Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 88: Flavorphysik III

T 88.8: Vortrag

Donnerstag, 28. März 2019, 17:50–18:05, S15

Search for the decay Ds0(2317)±Ds*±γJohannes Albrecht1, •Lukas Calefice1, and Ricardo Vázquez Gómez21Experimentelle Physik 5, TU Dortmund — 2CERN

The surprising discoveries of the Ds0(2317)± and Ds1(2460)± mesons by the BaBar and CLEO Collaborations in 2003 aroused new interest in the field of heavy-light meson spectroscopy. Their low masses and decay widths allow for decays that are isospin violating or radiative. Although theoretical predictions claim that radiative decays should be sizeable, they have not been seen yet.

The search for the decay Ds0(2317)±Ds γ is performed by measuring the ratio B(Ds0(2317)±Ds γ)/B(Ds0(2317)±Ds±π0) on the full Run II data set recorded by the LHCb experiment. The talk will cover the current status of the analysis.

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