Elsevier

Nuclear Physics B

Volume 155, Issue 1, 13 August 1979, Pages 1-12
Nuclear Physics B

Study of the production of three charged pions in pn annihilation at 3 GeV/c

https://doi.org/10.1016/0550-3213(79)90352-3Get rights and content

Abstract

We have measured 1320 events from the reaction pn→ π+ππ at 2.98 GeV/c incident momentum (2.76 GeV total c.m. energy). The regular structure of zeros present in the three-pion Dalitz plot at lower energies is not found at this energy, except for a depopulation of events at m2+π1) = m2+π2) ⋍ 1.1 GeV2. The Dalitz plot population presents other structures which appear to be correlated with the angular variables describing the reaction.

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