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  • Eklund, GustavStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. (author)

Cryogenic merged-ion-beam experiments in DESIREE : Final-state-resolved mutual neutralization of Li+ and D-

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • American Physical Society (APS),2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-184361
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-184361URI
  • https://doi.org/10.1103/PhysRevA.102.012823DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-420768URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We have developed an experimental technique to study charge-and energy-flow processes in sub-eV collisions between oppositely charged, internally cold, ions of atoms, molecules, and clusters. Two ion beams are stored in separate rings of the cryogenic ion-beam storage facility DESIREE, and merged in a common straight section where a set of biased drift tubes is used to control the center-of-mass collision energy locally in fine steps. Here, we present measurements on mutual neutralization between Li+ and D- where a time-sensitive imaging-detector system is used to measure the three-dimensional distance between the neutral Li and D atoms as they reach the detector. This scheme allows for direct measurements of kinetic-energy releases, and here it reveals separate populations of the 3s state and the (3p + 3d) states in neutral Li while the D atom is left in its ground state 1s. The branching fraction of the 3s final state is measured to be 57.8 +/- 0.7% at a center-of-mass collision energy of 78 +/- 13 meV. The technique paves the way for studies of charge-, energy-, and mass-transfer reactions in single collisions involving molecular and cluster ions in well-defined quantum states.

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  • Grumer, JonUppsala universitet,Teoretisk astrofysik(Swepub:uu)jongr291 (author)
  • Rosén, StefanStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)sros (author)
  • Ji, MingChaoStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)miji4877 (author)
  • Punnakayathil, NajeebStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)napu8349 (author)
  • Källberg, AndersStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)kallberg (author)
  • Simonsson, AnsgarStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)simonsson (author)
  • Thomas, Richard D.Stockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)rdt (author)
  • Stockett, Mark H.Stockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)mstoc (author)
  • Reinhed, PeterStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)reinhed (author)
  • Löfgren, PatrikStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)lofgren (author)
  • Björkhage, MikaelStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)bjorkhage (author)
  • Blom, MikaelStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)mblom (author)
  • Barklem, Paul S.Uppsala universitet,Teoretisk astrofysik(Swepub:uu)pba11670 (author)
  • Cederquist, HenrikStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)cederq (author)
  • Zettergren, HenningStockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)henning (author)
  • Schmidt, Henning T.Stockholms universitet,Fysikum,Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden.(Swepub:su)schmidt (author)
  • Stockholms universitetFysikum (creator_code:org_t)

Related titles

  • In:Physical Review A: covering atomic, molecular, and optical physics and quantum information: American Physical Society (APS)102:12469-99262469-9934

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