Name: Belle II & Theory Workshop 2026
Start: 2026-07-01T08:00:00+02:00
End: 2026-07-03T18:30:00+02:00
Location: No location set

Belle II & Theory Workshop 2026

from Wednesday, 1 July 2026 (08:00) to Friday, 3 July 2026 (18:30)

Monday, 29 June 2026
Tuesday, 30 June 2026
Wednesday, 1 July 2026

08:00 Registration

08:00 - 09:00

09:00 Opening talks

09:00 - 10:00
10:00 Time-dependent CP violation
10:00 - 13:00
Contributions

10:00 High precision measurements of $phi_d$ and $phi_s$ - Kristof De Bruyn (Groningen University)

10:30 $\phi_1$ measurements at Belle II

11:00 Coffee break

11:30 $phi_2$ determinations and prospects - Olivier Deschamps (Clermont-Ferrand University)

12:00 $phi_2$ measurements at Belle II

12:30 CP violation in $B^0\to K_S \pi^0$ and $K\pi$ puzzle - Eleftheria Malami (Cambridge University)
14:25 Electroweak Penguins
14:25 - 18:30
Contributions

14:30 Overview of $b \to s/d \ell^{+} \ell^{-}$ ($\ell= e/\mu/\tau$) at Belle II EXP

15:00 Predictions of inclusive $B\to X_{s} \ell \ell$ ($\ell=\nu / e /\mu /\tau$) - Jack Jenkins

15:30 Overview od $b \to s \nu \bar{\nu}$ and LFV searches at Belle II (experimental talk) - Valerio Bertacchi (INFN - Pisa)

16:00 Exclusive $b\to s \nu\bar{\nu}$ and third generation NP - Lukas Allwicher

16:30 Coffee break

17:00 Radiative $B$ decays at Belle II EXP

17:30 Predictions for $B \to X_{s} \gamma$ - Matteo Fael

18:00 Global fits of rare $b$-data - Wolfgang Altmannshofer
18:45 Reception and Poster presentations

18:45 - 20:15
Thursday, 2 July 2026

08:30 Registration

08:30 - 09:00
09:00 QIS in HEP
09:00 - 09:25
Contributions

09:00 QIS in HEP - Beatrix Hiesmayr
09:25 Tau and Dark Sector
09:25 - 13:05
Contributions

09:25 SM tests via precision measurements in $\tau$ physics - Antonio Rodriguez Sanchez

09:50 LFV, direct searches for NP with taus - Maxim Pospelov

10:15 Experimental overview of precision Tau physics at Belle II - Paolo Leo (BELLE (BELLE II Experiment))

10:40 Experimental overview of NP searches with Tau at Belle II - Marcela Garcia (BELLE (BELLE II Experiment))

11:25 Introduction to dark sector session - Luigi Corona (BELLE (BELLE II Experiment)) Marcello Campajola (BELLE (BELLE II Experiment)) Michele Tammaro

11:30 Neutrino compositness - Matteo Borrello

11:50 Dark Higgs-strahlung - Francesca Acanfora

12:15 Dark light shining on B --> K(*) E_miss - Patrick Bolton

12:40 Dark sector searches at Belle II - Alexander Heidelbach (LMU Munich)
14:30 Hadronic B decays / Upgrade
14:30 - 18:45
Contributions

14:30 A new formalism to study CP asymmetries in hadronic multi-body $B$ decays - Leon Heuser

14:50 Determination of $I(K^*\pi)$ at Belle II - Oskar Tittel (Max Planck Institute for Physics)

15:10 B-> charm meson/baryon at Belle II

15:30 class-I and charmless two-body B decays - Gilberto Tetlalmatzi-Xolocotzi

15:50 Class-I B-> D pi(K) decays - Robert Fleischer

16:15 Coffee break

16:45 Introduction to the Belle II upgrade

17:05 Where Belle II will have the strongest impact in 2030 and beyond - Ludovico Vittorio

17:35 Physics opportunities with forward taggers - Roberto Franceschini Xiaolong Wang (Fudan University)

18:10 Physics opportunities with Chiral Belle - Aurelien Martens (BELLE (BELLE II Experiment)) Joel Gogniat
Friday, 3 July 2026

08:30 Registration

08:30 - 09:00
09:00 (Semi)leptonic B decays
09:00 - 12:00
Contributions

09:00 Status of HQE fits and future opportunities - Alexandre Carvunis

09:25 Incl & Excl Vcb: Current precision & expected improvements - Munira Khan (University of Bonn)

09:45 In search of the SL gap (including modelling, strategies for unmeasured decays) - Daniel Ivanov (BELLE (BELLE II Experiment))

10:05 LHCb Belle II R(D*) Likelihood Average - Ilias Tsaklidis (University of Bonn)

10:25 Coffee break

10:55 Lattice calculations for semileptonic decays to resonances - Luka Leskovec

11:20 Incl & Excl Vub: Current precision & expected improvements - Tommy Martinov (BELLE (BELLE II Experiment))

11:40 QED corrections to B -> mu nu decays - Max Ferré
12:00 Charm
12:00 - 13:00
Contributions

12:00 Hadronic charm and CPV overview - Stefan Schacht

12:20 CPV in charm, hadronic, and radiative decays - Riccardo Manfredi (BELLE (BELLE II Experiment))

12:40 Discussion
14:30 Charm
14:30 - 16:00
Contributions

14:30 Theory landscape for invisibles in charm - Dominik Suelmann

14:50 Belle II perspectives on invisibles - Chanho Kim (Yonsei University)

15:10 Long-distance effects in semi-leptonic charm decays - Anshika Bansal

15:30 Discussion
16:00 Quarkonium
16:00 - 18:00
Contributions

16:00 Coffee break

16:30 Born-Oppenheimer EFT - Nora Brambilla

17:00 The phenomenological studies relevant for BelleII - Xiangkun Guo

17:30 Coupled-channel analysis - Nils Huesken
18:00 Closing talk

18:00 - 18:30