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Hadron Physics in the era of the 12 GeV upgrade at Jefferson Lab and new flavor-physics facilities

Grant number: 13/16088-4
Support type:Regular Research Grants
Duration: April 01, 2014 - March 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Bruno Omar El-Bennich
Grantee:Bruno Omar El-Bennich
Home Institution: Pró-Reitoria de Pós-Graduação e Pesquisa. Universidade Cruzeiro do Sul (UNICSUL). São Paulo , SP, Brazil


In view of the experimental program of the 12 GeV upgrade at Jefferson Lab and the flavor-physics experiments at LHC as well as at new facilities, such as Super Belle, we propose new and improved computations of hadronic matrix elements in scattering and weak decays. The aim is to constrain predictions of the Standard Model with the most recent nonperturbative approaches to continuous QCD. The proposed computations are based on the combined framework of Dyson-Schwinger, Bethe-Salpeter and Faddeev equations, where we aim at first results beyond the common "rainbow-ladder" truncation. With respect to Jefferson Lab physics, we are interested in nucleon resonances (N*), N to N* transition form factors and nucleon parton distribution amplitudes for which we will make predictions. Similarly, within the same framework we shall study leptonic decays constants of D and B mesons as well as their resonant states, their light-cone distribution amplitudes and heavy-to-light transition form factors. These efforts will be in parallel to ongoing studies of beyond Standard Model models for weak heavy-meson decays. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
EL-BENNICH, BRUNO; PARACHA, M. ALI; ROBERTS, CRAIG D.; ROJAS, EDUARDO. Couplings between the rho and D and D{*} mesons. Physical Review D, v. 95, n. 3 FEB 27 2017. Web of Science Citations: 5.
EL-BENNICH, BRUNO; KREIN, GASTAO; ROJAS, EDUARDO; SERNA, FERNANDO E. Excited Hadrons and the Analytical Structure of Bound-State Interaction Kernels. FEW-BODY SYSTEMS, v. 57, n. 10, p. 955-963, OCT 2016. Web of Science Citations: 11.
SEGOVIA, JORGE; EL-BENNICH, BRUNO; ROJAS, EDUARDO; CLOET, IAN C.; ROBERTS, CRAIG D.; XU, SHU-SHENG; ZONG, HONG-SHI. Completing the Picture of the Roper Resonance. Physical Review Letters, v. 115, n. 17 OCT 21 2015. Web of Science Citations: 61.

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