Home News About Us Contact Contributors Disclaimer Privacy Policy Help FAQ

Home
Search
Quick Search
Advanced
Fulltext
Browse
Collections
Persons
My eDoc
Session History
Login
Name:
Password:
Documentation
Help
Support Wiki
Direct access to
document ID:


          Institute: MPI für Kernphysik     Collection: Spectroscopy and Dynamics of Trapped and Stored Ions     Display Documents



  history
ID: 266690.0, MPI für Kernphysik / Spectroscopy and Dynamics of Trapped and Stored Ions
DR rate coefficient measurements using stored beams of H3+ and its isotopomers
Authors:Lammich, L.; Strasser, D.; Kreckel, H.; Altevogt, S.; Andrianarijaona, V.; Buhr, H.; Lange, M.; Pedersen, H.; Schwalm, D.; Wolf, A.; Zajfman, D.
Language:English
Date of Publication (YYYY-MM-DD):2005
Title of Journal:Journal of Physics:Conference Series
Journal Abbrev.:J. Phys.:Conf. Ser.
Volume (in Journal):4
Start Page:98
End Page:103
Name of Conference/Meeting:SIXTH INTERNATIONAL CONFERENCE ON DISSOCIATIVE RECOMBINATION: THEORY, EXPERIMENTS AND APPLICATIONS
Place of Conference/Meeting:Mosbach
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2004-07-12
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2004-07-16
Copyright:IOP
Review Status:Peer-review
Audience:Experts Only
Intended Educational Use:No
Abstract / Description:In studies of the rate coefficient of the dissociative recombination of H3+ and its isotopomers, the rovibrational excitation of the molecular ions was found to play an important role, in particular when employing the technique of heavy-ion storage rings. The dependence of the DR rate on rotational excitation was investigated in recent experiments at the Test Storage Ring TSR in Heidelberg through time-resolved measurements on D2H+ and H3+ over long storage times. For both molecules, an influence of rotational excitation on the DR rate was observed. The level of excitation in turn was found to be dominated by radiative coupling to the surrounding 300 K background for D2H+. In the case of H3+, a strong influence of electron collisions on the excitation level was found, whereas an additional influence of collisions with residual gas in the storage ring cannot be excluded.
External Publication Status:published
Document Type:Conference-Paper
Affiliations:MPI für Kernphysik/Group D. Schwalm/Atomic and Molecular Physics with Stored Ions (A. Wolf)
External Affiliations:Dept. of Particle Physics, Weizmann Institute of Science, Rehovot, Israel
The scope and number of records on eDoc is subject to the collection policies defined by each institute - see "info" button in the collection browse view.