Observation of Feshbach resonances between a single ion and ultracold atoms

P Weckesser, F Thielemann, D Wiater… - Nature, 2021 - nature.com
collision channel is coupled to an l-wave molecular level. … To study the predicted versatility
of atom–ion Feshbach resonances, we … , we evaporatively cool the atomic cloud and obtain …

[HTML][HTML] Stereodynamics of ultracold rotationally inelastic collisions

M Morita, N Balakrishnan - The Journal of Chemical Physics, 2020 - pubs.aip.org
… (PESs) with spectroscopic accuracy are available for the HeH 2 system. Indeed, our recent
study 51 of rotational quenching of HD (v = 1, j = 2 → v′ = 1, j = 0) in cold collisions with He …

Evidence of nonrigidity effects in the description of low-energy anisotropic molecular collisions of hydrogen molecules with excited metastable helium atoms

M Pawlak, PS Żuchowski, N Moiseyev… - Journal of Chemical …, 2020 - ACS Publications
… provide new and propitious prospects in precision spectroscopy, fundamental physics, …
cold molecular collisions. We have investigated excited metastable helium atoms colliding with …

Tracking local and global structural changes in a protein by cold ion spectroscopy

A Zviagin, V Kopysov, NS Nagornova… - Physical Chemistry …, 2022 - pubs.rsc.org
… trap, 27 where they get trapped and cooled in collisions with He buffer gas. Once cooled, the
study demonstrates that, even for biomolecules as large as proteins, cold ion spectroscopy

Genesis of Polyatomic Molecules in Dark Clouds: CO2 Formation on Cold Amorphous Solid Water

M Upadhyay, M Pezzella, M Meuwly - The journal of physical …, 2021 - ACS Publications
… The formation of CO 2 from collision of CO( 1 Σ) and O( 1 D) is characterized on … molecules
can be investigated from computations using high-level electronic structure and molecular

Observation of chemical reactions between a trapped ion and ultracold Feshbach dimers

H Hirzler, RS Lous, E Trimby, J Pérez-Ríos… - Physical Review Letters, 2022 - APS
… and precision spectroscopy [30–35] In this Letter, we report on the observation of cold collisions
… Finally, we study dimer-ion collisions in more detail by tweaking the dimer density in our …

[HTML][HTML] Quantum nature of molecular vibrational quenching: Water–molecular hydrogen collisions

L Wiesenfeld - The Journal of Chemical Physics, 2021 - pubs.aip.org
… universe come from atomic or molecular spectroscopy. For decades, … whether a cold molecule
collision vibrational quenching … The derived data supporting the findings of this study are …

[HTML][HTML] Time-independent quantum theory on vibrational inelastic scattering between atoms and open-shell diatomic molecules: Applications to NO+ Ar and NO+ H …

J Zuo, H Guo - The Journal of Chemical Physics, 2020 - pubs.aip.org
… -reactive channel is open at the energies investigated in this work due to the large reaction
cold collisions with the collision energies from the cold regime of 1.0 cm −1 to the ultra-cold

The COLTRIMS reaction microscope—the spyhole into the ultrafast entangled dynamics of atomic and molecular systems

H Schmidt‐Böcking, J Ullrich, R Dörner… - Annalen der …, 2021 - Wiley Online Library
… to cool down the random motion of the colliding projectiles … They investigated the He single
ionization in collisions with … in electron spectroscopy of Auger type decays of electronic quasi-…

[HTML][HTML] Vibrational quenching of weakly bound cold molecular ions immersed in their parent gas

K Jachymski, F Meinert - Applied Sciences, 2020 - mdpi.com
study theoretically the process of vibrational relaxation of an initially weakly bound molecular
ion due to collisions … , we study the collisional dynamics of a homonuclear molecular ion …