Probing Physics beyond the Standard Model from Molecules

Pubblicazioni

High accuracy theoretical investigations of CaF, SrF, and BaF and implications for laser-cooling

Autori: Y. Hao, L.F. Pasteka, L. Visscher, P. Aggarwal, H.L. Bethlem, A. Boeschoten, A. Borschevsky, M. Denis, K. Esajas, S. Hoekstra, K. Jungmann, V.R. Marshall, Th.B. Meijknecht, M.C. Mooij, R.G.E. Timmermans, A. Touwen, W. Ubachs, L. Willmann, Y. Yin, A. Zapara
Pubblicato in: Journal of Chemical Physics, Numero 151, 2019, Pagina/e 034302, ISSN 0021-9606
Editore: American Institute of Physics
DOI: 10.1063/1.5098540

Deep-Ultraviolet Frequency Metrology of H2 for Tests of Molecular Quantum Theory

Autori: R.K. Altmann, L.S. Dreissen, E.J. Salumbides, W. Ubachs, K.S.E. Eikema
Pubblicato in: Physical Review Letters, Numero 120, 2018, Pagina/e 043204, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.120.043204

Measuring the electric dipole moment of the electron in BaF

Autori: P. Aggarwal, H.L. Bethlem, A. Borschevsky, M. Denis, K. Esajas, P.A.B. Haase, Y. Hao, S. Hoekstra, K. Jungmann, T.B. Meijknecht, M.C. Mooij, R.G.E. Timmermans, W. Ubachs, L. Willmann, A. Zapara
Pubblicato in: European Physical Journal D, Numero 72, 2018, Pagina/e 197, ISSN 1434-6079
Editore: Springer
DOI: 10.1140/epjd/e2018-90192-9

Experimental and theoretical studies of the nps 1Su+ and nppi 1Pu+ (n >= 4, N'=1-6) states of D2: energies, natural widths, absorption line intensities, and dynamics

Autori: M. Glass-Maujean, Ch. Jungen, A.-M. Vasserot, H. Schmoranzer, A. Knie, S. Kuebler, A. Ehresmann, W. Ubachs
Pubblicato in: Journal of Molecular Spectroscopy, Numero 338, 2017, Pagina/e 22-71, ISSN 1096-083X
Editore: Elsevier
DOI: 10.1016/j.jms.2017.05.011

Shape resonances in H2 as photolysis reaction intermediates

Autori: K.-F. Lai, E.J. Salumbides, W. Ubachs, M. Beyer
Pubblicato in: Phys. Rev. Lett., Numero 127, 2021, Pagina/e 183001, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.127.183001

Photolysis Production and Spectroscopic Investigation of theHighest Vibrational States in H2 (X1Σg+ v = 13, 14)

Autori: K.-F. Lai, M. Beyer, E.J.Salumbides, W. Ubachs
Pubblicato in: Journal of Physical Chemistry A, Numero 125, 2021, Pagina/e 1221-1228, ISSN 1520-5215
Editore: American Chemical Society
DOI: 10.1021/acs.jpca.0c11136

Excitation of H2 at large internuclear separation: F1S+g outer well states and continuum resonances

Autori: M.T. Trivikram, E.J. Salumbides, C. Jungen, W. Ubachs
Pubblicato in: Molecular Physics, Numero 117, 2019, Pagina/e 2961, ISSN 0026-8976
Editore: Taylor & Francis
DOI: 10.1080/00268976.2019.1599457

Precision tests of nonadiabatic perturbation theory with measurements on the DT molecule

Autori: K.-F. Lai, P. Czachorowski, M. Schloesser, M. Puchalski, J. Komasa, K. Pachucki, W. Ubachs, E. J. Salumbides
Pubblicato in: Physical Review Research, Numero 1, 2019, Pagina/e 033124, ISSN 2643-1564
Editore: American Institute of Physics
DOI: 10.1103/physrevresearch.1.033124

Deceleration and trapping of SrF molecules

Autori: P. Aggarwal, Y. Yin, K. Esajas, H.L. Bethlem, A. Boeschoten, A. Borschevsky, S. Hoekstra, K. Jungmann, V.R. Marshall, T.B. Meijknecht, M.C. Mooij, R.G.E. Timmermans, A. Touwen, W. Ubachs, L. Willmann
Pubblicato in: Phys. Rev. Lett., Numero 127, 2021, Pagina/e 173201, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.127.173201

Three-body QED test and fifth-force constraint from vibrations and rotations of HD+

Autori: M. Germann, S. Patra, J.-Ph. Karr, L. Hilico, V. I. Korobov, E. J. Salumbides, K. S. E. Eikema, W. Ubachs, J. C. J. Koelemeij
Pubblicato in: Physical Review Research, Numero 3, 2021, Pagina/e L022028, ISSN 0031-899X
Editore: American Institute of Physics
DOI: 10.1103/physrevresearch.3.l022028

H2 Lyman and Werner band lines and their sensitivity for a variation of the proton-electron mass ratio in the gravitational potential of white dwarfs

Autori: E. J. Salumbides, J. Bagdonaite, H. Abgrall, E. Roueff, W. Ubachs
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 450, 2015, Pagina/e 1237, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stv656

Rayleigh-Brillouin light scattering spectroscopy of air; experiment, predictive model and dimensionsless scaling

Autori: Y. Wang, Z. Gu, K. Liang, W. Ubachs
Pubblicato in: Molecular Physics, Numero 119, 2021, Pagina/e e1804635, ISSN 0026-8976
Editore: Taylor & Francis
DOI: 10.1080/00268976.2020.1804635

EUV spectroscopy of highly charged Sn13+−Sn15+ ions in an electron-beam ion trap

Autori: J. Scheers, C. Shah, A. Ryabtsev, H. Bekker, F. Torretti, J. Sheil, D. A. Czapski, J. Berengut, W. Ubachs, J. R. Crespo Lopez-Urrutia, R. Hoekstra, O. O. Versolato
Pubblicato in: Physical Review A, Numero 101, 2020, Pagina/e 062511, ISSN 1050-2947
Editore: American Institute of Physics
DOI: 10.1103/physreva.101.062511

Lamb-peak spectrum of the HD (2-0) P(1) line

Autori: M. L. Diouf, F. M. J. Cozijn, K.-F. Lai, E. J. Salumbides, and W. Ubachs
Pubblicato in: Physical Review Research, Numero 2, 2020, Pagina/e 023209, ISSN 2643-1564
Editore: American Institute of Physics
DOI: 10.1103/physrevresearch.2.023209

Precision measurement of quasi-bound resonances in H2 and the H + H scattering length

Autori: K.-F. Lai, E. J. Salumbides, M. Beyer and W. Ubachs
Pubblicato in: Molecular Physics, 2021, Pagina/e e2018063, ISSN 0026-8976
Editore: Taylor & Francis
DOI: 10.1080/00268976.2021.2018063

Lamb-dips and Lamb-peaks in the saturation spectrum of HD

Autori: M.L. Diouf, F.M.J. Cozijn, B. Darquie, E.J. Salumbides, W. Ubachs
Pubblicato in: Optics Letters, Numero 44, 2019, Pagina/e 4733, ISSN 0146-9592
Editore: Optical Society of America
DOI: 10.1364/ol.44.004733

Fourier-transform VUV spectroscopy of 14,15N and 12,13C

Autori: K.F. Lai, W. Ubachs, N. de Oliveira, E.J. Salumbides
Pubblicato in: Atoms, Numero 8, 2020, Pagina/e 62, ISSN 2218-2004
Editore: MDPI
DOI: 10.3390/atoms8030062

Network-based design of near-infrared Lamb-dip experiments and determination of pure rotational energies of H218O at kHz accuracy

Autori: M.L. Diouf, R. Tobias, I. Simko, F.M.J. Cozijn, E.J. Salumbides, W. Ubachs, A. Csaszar
Pubblicato in: Journal of Physical and Chemical Reference Data, Numero 50, 2021, Pagina/e 023106, ISSN 0047-2689
Editore: American Chemical Society
DOI: 10.1063/5.0052744

H2/HD molecular data for analysis of quasar spectra in search of varying constants

Autori: W. Ubachs, E.J. Salumbides, M.T. Murphy, H. Abgrall, E. Roueff
Pubblicato in: Astronomy & Astrophysics, Numero 622, 2019, Pagina/e A127, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/201834782

Two-photon Doppler-free ultraviolet laser spectroscopy on sulphur atoms

Autori: K.-F. Lai, E. J. Salumbides, W. Ubachs
Pubblicato in: Journal of Physics B, Numero 53, 2020, Pagina/e 175002, ISSN 0953-4075
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6455/ab9c37

avity Ring-down UV spectroscopy of the C2S+-X2P electronic transition of CH

Autori: C. Medcraft, H. Linnartz, W. Ubachs
Pubblicato in: Journal of Molecular Spectroscopy, Numero 360, 2019, Pagina/e 15-23, ISSN 1096-083X
Editore: Elsevier
DOI: 10.1016/j.jms.2019.04.005

Chirp-compensated pulsed titanium-sapphire laser system for precision spectroscopy.

Autori: J. Hussels; C.-F. Cheng; Edcel J. Salumbides; Wim Ubachs
Pubblicato in: Optics Letters, Numero 5, 2020, Pagina/e 5909, ISSN 0146-9592
Editore: Optical Society of America
DOI: 10.1364/ol.401703

Sn ion energy distributions of ns- and ps-laser produced plasmas

Autori: Bayerle, A; Deuzeman, M J; Heijden, S van der; Kurilovich, D; Pinto, T de Faria; Stodolna, A; Witte, S; Eikema, K S E; Ubachs, W; Hoekstra, R; Versolato, O O
Pubblicato in: Plasma sources science & technology, Numero 27, 2018, Pagina/e 045001, ISSN 0963-0252
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6595/aab533

Benchmarking theory with an improved measurement of the ionization and dissociation energies of H2

Autori: N. Hoelsch, M. Beyer, E.J. Salumbides, K.S.E. Eikema, W. Ubachs, C. Jungen, F. Merkt
Pubblicato in: Physical Review Letters, Numero 122, 2019, Pagina/e 103002, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.122.103002

Systematic study and uncertainty evaluation of P,T-odd molecular enhancement factors in BaF

Autori: Pi A. B. Haase, Diewertje J. Doeglas, Alexander Boeschoten, Ephraim Eliav, Miroslav Iliaš, Parul Aggarwal, Hendrick L. Bethlem, Anastasia Borschevsky, Kevin Esajas, Yongliang Hao, Steven Hoekstra, Virginia R. Marshall, Thomas B. Meijknecht, Maarten C. Mooij, Kees Steinebach, Rob G. E. Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann, Yanning Yin
Pubblicato in: Journal of Chemical Physics, Numero 155, 2021, Pagina/e 034309, ISSN 0021-9606
Editore: American Institute of Physics
DOI: 10.1063/5.0047344

Proton-electron mass ratio from laser spectroscopy of HD+ at the part-per-trillion level

Autori: Sayan Patra, M. Germann, J.-Ph. Karr, M. Haidar, L. Hilico, V.I. Korobov, F.M.J. Cozijn, K.S.E. Eikema, W. Ubachs, J.C.J. Koelemeij
Pubblicato in: Science, Numero 369, 2020, Pagina/e 1238, ISSN 0036-8075
Editore: American Association for the Advancement of Science
DOI: 10.1126/science.aba0453

Dissociation Energy of the Hydrogen Molecule at 10 − 9 Accuracy

Autori: C.-F. Cheng, J. Hussels, M. Niu, H. L. Bethlem, K. S. E. Eikema, E. J. Salumbides, W. Ubachs, M. Beyer, N. Hölsch, J. A. Agner, F. Merkt, L.-G. Tao, S.-M. Hu, Ch. Jungen
Pubblicato in: Physical Review Letters, Numero 121/1, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/PhysRevLett.121.013001

Relativistic and QED Effects in the Fundamental Vibration of T 2

Autori: T. Madhu Trivikram, M. Schlösser, W. Ubachs, E. J. Salumbides
Pubblicato in: Physical Review Letters, Numero 120/16, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/PhysRevLett.120.163002

Search for Varying Constants of Nature from Astronomical Observation of Molecules

Autori: Wim Ubachs
Pubblicato in: Space Science Reviews, Numero 214/1, 2018, ISSN 0038-6308
Editore: Kluwer Academic Publishers
DOI: 10.1007/s11214-017-0432-y

Rayleigh–Brillouin light scattering spectroscopy of nitrous oxide (N 2 O)

Autori: Y. Wang, K. Liang, W. van de Water, W. Marques, W. Ubachs
Pubblicato in: Journal of Quantitative Spectroscopy and Radiative Transfer, Numero 206, 2018, Pagina/e 63-69, ISSN 0022-4073
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.jqsrt.2017.10.029

Sub-Doppler Frequency Metrology in HD for Tests of Fundamental Physics

Autori: F. M. J. Cozijn, P. Dupré, E. J. Salumbides, K. S. E. Eikema, W. Ubachs
Pubblicato in: Physical Review Letters, Numero 120/15, 2018, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/PhysRevLett.120.153002

Testing the variability of the proton-to-electron mass ratio from observations of methanol in the dark cloud core L1498

Autori: M. Daprà, C. Henkel, S. A. Levshakov, K. M. Menten, S. Muller, H. L. Bethlem, S. Leurini, A. V. Lapinov, W. Ubachs
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 472/4, 2017, Pagina/e 4434-4443, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx2308

CARS spectroscopy of the $(v=0 \rightarrow 1)$ band in ${{{\rm{T}}}_{2}}_{}$

Autori: M Schlösser, X Zhao, M Trivikram, W Ubachs, E J Salumbides
Pubblicato in: Journal of Physics B: Atomic, Molecular and Optical Physics, Numero 50/21, 2017, Pagina/e 214004, ISSN 0953-4075
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6455/aa8d80

Constraint on a varying proton-to-electron mass ratio from H 2 and HD absorption at z abs ≃ 2.34

Autori: M. Daprà, M. van der Laan, M. T. Murphy, W. Ubachs
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 465/4, 2016, Pagina/e 4057-4073, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw3003

Plasma Propulsion of a Metallic Microdroplet and its Deformation upon Laser Impact

Autori: Dmitry Kurilovich, Alexander L. Klein, Francesco Torretti, Adam Lassise, Ronnie Hoekstra, Wim Ubachs, Hanneke Gelderblom, Oscar O. Versolato
Pubblicato in: Physical Review Applied, Numero 6/1, 2016, ISSN 2331-7019
Editore: American institute of Phhysics
DOI: 10.1103/PhysRevApplied.6.014018

Analysis of the fine structure of Sn 11 + – Sn 14 +

Autori: A. Windberger, F. Torretti, A. Borschevsky, A. Ryabtsev, S. Dobrodey, H. Bekker, E. Eliav, U. Kaldor, W. Ubachs, R. Hoekstra, J. R. Crespo López-Urrutia, O. O. Versolato
Pubblicato in: Physical Review A, Numero 94/1, 2016, ISSN 2469-9926
Editore: American Institute of Physics
DOI: 10.1103/PhysRevA.94.012506

Spectroscopic Survey of Electronic Transitions of C 6 H, 13 C 6 H, and C 6 D

Autori: Xavier Bacalla, Edcel J. Salumbides, Harold Linnartz, Wim Ubachs, Dongfeng Zhao
Pubblicato in: The Journal of Physical Chemistry A, Numero 120/32, 2016, Pagina/e 6402-6417, ISSN 1089-5639
Editore: American Chemical Society
DOI: 10.1021/acs.jpca.6b06647

Rayleigh-Brillouin scattering in SF6 in the kinetic regime

Autori: Yuanqing Wang, Yin Yu, Kun Liang, Wilson Marques, Willem van de Water, Wim Ubachs
Pubblicato in: Chemical Physics Letters, Numero 669, 2017, Pagina/e 137-142, ISSN 0009-2614
Editore: Elsevier BV
DOI: 10.1016/j.cplett.2016.12.033

Ion distribution and ablation depth measurements of a fs-ps laser-irradiated solid tin target

Autori: M. J. Deuzeman, A. S. Stodolna, E. E. B. Leerssen, A. Antoncecchi, N. Spook, T. Kleijntjens, J. Versluis, S. Witte, K. S. E. Eikema, W. Ubachs, R. Hoekstra, O. O. Versolato
Pubblicato in: Journal of Applied Physics, Numero 121/10, 2017, Pagina/e 103301, ISSN 0021-8979
Editore: American Institute of Physics
DOI: 10.1063/1.4977854

Optical spectroscopy of complex open- 4 d -shell ions Sn 7 + –

Autori: F. Torretti, A. Windberger, A. Ryabtsev, S. Dobrodey, H. Bekker, W. Ubachs, R. Hoekstra, E. V. Kahl, J. C. Berengut, J. R. Crespo López-Urrutia, O. O. Versolato
Pubblicato in: Physical Review A, Numero 95/4, 2017, ISSN 2469-9926
Editore: American Institute of Physics
DOI: 10.1103/PhysRevA.95.042503

${{{\rm{C}}}_{60}}^{+}$ and the Diffuse Interstellar Bands: An Independent Laboratory Check

Autori: Steffen Spieler, Martin Kuhn, Johannes Postler, Malcolm Simpson, Roland Wester, Paul Scheier, Wim Ubachs, Xavier Bacalla, Jordy Bouwman, Harold Linnartz
Pubblicato in: The Astrophysical Journal, Numero 846/2, 2017, Pagina/e 168, ISSN 1538-4357
Editore: Institute of Physics
DOI: 10.3847/1538-4357/aa82bc

Power-law scaling of plasma pressure on laser-ablated tin microdroplets

Autori: Dmitry Kurilovich, Mikhail M. Basko, Dmitrii A. Kim, Francesco Torretti, Ruben Schupp, Jim C. Visschers, Joris Scheers, Ronnie Hoekstra, Wim Ubachs, Oscar O. Versolato
Pubblicato in: Physics of Plasmas, Numero 25/1, 2018, Pagina/e 012709, ISSN 1070-664X
Editore: American Institute of Physics
DOI: 10.1063/1.5010899

Short-wavelength out-of-band EUV emission from Sn laser-produced plasma

Autori: F Torretti, R Schupp, D Kurilovich, A Bayerle, J Scheers, W Ubachs, R Hoekstra, O O Versolato
Pubblicato in: Journal of Physics B: Atomic, Molecular and Optical Physics, Numero 51/4, 2018, Pagina/e 045005, ISSN 0953-4075
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6455/aaa593

Sn ion energy distributions of ns- and ps-laser produced plasmas

Autori: A Bayerle, M J Deuzeman, S van der Heijden, D Kurilovich, T de Faria Pinto, A Stodolna, S Witte, K S E Eikema, W Ubachs, R Hoekstra, O O Versolato
Pubblicato in: Plasma Sources Science and Technology, Numero 27/4, 2018, Pagina/e 045001, ISSN 1361-6595
Editore: Institute of Physics
DOI: 10.1088/1361-6595/aab533

Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars

Autori: Matthew Bainbridge, Martin Barstow, Nicole Reindl, W.-Ü Tchang-Brillet, Thomas Ayres, John Webb, John Barrow, Jiting Hu, Jay Holberg, Simon Preval, Wim Ubachs, Vladimir Dzuba, Victor Flambaum, Vincent Dumont, Julian Berengut
Pubblicato in: Universe, Numero 3/2, 2017, Pagina/e 32, ISSN 2218-1997
Editore: mdpi
DOI: 10.3390/universe3020032

Analysis of carbon monoxide absorption at zabs ≃ 2.5 to constrain variation of the proton-to-electron mass ratio

Autori: M. Daprà, P. Noterdaeme, M. Vonk, M. T. Murphy, W. Ubachs
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 467/4, 2017, Pagina/e 3848-3855, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx331

Fourier-transform spectroscopy of 13C17O and deperturbation analysis of the A1Π (υ=0–3) levels

Autori: R. Hakalla, M.L. Niu, R.W. Field, A.N. Heays, E.J. Salumbides, G. Stark, J.R. Lyons, M. Eidelsberg, J.L. Lemaire, S.R. Federman, N. de Oliveira, W. Ubachs
Pubblicato in: Journal of Quantitative Spectroscopy and Radiative Transfer, Numero 189, 2017, Pagina/e 312-328, ISSN 0022-4073
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.jqsrt.2016.12.012

High-precision spectroscopy of the HD+ molecule at the 1-p.p.b. level

Autori: J. Biesheuvel, J.-Ph. Karr, L. Hilico, K. S. E. Eikema, W. Ubachs, J. C. J. Koelemeij
Pubblicato in: Applied Physics B, Numero 123/1, 2017, ISSN 0946-2171
Editore: Springer Verlag
DOI: 10.1007/s00340-016-6576-8

Discovery of a Perseus-like cloud in the early Universe

Autori: P. Noterdaeme, J.-K. Krogager, S. Balashev, J. Ge, N. Gupta, T. Krühler, C. Ledoux, M. T. Murphy, I. Pâris, P. Petitjean, H. Rahmani, R. Srianand, W. Ubachs
Pubblicato in: Astronomy & Astrophysics, Numero 597, 2017, Pagina/e A82, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/201629173

A testing time for antimatter

Autori: W. Ubachs
Pubblicato in: Science, Numero 354/6312, 2016, Pagina/e 546-547, ISSN 0036-8075
Editore: American Association for the Advancement of Science
DOI: 10.1126/science.aah6215

Precision measurements and test of molecular theory in highly excited vibrational states of H2 (v = 11)

Autori: T. Madhu Trivikram, M. L. Niu, P. Wcisło, W. Ubachs, E. J. Salumbides
Pubblicato in: Applied Physics B, Numero 122/12, 2016, ISSN 0946-2171
Editore: Springer Verlag
DOI: 10.1007/s00340-016-6570-1

Molecular Fountain

Autori: Cunfeng Cheng, Aernout P. P. van der Poel, Paul Jansen, Marina Quintero-Pérez, Thomas E. Wall, Wim Ubachs, Hendrick L. Bethlem
Pubblicato in: Physical Review Letters, Numero 117/25, 2016, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/PhysRevLett.117.253201

Colloquium : Search for a drifting proton-electron mass ratio from H 2

Autori: W. Ubachs, J. Bagdonaite, E. J. Salumbides, M. T. Murphy, L. Kaper
Pubblicato in: Reviews of Modern Physics, Numero 88/2, 2016, ISSN 0034-6861
Editore: American Physical Society
DOI: 10.1103/RevModPhys.88.021003

Spectroscopy and perturbation analysis of the A 1 π (v=0) state of 13 C 16 O

Autori: M. L. Niu, R. Hakalla, T. Madhu Trivikram, A. N. Heays, N. de Oliveira, E. J. Salumbides, W. Ubachs
Pubblicato in: Molecular Physics, Numero 114/19, 2016, Pagina/e 2857-2867, ISSN 0026-8976
Editore: Taylor & Francis
DOI: 10.1080/00268976.2016.1218078

Physics beyond the Standard Model from hydrogen spectroscopy

Autori: W. Ubachs, J.C.J. Koelemeij, K.S.E. Eikema, E.J. Salumbides
Pubblicato in: Journal of Molecular Spectroscopy, Numero 320, 2016, Pagina/e 1-12, ISSN 0022-2852
Editore: Academic Press
DOI: 10.1016/j.jms.2015.12.003

VIS and VUV spectroscopy of 12 C 17 O and deperturbation analysis of the A 1 Π, υ = 1–5 levels

Autori: R. Hakalla, M. L. Niu, R. W. Field, E. J. Salumbides, A. N. Heays, G. Stark, J. R. Lyons, M. Eidelsberg, J. L. Lemaire, S. R. Federman, M. Zachwieja, W. Szajna, P. Kolek, I. Piotrowska, M. Ostrowska-Kopeć, R. Kępa, N. de Oliveira, W. Ubachs
Pubblicato in: RSC Adv., Numero 6/38, 2016, Pagina/e 31588-31606, ISSN 2046-2069
Editore: Royal Society of Chemistry
DOI: 10.1039/C6RA01358A

CONSTRAINT ON A COSMOLOGICAL VARIATION IN THE PROTON-TO-ELECTRON MASS RATIO FROM ELECTRONIC CO ABSORPTION

Autori: M. Daprà, M. L. Niu, E. J. Salumbides, M. T. Murphy, W. Ubachs
Pubblicato in: The Astrophysical Journal, Numero 826/2, 2016, Pagina/e 192, ISSN 1538-4357
Editore: Institute of Physics
DOI: 10.3847/0004-637X/826/2/192

The excited J = 0 1 Σ u

Autori: M. Glass-Maujean, Ch. Jungen, G.D. Dickenson, N. de Oliveira, W. Ubachs
Pubblicato in: Journal of Molecular Spectroscopy, Numero 320, 2016, Pagina/e 33-38, ISSN 0022-2852
Editore: Academic Press
DOI: 10.1016/j.jms.2016.01.002

Probing QED and fundamental constants through laser spectroscopy of vibrational transitions in HD+

Autori: J. Biesheuvel, J.-Ph. Karr, L. Hilico, K. S. E. Eikema, W. Ubachs, J. C. J. Koelemeij
Pubblicato in: Nature Communications, Numero 7, 2016, Pagina/e 10385, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/ncomms10385

Constraint on a varying proton-to-electron mass ratio from molecular hydrogen absorption towards quasar SDSS J123714.60+064759.5

Autori: M. Daprà, J. Bagdonaite, M. T. Murphy, W. Ubachs
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 454/1, 2015, Pagina/e 489-506, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stv1998

Spectroscopy and perturbation analysis of the CO A 1 Π −X 1 Σ + (2,0), (3,0) and (4,0) bands

Autori: M. L. Niu, E. J. Salumbides, A. N. Heays, N. de Oliveira, R. W. Field, W. Ubachs
Pubblicato in: Molecular Physics, Numero 114/5, 2015, Pagina/e 627-636, ISSN 0026-8976
Editore: Taylor & Francis
DOI: 10.1080/00268976.2015.1108472

Communication: Test of quantum chemistry in vibrationally hot hydrogen molecules

Autori: M. L. Niu, E. J. Salumbides, W. Ubachs
Pubblicato in: The Journal of Chemical Physics, Numero 143/8, 2015, Pagina/e 081102, ISSN 0021-9606
Editore: American Institute of Physics
DOI: 10.1063/1.4929568

Constraints on extra dimensions from precision molecular spectroscopy

Autori: E J Salumbides, A N Schellekens, B Gato-Rivera, W Ubachs
Pubblicato in: New Journal of Physics, Numero 17/3, 2015, Pagina/e 033015, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/17/3/033015

Constraint on a Varying Proton-Electron Mass Ratio 1.5 Billion Years after the Big Bang

Autori: J. Bagdonaite, W. Ubachs, M. T. Murphy, J. B. Whitmore
Pubblicato in: Physical Review Letters, Numero 114/7, 2015, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/PhysRevLett.114.071301

Rayleigh-Brillouin scattering in binary mixtures of disparate-mass constituents: SF6-He, SF6-D2, and SF6-H2

Autori: Y. Wang, W. Ubachs, C.A.M. de Moraes, W. Marques Jr
Pubblicato in: Physical Review E, Numero 103, 2021, Pagina/e 013102, ISSN 1539-3755
Editore: American Physical Society
DOI: 10.1103/physreve.103.013102

Precision measurement of the fundamental vibrational frequencies of tritium-bearing hydrogen molecules: T2, DT, HT

Autori: K.-F. Lai, V. Hermann, T. M. Trivikram, M. Diouf, M. Schlösser, W. Ubachs, E. J. Salumbides
Pubblicato in: Phys.Chem. Chem. Phys., Numero 22, 2020, Pagina/e 8973, ISSN 1463-9076
Editore: Royal Society of Chemistry
DOI: 10.1039/d0cp00596g

Lifetime Measurements of the A2Π1/2 and A2Π3/2 States in BaF

Autori: P. Aggarwal, V.R. Marshall, H.L. Bethlem, A. Boeschoten, A. Borschevsky, M. Denis, K. Esajas, Y. Hao, S. Hoekstra, K. Jungmann, T.B. Meijknecht, M.C. Mooij, R.G.E. Timmermans, A. Touwen, W. Ubachs, S.M. Vermeulen, L. Willmann, Y. Yin, A. Zapara
Pubblicato in: Physical Review A, Numero 100, 2019, Pagina/e 052503, ISSN 2469-9926
Editore: American institute of Physics
DOI: 10.1103/physreva.100.052503

Hyperfine-Resolved Near-Infrared Spectra of H217O

Autori: Mattia Melosso, Meissa L. Diouf, Luca Bizzocchi, Michael E. Harding, Frank M. J. Cozijn, Cristina Puzzarini, and Wim Ubachs
Pubblicato in: Journal of Physical Chemistry A, Numero 125, 2021, Pagina/e 7884-7890, ISSN 1089-5639
Editore: American Chemical Society
DOI: 10.1021/acs.jpca.1c05681

Constraints on changes in the proton-electron mass ratio using methanol lines

Autori: N. Kanekar, W. Ubachs, K.M. Menten, J. Bagdonaite, A. Brunthaler, C. Henkel, S. Muller, H.L. Bethlem, M. Dapra
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 448, 2015, Pagina/e L104, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnrasl/slu206

Determination of the Interval between the Ground States of Para- and Ortho-H2

Autori: M. Beyer, N. Hölsch, J. Hussels, C.-F. Cheng, E. J. Salumbides, K. S. E. Eikema, W. Ubachs, Ch. Jungen, and F. Merkt
Pubblicato in: Physical Review Letters, Numero 123, 2019, Pagina/e 163002, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.123.163002

A study of submillimeter methanol absorption toward PKS 1830−211:Excitation, invariance of the proton-electron mass ratio, and systematics

Autori: S. Muller, W. Ubachs, K.M. Menten, C. Henkel, N. Kanekar
Pubblicato in: Astronomy and Astrophysics, Numero 652, 2021, Pagina/e A5, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202140531

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