Joint workshop on |Vub| & |Vcb| at the B-Factories

Name: Joint workshop on |Vub| & |Vcb| at the B-Factories
Start: 2007-12-14T08:30:00+01:00
End: 2007-12-16T12:30:00+01:00
Location: Physikalisches Institut Heidelberg

14 Dec 2007, 08:30 → 16 Dec 2007, 12:30 Europe/Zurich

Physikalisches Institut Heidelberg

Philosophenweg 12 69120 Heidelberg

Friday 14 December
- 08:30 → 08:40
  
  Welcome
  
  slides
  
  Slides (pdf)
- 08:40 → 12:30
  |Vcb| from exclusive semileptonic decays
  - 08:40
    
    Overview of experimental results on B -> D/D* l nu (15') 30m
    
    Speaker: Marcello Rotondo (Universita' di Padova)
    
    Slides
  - 09:10
    
    Overview and Recent developments in Form-Factor calculations on the lattice for B -> D(*) l nu decays (20') 35m
    
    Speaker: Jack Laiho (FNAL)
    
    Slides
  - 09:45
    
    Overview of experimental results on B -> D** l nu (15') 30m
    
    Speaker: Dmitri Liventsev (ITEP Moscow)
    
    Slides
  - 10:15
    
    Coffee 20m
  - 10:35
    
    Theoretical Overview on B -> D** l nu decays (20') 35m
    
    Speaker: Olivier Pene (Paris Sud)
    
    Video
  - 11:10
    
    Discussion (chairs: David Lopes Pegna, Christoph Schwanda, etc.) 1h 20m
    
    (a) Questions
    
    (b) Recent References
    
    (c) Lattice QCD workshop 2006 References
    
    (d) b → c l ν Exclusive References (Vxb workshop 2003)
- 12:30 → 14:00
  
  Lunch 1h 30m
- 14:00 → 18:40
  |Vub| from exclusive semileptonic decays
  - 14:00
    
    Progress in form factors for charmless semileptonic decays from Lattice QCD (20') 35m
    
    Speaker: Paul Mackenzie (FNAL)
    
    Slides
  - 14:35
    
    Overview of non-lattice approaches for form factors in exclusive B -> Xu l nu decays (20') 35m
    
    Speaker: Alexander Khodjamirian (Siegen)
    
    Slides
  - 15:10
    
    Overview of B -> scalar(pi/eta/eta') l nu Measurements: Branching Fractions and Form Factors (15') 30m
    
    Speaker: Benoit Viaud (Orsay)
    
    Slides
  - 15:40
    
    Coffee 20m
  - 16:00
    
    Overview of B -> vector(rho/omega) l nu Measurements: Branching Fractions and Form Factors (15') 30m
    
    Speaker: Matt Shepherd (Indiana)
    
    Slides
  - 16:30
    
    Computer package for exclusive determinations (15') 30m
    
    Speaker: Christopher Arnesen (Carnegie Mellon University)
    
    Slides
  - 17:00
    
    Discussion (chairs: Paul Mackenzie, Jochen Dingfelder, Christoph Schwanda) 1h 30m
    
    (a) Questions
    
    (b) Recent References
    
    (c) Lattice QCD workshop 2006 References
    
    (d) b → u l ν Exclusive References (Vxb workshop 2003)
- 19:30 → 21:30
  
  Social Dinner at the Restaurant Perkeo in the old town http://www.perkeo.info/mvr/eingang.htm 2h
Saturday 15 December
- 08:30 → 12:50
  |Vcb| from inclusive decays and quark mass determination
  - 08:30
    
    Theoretical basis for the extraction of Vcb from inclusive B to Xc l nu decays and the uncertainties (20') 40m
    
    Speaker: Thomas Mannel (Siegen)
    
    Slides
  - 09:10
    
    b->c moments in the kinetic scheme (10') 20m
    
    Speaker: Paolo Giordano (Universita' di Torino)
    
    Slides
  - 09:30
    
    Overview of measurements of inclusive spectra and moments in b to s gamma decays (10') 20m
    
    Speaker: Henning Flaecher (CERN)
    
    Slides
  - 09:50
    
    Overview of measurements of inclusive distributions and moments in B to Xc l nu Decays, Results of OPE fits in different schemes (15') 30m
    
    Speaker: Mihikiko Nakao (KEK)
    
    Slides
  - 10:20
    
    Coffee 20m
  - 10:40
    
    Definition and extraction of b- and c- quark masses (15') 30m
    
    Speaker: Andre Hoang (MPI Munich)
    
    Slides
  - 11:10
    
    Measurements of b- and c-quark masses (15') 30m
    
    Speaker: Robert Kowalewski (U. Victoria)
    
    Slides
  - 11:40
    
    Discussion (chairs: Vera Luth, Thomas Mannel, Phillip Urquijo) 50m
    
    (a) Questions
    
    (b) Recent References
    
    (c) Vxb workshop 2004 References
    
    (d) b → c l ν Inclusive References (Vxb workshop 2003)
    
    mb translation and influence of b->sg moments
  - 12:30
    
    Vxb at Y(5S) 20m
    
    Speaker: Toru Iijima (Nagoya University)
    
    Slides
- 12:30 → 14:00
  
  Lunch 1h 30m
- 14:00 → 19:00
  |Vub| from inclusive semileptonic decays
  - 14:00
    
    Measurement of partial Branching Fractions and Extraction of |Vub| using Tagged Analyses (10') 20m
    
    Speaker: Philip Urquijo (University of Geneva)
    
    Slides
  - 14:20
    
    Measurement of partial Branching Fractions and Extraction of |Vub| using Untagged Analyses (10') 20m
    
    Speaker: Heiko Lacker (Berlin University)
    
    document
  - 14:40
    
    Studies of Weak Annihilation (10') 20m
    
    Speaker: Franco Simonetto (Universita' di Padova)
    
    Slides
  - 15:00
    
    Determination of |Vub| in the Kinetic scheme and Weak Annihilation (20') 40m
    
    Speaker: Paolo Gambino (Universita' di Torino)
    
    Slides
  - 15:40
    
    break 20m
  - 16:00
    
    Determination of |Vub| with the Analytic Coupling Method (20') 40m
    
    Speaker: Giancarlo Ferrera (Universita' di Firenze)
    
    Slides
  - 16:40
    
    Perspectives on |Vub| and B->Xs gamma (20') 40m
    
    Speaker: Matthias Neubert (Mainz University)
    
    Slides
  - 17:20
    
    Determination of |Vub| with the Gluon Dressed Exponentiation method (15') 30m
    
    Speaker: Einan Gardi (University of Edinburgh)
    
    Slides
  - 17:50
    
    Discussion (chairs: Elisabetta Barberio, Francesca Di Lodovico, Gil Paz) 1h 10m
    
    (a) Questions
    
    (b) Recent References
    
    (c) Vxb workshop 2004 References
    
    (d) References on the Shape Function (Vxb workshop 2003)
    
    (e) References on b → u l ν, b → s γ inclusive (Vxb workshop 2003)
Sunday 16 December
- 08:30 → 10:20
  |Vub| from inclusive semileptonic decays
  - 08:30
    
    Leading Shape Function (20') 40m
    
    Speaker: Frank Tackmann (LBNL & UC Berkeley)
    
    Slides
  - 09:10
    
    Subleading Shape Function (10') 20m
    
    Speaker: Gil Paz (Institute for Advanced Study, Princeton)
    
    Slides
  - 09:30
    
    Improved determination of |Vub| in inclusive untagged analyses at the B-Factories (15') 30m
    
    Speaker: Kerstin Tackmann (LBNL & UC Berkeley)
    
    Slides
  - 10:00
    
    Coffee 20m
- 10:20 → 12:25
  
  Discussion: How do we arrive to a credible |Vxb| determination, i.e. with credible uncertainties, from multiple measurements and multiple theoretical calculations?
  
  Questions
- 12:25 → 12:30
  
  Adjour