D, 2017, 71 (7), ⟨10.1140/epjd/e2017-80122-x⟩
The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 2017, 71 (7), ⟨10.1140/epjd/e2017-80122-x⟩
The European physical journal / D 71(7), 195 (2017). doi:10.1140/epjd/e2017-80122-x
EUROPEAN PHYSICAL JOURNAL D
International audience; Using the sensitive Radiation Detected Resonance Ionization Spectroscopy (RADRIS) techniquean optical transition in neutral nobelium (No, Z = 102) was identified. A remnant signal when delaying the ionizing laser indicated the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6025d87d5a95d1fc620b712c1cdeb00
https://hal.science/hal-01582876
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9
Perspectives for laser spectroscopy of the element nobelium
Autor: Hartmut Backe, P. Chhetri, Th. Walther, Michael Block, M. Laatiaoui, F. Lautenschläger, Werner Lauth
Publikováno v: Hyperfine Interactions. 227:69-75
Strong efforts are undertaken at GSI in Darmstadt preparing for laser spectroscopy of the synthetic element nobelium. Several excimer- and dye lasers will be used in the forthcoming search for the $^1$P$_1$ -level in 254No. Based on the highly-effici
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b973a8271b3513a7931da6f10929bb42
https://doi.org/10.1007/s10751-013-0971-x
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10
Radiation emission at channeling of electrons in a strained layer undulator crystal
Autor: Hartmut Backe, J. Lundsgaard Hansen, K. K. Andersen, Werner Lauth, D. Krambrich, Ulrik I. Uggerhøj
Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 309:37-44
Experiments have been performed at the Mainz Microtron MAMI to explore the radiation emission spectra from a crystalline undulator at electron beam energies of 270 and 855 MeV. The epitaxially grown graded composition strained layer Si 1 - x Ge x und
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7507d81cc3c2ae73759f75bda07d082b
https://doi.org/10.1016/j.nimb.2013.03.047
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