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PHIPSI13 - International Workshop on e+e- collisions from Phi to Psi 2013

9–12 Sept 2013
Dip. di Fisica - "Sapienza" Universita' di Roma - G. Marconi building
Europe/Rome timezone

Session

Tau-lepton Physics

12 Sept 2013, 11:10
Aula Amaldi (Dip. di Fisica - "Sapienza" Universita' di Roma - G. Marconi building)

Aula Amaldi

Dip. di Fisica - "Sapienza" Universita' di Roma - G. Marconi building

Piazzale Aldo Moro, 5 00185 Roma

Presentation materials

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  1. 79. Precision measurement of the tau mass at BESIII
    Dr Xiaohu Mo
    12/09/2013, 11:10
  2. 80. Recent tau results from BELLE
    Dr Simon Eidelman (Budker Institute of Nuclear Physics)
    12/09/2013, 11:30
  3. 81. Recent tau results from BaBar
    Dr Alberto Lusiani (PI)
    12/09/2013, 11:50
  4. 10. Lattice Input on the V_us from inclusive hadronic tau decay data
    Dr Kim Maltman (York University)
    12/09/2013, 12:10
    The determination of V_us via finite energy sum rule analyses of flavor-breaking combinations of non-strange and strange hadronic tau decay data yields values of V_us ~3 sigma below both expectations based on 3-family unitarity and results obtained from analyses of Gamma[K_{ell 3}] and Gamma[K_{mu 2}]/Gamma[pi_{mu 2}]. A key issue in understanding whether this low value represents new physics...
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  5. 29. Alpha_s from tau decays: perturbative expansion of spectral function moments
    Mr Diogo Boito (Technische Universität München)
    12/09/2013, 12:30
    We will discuss recent developments in the QCD description of hadronic tau decays with emphasis in the perturbative contribution. Various moments of the hadronic spectral functions have been employed in the determination of the strong coupling alpha_s from tau decays. We will analyse the behaviour of their perturbative series under different assumptions for the large-order corrections and...
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  6. 15. Low-energy constants and condensates from the V-A spectrum.
    Prof. Santiago Peris (Univ. Autonoma de Barcelona)
    12/09/2013, 12:50
    We present an analysis of the isospin-one V-A correlator based on our successful description of the OPAL V and A non-strange spectral data. We discuss the values obtained for the ChPT low-energy constants L_10 and C_87 as well as the dimension-six and eight condensates and compare them with those in the existing literature.
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