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Non-Leptonic Three-Body B Decays: Theory and Phenomenology

Total Cost €


EC-Contrib. €






Project "NIOBE" data sheet

The following table provides information about the project.


Organization address
address: Arcisstrasse 21
postcode: 80333

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Germany [DE]
 Project website
 Total cost 214˙828 €
 EC max contribution 214˙828 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-GF
 Starting year 2017
 Duration (year-month-day) from 2017-07-01   to  2019-12-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Tests of the Standard Model (SM) of Particle Physics and the search for New Physics (NP) is a central issue in the European program in High-Energy Physics. Weak decays of heavy hadrons have a unique potential for the extraction of SM parameters, the study of CP violation, and the search for NP. Among these, decays of B mesons into three final hadrons are of huge phenomenological interest. They have been studied experimentally at B factories and at the LHC, and will be a cornerstone in the physics program at Belle-II. However, the theoretical basis for such processes has yet not been developed. Through this project, we will establish the theoretical grounds for the description of non-leptonic three-body B decays, from basic principles to phenomenological applications.

The theoretical description of three-body decays requires a generalization of the theory of non-leptonic two-body B decays, which is by now well established. It involves factorization of perturbative and non-perturbative physics --most conveniently achieved in the framework of Soft-Collinear Effective Theory (SCET)--, the calculation of perturbative kernels, and the study of non-perturbative matrix elements. However, this generalization is non-trivial and requires addressing new issues and facing new challenges, making this a highly innovative project.

We are three the participants in this action: - Javier Virto (Main Researcher), with a wide experience in the theory and phenomenology of B decays, will be the driving force in this project, while receiving an intensive training from two of the developers of the theory of hadronic B decays. - Iain Stewart (US partner), developer of Soft-Collinear Effective Theory. - Martin Beneke (EU Host), developer of the QCD Factorization approach and SCET in position space.


year authors and title journal last update
List of publications.
2019 Hrachia Asatrian, Christoph Greub, Javier Virto
Exact NLO Matching and Analyticity in b-->sll
published pages: , ISSN: , DOI:
Submitted to JHEP 2020-04-14
2019 Jim Libby, Vishal Bhardwaj, Javier Virto
Summary of Working Group 5: Physics with Heavy Flavours
published pages: 283, ISSN: , DOI: 10.22323/1.352.0283
Proceedings of XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2019) 2020-04-14
2019 J. Aebischer, M. Fael, A. Lenz, M. Spannowski, J. Virto (editors)
Computing Tools for the SMEFT
published pages: , ISSN: , DOI:
2018 Wolfgang Altmannshofer, David Straub, Javier Virto
Bottom-quark probes of new physics and prospects for B-anomalies
published pages: 115-123, ISSN: , DOI:
Opportunities in Flavour Physics at the HL-LHC and HE-LHC 2020-04-14
2019 Sebastien Descotes-Genon, Alexander Khodjamirian, Javier Virto
Light-Cone Sum Rules for B→Kπ Form Factors and Applications to Rare Decays
published pages: , ISSN: , DOI:
Paper submitted to Journal of High Energy Physics 2020-04-14
2019 Marcel Algueró, Bernat Capdevila, Andreas Crivellin, Sébastien Descotes-Genon, Pere Masjuan, Joaquim Matias, Javier Virto
Emerging patterns of New Physics with and without Lepton Flavour Universal contributions
published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-019-7216-3
The European Physical Journal C 79/8 2020-04-14
2018 Javier Virto
\"Three-body charmless B decays, in \"\"The Belle-II Physics Book\"\"\"
published pages: , ISSN: , DOI:
2018 Christoph Bobeth, Marcin Chrzaszcz, Danny van Dyk, Javier Virto
Long-distance effects in $$Brightarrow K^*ell ell $$B→K∗ℓℓ from analyticity
published pages: , ISSN: 1434-6044, DOI: 10.1140/epjc/s10052-018-5918-6
The European Physical Journal C 78/6 2020-04-14
2017 Shan Cheng, Alexander Khodjamirian, Javier Virto
Timelike-helicity B → π π form factor from light-cone sum rules with dipion distribution amplitudes
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.96.051901
Physical Review D 96/5 2020-04-14
2018 Sébastien Descotes-Genon, Adam Falkowski, Marco Fedele, Martín González-Alonso, Javier Virto
The CKM parameters in the SMEFT
published pages: , ISSN: , DOI:
2017 Rebecca Klein, Thomas Mannel, Javier Virto, K. Keri Vos
CP violation in multibody B decays from QCD factorization
published pages: , ISSN: 1029-8479, DOI: 10.1007/jhep10(2017)117
Journal of High Energy Physics 2017/10 2020-04-14

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