The scalar contribution toτ →K πν τ

Markus Finkemeier1, E. Mirkes2
1Lyman Laboratory of Physics, Harvard University, Cambridge, USA
2Institut für Theoretische Teilchenphysik, Universität Karlsruhe, Karlsruhe, Germany

Tóm tắt

Từ khóa


Tài liệu tham khảo

CLEO Collaboration, CLEO preprint CLNS 96/1391 (1996)

CLEO Collaboration, Phys. Rev. Lett B73 (1994) 1079.

ALEPH Collaboration, CERN-PPE/95-140, (1995),ibid Phys. Lett B332 (1994) 209, B332 (1994) 219; L3 Collaboration, Phys. Lett B352 (1995) 487; DELPHI Collaboration, Phys. Lett B334 (1994) 435.

M. Finkemeier and E. Mirkes, Z. Phys. C69 (1996) 243.

There is some experimental evidence at CLEO of events at largeK 0 π − mass beyond those expected fromK*(890). How much of this is due toK 0 K − background is not yet clear, however (J. Smith, personal communication).

J. H. Kühn and E. Mirkes, Z. Phys. C56 (1992) 661; Erratumibid. C67 (1995) 364.

M. Finkemeier and E. Mirkes, in the proceedings of the Workshop on the Tau/Charm Factory, Argonne National Laboratory, (1995).

R. Fischer, J. Wess and F. Wagner, Z. Phys. C3 (1980) 313; see also: G. Colangelo, M. Finkemeier and R. Urech, BUTP-96/9, HUTP95/-A051, TTP96-02, hep-ph/9604279; and references therein.

J. Gasser and H. Leutwyler, Nucl. Phys. B250 (1985) 517; see also: J. Bijnens, G. Colangelo, G. Ecker, J. Gasser, “Semileptonic kaon decays”, in: 2nd Edition of the Daphne Physics Handbook, Eds. L. Maiani et al., Frascati (1995); and references therein.

L. Beldjoudi, T.N. Truong, Phys. Lett. B351 (1995) 357.

R. Decker, E. Mirkes, R. Sauer and Z. Was, Z. Phys. C58 (1993) 445.

For a discussion on this point see: N. Isgur, C. Morningstar, C. Reader, Phys. Rev. D39 (1989) 1357 (in particular Appendix A).

B. Heltsley, Nucl. Phys. B (Proc. Suppl.) 40, (1995) 413.

J. H. Kühn and A. Santamaria, Z. Phys. C 48 (1990) 445.

J.H. Kühn and E. Wagner, Nucl. Phys. B236 (1984) 16.

J.H. Kühn and E. Mirkes, Phys. Lett. B 286, 281 (1992).

R. Decker and E. Mirkes, Z. Phys. C57 (1993) 495.