theAnalysis->FillList(kp, "KaonAllPlus");

if (kp.GetLength()!=0)
        {
            for (j=0;j<kp.GetLength();++j)
            {
              truth=kp[j]->GetMcTruth();
              if(!truth) continue;
              if(truth->PdgCode()==321)
                {
                    recokp.Put(kp[j]);
                }
            }
        }//end of if(kp.GetLength()!=0)