▁the ▁END F / B ▁file . ▁ ▁The ▁J oint ▁E valu ated ▁F ission ▁and ▁F usion ▁File ▁( J E FF ) ▁organization ▁consists ▁of ▁members ▁of ▁the ▁N uc lear ▁Energy ▁Agency ▁( NE A ) ▁of ▁the ▁Organisation ▁for ▁Econom ic ▁Co - operation ▁and ▁Development ▁( O E CD ). ▁They ▁produce ▁the ▁J E FF ▁file , ▁which ▁is ▁also ▁in ▁the ▁universal ▁END F ▁format . ▁ ▁The ▁Japanese ▁N uc lear ▁Data ▁Committee ▁( J ND C ) ▁handles ▁the ▁Japanese ▁E valu ated ▁N uc lear ▁Data ▁Library ▁( J END L ). ▁This ▁effort ▁is ▁coordin ated ▁through ▁the ▁N uc lear ▁Data ▁Center ▁at ▁the ▁Japan ▁At omic ▁Energy ▁Agency ▁( J AE A ). ▁ ▁Re leases ▁of ▁END F / B ▁Files ▁ ▁The ▁historical ▁releases ▁of ▁END F / B ▁files ▁are ▁summar ized ▁below . ▁▁ ▁The ▁historical ▁releases ▁of ▁J E FF ▁files ▁are ▁summar ized ▁below . ▁ ▁See ▁also ▁ ▁N uc lear ▁reaction ▁ ▁N uc lear ▁force ▁ ▁External ▁links ▁X S Plot ▁an ▁online ▁nuclear ▁cross ▁section ▁plot ter ▁International ▁Network ▁of ▁N uc lear ▁Re action ▁Data ▁Cent res ▁( NR DC ) ▁Introduction ▁to ▁the ▁END F ▁Form ats ▁I AE A ▁N uc lear ▁Data ▁Section : ▁N uc lear ▁Data ▁Services ▁National ▁N uc lear ▁Data ▁Center : ▁Brook h aven ▁National ▁Labor atory ▁J AE A ▁N uc lear ▁Data ▁Center ▁J oint ▁E valu ated