Double-pion production induced by deuteron-proton collisions in the incident deuteron momentum range 2.1-3.8 GeV/c - art. no. 034001

Using the bubble chamber technique; double-pion production cross sections i nduced by deuteron-proton collision's were measured in the deuteron inciden t momentum range of 2.1 to 3.8 GeV/c. The nucleon-nucleon double-pion produ ction cross sections were also deduced from the data. The dp double-pion pr oduction data were interpreted as the sum of nucleon-nucleon double-pion pr oduction reactions involving only one of the nucleons in the deuteron, and two sequential nucleon-nucleon single-pion production reactions involving b oth nucleons in the deuteron. Good fits to the data were obtained, if the n ucleon-nucleon double-pion production is assumed to go through intermediate states involving N(1440) and Delta(1232), and each nucleon-nucleon single- pion production is assumed to go through the intermediate N Delta(1232) sta te.