
TL;DR
This paper presents measurements of strong-phase parameters, amplitude analyses, and branching fractions for various charmed hadron decays using BESIII data, aiding in precise CKM angle determination.
Contribution
It provides new strong-phase measurements, amplitude analyses, and branching fractions for multiple charmed hadron decays, enhancing understanding of charm decay dynamics.
Findings
Strong-phase parameters for several D^0 decays measured.
Amplitude analyses and branching fractions for D^+, D_s^+, and Λ_c^+ decays reported.
Λ_c^+ spin determined, contributing to charm baryon studies.
Abstract
The BESIII experiment has collected the collision data samples corresponding to integrated luminosities of 2.93 , , 3.13 and 567 at center-of-mass energies of 3.773 GeV, 4.178 GeV, 4.189-4.226 GeV and 4.599 GeV, respectively. We report the measurements of strong-phase parameters based on the decays , , and , which are important input for binned model-independent measurement of the CKM angle . In addition, we report amplitude analyses and branching fraction measurements of , and decays along with the spin determination.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies
