Zobrazeno 1 - 10
of 10 084
pro vyhledávání: '"SCHUMM, P."'
Autor:
Idrios N. Bonsou, Armelle T. Mbaveng, Gaëlle S. Nguenang, Godloves F. Chi, Victor Kuete, Thomas Efferth
Publikováno v:
BMC Complementary Medicine and Therapies, Vol 22, Iss 1, Pp 1-15 (2022)
Abstract Background Tetrapleura tetraptera is a medicinal spice traditionally used to treat cancer, diabetes, and several other ailments. This study analyzed the cytotoxicity of the dichloromethane methanol extract of T. tetraptera fruits (TTF) and i
Externí odkaz:
https://doaj.org/article/a9b39913cd1b4f16aa269dea33a1deb7
Akademický článek
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The work investigates properties of local electronic states in thorium-doped CaF$_2$ crystals using multiconfigurational quantum chemistry methods. Th:CaF$_2$ is currently establishing as a solid-state nuclear clock, making use of the laser-accessibl
Externí odkaz:
http://arxiv.org/abs/2410.00230
Autor:
Shigapov, Renat, Schumm, Irene
FAIR GPT is a first virtual consultant in ChatGPT designed to help researchers and organizations make their data and metadata compliant with the FAIR (Findable, Accessible, Interoperable, Reusable) principles. It provides guidance on metadata improve
Externí odkaz:
http://arxiv.org/abs/2410.07108
Autor:
Higgins, Jacob S., Ooi, Tian, Doyle, Jack F., Zhang, Chuankun, Ye, Jun, Beeks, Kjeld, Sikorsky, Tomas, Schumm, Thorsten
Quantum state-resolved spectroscopy of the low energy thorium-229 nuclear transition was recently achieved. The five allowed transitions within the electric quadrupole splitting structure were measured to the kilohertz level in a calcium fluoride hos
Externí odkaz:
http://arxiv.org/abs/2409.11590
Autor:
Pineda, S. V., Chhetri, P., Bara, S., Elskens, Y., Casci, S., Alexandrova, A. N., Au, M., Athanasakis-Kaklamanakis, M., Bartokos, M., Beeks, K., Bernerd, C., Claessens, A., Chrysalidis, K., Cocolios, T. E., Correia, J. G., De Witte, H., Elwell, R., Ferrer, R., Heinke, R., Hudson, E. R., Ivandikov, F., Kudryavtsev, Yu., Köster, U., Kraemer, S., Laatiaoui, M., Lica, R., Merckling, C., Morawetz, I., Morgan, H. W. T., Moritz, D., Pereira, L. M. C., Raeder, S., Rothe, S., Schaden, F., Scharl, K., Schumm, T., Stegemann, S., Terhune, J., Thirolf, P. G., Tunhuma, S. M., Bergh, P. Van Den, Van Duppen, P., Vantomme, A., Wahl, U., Yue, Z.
A comparative vacuum ultraviolet spectroscopy study conducted at ISOLDE-CERN of the radiative decay of the $^{229m}$Th nuclear clock isomer embedded in different host materials is reported. The ratio of the number of radiative decay photons and the n
Externí odkaz:
http://arxiv.org/abs/2408.12309
Akademický článek
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Autor:
Beeks, Kjeld, Kazakov, Georgy A., Schaden, Fabian, Morawetz, Ira, de Col, Luca Toscani, Riebner, Thomas, Bartokos, Michael, Sikorsky, Tomas, Schumm, Thorsten, Zhang, Chuankun, Ooi, Tian, Higgins, Jacob S., Doyle, Jack F., Ye, Jun, Safronova, Marianna S.
State-resolved laser spectroscopy at the 10$^{-12}$ precision level recently reported in $arXiv$:2406.18719 determined the fractional change in nuclear quadrupole moment between the ground and isomeric state of $^{229}\rm{Th}$, $\Delta Q_0/Q_0$=1.791
Externí odkaz:
http://arxiv.org/abs/2407.17300
Autor:
Zhang, Chuankun, Ooi, Tian, Higgins, Jacob S., Doyle, Jack F., von der Wense, Lars, Beeks, Kjeld, Leitner, Adrian, Kazakov, Georgy, Li, Peng, Thirolf, Peter G., Schumm, Thorsten, Ye, Jun
Publikováno v:
Nature 633, 63-70 (2024)
Optical atomic clocks$^{1,2}$ use electronic energy levels to precisely keep track of time. A clock based on nuclear energy levels promises a next-generation platform for precision metrology and fundamental physics studies. Thorium-229 nuclei exhibit
Externí odkaz:
http://arxiv.org/abs/2406.18719
Stochastic Analytic Continuation (SAC) of Quantum Monte Carlo (QMC) imaginary-time correlation function data is a valuable tool in connecting many-body models to experimentally measurable dynamic response functions. Recent developments of the SAC met
Externí odkaz:
http://arxiv.org/abs/2406.06763