publication . Article . Preprint . 2013

Three methods to detect the predicted D(D)over-bar scalar meson X(3700)

C. W. Xiao; E. Oset;
Open Access English
  • Published: 01 Jan 2013 Journal: EUROPEAN PHYSICAL JOURNAL A (issn: 1434-6001, Copyright policy)
  • Publisher: SPRINGER
  • Country: Spain
Abstract
In analogy to the f(0)(500), which appears as a pi pi resonance in chiral unitary theory, and the f(0)(980), which appears as a quasibound K (K) over bar state, the extension of this approach to the charm sector also predicts a quasibound D (D) over bar state with mass around 3720 MeV, named as X(3700), for which some experimental support is seen in the e(+)e(-) -> J/psi D (D) over bar reaction close to the D (D) over bar threshold. In the present work we propose three different experiments to observe it as a clear peak. The first one is the radiative decay of the psi(3770), psi(3770) -> gamma X(3700) -> gamma eta eta'. The second one proposes the analogous reac...
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doi: 10.1140/epja/i2013-13052-5
handle: 10261/108583
Subjects
arXiv: High Energy Physics::ExperimentNuclear Experiment
free text keywords: Chiral Perturbation-Theory, Scattering, Física, High Energy Physics - Phenomenology, Nuclear Theory, Nuclear and High Energy Physics, Scalar meson, Particle physics, Resonance, Measure (mathematics), Radiative decay, Physics
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Funded by
EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
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