Production of $D^{*\pm}$ mesons in 250 GeV hadron--nucleon interacions and observation of the decay mode $D^0 \pi^{\pm}$, $D^0 \to K^{\mp} \pi^{\pm} \pi^0$ [report]

Sandra F. Amato
1992 unpublished
Centro Brasileiro de Pesquisas Flsicas Rio de Ja ne iro, Ma io de 1992 Ao meu Querido filho Andre AGRADECIMENTOS Agradcc;o ao Prnf. Santoro por sua iniciativa e garra de formar um grupo de fisiu experimental dc> alta:' encrgias no Brasi l com condicocs de trabalho e qualiTufts University, Medford, MA 0215.) C 7 >Universi ty of \Visconsin , Madison, \VI 53706 ( 8 )Yale University, New Haven, CT 06511 JV -----Resumo A cx1><·riC:·11ria E7fi!I 110 FNmilal> ut ilizou u111 fr ix'· rnmposto por
more » ... 011s piorn• ,. ki1011 s, de 250 GcV /c incident.<· cm fol11as d'· Jkrilio, Al11rninio, Colin· ,. Tu11gst.f.11io, ccrca de 400 milh0cs de cvcnt.os. Mcdiu-sc as di stribui~O<;s cm r F c P~· de u111 sin al de 232 ± 13.5 n· cm scu canal d<' dccaimcnt.o D 0 11', com 0 D 0 cl , obten gave a= 1.06 ± .08 ± .01. Those measurements are compared with another analysis, with those of other experiments and with predictions based on pert urbative QCD.
doi:10.2172/1156334 fatcat:apr2kmrclnetdmmtmihfgrrkdi