Tabulated residual cross sections
Reaction # 184mHf(n,x)141gNd 184mHf(n,x)141nNd 184mHf(n,x)141Nd 184mHf(n,x)142Nd 184mHf(n,x)143Nd 184mHf(n,x)144Nd
Reaction # 184mHf(n,x)145Nd 184mHf(n,x)146Nd 184mHf(n,x)147Nd 184mHf(n,x)148Nd 184mHf(n,x)149Nd 184mHf(n,x)150Nd
Reaction # 184mHf(n,x)151Nd 184mHf(n,x)152Nd 184mHf(n,x)153Nd 184mHf(n,x)154Nd 184mHf(n,x)155Nd 184mHf(n,x)142Pm
Reaction # 184mHf(n,x)143Pm 184mHf(n,x)144Pm 184mHf(n,x)145Pm 184mHf(n,x)146Pm 184mHf(n,x)147Pm 184mHf(n,x)148gPm
Reaction # 184mHf(n,x)148oPm 184mHf(n,x)148Pm 184mHf(n,x)149Pm 184mHf(n,x)150Pm 184mHf(n,x)151Pm 184mHf(n,x)152gPm
Reaction # 184mHf(n,x)152oPm 184mHf(n,x)152oPm 184mHf(n,x)152Pm 184mHf(n,x)153Pm 184mHf(n,x)154gPm 184mHf(n,x)154mPm
Reaction # 184mHf(n,x)154Pm 184mHf(n,x)155Pm 184mHf(n,x)156gPm 184mHf(n,x)156nPm 184mHf(n,x)156Pm 184mHf(n,x)157Pm
Reaction # 184mHf(n,x)143gSm 184mHf(n,x)143nSm 184mHf(n,x)143Sm 184mHf(n,x)144Sm 184mHf(n,x)145Sm 184mHf(n,x)146Sm
Reaction # 184mHf(n,x)147Sm 184mHf(n,x)148Sm 184mHf(n,x)149Sm 184mHf(n,x)150Sm 184mHf(n,x)151Sm 184mHf(n,x)152Sm
Reaction # 184mHf(n,x)153Sm 184mHf(n,x)154Sm 184mHf(n,x)155Sm 184mHf(n,x)156Sm 184mHf(n,x)157Sm 184mHf(n,x)158Sm
Reaction # 184mHf(n,x)159Sm 184mHf(n,x)144Eu 184mHf(n,x)145Eu 184mHf(n,x)146Eu 184mHf(n,x)147Eu 184mHf(n,x)148Eu
Reaction # 184mHf(n,x)149Eu 184mHf(n,x)150gEu 184mHf(n,x)150mEu 184mHf(n,x)150Eu 184mHf(n,x)151Eu 184mHf(n,x)152gEu
Reaction # 184mHf(n,x)152mEu 184mHf(n,x)152oEu 184mHf(n,x)152Eu 184mHf(n,x)153Eu 184mHf(n,x)154gEu 184mHf(n,x)154oEu
Reaction # 184mHf(n,x)154Eu 184mHf(n,x)155Eu 184mHf(n,x)156Eu 184mHf(n,x)157Eu 184mHf(n,x)158Eu 184mHf(n,x)159Eu
Reaction # 184mHf(n,x)160Eu 184mHf(n,x)161Eu 184mHf(n,x)162Eu 184mHf(n,x)145gGd 184mHf(n,x)145nGd 184mHf(n,x)145Gd
Reaction # 184mHf(n,x)146Gd 184mHf(n,x)147Gd 184mHf(n,x)148Gd 184mHf(n,x)149Gd 184mHf(n,x)150Gd 184mHf(n,x)151Gd
Reaction # 184mHf(n,x)152Gd 184mHf(n,x)153Gd 184mHf(n,x)154Gd 184mHf(n,x)155Gd 184mHf(n,x)156Gd 184mHf(n,x)157Gd
Reaction # 184mHf(n,x)158Gd 184mHf(n,x)159Gd 184mHf(n,x)160Gd 184mHf(n,x)161Gd 184mHf(n,x)162Gd 184mHf(n,x)163Gd
Reaction # 184mHf(n,x)164Gd 184mHf(n,x)165oGd 184mHf(n,x)165Gd 184mHf(n,x)166oGd 184mHf(n,x)166Gd 184mHf(n,x)167oGd
Reaction # 184mHf(n,x)167Gd 184mHf(n,x)168oGd 184mHf(n,x)168Gd 184mHf(n,x)169oGd 184mHf(n,x)169Gd 184mHf(n,x)170oGd
Reaction # 184mHf(n,x)170Gd 184mHf(n,x)146gTb 184mHf(n,x)146nTb 184mHf(n,x)146Tb 184mHf(n,x)147gTb 184mHf(n,x)147mTb
Reaction # 184mHf(n,x)147Tb 184mHf(n,x)148gTb 184mHf(n,x)148mTb 184mHf(n,x)148Tb 184mHf(n,x)149gTb 184mHf(n,x)149mTb
Reaction # 184mHf(n,x)149Tb 184mHf(n,x)150gTb 184mHf(n,x)150nTb 184mHf(n,x)150Tb 184mHf(n,x)151gTb 184mHf(n,x)151oTb
Reaction # 184mHf(n,x)151Tb 184mHf(n,x)152gTb 184mHf(n,x)152oTb 184mHf(n,x)152Tb 184mHf(n,x)153Tb 184mHf(n,x)154gTb
Reaction # 184mHf(n,x)154mTb 184mHf(n,x)154nTb 184mHf(n,x)154Tb 184mHf(n,x)155Tb 184mHf(n,x)156gTb 184mHf(n,x)156oTb
Reaction # 184mHf(n,x)156oTb 184mHf(n,x)156Tb 184mHf(n,x)157Tb 184mHf(n,x)158gTb 184mHf(n,x)158oTb 184mHf(n,x)158Tb
Reaction # 184mHf(n,x)159Tb 184mHf(n,x)160Tb 184mHf(n,x)161Tb 184mHf(n,x)162Tb 184mHf(n,x)163Tb 184mHf(n,x)164Tb
Reaction # 184mHf(n,x)165oTb 184mHf(n,x)165Tb 184mHf(n,x)166oTb 184mHf(n,x)166Tb 184mHf(n,x)167oTb 184mHf(n,x)167Tb
Reaction # 184mHf(n,x)168oTb 184mHf(n,x)168Tb 184mHf(n,x)169oTb 184mHf(n,x)169Tb 184mHf(n,x)170oTb 184mHf(n,x)170Tb
Reaction # 184mHf(n,x)171oTb 184mHf(n,x)171Tb 184mHf(n,x)172oTb 184mHf(n,x)172Tb 184mHf(n,x)173oTb 184mHf(n,x)173Tb
Reaction # 184mHf(n,x)174oTb 184mHf(n,x)174Tb 184mHf(n,x)147gDy 184mHf(n,x)147nDy 184mHf(n,x)147Dy 184mHf(n,x)148Dy
Reaction # 184mHf(n,x)149gDy 184mHf(n,x)149oDy 184mHf(n,x)149Dy 184mHf(n,x)150Dy 184mHf(n,x)151Dy 184mHf(n,x)152Dy
Reaction # 184mHf(n,x)153Dy 184mHf(n,x)154Dy 184mHf(n,x)155Dy 184mHf(n,x)156Dy 184mHf(n,x)157Dy 184mHf(n,x)158Dy
Reaction # 184mHf(n,x)159Dy 184mHf(n,x)160Dy 184mHf(n,x)161Dy 184mHf(n,x)162Dy 184mHf(n,x)163Dy 184mHf(n,x)164Dy
Reaction # 184mHf(n,x)165oDy 184mHf(n,x)165gDy 184mHf(n,x)165gDy 184mHf(n,x)165nDy 184mHf(n,x)165nDy 184mHf(n,x)165Dy
Reaction # 184mHf(n,x)166oDy 184mHf(n,x)166Dy 184mHf(n,x)167oDy 184mHf(n,x)167Dy 184mHf(n,x)168oDy 184mHf(n,x)168Dy
Reaction # 184mHf(n,x)169oDy 184mHf(n,x)169Dy 184mHf(n,x)170oDy 184mHf(n,x)170Dy 184mHf(n,x)171oDy 184mHf(n,x)171Dy
Reaction # 184mHf(n,x)172oDy 184mHf(n,x)172Dy 184mHf(n,x)173oDy 184mHf(n,x)173Dy 184mHf(n,x)174oDy 184mHf(n,x)174Dy
Reaction # 184mHf(n,x)175oDy 184mHf(n,x)175Dy 184mHf(n,x)176oDy 184mHf(n,x)176Dy 184mHf(n,x)177oDy 184mHf(n,x)177Dy
Reaction # 184mHf(n,x)149gHo 184mHf(n,x)149mHo 184mHf(n,x)149Ho 184mHf(n,x)150gHo 184mHf(n,x)150nHo 184mHf(n,x)150Ho
Reaction # 184mHf(n,x)151gHo 184mHf(n,x)151mHo 184mHf(n,x)151Ho 184mHf(n,x)152gHo 184mHf(n,x)152mHo 184mHf(n,x)152Ho
Reaction # 184mHf(n,x)153gHo 184mHf(n,x)153mHo 184mHf(n,x)153Ho 184mHf(n,x)154gHo 184mHf(n,x)154nHo 184mHf(n,x)154Ho
Reaction # 184mHf(n,x)155Ho 184mHf(n,x)156gHo 184mHf(n,x)156mHo 184mHf(n,x)156oHo 184mHf(n,x)156Ho 184mHf(n,x)157Ho
Reaction # 184mHf(n,x)158gHo 184mHf(n,x)158mHo 184mHf(n,x)158oHo 184mHf(n,x)158Ho 184mHf(n,x)159gHo 184mHf(n,x)159oHo
Reaction # 184mHf(n,x)159Ho 184mHf(n,x)160gHo 184mHf(n,x)160mHo 184mHf(n,x)160oHo 184mHf(n,x)160Ho 184mHf(n,x)161gHo
Reaction # 184mHf(n,x)161nHo 184mHf(n,x)161Ho 184mHf(n,x)162gHo 184mHf(n,x)162oHo 184mHf(n,x)162Ho 184mHf(n,x)163gHo
Reaction # 184mHf(n,x)163oHo 184mHf(n,x)163Ho 184mHf(n,x)164gHo 184mHf(n,x)164oHo 184mHf(n,x)164Ho 184mHf(n,x)165oHo
Reaction # 184mHf(n,x)165Ho 184mHf(n,x)166oHo 184mHf(n,x)166gHo 184mHf(n,x)166gHo 184mHf(n,x)166mHo 184mHf(n,x)166mHo
Reaction # 184mHf(n,x)166Ho 184mHf(n,x)167oHo 184mHf(n,x)167Ho 184mHf(n,x)168oHo 184mHf(n,x)168gHo 184mHf(n,x)168gHo
Reaction # 184mHf(n,x)168mHo 184mHf(n,x)168mHo 184mHf(n,x)168Ho 184mHf(n,x)169oHo 184mHf(n,x)169Ho 184mHf(n,x)170oHo
Reaction # 184mHf(n,x)170gHo 184mHf(n,x)170gHo 184mHf(n,x)170mHo 184mHf(n,x)170mHo 184mHf(n,x)170Ho 184mHf(n,x)171oHo
Reaction # 184mHf(n,x)171Ho 184mHf(n,x)172oHo 184mHf(n,x)172Ho 184mHf(n,x)173oHo 184mHf(n,x)173Ho 184mHf(n,x)174oHo
Reaction # 184mHf(n,x)174Ho 184mHf(n,x)175oHo 184mHf(n,x)175Ho 184mHf(n,x)176oHo 184mHf(n,x)176Ho 184mHf(n,x)177oHo
Reaction # 184mHf(n,x)177Ho 184mHf(n,x)178oHo 184mHf(n,x)178Ho 184mHf(n,x)179oHo 184mHf(n,x)179Ho 184mHf(n,x)180oHo
Reaction # 184mHf(n,x)180Ho 184mHf(n,x)150Er 184mHf(n,x)151gEr 184mHf(n,x)151oEr 184mHf(n,x)151Er 184mHf(n,x)152Er
Reaction # 184mHf(n,x)153Er 184mHf(n,x)154Er 184mHf(n,x)155Er 184mHf(n,x)156Er 184mHf(n,x)157Er 184mHf(n,x)158Er
Reaction # 184mHf(n,x)159Er 184mHf(n,x)160Er 184mHf(n,x)161Er 184mHf(n,x)162Er 184mHf(n,x)163Er 184mHf(n,x)164Er
Reaction # 184mHf(n,x)165oEr 184mHf(n,x)165Er 184mHf(n,x)166oEr 184mHf(n,x)166Er 184mHf(n,x)167oEr 184mHf(n,x)167gEr
Reaction # 184mHf(n,x)167gEr 184mHf(n,x)167oEr 184mHf(n,x)167oEr 184mHf(n,x)167Er 184mHf(n,x)168oEr 184mHf(n,x)168Er
Reaction # 184mHf(n,x)169oEr 184mHf(n,x)169Er 184mHf(n,x)170oEr 184mHf(n,x)170Er 184mHf(n,x)171oEr 184mHf(n,x)171Er
Reaction # 184mHf(n,x)172oEr 184mHf(n,x)172Er 184mHf(n,x)173oEr 184mHf(n,x)173Er 184mHf(n,x)174oEr 184mHf(n,x)174Er
Reaction # 184mHf(n,x)175oEr 184mHf(n,x)175Er 184mHf(n,x)176oEr 184mHf(n,x)176Er 184mHf(n,x)177oEr 184mHf(n,x)177Er
Reaction # 184mHf(n,x)178oEr 184mHf(n,x)178Er 184mHf(n,x)179oEr 184mHf(n,x)179Er 184mHf(n,x)180oEr 184mHf(n,x)180Er
Reaction # 184mHf(n,x)181oEr 184mHf(n,x)181Er 184mHf(n,x)153gTm 184mHf(n,x)153mTm 184mHf(n,x)153Tm 184mHf(n,x)154gTm
Reaction # 184mHf(n,x)154nTm 184mHf(n,x)154Tm 184mHf(n,x)155gTm 184mHf(n,x)155mTm 184mHf(n,x)155Tm 184mHf(n,x)156Tm
Reaction # 184mHf(n,x)157Tm 184mHf(n,x)158gTm 184mHf(n,x)158nTm 184mHf(n,x)158Tm 184mHf(n,x)159Tm 184mHf(n,x)160gTm
Reaction # 184mHf(n,x)160nTm 184mHf(n,x)160Tm 184mHf(n,x)161Tm 184mHf(n,x)162gTm 184mHf(n,x)162oTm 184mHf(n,x)162Tm
Reaction # 184mHf(n,x)163Tm 184mHf(n,x)164oTm 184mHf(n,x)164gTm 184mHf(n,x)164gTm 184mHf(n,x)164oTm 184mHf(n,x)164Tm
Reaction # 184mHf(n,x)165oTm 184mHf(n,x)165Tm 184mHf(n,x)166oTm 184mHf(n,x)166Tm 184mHf(n,x)167oTm 184mHf(n,x)167Tm
Reaction # 184mHf(n,x)168oTm 184mHf(n,x)168Tm 184mHf(n,x)169oTm 184mHf(n,x)169Tm 184mHf(n,x)170oTm 184mHf(n,x)170Tm
Reaction # 184mHf(n,x)171oTm 184mHf(n,x)171Tm 184mHf(n,x)172oTm 184mHf(n,x)172Tm 184mHf(n,x)173oTm 184mHf(n,x)173Tm
Reaction # 184mHf(n,x)174oTm 184mHf(n,x)174Tm 184mHf(n,x)175oTm 184mHf(n,x)175Tm 184mHf(n,x)176oTm 184mHf(n,x)176Tm
Reaction # 184mHf(n,x)177oTm 184mHf(n,x)177Tm 184mHf(n,x)178oTm 184mHf(n,x)178Tm 184mHf(n,x)179oTm 184mHf(n,x)179Tm
Reaction # 184mHf(n,x)180oTm 184mHf(n,x)180Tm 184mHf(n,x)181oTm 184mHf(n,x)181Tm 184mHf(n,x)182oTm 184mHf(n,x)182Tm
Reaction # 184mHf(n,x)155Yb 184mHf(n,x)156Yb 184mHf(n,x)157Yb 184mHf(n,x)158Yb 184mHf(n,x)159Yb 184mHf(n,x)160Yb
Reaction # 184mHf(n,x)161Yb 184mHf(n,x)162Yb 184mHf(n,x)163Yb 184mHf(n,x)164oYb 184mHf(n,x)164Yb 184mHf(n,x)165oYb
Reaction # 184mHf(n,x)165Yb 184mHf(n,x)166oYb 184mHf(n,x)166Yb 184mHf(n,x)167oYb 184mHf(n,x)167Yb 184mHf(n,x)168oYb
Reaction # 184mHf(n,x)168Yb 184mHf(n,x)169oYb 184mHf(n,x)169gYb 184mHf(n,x)169gYb 184mHf(n,x)169mYb 184mHf(n,x)169mYb
Reaction # 184mHf(n,x)169Yb 184mHf(n,x)170oYb 184mHf(n,x)170Yb 184mHf(n,x)171oYb 184mHf(n,x)171Yb 184mHf(n,x)172oYb
Reaction # 184mHf(n,x)172Yb 184mHf(n,x)173oYb 184mHf(n,x)173Yb 184mHf(n,x)174oYb 184mHf(n,x)174Yb 184mHf(n,x)175oYb
Reaction # 184mHf(n,x)175Yb 184mHf(n,x)176oYb 184mHf(n,x)176gYb 184mHf(n,x)176gYb 184mHf(n,x)176oYb 184mHf(n,x)176oYb
Reaction # 184mHf(n,x)176Yb 184mHf(n,x)177oYb 184mHf(n,x)177gYb 184mHf(n,x)177gYb 184mHf(n,x)177oYb 184mHf(n,x)177oYb
Reaction # 184mHf(n,x)177Yb 184mHf(n,x)178oYb 184mHf(n,x)178Yb 184mHf(n,x)179oYb 184mHf(n,x)179Yb 184mHf(n,x)180oYb
Reaction # 184mHf(n,x)180Yb 184mHf(n,x)181oYb 184mHf(n,x)181Yb 184mHf(n,x)182oYb 184mHf(n,x)182Yb 184mHf(n,x)183oYb
Reaction # 184mHf(n,x)183Yb 184mHf(n,x)158Lu 184mHf(n,x)159Lu 184mHf(n,x)160gLu 184mHf(n,x)160mLu 184mHf(n,x)160Lu
Reaction # 184mHf(n,x)161Lu 184mHf(n,x)162gLu 184mHf(n,x)162oLu 184mHf(n,x)162oLu 184mHf(n,x)162Lu 184mHf(n,x)163Lu
Reaction # 184mHf(n,x)164oLu 184mHf(n,x)164Lu 184mHf(n,x)165oLu 184mHf(n,x)165Lu 184mHf(n,x)166oLu 184mHf(n,x)166gLu
Reaction # 184mHf(n,x)166gLu 184mHf(n,x)166mLu 184mHf(n,x)166mLu 184mHf(n,x)166nLu 184mHf(n,x)166nLu 184mHf(n,x)166Lu
Reaction # 184mHf(n,x)167oLu 184mHf(n,x)167gLu 184mHf(n,x)167gLu 184mHf(n,x)167mLu 184mHf(n,x)167mLu 184mHf(n,x)167Lu
Reaction # 184mHf(n,x)168oLu 184mHf(n,x)168gLu 184mHf(n,x)168gLu 184mHf(n,x)168mLu 184mHf(n,x)168mLu 184mHf(n,x)168Lu
Reaction # 184mHf(n,x)169oLu 184mHf(n,x)169gLu 184mHf(n,x)169gLu 184mHf(n,x)169mLu 184mHf(n,x)169mLu 184mHf(n,x)169Lu
Reaction # 184mHf(n,x)170oLu 184mHf(n,x)170gLu 184mHf(n,x)170gLu 184mHf(n,x)170nLu 184mHf(n,x)170nLu 184mHf(n,x)170Lu
Reaction # 184mHf(n,x)171oLu 184mHf(n,x)171gLu 184mHf(n,x)171gLu 184mHf(n,x)171mLu 184mHf(n,x)171mLu 184mHf(n,x)171Lu
Reaction # 184mHf(n,x)172oLu 184mHf(n,x)172gLu 184mHf(n,x)172gLu 184mHf(n,x)172mLu 184mHf(n,x)172mLu 184mHf(n,x)172Lu
Reaction # 184mHf(n,x)173oLu 184mHf(n,x)173Lu 184mHf(n,x)174oLu 184mHf(n,x)174gLu 184mHf(n,x)174gLu 184mHf(n,x)174oLu
Reaction # 184mHf(n,x)174oLu 184mHf(n,x)174Lu 184mHf(n,x)175oLu 184mHf(n,x)175Lu 184mHf(n,x)176oLu 184mHf(n,x)176gLu
Reaction # 184mHf(n,x)176gLu 184mHf(n,x)176mLu 184mHf(n,x)176mLu 184mHf(n,x)176Lu 184mHf(n,x)177oLu 184mHf(n,x)177gLu
Reaction # 184mHf(n,x)177gLu 184mHf(n,x)177oLu 184mHf(n,x)177oLu 184mHf(n,x)177Lu 184mHf(n,x)178oLu 184mHf(n,x)178gLu
Reaction # 184mHf(n,x)178gLu 184mHf(n,x)178oLu 184mHf(n,x)178oLu 184mHf(n,x)178Lu 184mHf(n,x)179oLu 184mHf(n,x)179Lu
Reaction # 184mHf(n,x)180oLu 184mHf(n,x)180Lu 184mHf(n,x)181oLu 184mHf(n,x)181Lu 184mHf(n,x)182oLu 184mHf(n,x)182Lu
Reaction # 184mHf(n,x)183oLu 184mHf(n,x)183Lu 184mHf(n,x)184oLu 184mHf(n,x)184Lu 184mHf(n,x)160Hf 184mHf(n,x)161Hf
Reaction # 184mHf(n,x)162Hf 184mHf(n,x)163Hf 184mHf(n,x)164oHf 184mHf(n,x)164Hf 184mHf(n,x)165oHf 184mHf(n,x)165Hf
Reaction # 184mHf(n,x)166oHf 184mHf(n,x)166Hf 184mHf(n,x)167oHf 184mHf(n,x)167Hf 184mHf(n,x)168oHf 184mHf(n,x)168Hf
Reaction # 184mHf(n,x)169oHf 184mHf(n,x)169Hf 184mHf(n,x)170oHf 184mHf(n,x)170Hf 184mHf(n,x)171oHf 184mHf(n,x)171gHf
Reaction # 184mHf(n,x)171gHf 184mHf(n,x)171mHf 184mHf(n,x)171mHf 184mHf(n,x)171Hf 184mHf(n,x)172oHf 184mHf(n,x)172Hf
Reaction # 184mHf(n,x)173oHf 184mHf(n,x)173Hf 184mHf(n,x)174oHf 184mHf(n,x)174Hf 184mHf(n,x)175oHf 184mHf(n,x)175Hf
Reaction # 184mHf(n,x)176oHf 184mHf(n,x)176Hf 184mHf(n,x)177oHf 184mHf(n,x)177gHf 184mHf(n,x)177gHf 184mHf(n,x)177oHf
Reaction # 184mHf(n,x)177oHf 184mHf(n,x)177Hf 184mHf(n,x)178oHf 184mHf(n,x)178gHf 184mHf(n,x)178gHf 184mHf(n,x)178oHf
Reaction # 184mHf(n,x)178oHf 184mHf(n,x)178oHf 184mHf(n,x)178oHf 184mHf(n,x)178Hf 184mHf(n,x)179oHf 184mHf(n,x)179gHf
Reaction # 184mHf(n,x)179gHf 184mHf(n,x)179oHf 184mHf(n,x)179oHf 184mHf(n,x)179oHf 184mHf(n,x)179oHf 184mHf(n,x)179Hf
Reaction # 184mHf(n,x)180oHf 184mHf(n,x)180gHf 184mHf(n,x)180gHf 184mHf(n,x)180oHf 184mHf(n,x)180oHf 184mHf(n,x)180Hf
Reaction # 184mHf(n,x)181oHf 184mHf(n,x)181Hf 184mHf(n,x)182oHf 184mHf(n,x)182gHf 184mHf(n,x)182gHf 184mHf(n,x)182oHf
Reaction # 184mHf(n,x)182oHf 184mHf(n,x)182Hf 184mHf(n,x)183oHf 184mHf(n,x)183Hf 184mHf(n,x)184oHf 184mHf(n,x)184gHf
Reaction # 184mHf(n,x)184gHf 184mHf(n,x)184oHf 184mHf(n,x)184oHf 184mHf(n,x)184Hf 184mHf(n,x)185oHf 184mHf(n,x)185Hf
Reaction #