Abstract

We report evidence for the existence of a charged narrow state of mass M ∼ 2.02 GeV/ c 2 and widtt Γ ⪅ 0.04 GeV/ c 2, decaying into N N ̄ . The state is observed in the reaction pp → p fast n π +π −π − at 6 GeV/ c and in pp →π fast + pn π +π − at 9 GeV/ c in a triggered bubble chamber experiment at the SLAC Hybrid Facility.

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