Relating 'D POT. *''D BARRA' POT. *' currents with 'J POT. 'pi'= '0 POT. +','1 POT. +' and '2 POT. +' to 'Z IND. c' states - Khemchandani, Kanchan Pradeepkumar; Martinez Torres, Alberto; Nielsen, Marina; Navarra, Fernando Silveira (PHYSICAL REVIEW D, 2014)