Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Tofful, A"'
Autor:
Tofful, Alexandra, Baynham, Charles F. A., Curtis, E. Anne, Parsons, Adam O., Robertson, Billy I., Schioppo, Marco, Tunesi, Jacob, Margolis, Helen S., Hendricks, Richard J., Whale, Josh, Thompson, Richard C., Godun, Rachel M.
Publikováno v:
Metrologia 61 045001 (2024)
A full evaluation of the uncertainty budget for the ytterbium ion optical clock at the National Physical Laboratory (NPL) was performed on the electric octupole (E3) $^2\mathrm{S}_{1/2}\,\rightarrow\, ^2\mathrm{F}_{7/2}$ transition. The total systema
Externí odkaz:
http://arxiv.org/abs/2403.14423
Autor:
Sherrill, Nathaniel, Parsons, Adam O., Baynham, Charles F. A., Bowden, William, Curtis, E. Anne, Hendricks, Richard, Hill, Ian R., Hobson, Richard, Margolis, Helen S., Robertson, Billy I., Schioppo, Marco, Szymaniec, Krzysztof, Tofful, Alexandra, Tunesi, Jacob, Godun, Rachel M., Calmet, Xavier
Publikováno v:
New J.Phys. 25 (2023) 9, 093012
We present a new framework to study the time variation of fundamental constants in a model-independent way. Model independence implies more free parameters than assumed in previous studies. Using data from atomic clocks based on $^{87}$Sr, $^{171}$Yb
Externí odkaz:
http://arxiv.org/abs/2302.04565
Autor:
Alexander, Oliver, Barnard, Jonathan C. T., Larsen, Esben W., Avni, Timur, Jarosch, Sebastian, Ferchaud, Clement, Gregory, Andrew, Parker, Susan, Galinis, Gediminas, Tofful, Alexandra, Garratt, Douglas, Matthews, Mary R., Marangos, Jonathan P.
The observation of non-perturbative harmonic emission in solids from ultrashort laser pulses [1] sparked a wave of studies [2,3] as a probe of charge carrier dynamics in solids under strong fields and a route to extreme ultraviolet (XUV) attosecond p
Externí odkaz:
http://arxiv.org/abs/2202.12624
Autor:
Barontini, G., Blackburn, L., Boyer, V., Butuc-Mayer, F., Calmet, X., Lopez-Urrutia, J. R. Crespo, Curtis, E. A., Darquie, B., Dunningham, J., Fitch, N. J., Forgan, E. M., Georgiou, K., Gill, P., Godun, R. M., Goldwin, J., Guarrera, V., Harwood, A. C., Hill, I. R., Hendricks, R. J., Jeong, M., Johnson, M. Y. H., Keller, M., Sajith, L. P. Kozhiparambil, Kuipers, F., Margolis, H. S., Mayo, C., Newman, P., Parsons, A. O., Prokhorov, L., Robertson, B. I., Rodewald, J., Safronova, M. S., Sauer, B. E., Schioppo, M., Sherrill, N., Stadnik, Y. V., Szymaniec, K., Tarbutt, M. R., Thompson, R. C., Tofful, A., Tunesi, J., Vecchio, A., Wang, Y., Worm, S.
Publikováno v:
EPJ Quantum Technology volume 9, Article number: 12 (2022)
The detection of variations of fundamental constants of the Standard Model would provide us with compelling evidence of new physics, and could lift the veil on the nature of dark matter and dark energy. In this work, we discuss how a network of atomi
Externí odkaz:
http://arxiv.org/abs/2112.10618
Akademický článek
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Publikováno v:
In Atmospheric Environment 15 October 2022 287
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2889 Issue 1, p1-10, 10p
Autor:
Abgrall, M, Chupin, B, Uhrich, P, Lorini, L, Le Targat, R, Pointard, B, Lodewyck, J, Tunesi, J, Tran, D B A, Parsons, A O, Tofful, A, Robertson, B I, Johnson, M Y H, Feng, C-H, Schioppo, M, Curtis, E A, Hill, I R, Godun, R M, Margolis, H S
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2889 Issue 1, p1-5, 5p
Autor:
Oliver Alexander, Jonathan C. T. Barnard, Esben W. Larsen, Timur Avni, Sebastian Jarosch, Clément Ferchaud, Andrew Gregory, Susan Parker, Gediminas Galinis, Alexandra Tofful, Douglas Garratt, Mary R. Matthews, Jonathan P. Marangos
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p 043030 (2023)
We report extreme-ultraviolet high-harmonic generation (HHG) from liquid isopropanol, extending up to 50 eV, when using 1800-nm carrier envelope phase stable pulses of 1.8 cycles with intensities below the laser breakdown threshold. We study the mech
Externí odkaz:
https://doaj.org/article/d2d18294a5cd4c839cc334ba3983d800
Autor:
M. Campanelli, H. Diémoz, A. M. Siani, A. di Sarra, A. M. Iannarelli, R. Kudo, G. Fasano, G. Casasanta, L. Tofful, M. Cacciani, P. Sanò, S. Dietrich
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 1171-1183 (2022)
The impact of the aerosol optical properties on the ultraviolet index (UVI) in the urban area of Rome is investigated in this study. In particular, the influence of aerosol optical depth (AOD) and single scattering albedo (SSA), estimated at the wave
Externí odkaz:
https://doaj.org/article/adcb16fead5e40deaa945ea626ff3370