Chart of Nuclides Question: Please help

[Zorro1]

one square on the chart of nuclides will list the modes of decay and then right to that symbol it will list the energy. But sometimes there is also a capital "E-","E+", or "E" at the bottom of the square (in addition) which ALSO references an energy.  WHAT IS THE DIFFERENCE between these two energy references???

[Marlin]

Here you go I'll do part of your research for you.

http://www.nndc.bnl.gov/chart/help/index.jsp#screensize

[GLW]

and here too,...



http://www.pstcc.edu/departments/natural_behavioral_sciences/Web%20Physics/Expm%2010.htm

(it is soooo tempting to post an "and here:,...and here,....and here,....", but I digress)