By L. R. B. Elton (auth.), H. Schopper (eds.)
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Extra info for Nuclear Radii
S. size of the charge distribution references to all the litcraturc do not appear to bc appropriate. Refcrcnccs cited ([I] through [5j) contain high q8 results. s. size, a rcasonnblc definition of the neutron’s radius would bc the radius of either component. s. size coulcl also bc obtained from the slope at ‘1%= 0 of the form factor curve plotted as a function of q2. ]. Discussiotz 2 3’ The proton’s charge distribution is not a rclativistically invariant concept. 80 fm. s. charge radius of the proton.
S. 04) fm. , . s. 42 fm. s. 41 fm. 50 fm. , [36a]. The values given in the table arc prcliminaq ones (H. CRANN'ELL, private communication). s. radius of the ,&13 nucleus is approximately 4% smaller than that of the ,+Y nuclcns according to the present interpretation of the data. ,  and more recently by G. R. , . 5 fm-1. s. 46 fm. Also a Family II charge distribution of the form e(r) = p. 5 emn(*+‘(j Y < ra = e. 0 fit the data. s. 45 fm. s. 48 fm. Quadrupole effects were ignored in both studies.
A = Harm. (a = Well (XI) 4) II Well (XI) 4) fm I fm - [Lit. S. 58 &a’? 71 ,om*+* ,0’S I ,$Ig”’ ,3A12i 16 Harm. 91 UU Harm. 99 24Cr5? 07 *:cwJ Fermi 2 Parameter Fermi 2 Parameter Model Ind. 49 *) Approximate values obtained by artificially flattening central charge density. l *) See comments in the discussion for this nucleus on the electric quadrupole distribution. 28 Ref. S. 25 16 -17 -18 -- 19 -- 20 -21 -- 21 -- 21 -- 21 -- 22 -- 21 -- 22 -- 22 -, 23 -24 -- 25 -- 25 -26 -27 See also additional tabulation for this nucleus at the end of the table (p.