Precision spectroscopy of helium in a magic wavelength optical dipole trap

Optical atomic clocks

Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E., & Schmidt, P. O. (2015) · Reviews of Modern Physics · doi:10.1103/revmodphys.87.637 · Cited by 2,385 · see citing works

Optical Dipole Traps for Neutral Atoms

Grimm, R., Weidemüller, M., & Ovchinnikov, Y. B. (2000) · Advances in atomic, molecular, and optical physics · doi:10.1016/s1049-250x(08)60186-x · Cited by 1,550 · see citing works

The size of the proton

Pohl, R., Antognini, A., Nez, F., Amaro, F. D., Biraben, F., Cardoso, J. M. R., Covita, D. S., Dax, A., Dhawan, S., Fernandes, L. M. P., et al. (2010) · Nature · doi:10.1038/nature09250 · Cited by 1,384 · see citing works

New measurement of the electron magnetic moment and the fine structure constant

Hanneke, D., Fogwell, S., & Gabrielse, G. (2008) · Physical Review Letters · doi:10.1103/physrevlett.100.120801 · Cited by 1,138 · see citing works

CODATA recommended values of the fundamental physical constants: 2014

Mohr, P. J., Newell, D. B., & Taylor, B. N. (2016) · Reviews of Modern Physics · doi:10.1103/revmodphys.88.035009 · Cited by 948 · see citing works

Proton Structure from the Measurement of 2S-2P Transition Frequencies of Muonic Hydrogen

Antognini, A., Nez, F., Schuhmann, K., Amaro, F. D., Biraben, F., Cardoso, J. M. R., Covita, D. S., Dax, A., Dhawan, S., Diepold, M., et al. (2013) · Science · doi:10.1126/science.1230016 · Cited by 886 · see citing works

Bose-Einstein Condensation of Atomic Hydrogen

Fried, D. G., Killian, T. C., Willmann, L., et al. (1998) · Physical Review Letters · doi:10.1103/physrevlett.81.3811 · Cited by 747 · see citing works

Improved Measurement of the Hydrogen 1S–2S Transition Frequency

Parthey, C. G., Matveev, A., Alnis, J., Bernhardt, B., Beyer, A., Holzwarth, R., Maistrou, A., Pohl, R., Predehl, K., Udem, T., et al. (2011) · Physical Review Letters · doi:10.1103/physrevlett.107.203001 · Cited by 424 · see citing works

The Rydberg constant and proton size from atomic hydrogen

Beyer, A., Maisenbacher, L., Matveev, A., Pohl, R., Khabarova, K. Y., Grinin, A., Lamour, T. P., Yost, D. C., Hänsch, T. W., Kolachevsky, N., et al. (2017) · Science · doi:10.1126/science.aah6677 · Cited by 387 · see citing works

A Fermi-degenerate three-dimensional optical lattice clock

Campbell, S. L., Hutson, R. B., Marti, G. E., Goban, A., Darkwah Oppong, N., McNally, R. L., Sonderhouse, L., Robinson, J. M., Zhang, W., Bloom, B. J., et al. (2017) · Science · doi:10.1126/science.aam5538 · Cited by 384 · see citing works

High-precision measurement of the atomic mass of the electron

Sturm, S., Köhler, F., Zatorski, J., Wagner, A., Harman, Z., Werth, G., Quint, W., Keitel, C. H., & Blaum, K. (2014) · Nature · doi:10.1038/nature13026 · Cited by 326 · see citing works

Laser spectroscopy of muonic deuterium

Pohl, R., Nez, F., Fernandes, L. M. P., Amaro, F. D., Biraben, F., Cardoso, J. M. R., Covita, D. S., Dax, A., Dhawan, S., Diepold, M., et al. (2016) · Science · doi:10.1126/science.aaf2468 · Cited by 308 · see citing works

New Measurement of the 1S−3S Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius Puzzle

Fleurbaey, H., Galtier, S., Simon, T., et al. (2018) · Physical Review Letters · doi:10.1103/physrevlett.120.183001 · Cited by 259 · see citing works

Nuclear Charge Radius of He8

Mueller, P., Sulai, I., Villari, A. C. C., Alcántara-Núñez, J. A., Alvès-Condé, R., Bailey, K., Drake, G. W. F., Dubois, M., Eleon, C., Gaubert, G., et al. (2007) · Physical Review Letters · doi:10.1103/physrevlett.99.252501 · Cited by 241 · see citing works

Laser Spectroscopic Determination of the H 6 e Nuclear Charge Radius

Wang, L.-B., Mueller, P., Bailey, K., et al. (2004) · Physical Review Letters · doi:10.1103/physrevlett.93.142501 · Cited by 217 · see citing works

Imaging Optical Frequencies with 100 μHz Precision and 1.1 μm Resolution

Marti, G. E., Hutson, R. B., Goban, A., Campbell, S., Poli, N., & Ye, J. (2018) · Physical Review Letters · doi:10.1103/physrevlett.120.103201 · Cited by 183 · see citing works

Cold Collision Frequency Shift of the 1S - 2S Transition in Hydrogen

Killian, T. C., Fried, D. G., Willmann, L., et al. (1998) · Physical Review Letters · doi:10.1103/physrevlett.81.3807 · Cited by 173 · see citing works

Extreme Ultraviolet Frequency Comb Metrology

Kandula, D. Z., Gohle, C., Pinkert, T. J., Ubachs, W., & Eikema, K. S. E. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.063001 · Cited by 169 · see citing works

Cold and trapped metastable noble gases

Vassen, W., Cohen-Tannoudji, C. N., Leduc, M., Boiron, D., Westbrook, C. I., Truscott, A. G., Baldwin, K. G. H., Birkl, G., Cancio, P., & Trippenbach, M. (2012) · Reviews of Modern Physics · doi:10.1103/revmodphys.84.175 · Cited by 145 · see citing works

Energy levels for the stable isotopes of atomic helium(4He I and 3He I)

Morton, D. C., Wu, Q., & Drake, G. W. F. (2006) · Canadian Journal of Physics · doi:10.1139/p06-009 · Cited by 138 · see citing works

Frequency Metrology in Quantum Degenerate Helium: Direct Measurement of the 2 3 S 1 → 2 1 S 0 Transition

van Rooij, R., Borbely, J. S., Simonet, J., et al. (2011) · Science · doi:10.1126/science.1205163 · Cited by 135 · see citing works

Metastable Helium: A New Determination of the Longest Atomic Excited-State Lifetime

Hodgman, S. S., Dall, R. G., Byron, L. J., et al. (2009) · Physical Review Letters · doi:10.1103/physrevlett.103.053002 · Cited by 120 · see citing works

Three-Nucleon Charge Radius: A Precise Laser Determination Using 3 He

Shiner, D. C., Dixson, R. G., & Vedantham, V. (1995) · Physical Review Letters · doi:10.1103/physrevlett.74.3553 · Cited by 118 · see citing works

Absolute Frequency Measurements of the 23S1→23P0,1,2 Atomic Helium Transitions around 1083 nm

Pastor, P. C., Giusfredi, G., Natale, P. D., et al. (2004) · Physical Review Letters · doi:10.1103/physrevlett.92.023001 · Cited by 111 · see citing works

Frequency Metrology of Helium around 1083 nm and Determination of the Nuclear Charge Radius

Pastor, P. C., Consolino, L., Giusfredi, G., et al. (2012) · Physical Review Letters · doi:10.1103/physrevlett.108.143001 · Cited by 106 · see citing works

Testing fundamental interactions on the helium atom

Pachucki, K., Patkóš, V., & Yerokhin, V. A. (2017) · Physical Review A · doi:10.1103/physreva.95.062510 · Cited by 103 · see citing works

Accurate Determination of the Scattering Length of Metastable Helium Atoms Using Dark Resonances between Atoms and Exotic Molecules

Moal, S., Portier, M., Kim, J., et al. (2006) · Physical Review Letters · doi:10.1103/physrevlett.96.023203 · Cited by 92 · see citing works

Experimental and theoretical studies of the Bi-excited collision systems He*(23 S) + He*(23 S, 21 S) at thermal and subthermal kinetic energies

Müller, M., Merz, A., Ruf, M. ‐., et al. (1991) · Zeitschrift für Physik D Atoms Molecules and Clusters · doi:10.1007/bf01425589 · Cited by 86 · see citing works

Measurement of the Frequency of the 2 S3−2 P3 Transition of He4

Zheng, X., Sun, Y., Chen, J.-J., et al. (2017) · Physical Review Letters · doi:10.1103/physrevlett.119.263002 · Cited by 73 · see citing works

Determination of the Fine Structure Constant Using Helium Fine Structure

Smiciklas, M., & Shiner, D. C. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.123001 · Cited by 73 · see citing works

Separated oscillatory-field microwave measurement of the 2 P31–2 P32 fine-structure interval of atomic helium

Borbely, J. S., George, M. C., Lombardi, L. D., et al. (2009) · Physical Review A · doi:10.1103/physreva.79.060503 · Cited by 65 · see citing works

Precision Measurement for Metastable Helium Atoms of the 413 nm Tune-Out Wavelength at Which the Atomic Polarizability Vanishes

Henson, B. M., Khakimov, R. I., Dall, R. G., et al. (2015) · Physical Review Letters · doi:10.1103/physrevlett.115.043004 · Cited by 64 · see citing works

Spectroscopy of atomic hydrogen

Biraben, F. (2009) · The European Physical Journal Special Topics · doi:10.1140/epjst/e2009-01045-3 · Cited by 58 · see citing works

Laser Spectroscopy of the Fine-Structure Splitting in the 2PJ3 Levels of He4

Zheng, X., Sun, Y., Chen, J., et al. (2017) · Physical Review Letters · doi:10.1103/physrevlett.118.063001 · Cited by 56 · see citing works

Tune-out wavelengths for metastable helium

Mitroy, J., & Tang, L.-Y. (2013) · Physical Review A · doi:10.1103/physreva.88.052515 · Cited by 43 · see citing works

Zemach moments of He3 and He4

Sick, I. (2014) · Physical Review C · doi:10.1103/physrevc.90.064002 · Cited by 42 · see citing works

Theory of the Lamb Shift and fine structure in muonic 4He ions and the muonic 3He– 4He Isotope Shift

Diepold, M., Franke, B., Krauth, J. J., et al. (2018) · Annals of Physics · doi:10.1016/j.aop.2018.07.015 · Cited by 42 · see citing works

High-Precision Spectroscopy of the Forbidden 2 S13→2 P11 Transition in Quantum Degenerate Metastable Helium

Notermans, R., & Vassen, W. (2014) · Physical Review Letters · doi:10.1103/physrevlett.112.253002 · Cited by 35 · see citing works

Quantum interference effects in saturated absorption spectroscopy of n=2 triplet-helium fine structure

Marsman, A., Horbatsch, M., & Hessels, E. A. (2015) · Physical Review A · doi:10.1103/physreva.91.062506 · Cited by 27 · see citing works

Magic wavelengths for the 23S→21S transition in helium

Notermans, R., Rengelink, R. J., van Leeuwen, K. A. H., et al. (2014) · Physical Review A · doi:10.1103/physreva.90.052508 · Cited by 25 · see citing works

The Lamb-shift experiment in Muonic helium

Nebel, T., Amaro, F. D., Antognini, A., et al. (2012) · Hyperfine Interactions · doi:10.1007/s10751-012-0637-0 · Cited by 25 · see citing works

Precision frequency measurements of He3,4 2P3→3D3 transitions at 588 nm

Luo, P.-L., Peng, J.-L., Hu, J., et al. (2016) · Physical Review A · doi:10.1103/physreva.94.062507 · Cited by 25 · see citing works

Tune-out wavelength around 413 nm for the helium 23S1 state including relativistic and finite-nuclear-mass corrections

Zhang, Y.-H., Tang, L.-Y., Zhang, X., et al. (2016) · Physical Review A · doi:10.1103/physreva.93.052516 · Cited by 24 · see citing works

Precision Frequency Metrology of Helium 2S01→2P11 Transition

Luo, P.-L., Peng, J.-L., Shy, J.-T., et al. (2013) · Physical Review Letters · doi:10.1103/physrevlett.111.013002 · Cited by 22 · see citing works

1S−2S spectrum of a hydrogen Bose-Einstein condensate

Killian, T. C. (2000) · Physical Review A · doi:10.1103/physreva.61.033611 · Cited by 21 · see citing works

Comparison of Spectral Linewidths for Quantum Degenerate Bosons and Fermions

Notermans, R., Rengelink, R. J., & Vassen, W. (2016) · Physical Review Letters · doi:10.1103/physrevlett.117.213001 · Cited by 17 · see citing works

Relativistic full-configuration-interaction calculations of magic wavelengths for the 2 3S1→2 1S0 transition of helium isotopes

Wu, F.-F., Yang, S., Zhang, Y.-H., et al. (2018) · Physical Review A · doi:10.1103/physreva.98.040501 · Cited by 17 · see citing works

Magnetic-field-dependent trap loss of ultracold metastable helium

Borbely, J. S., van Rooij, R., Knoop, S., et al. (2012) · Physical Review A · doi:10.1103/physreva.85.022706 · Cited by 16 · see citing works

Frequency measurement of the 2 S01 – 3D21 two-photon transition in atomic He4

Huang, Y.-J., Guan, Y.-C., Huang, Y.-C., et al. (2018) · Physical Review A · doi:10.1103/physreva.97.032516 · Cited by 16 · see citing works

A simple 2 W continuous-wave laser system for trapping ultracold metastable helium atoms at the 319.8 nm magic wavelength

Rengelink, R. J., Notermans, R., & Vassen, W. (2016) · Applied Physics B · doi:10.1007/s00340-016-6395-y · Cited by 15 · see citing works

Ultra-precise determination of thicknesses and refractive indices of optically thick dispersive materials by dual-comb spectroscopy

Sumihara, K. A., Okubo, S., Okano, M., Inaba, H., & Watanabe, S. (2022) · Optics Express · doi:10.1364/oe.445134 · Cited by 13 · see citing works