Search Results - "Safronova, S. S."

Highly charged ions: Optical clocks and applications in fundamental physics by Kozlov, M. G., Safronova, M. S., Crespo López-Urrutia, J. R., Schmidt, P. O.

“…Recent developments in frequency metrology and optical clocks have been based on electronic transitions in atoms and singly charged ions as references. The…”
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Spectroscopic observation of SU(N)-symmetric interactions in Sr orbital magnetism by Zhang, X., Bishof, M., Bromley, S. L., Kraus, C. V., Safronova, M. S., Zoller, P., Rey, A. M., Ye, J.

“…SU(N) symmetry can emerge in a quantum system with N single-particle spin states when spin is decoupled from interparticle interactions. Taking advantage of…”
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Two Clock Transitions in Neutral Yb for the Highest Sensitivity to Variations of the Fine-Structure Constant by Safronova, Marianna S, Porsev, Sergey G, Sanner, Christian, Ye, Jun

“…We propose a new frequency standard based on a 4f^{14}6s6p ^{3}P_{0}-4f^{13}6s^{2}5d (J=2) transition in neutral Yb. This transition has a potential for high…”
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Narrow-line Cooling and Determination of the Magic Wavelength of Cd by Yamaguchi, A., Safronova, M. S., Gibble, K., Katori, H.

“…We experimentally and theoretically determine the magic wavelength of the (5s2)S10−(5s5p)P03 clock transition of Cd111 to be 419.88(14) and 420.1(7) nm. To…”
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Probing the relaxed relaxion at the luminosity and precision frontiers by Banerjee, Abhishek, Kim, Hyungjin, Matsedonskyi, Oleksii, Perez, Gilad, Safronova, Marianna S.

“…A bstract Cosmological relaxation of the electroweak scale is an attractive scenario addressing the gauge hierarchy problem. Its main actor, the relaxion, is a…”
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Alkaline-Earth Atoms in Optical Tweezers by Cooper, Alexandre, Covey, Jacob P., Madjarov, Ivaylo S., Porsev, Sergey G., Safronova, Marianna S., Endres, Manuel

“…We demonstrate single-shot imaging and narrow-line cooling of individual alkaline-earth atoms in optical tweezers; specifically, strontium trapped…”
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Prospects of a thousand-ion Sn2+ Coulomb-crystal clock with sub-10−19 inaccuracy by Leibrandt, David R., Porsev, Sergey G., Cheung, Charles, Safronova, Marianna S.

“…Optical atomic clocks are the most accurate and precise measurement devices of any kind, enabling advances in international timekeeping, Earth science,…”
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Bosenovae with quadratically-coupled scalars in quantum sensing experiments by Arakawa, Jason, Zaheer, Muhammad H., Eby, Joshua, Takhistov, Volodymyr, Safronova, Marianna S.

“…A bstract Ultralight dark matter (ULDM) particles of mass m ϕ ≲ 1 eV can form boson stars in DM halos. Collapse of boson stars leads to explosive bosenova…”
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Ultracold Anions for High-Precision Antihydrogen Experiments by Cerchiari, G, Kellerbauer, A, Safronova, M S, Safronova, U I, Yzombard, P

“…Experiments with antihydrogen (H[over ¯]) for a study of matter-antimatter symmetry and antimatter gravity require ultracold H[over ¯] to reach ultimate…”
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New Methods for Testing Lorentz Invariance with Atomic Systems by Shaniv, R, Ozeri, R, Safronova, M S, Porsev, S G, Dzuba, V A, Flambaum, V V, Häffner, H

“…We describe a broadly applicable experimental proposal to search for the violation of local Lorentz invariance (LLI) with atomic systems. The new scheme uses…”
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Highly charged ions for atomic clocks, quantum information, and search for α variation by Safronova, M S, Dzuba, V A, Flambaum, V V, Safronova, U I, Porsev, S G, Kozlov, M G

“…We propose 10 highly charged ions as candidates for the development of next generation atomic clocks, quantum information, and search for α variation. They…”
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Accurate Prediction of Clock Transitions in a Highly Charged Ion with Complex Electronic Structure by Cheung, C, Safronova, M S, Porsev, S G, Kozlov, M G, Tupitsyn, I I, Bondarev, A I

“…We develop a broadly applicable approach that drastically increases the ability to predict the properties of complex atoms accurately. We apply it to the case…”
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Multipolar Polarizabilities and Hyperpolarizabilities in the Sr Optical Lattice Clock by Porsev, S G, Safronova, M S, Safronova, U I, Kozlov, M G

“…We address the problem of the lattice Stark shifts in the Sr clock caused by the multipolar M1 and E2 atom-field interactions and by the term nonlinear in…”
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Quantum Electrodynamical Shifts in Multivalent Heavy Ions by Tupitsyn, I I, Kozlov, M G, Safronova, M S, Shabaev, V M, Dzuba, V A

“…The quantum electrodynamics (QED) corrections are directly incorporated into the most accurate treatment of the correlation corrections for ions with complex…”
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Suppressing Inhomogeneous Broadening in a Lutetium Multi-ion Optical Clock by Tan, T R, Kaewuam, R, Arnold, K J, Chanu, S R, Zhang, Zhiqiang, Safronova, M S, Barrett, M D

“…We demonstrate precision measurement and control of inhomogeneous broadening in a multi-ion clock consisting of three ^{176}Lu^{+} ions. Microwave spectroscopy…”
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High-precision Transition Energy Measurements of Neon-like Fe xvii Ions by Shah, Chintan, Togawa, Moto, Botz, Marc, Danisch, Jonas, Goes, Joschka J., Bernitt, Sonja, Maxton, Marleen, Köbnick, Kai, Buck, Jens, Seltmann, Jörn, Hoesch, Moritz, Gu, Ming Feng, Porter, F. Scott, Pfeifer, Thomas, Leutenegger, Maurice A., Cheung, Charles, Safronova, Marianna S., Crespo López-Urrutia, José R.

“…We improve by a factor of 4–20 the energy accuracy of the strongest soft X-ray transitions of Fe xvii ions by resonantly exciting them in an electron beam ion…”
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Probing Sizes and Shapes of Nobelium Isotopes by Laser Spectroscopy by Raeder, S, Ackermann, D, Backe, H, Beerwerth, R, Berengut, J C, Block, M, Borschevsky, A, Cheal, B, Chhetri, P, Düllmann, Ch E, Dzuba, V A, Eliav, E, Even, J, Ferrer, R, Flambaum, V V, Fritzsche, S, Giacoppo, F, Götz, S, Heßberger, F P, Huyse, M, Kaldor, U, Kaleja, O, Khuyagbaatar, J, Kunz, P, Laatiaoui, M, Lautenschläger, F, Lauth, W, Mistry, A K, Minaya Ramirez, E, Nazarewicz, W, Porsev, S G, Safronova, M S, Safronova, U I, Schuetrumpf, B, Van Duppen, P, Walther, T, Wraith, C, Yakushev, A

“…Until recently, ground-state nuclear moments of the heaviest nuclei could only be inferred from nuclear spectroscopy, where model assumptions are required…”
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Precision calculation of blackbody radiation shifts for optical frequency metrology by Safronova, M S, Kozlov, M G, Clark, Charles W

“…We show that three group IIIB divalent ions, B(+), Al(+), and In(+), have anomalously small blackbody radiation (BBR) shifts of the ns(2) (1)S(0)-nsnp…”
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Observation of an Electric Quadrupole Transition in a Negative Ion: Experiment and Theory by Walter, C W, Spielman, S E, Ponce, R, Gibson, N D, Yukich, J N, Cheung, C, Safronova, M S

“…The first direct experimental observation of an electric quadrupole (E2) absorption transition between bound states of an atomic negative ion has been made…”
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Protein kinase CK2 is a key activator of histone deacetylase in hypoxia‐associated tumors by Pluemsampant, Sireerat, Safronova, Olga S., Nakahama, Ken‐ichi, Morita, Ikuo

“…Increasing evidence points to a link between histone deacetylases (HDACs) and tumorigenesis. Although several HDAC inhibitors have been tested in clinical…”
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