Home > Publications database > Lifetime of Kaonium > print

001     43375
005     20240610120720.0
017 _ _ |a This version is available at the following Publisher URL: http://prd.aps.org
024 7 _ |a 10.1103/PhysRevD.69.016003
|2 DOI
024 7 _ |a WOS:000188785800064
|2 WOS
024 7 _ |a arXiv:hep-ph/0307288
|c hep-ph
|2 arXiv
024 7 _ |a arXiv:oai:arXiv.org:hep-ph/0307288
|2 arXiv
024 7 _ |a 2128/1690
|2 Handle
024 7 _ |a altmetric:3331046
|2 altmetric
035 _ _ |a hep-ph/0307288
|9 arXiv
|c hep-ph
035 _ _ |a oai:arXiv.org:hep-ph/0307288
|9 arXiv
|z oai:arXiv.org:hep-ph/0307288
035 _ _ |9 DESY
|z D03-14695
035 _ _ |9 SPIRESTeX
|z Krewald:2003ab
037 _ _ |a PreJuSER-43375
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |a Astronomy & Astrophysics
|2 WoS
084 _ _ |a Physics, Particles & Fields
|2 WoS
084 _ _ |a 11.10.St
|2 PACS
084 _ _ |a 14.40.Aq
|2 PACS
084 _ _ |a 14.40.Cs
|2 PACS
084 _ _ |a 36.10.-k
|2 PACS
100 1 _ |a Krewald, S.
|b 0
|u FZJ
|0 P:(DE-Juel1)131218
245 _ _ |a Lifetime of Kaonium
260 _ _ |a [S.l.]
|b Soc.
|c 2004
264 _ 1 |3 online
|2 Crossref
|b American Physical Society (APS)
|c 2004-01-29
264 _ 1 |3 print
|2 Crossref
|b American Physical Society (APS)
|c 2004-01-01
300 _ _ |a 016003
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Physical Review D
|x 1550-7998
|0 4923
|v 69
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The kaon-antikaon system is studied in both the atomic and the strongly interacting sector. We discuss the influence of the structures of the f(0)(980) and the a(0)(980) mesons on the lifetime of kaonium. The strong interactions are generated by vector meson exchange within the framework of the standard SU(3)(V)xSU(3)(A) invariant effective Lagrangian. In the atomic sector, the energy levels and decay widths of kaonium are determined by an eigenvalue equation of the Kudryavtsev-Popov type, with the strong interaction effects entering through the complex scattering length for K (K) over bar scattering and annihilation. The presence of two scalar mesons f(0)(980) and a(0)(980) leads to a ground state energy for the kaonium atom that is shifted above the point Coulomb value by a few hundred eV. The effect on the lifetime for the kaonium decay into two pions is much more dramatic. This lifetime is reduced by two orders of magnitude from 1.2x10(-16) sec for annihilation in a pure Coulomb field down to 3.2x10(-18) sec when the strong interactions are included. The analysis of the two photon decay width of the f(0)(980) suggests a generalization of the molecular picture which reduces the lifetime of kaonium still further to 1.1x10(-18) sec.
536 _ _ |a Physik der Hadronen
|c M01
|2 G:(DE-HGF)
|0 G:(DE-Juel1)FUEK241
|x 0
542 _ _ |i 2004-01-29
|2 Crossref
|u http://link.aps.org/licenses/aps-default-license
588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a K+ K-: bound state
|2 INSPIRE
650 _ 7 |a atom: exotic
|2 INSPIRE
650 _ 7 |a bound state: lifetime
|2 INSPIRE
650 _ 7 |a a0(980)
|2 INSPIRE
650 _ 7 |a f0(980)
|2 INSPIRE
650 _ 7 |a vector meson: exchange
|2 INSPIRE
650 _ 7 |a effective Lagrangian
|2 INSPIRE
650 _ 7 |a symmetry: SU(3) x SU(3)
|2 INSPIRE
650 _ 7 |a energy levels
|2 INSPIRE
650 _ 7 |a K anti-K: annihilation
|2 INSPIRE
650 _ 7 |a potential
|2 INSPIRE
650 _ 7 |a K anti-K: scattering length
|2 INSPIRE
650 _ 7 |a binding energy
|2 INSPIRE
650 _ 7 |a pi+ pi-: annihilation
|2 INSPIRE
650 _ 7 |a K: pair production
|2 INSPIRE
650 _ 7 |a mass spectrum
|2 INSPIRE
650 _ 7 |a bound state: wave function
|2 INSPIRE
650 _ 7 |a ground state
|2 INSPIRE
650 _ 7 |a numerical calculations
|2 INSPIRE
650 _ 7 |a tables
|2 INSPIRE
650 _ 7 |a bibliography
|2 INSPIRE
700 1 _ |a Lemmer, R. H.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB46913
700 1 _ |a Sassen, F. P.
|b 2
|u FZJ
|0 P:(DE-Juel1)VDB46914
773 1 8 |a 10.1103/physrevd.69.016003
|b : American Physical Society (APS), 2004-01-29
|n 1
|p 016003
|3 journal-article
|2 Crossref
|t Physical Review D
|v 69
|y 2004
|x 1550-7998
773 _ _ |a 10.1103/PhysRevD.69.016003
|g Vol. 69, p. 016003
|p 016003
|n 1
|q 69<016003
|0 PERI:(DE-600)2844732-3
|t Physical review / D
|v 69
|y 2004
|x 1550-7998
856 7 _ |u http://dx.doi.org/10.1103/PhysRevD.69.016003
|u http://hdl.handle.net/2128/1690
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913 1 _ |k M01
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914 1 _ |y 2004
915 _ _ |0 StatID:(DE-HGF)0010
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920 1 _ |k IKP-TH
|l Institut 3 (Theoretische Kernphysik)
|d 31.12.2006
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