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  Measurement of the Decay Rate of the Negative Ion of Positronium (Ps-)

Fleischer, F., Degreif, K., Gwinner, G., Lestinsky, M., Liechtenstein, V., Plenge, F., et al. (2006). Measurement of the Decay Rate of the Negative Ion of Positronium (Ps-). Physical Review Letters, 96(6): 063401, pp. 1-4.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-86EF-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0026-B254-1
Genre: Journal Article

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 Creators:
Fleischer, F.1, Author           
Degreif, K.1, Author           
Gwinner, G.1, Author           
Lestinsky, M.2, Author           
Liechtenstein, V.3, Author
Plenge, Florian1, Author           
Schwalm, D.1, Author           
Affiliations:
1Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546              
2Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
3Kurchatov Institute, Moscow, Russia, ou_persistent22              

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 Abstract: A new determination of the decay rate of the negative ion of positronium (Ps-), using a beam-foil method and a stripping-based detection technique, is reported. The measured result of Γ=2.089(15) ns-1 is a factor of 6 more precise than the previous experimental value of Γ=2.09(9) ns-1, and is in excellent agreement with the theoretical value of Γ=2.086(6) ns-1.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 281994
 Degree: -

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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 96 (6) Sequence Number: 063401 Start / End Page: 1 - 4 Identifier: -