856. WE-Heraeus-Seminar: Challenges in Semileptonic B Decays 2026

from Saturday, April 11, 2026 (9:00 AM) to Thursday, April 16, 2026 (8:00 PM)
Physikzentrum Bad Honnef (PBH)

        : Sessions
    /     : Talks
        : Breaks
Apr 11, 2026
Apr 12, 2026
Apr 13, 2026
Apr 14, 2026
Apr 15, 2026
Apr 16, 2026
AM
9:00 AM
Sunday Morning (until 12:10 PM)
9:15 AM Welcome - Markus Tobias Prim (University of Bonn (DE))  
9:20 AM R(D/D*) from Babar - Abi Soffer (Tel Aviv University (IL))  
9:50 AM An experimental overview of Belle II LFU tests - Ilias Tsaklidis (University of Bonn) Ilias Tsaklidis Ilias Tsaklidis  
10:15 AM --- Tea break ---
10:45 AM Status of R(D/D*) measurements at Belle II with inclusive tagging - Tia Crane  
11:15 AM Status of combined B -> D/D* l nu measurements with Belle II - Michele Mantovano (University and INFN Trieste) Michele Mantovano (Universita & INFN Pisa (IT)) Michele Mantovano (DESY) MICHELE MANTOVANO  
11:45 AM Discussion  
9:00 AM
Heavy to light (until 12:15 PM)
9:00 AM Status of inclusive Vub determinations - Lu Cao (Fudan University) Dr Lu Cao (University of Bonn)  
9:30 AM B to Xu l nu and Vub measurement at Belle II - Tommy Martinov Tommy Martinov (INFN Trieste)  
10:00 AM --- Tea break ---
10:45 AM Novel b-> u ell nu hybrid model - Philipp Horak (University of Victoria)  
11:15 AM Inclusive b -> u discussion - Keri Vos (Nikhef National institute for subatomic physics (NL))  
9:00 AM
Tuesday Morning (until 12:10 PM)
9:15 AM SL D(*) pi and Review of the Gap with possible candidate modes - Raynette van Tonder (KIT) Raynette Van Tonder (Karlsruhe Institute of Technology)  
9:45 AM An experimental overview of Belle II measurements of D** decays - Nada Gharbi  
10:15 AM --- Tea break ---
11:00 AM Angular Analysis of B -> D* l nu with LHCb - Biljana Mitreska (CERN) Biljana Mitreska (The University of Manchester (GB))  
11:30 AM R(D/D*) Combinations: how can we improve - Lucia Grillo (University of Glasgow (GB))  
9:00 AM
Wednesday Morning (until 12:20 PM)
9:00 AM NP in B-> Xc (or higher orders) - Gael Finauri Gael Finauri  
9:30 AM Measurement of the inclusive semileptonic B meson branching fraction with dileptons - Christoph Schwanda (Austrian Academy of Sciences (AT))  
10:00 AM Status of moment measurements relevant for inclusive Vcb determinations with Belle II - Munira Khan (University of Bonn)  
10:30 AM --- Tea break ---
11:10 AM Massive yet Beautiful; the b Quark Kinetic Mass in full QCD - Rens Verkade  
11:40 AM ETM inclusive rate - Alessandro De Santis Alessandro De Santis  
8:00 AM Departure  
PM
3:00 PM Arrival Saturday Evening & joint Dinner  
6:00 PM Dinner   (Basement)
2:00 PM
Sunday afternoon (until 5:50 PM)
2:00 PM Soft Photon corrections to semileptonic decays - Federico Cima  
2:30 PM Fermilab/MILC B->D exclusive form factors - Alejandro Marino Vaquero Avilés-Casco (Universidad de Zaragoza) Dr Alejandro Vaquero Avilés-Casco (University of Utah)  
3:00 PM B-> D(*) l nu with light leptons - Stefan Schacht (Durham University)  
3:30 PM --- Tea break ---
4:15 PM RBC/UKQCD exclusive form factors focus Bs to Ds star - Oliver Witzel (Universität Siegen) Oliver Witzel (University of Edinburgh)  
4:45 PM On the simulated kinematic distributions of semileptonic B decays - Raynette van Tonder (KIT) Raynette Van Tonder (Karlsruhe Institute of Technology) Florian Herren (UZH)  
5:05 PM Discussion - Marzia Bordone (JGU Mainz)  
12:15 PM --- Group Photo ---
2:00 PM
Heavy to light (until 5:45 PM)
2:00 PM Theory review of B -> pi pi l nu decays - Florian Herren (UZH)  
2:30 PM B to rho l nu at LHCb - Michel De Cian (The University of Manchester (GB))  
3:00 PM --- Tea break ---
3:45 PM Fermilab/MILC B->π etc. exclusive form factors - Andreas Kronfeld  
4:15 PM FLAG perspective - Dr Enrico Lunghi (Indiana University) Enrico Lunghi  
4:45 PM On-shell Vcb measurement at Atlas - Elisabeth Schopf (Universitaet Siegen (DE))  
5:15 PM Discussion session  
8:30 PM
Lightning Talks (until 10:00 PM)
8:30 PM Testing Lepton Flavour Universality with Λb → Λc τ ν - Mrityunjoy Singha (Eotvos Lorand University (HU))  
8:35 PM Towards relaxing the standard model assumption in R(D(*)+) - Dylan Cameron Houston (University of Glasgow (GB)) Dylan Houston (University of Glasgow (GB))  
8:40 PM Poster: B(s) → D(s) semileptonic decay form factors from highly improved staggered quarks - Akhil Chauhan  
8:45 PM Poster: B -> pi l nu using n_f = 2+1+1 highly improved staggered quarks - Nick Cassar  
8:50 PM Poster: New Physics in B \to \ell \nu decays - Danilo Ricciardella  
8:55 PM Poster: Status and prospects for |Vub| measurements - Alois Caillet (Centre National de la Recherche Scientifique (FR))  
9:00 PM Poster: Angular Analysis of $B^0 \to D^{* -}\mu^+ \nu_\mu$ at LHCb - David Vico Benet (University of Oxford (GB))  
9:05 PM Poster: Measurement of the Branching Ratio and CKM Matrix element |V_{cb}| in $B→ X_c l nu Semileptonic Decays at Belle II - Rajeshwari Roy  
2:00 PM
Tuesday Afternoon (until 5:25 PM)
2:00 PM Phenomenological studies of Lambda_b -> Lambda_c Tau Nu - Biplab Dey (Eotvos U.)  
2:30 PM LHCb & Belle II b -> c tau nu Combinations - Maria Colonna Marco Colonna (Technische Universitaet Dortmund (DE))  
3:00 PM Semileptonic Baryonic decays - Anna Lupato (Università di Bergamo & INFN Padova)  
3:30 PM --- Tea break ---
4:15 PM Heavy quark physics in the ALPHA Collaboration: strategy and application to semileptonic $B$-decay form factors - Gregorio Herdoiza  
4:45 PM Angular analysis in Bs to Ds* ell nu - Federico Manganella (INFN e Universita Roma Tor Vergata (IT))  
1:35 PM
Afternoon (until 5:20 PM)
2:00 PM Bumpy road toward understanding of the incl/excl puzzle through lattice - Shoji Hashimoto (KEK) Shoji Hashimoto (KEK)  
2:30 PM Inclusive charm (theory) - Qin Qin  
3:00 PM Inclusive SL charm decays at BES III and outlook for STCF - Alexander Leon Gilman (University of Cincinnati (US)) Alex Gilman Alex Gilman  
3:30 PM --- Tea break ---
4:15 PM FCC-ee as a discovery machine for Flavor: a theorists view - Zoltan Ligeti (Lawrence Berkeley National Lab. (US))  
4:45 PM FCC-ee as a discovery machine for Flavor: an experimentalists view - Marie-Helene Schune (Université Paris-Saclay (FR)) Marie-Helene Schune (Université Paris-Saclay (FR))