Evidence for Subthermal Rotational Populations in Stored Molecular Ions through 
State-Dependent Dissociative Recombination

Lammich, L.; Strasser, D.; Kreckel, H.; Lange, M.; Pedersen, H.; Altevogt, S.; Andrianarijaona, V.; Buhr, H.; Heber, O.; Witte, P.; Schwalm, D.; Wolf, A.; Zajfman, D.

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Evidence for Subthermal Rotational Populations in Stored Molecular Ions through State-Dependent Dissociative Recombination

Lammich, L., Strasser, D., Kreckel, H., Lange, M., Pedersen, H., Altevogt, S., et al. (2003). Evidence for Subthermal Rotational Populations in Stored Molecular Ions through State-Dependent Dissociative Recombination. Physical Review Letters, 91(14): 143201, pp. 1-4.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8DF6-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8DF7-A

Genre: Journal Article

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Creators:
Lammich, L.¹, Author
Strasser, D.¹, Author
Kreckel, H.¹, Author
Lange, M.¹, Author
Pedersen, H.², Author
Altevogt, S.¹, Author
Andrianarijaona, V.¹, Author
Buhr, H.², Author
Heber, O.³, Author
Witte, P.², Author
Schwalm, D.², Author
Wolf, A.¹, Author
Zajfman, D.², Author

Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548
2Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546
3Department of Particle Physics, Weizmann Institute of Science, Rehovot, 76100, Israel, ou_persistent22

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Abstract: We demonstrate that the dissociative recombination of D/sub 2/H/sup +/ with low-energy electrons depends on the rotational energy of the molecular ion such that highly excited ions have a larger rate coefficient than colder ones. Observations on an ion beam continuously interacting with electrons at low relative velocity indicate that excited rotational levels are preferentially depleted which, in competition with radiative heating due to blackbody radiation, provides an opportunity for controlling the rotational temperature of stored molecules

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Language(s): eng - English

Dates: Date issued: 2003-10-03

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 50993

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Title: Physical Review Letters

Source Genre: Journal

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Pages: - Volume / Issue: 91 (14) Sequence Number: 143201 Start / End Page: 1 - 4 Identifier: -