H. Cederquist

activity

20172022

^{+}

^{-}

^{-}

and Na

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^{-}

collisions: Implications of experimental results for non-LTE modelling of stellar spectra

20 citations · 35 across the 3 of their papers we have counts for

collaborators

Showing physics.atm-clusShow all

6 papers · 1 filter

physics.atm-clus2019

Spontaneous electron emission from hot silver dimer anions: Breakdown of the Born-Oppenheimer approximation

E. K. Anderson, A. F. Schmidt-May, P. K. Najeeb +8

We report the first experimental evidence of spontaneous electron emission from a homonuclear dimer anion through direct measurements of $\rm{Ag}_2^- \rightarrow \rm{Ag}_2 + \rm{e}…

physics.atm-clus2019

Ultraslow radiative cooling of C $_{n}^{-}$ ( $n = 3 - 5$ )

James N. Bull, Michael S. Scholz, Eduardo Carrascosa +8

Ultraslow radiative cooling lifetimes and adiabatic detachment energies for three astrochemically relevant anions, C $_{n}^{-}$ ( $n = 3 - 5$ ), are measured using the Double ElectroStatic Io…

physics.atm-clus2018

Decays of excited silver cluster anions Ag $_{n}$ , $n = 4$ to $7$ , in DESIREE

E. K. Anderson, M. Kamińska, K. C. Chartkunchand +6

Spontaneous decays of small, hot silver cluster anions Ag $_{n}$ , $n = 4 - 7$ have been studied using one of the rings of the Double ElectroStatic Ion Ring ExpEriment (DESIREE). Observa…

physics.atm-clus2018

Spontaneous decay of small copper cluster anions Cu $_{n}^{-}$ , $n = 3 - 6$ on long time scales

K. Hansen, M. H. Stockett, M. Kaminska +8

We have measured the spontaneous neutral particle emission from copper cluster anions (Cu $_{n}^{-}$ , $n = 3 - 6$ ) stored at cryogenic temperatures in one of the electrostatic ion storage r…

physics.atm-clus2018

Dianion diagnostics in DESIREE: High-sensitivity detection of $C_{n}^{2 -}$ from a sputter ion source

K. C. Chartkunchand, M. H. Stockett, E. K. Anderson +14

A sputter ion source with a solid graphite target has been used to produce dianions with a focus on carbon cluster dianions, $C_{n}^{2 -}$ , with $n = 7 - 24$ . Singly and doubly c…

physics.atm-clus2017★ 14 cited

Ion-Induced Molecular Growth in Clusters of Small Hydrocarbon Chains

Michael Gatchell, Rudy Delaunay, Giovanna D'Angelo +7

We report on studies of collisions between 3 keV Ar $^{+}$ projectile ions and neutral targets of isolated 1,3-butadiene (C $_{4}$ H $_{6}$ ) molecules and cold, loosely bound clusters of the…

Spontaneous electron emission from hot silver dimer anions: Breakdown of the Born-Oppenheimer approximation

Ultraslow radiative cooling of Cn−​ (n=3−5)

Decays of excited silver cluster anions Agn​, n=4 to 7, in DESIREE

Spontaneous decay of small copper cluster anions Cun−​, n=3−6 on long time scales

Dianion diagnostics in DESIREE: High-sensitivity detection of Cn2−​ from a sputter ion source

Ion-Induced Molecular Growth in Clusters of Small Hydrocarbon Chains

Ultraslow radiative cooling of C $_{n}^{-}$ ( $n = 3 - 5$ )

Decays of excited silver cluster anions Ag $_{n}$ , $n = 4$ to $7$ , in DESIREE

Spontaneous decay of small copper cluster anions Cu $_{n}^{-}$ , $n = 3 - 6$ on long time scales

Dianion diagnostics in DESIREE: High-sensitivity detection of $C_{n}^{2 -}$ from a sputter ion source