Muon::MdtTwinPrepData_p1 Node1 Muon::MdtTwinPrepData_p1 + m_driftRadius + m_errorDriftRadius + m_tdc + m_adc + m_tdcTwin + m_adcTwin + m_xTwin + m_errorXTwin + m_status + MdtTwinPrepData_p1() * m_driftRadius * m_errorDriftRadius * m_tdc * m_adc * m_tdcTwin * m_adcTwin * m_xTwin * m_errorXTwin * m_status