Cold Ion Chemistry - Experiments within a Rydberg Orbit | CICERO | Project | Results | H2020 | CORDIS

Publikacje

Characterization of the 3dδ Rydberg state of MgAr+ using a quantum-control optical scheme

Autorzy: M. Génévriez, D. Wehrli, T. Berglitsch, F. Merkt
Opublikowane w: Physical Review A, Numer 104, 2021, Strona(/y) 042811, ISSN 1094-1622
Wydawca: American Physical Society
DOI: 10.1103/physreva.104.042811

Characterization of the electronic ground state of Mg2+ by PFI-ZEKE photoelectron spectroscopy

Autorzy: Génévriez Matthieu, Holdener Maxime, Kreis Carla, Merkt Frédéric
Opublikowane w: Journal of Molecular Spectroscopy, Numer 385(issue), 2022, ISSN 0022-2852
Wydawca: Academic Press
DOI: 10.1016/j.jms.2022.111591

Multipole-moment effects in ion–molecule reactions at low temperatures: part I – ion-dipole enhancement of the rate coefficients of the He+ + NH3 and He+ + ND3 reactions at collisional energies Ecoll/kB near 0 K

Autorzy: Valentina Zhelyazkova, Fernanda B. V. Martins, Josef A. Agner, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Chemistry Chemical Physics, Numer 23 (38), 2021, Strona(/y) 21606-21622, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/d1cp03116c

Charge-Transfer-Induced Predissociation in Rydberg States of Molecular Cations: MgAr+

Autorzy: Dominik Wehrli, Matthieu Génévriez, Stefan Knecht, Markus Reiher, Frédéric Merkt
Opublikowane w: The Journal of Physical Chemistry A, Numer 125 (31), 2021, Strona(/y) 6681-6696, ISSN 1089-5639
Wydawca: American Chemical Society
DOI: 10.1021/acs.jpca.1c03859

Reactions of H2, HD, and D2 with H2+, HD+, and D2+: Product-Channel Branching Ratios and Simple Models

Autorzy: Frédéric Merkt, Katharina Höveler, Johannes Deiglmayr
Opublikowane w: The Journal of Physical Chemistry Letters, Numer 13, 2022, Strona(/y) 864-871, ISSN 1948-7185
Wydawca: American Chemical Society
DOI: 10.1021/acs.jpclett.1c03374

Precision millimetre-wave spectroscopy and calculation of the Stark manifolds in high Rydberg states of para-H<inf>2</inf>Precision millimetre-wave spectroscopy and calculation of the Stark manifolds in high Rydberg states of para-H<inf>2</inf>

Autorzy: Hölsch N., Doran I., Beyer M., Merkt F.
Opublikowane w: Journal of Molecular Spectroscopy, 2022, ISSN 0022-2852
Wydawca: Academic Press

The H2+ + HD reaction at low collision energies: H3+/H2D+ branching ratio and product-kinetic energy distributions

Autorzy: Katharina Höveler, Johannes Deiglmayr, Josef A. Agner, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Chemistry Chemical Physics, Numer 23 (4), 2021, Strona(/y) 2676-2685, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/d0cp06107g

SI-traceable frequency dissemination at 1572.06 nm in a stabilized fiber network with ring topology

Autorzy: Dominik Husmann, Laurent-Guy Bernier, Mathieu Bertrand, Davide Calonico, Konstantinos Chaloulos, Gloria Clausen, Cecilia Clivati, Jérôme Faist, Ernst Heiri, Urs Hollenstein, Anatoly Johnson, Fabian Mauchle, Ziv Meir, Frédéric Merkt, Alberto Mura, Giacomo Scalari, Simon Scheidegger, Hansjürg Schmutz, Mudit Sinhal, Stefan Willitsch, Jacques Morel
Opublikowane w: Optics Express, Numer 29 (16), 2021, Strona(/y) 24592-24605, ISSN 1094-4087
Wydawca: Optical Society of America
DOI: 10.1364/oe.427921

Multipole-moment effects in ion–molecule reactions at low temperaturesPart II – charge– quadrupole-interaction-induced suppression of the He+ + N2 reaction at collision energies below kB10 K

Autorzy: Zhelyazkova Valentina, Martin Fernanda B.V., Žeško Matija, Merkt Frédéric
Opublikowane w: Physical Chemistry Chemical Physics, Numer 24(5), 2022, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/d1cp04798a

Manipulating beams of paramagnetic atoms and molecules using inhomogeneous magnetic fields

Autorzy: Paul Jansen, Frédéric Merkt
Opublikowane w: Progress in Nuclear Magnetic Resonance Spectroscopy, Numer 120-121, 2020, Strona(/y) 118-148, ISSN 0079-6565
Wydawca: Elsevier BV
DOI: 10.1016/j.pnmrs.2020.08.002

Multipole-moment effects in ion-molecule reactions at low temperatures: part III - the He+ + CH4 and He+ + CD4 reactions at low collision energies and the effect of the charge-octupole interaction

Autorzy: Zhelyazkova Valentina, Martins Fernanda B.V., Merkt Frédéric
Opublikowane w: Physical Chemistry Chemical Physics, Numer 24(26), 2022, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/d1cp05861d

Complete characterization of the 3p Rydberg complex of a molecular ion: MgAr + . I. Observation of the Mg(3pσ)Ar + B + state and determination of its structure and dynamics

Autorzy: Dominik Wehrli, Matthieu Génévriez, Stefan Knecht, Markus Reiher, Frédéric Merkt
Opublikowane w: The Journal of Chemical Physics, Numer 153/7, 2020, Strona(/y) 074310, ISSN 0021-9606
Wydawca: American Institute of Physics
DOI: 10.1063/5.0015603

Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom

Autorzy: Maximilian Beyer, Frédéric Merkt
Opublikowane w: The Journal of Chemical Physics, Numer 149/3, 2018, Strona(/y) 031102, ISSN 0021-9606
Wydawca: American Institute of Physics
DOI: 10.1063/1.5043186

Metrology of high- n Rydberg states of molecular hydrogen with Δ ν / ν = 2 × 10 −

Autorzy: Maximilian Beyer, Nicolas Hölsch, Josef A. Agner, Johannes Deiglmayr, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Review A, Numer 97/1, 2018, Strona(/y) 012501, ISSN 2469-9926
Wydawca: American Physical Society
DOI: 10.1103/physreva.97.012501

Hyperfine-interaction-induced g/u mixing and its implication on the existence of the first excited vibrational level of the A+ Σu+2 state of H2+ and on the scattering length of the H + H + collision

Autorzy: Maximilian Beyer, Frédéric Merkt
Opublikowane w: The Journal of Chemical Physics, Numer 149/21, 2018, Strona(/y) 214301, ISSN 0021-9606
Wydawca: American Institute of Physics
DOI: 10.1063/1.5046147

Dissociation Energy of the Hydrogen Molecule at 10 − 9 Accuracy

Autorzy: 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
Opublikowane w: Physical Review Letters, Numer 121/1, 2018, Strona(/y) 013001, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.121.013001

Nonadiabatic effects on the positions and lifetimes of the low-lying rovibrational levels of the GK 1 Σ+g and H 1 Σ+g states of H 2

Autorzy: Nicolas Hölsch, Maximilian Beyer, Frédéric Merkt
Opublikowane w: Physical Chemistry Chemical Physics, Numer 20/42, 2018, Strona(/y) 26837-26845, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/c8cp05233f

High-resolution photoelectron spectroscopy and calculations of the highest bound levels of ${{\rm{D}}}_{2}^{+}$ below the first dissociation threshold

Autorzy: Maximilian Beyer, Frédéric Merkt
Opublikowane w: Journal of Physics B: Atomic, Molecular and Optical Physics, Numer 50/15, 2017, Strona(/y) 154005, ISSN 0953-4075
Wydawca: Institute of Physics Publishing
DOI: 10.1088/1361-6455/aa7ac9

Molecular-beam resonance method with Zeeman-decelerated samples: Application to metastable helium molecules

Autorzy: Luca Semeria, Paul Jansen, Gloria Clausen, Josef A. Agner, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Review A, Numer 98/6, 2018, Strona(/y) 062518, ISSN 2469-9926
Wydawca: American Physics Society
DOI: 10.1103/physreva.98.062518

Fundamental vibration frequency and rotational structure of the first excited vibrational level of the molecular helium ion (He2+)

Autorzy: Paul Jansen, Luca Semeria, Frédéric Merkt
Opublikowane w: The Journal of Chemical Physics, Numer 149/15, 2018, Strona(/y) 154302, ISSN 0021-9606
Wydawca: American Institute of Physics
DOI: 10.1063/1.5051089

PFI-ZEKE photoelectron spectroscopy of positively charged ions: illustration with Mg+

Autorzy: M. Génévriez, D. Wehrli, J.A. Agner, F. Merkt
Opublikowane w: International Journal of Mass Spectrometry, Numer 435, 2019, Strona(/y) 209-216, ISSN 1387-3806
Wydawca: Elsevier BV
DOI: 10.1016/j.ijms.2018.10.017

Half-Collision Approach to Cold Chemistry: Shape Resonances, Elastic Scattering, and Radiative Association in the H + + H

Autorzy: Maximilian Beyer, Frédéric Merkt
Opublikowane w: Physical Review X, Numer 8/3, 2018, Strona(/y) 031085, ISSN 2160-3308
Wydawca: American Physical Society
DOI: 10.1103/physrevx.8.031085

Determination of the Spin-Rotation Fine Structure of He 2 +

Autorzy: Paul Jansen, Luca Semeria, Frédéric Merkt
Opublikowane w: Physical Review Letters, Numer 120/4, 2018, Strona(/y) 043001, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.120.043001

Fluorescence-lifetime-limited trapping of Rydberg helium atoms on a chip

Autorzy: V. Zhelyazkova, M. Žeško*, H. Schmutz, J. A. Agner, F. Merkt
Opublikowane w: Molecular Physics, Numer 117/21, 2019, Strona(/y) 2980-2989, ISSN 0026-8976
Wydawca: Taylor & Francis
DOI: 10.1080/00268976.2019.1600060

Precision measurement of the ionization energy and quantum defects of K 39 i

Autorzy: Michael Peper, Felix Helmrich, Jonas Butscher, Josef Anton Agner, Hansjürg Schmutz, Frédéric Merkt, Johannes Deiglmayr
Opublikowane w: Physical Review A, Numer 100/1, 2019, ISSN 2469-9926
Wydawca: American Physical Society
DOI: 10.1103/PhysRevA.100.012501

Roadmap on photonic, electronic and atomic collision physics: III. Heavy particles: with zero to relativistic speeds

Autorzy: Friedrich Aumayr, Kiyoshi Ueda, Emma Sokell, Stefan Schippers, Hossein Sadeghpour, Frédéric Merkt, Thomas F Gallagher, F Barry Dunning, Paul Scheier, Olof Echt, Tom Kirchner, Stephan Fritzsche, Andrey Surzhykov, Xinwen Ma, Roberto Rivarola, Omar Fojon, Lokesh Tribedi, Emily Lamour, José R Crespo López-Urrutia, Yuri A Litvinov, Vladimir Shabaev, Henrik Cederquist, Henning Zettergren, Marika S
Opublikowane w: Journal of Physics B: Atomic, Molecular and Optical Physics, Numer 52/17, 2019, Strona(/y) 171003, ISSN 0953-4075
Wydawca: Institute of Physics Publishing
DOI: 10.1088/1361-6455/ab26ea

Autoionization rates of core-excited magnesium Rydberg atoms in electric fields using the core fluorescence as a reference

Autorzy: D. Wehrli, M. Génévriez, F. Merkt
Opublikowane w: Physical Review A, Numer 100/1, 2019, ISSN 2469-9926
Wydawca: American Institute of Physics
DOI: 10.1103/PhysRevA.100.012515

Benchmarking Theory with an Improved Measurement of the Ionization and Dissociation Energies of H 2

Autorzy: Nicolas Hölsch, Maximilian Beyer, Edcel J. Salumbides, Kjeld S. E. Eikema, Wim Ubachs, Christian Jungen, Frédéric Merkt
Opublikowane w: Physical Review Letters, Numer 122/10, 2019, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/PhysRevLett.122.103002

The adiabatic ionisation energy of CO 2

Autorzy: U. Hollenstein, K. Dulitz, F. Merkt
Opublikowane w: Molecular Physics, Numer 117/21, 2019, Strona(/y) 2956-2960, ISSN 0026-8976
Wydawca: Taylor & Francis
DOI: 10.1080/00268976.2019.1600061

High-resolution spectroscopy of the transition of MgAr+ by isolated-core multiphoton Rydberg dissociation

Autorzy: M. Génévriez, D. Wehrli, F. Merkt
Opublikowane w: Molecular Physics, Numer HRMS2019, 2019, Strona(/y) 1-8, ISSN 0026-8976
Wydawca: Taylor & Francis
DOI: 10.1080/00268976.2019.1703051

Determination of the Interval between the Ground States of Para- and Ortho- H 2

Autorzy: M. Beyer, N. Hölsch, J. Hussels, C.-F. Cheng, E. J. Salumbides, K. S. E. Eikema, W. Ubachs, Ch. Jungen, F. Merkt
Opublikowane w: Physical Review Letters, Numer 123/16, 2019, Strona(/y) 163002, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.123.163002

Determination of the Interaction Potential and Rovibrational Structure of the Ground Electronic State of MgAr + Using PFI-ZEKE Photoelectron Spectroscopy

Autorzy: Dominik Wehrli, Matthieu Génévriez, Carla Kreis, Josef A. Agner, Frédéric Merkt
Opublikowane w: The Journal of Physical Chemistry A, Numer 124/2, 2019, Strona(/y) 379-385, ISSN 1089-5639
Wydawca: American Chemical Society
DOI: 10.1021/acs.jpca.9b10435

Experimental and theoretical study of core-excited 3 p n d Rydberg series of Mg

Autorzy: Matthieu Génévriez, Dominik Wehrli, Frédéric Merkt
Opublikowane w: Physical Review A, Numer 100/3, 2019, Strona(/y) 032517, ISSN 2469-9926
Wydawca: American Institute of Physics
DOI: 10.1103/physreva.100.032517

Magic Rydberg-Rydberg transitions in electric fields

Autorzy: Michael Peper, Johannes Deiglmayr, Frédéric Merkt, Carla Sanna, H. B. van Linden van den Heuvell
Opublikowane w: Physical Review A, Numer 100/3, 2019, Strona(/y) 032512, ISSN 2469-9926
Wydawca: American Institute of Physics
DOI: 10.1103/physreva.100.032512

Precision Measurements in Few-Electron Molecules: The Ionization Energy of Metastable He 4

Autorzy: Luca Semeria, Paul Jansen, Gian-Marco Camenisch, Federico Mellini, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Review Letters, Numer 124/21, 2020, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.124.213001

Spectroscopy of Highly Excited States of the Hydrogen Atom

Autorzy: Simon Scheidegger, Frédéric Merkt
Opublikowane w: CHIMIA International Journal for Chemistry, Numer 74/4, 2020, Strona(/y) 285-288, ISSN 0009-4293
Wydawca: Schweizerische Chemische Gedellschaft
DOI: 10.2533/chimia.2020.285

Deviation of the rate of the H2+ + D2 reaction from Langevin behaviour below 1 K, branching ratios for the HD2+ + H and H2D+ + D product channels, and product-kinetic-energy distributions

Autorzy: Katharina Höveler, Johannes Deiglmayr, Frédéric Merkt
Opublikowane w: Molecular Physics, Numer 119 (17-18), 2021, Strona(/y) e1954708, ISSN 0026-8976
Wydawca: Taylor & Francis
DOI: 10.1080/00268976.2021.1954708

Ion-Molecule Reactions below 1 K: Strong Enhancement of the Reaction Rate of the Ion-Dipole Reaction He+ + CH3F

Autorzy: Valentina Zhelyazkova, Fernanda B. V. Martins, Josef A. Agner, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Physical Review Letters, Numer 125, 2020, Strona(/y) 263401, ISSN 0031-9007
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.125.263401

Improved ionization and dissociation energies of the deuterium molecule

Autorzy: Hussels Joël, Hölsch Nicolas, Cheng C.F., Salumbides E.J., Bethlem Hendrick L., Eikema Kjeld S.E., Jungen C., Beyer M., Merkt Frédéric, Ubachs W.
Opublikowane w: Physical Review A, Numer 105(2), 2022, ISSN 2469-9934
Wydawca: American Physical Society
DOI: 10.1103/physreva.105.022820

Spectroscopic characterization of a thermodynamically stable doubly charged diatomic molecule: MgAr2+

Autorzy: Dominik Wehrli, Matthieu Génévriez, Frédéric Merkt
Opublikowane w: Physical Chemistry Chemical Physics, Numer 23 (18), 2021, Strona(/y) 10978-10987, ISSN 1463-9076
Wydawca: Royal Society of Chemistry
DOI: 10.1039/d1cp00730k

Complete characterization of the 3 p Rydberg complex of a molecular ion: MgAr + . II. Global analysis of the A + 2 Π and B + 2 Σ + (3pσ,π) states

Autorzy: Matthieu Génévriez, Dominik Wehrli, Frédéric Merkt
Opublikowane w: The Journal of Chemical Physics, Numer 153/7, 2020, Strona(/y) 074311, ISSN 0021-9606
Wydawca: American Institute of Physics
DOI: 10.1063/5.0015608

Cold ion chemistry within a Rydberg-electron orbit: test of the spectator role of the Rydberg electron in the He(n) + CO → C(n') + O + He reaction

Autorzy: Fernanda B V Martins, Valentina Zhelyazkova, Christian Seiler, Frédéric Merkt
Opublikowane w: New Journal of Physics, Numer 23 (9), 2021, Strona(/y) 095011, ISSN 1367-2630
Wydawca: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac231d

Line shapes and line positions in PFI-ZEKE photoelectron and MATI spectra of positively charged ions

Autorzy: D. Wehrli, U. Hollenstein, F. Merkt
Opublikowane w: Molecular Physics, Numer 119 (10), 2021, Strona(/y) e1900613, ISSN 0026-8976
Wydawca: Taylor & Francis
DOI: 10.1080/00268976.2021.1900613

Rydberg–Stark deceleration and trapping of helium in magnetic fields

Autorzy: Matija Žeško, Ondřej Tkáč, Josef A Agner, Hansjürg Schmutz, Frédéric Merkt
Opublikowane w: Journal of Physics B: Atomic, Molecular and Optical Physics, Numer 53 (19), 2020, Strona(/y) 195003, ISSN 0953-4075
Wydawca: Institute of Physics Publishing
DOI: 10.1088/1361-6455/aba662

Molecular-physics aspects of cold chemistry

Autorzy: Merkt, Frédéric
Opublikowane w: Current Trends in Atomic Physics, Les Houches 2016 Lecture Notes, 2019, ISBN 9780198837190
Wydawca: Oxford University Press
DOI: 10.1093/oso/9780198837190.003.0003

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