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Twenty years of $\Theta^+$

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abstract

Twenty years ago, in 2003, two experimental groups, LEPS and DIANA, announced the discovery of a light, narrow, exotic baryon with mass within the range of 1540 MeV, which was later dubbed as $\Theta^+$. In this talk we recall the history of this discovery and its theoretical foundations. We also discuss possible future experiments that could determine the existence of $\Theta^+$.

fields

hep-ph 1

years

2024 1

verdicts

CONDITIONAL 1

representative citing papers

Pentaquarks and Maxim V. Polyakov

hep-ph · 2024-11-20 · conditional · novelty 3.0

A review argues that Diakonov-Petrov-Polyakov's narrow-width Theta+ pentaquark prediction remains viable, identifying N*(1685) as the antidecuplet partner and citing LEPS/DIANA data as support.

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  • Pentaquarks and Maxim V. Polyakov hep-ph · 2024-11-20 · conditional · none · ref 13 · internal anchor

    A review argues that Diakonov-Petrov-Polyakov's narrow-width Theta+ pentaquark prediction remains viable, identifying N*(1685) as the antidecuplet partner and citing LEPS/DIANA data as support.