ENTRY C2729 20220408 C215C272900000001 SUBENT C2729001 20220408 C215C272900100001 BIB 9 24 C272900100002 TITLE Products of Carbon Disintegration by 330-MeV Protons C272900100003 AUTHOR (W.H.Barkas,J.K.Bowker) C272900100004 REFERENCE (J,PR,87,207(L13),1952) C272900100005 #doi:10.1103/PhysRev.87.179 C272900100006 INSTITUTE (1USAUCX) C272900100007 FACILITY (CYCLO,1USABRK) The 184-inch cyclotron. C272900100008 SAMPLE A one-mil polystyrene target. C272900100009 DETECTOR (PLATE) Ilford D1 nuclear track emulsion. C272900100010 METHOD The spalls enter the surface of nuclear track C272900100011 emulsion making a small angle with the surface. The C272900100012 position, track-angle, range, and estimate charge are C272900100013 recorded for each track. The calculated radius of C272900100014 curvature plotted against the range provides a C272900100015 nuclide spectrum of the tracks, since each nuclide C272900100016 falls on a definite locus in such a diagram. C272900100017 Resolution of H1, H2, H3, He3, and He4 splinters is C272900100018 unambiguous. A group probably comprising Li6 and Be7 C272900100019 and another group probably of He6 and Li7 are also C272900100020 found, but for lack of good range-energy curves for C272900100021 highly charged particles the resolution is at present C272900100022 uncertain. No Li8, B8, H>3 or He<3 tracks were found. C272900100023 Other groups plus background, 6.2 percent of product C272900100024 yield. C272900100025 HISTORY (20220408C) BP C272900100026 ENDBIB 24 0 C272900100027 COMMON 1 3 C272900100028 EN C272900100029 MEV C272900100030 330.0 C272900100031 ENDCOMMON 3 0 C272900100032 ENDSUBENT 31 0 C272900199999 SUBENT C2729002 20220408 C215C272900200001 BIB 3 4 C272900200002 REACTION (6-C-CMP(P,X)ELEM/MASS,,PY,,TT/REL) Polystyrene C272900200003 ANALYSIS Data normalized so that all products, including C272900200004 other groups plus background (6.2%), sum up to 100%. C272900200005 STATUS (TABLE) page 207. C272900200006 ENDBIB 4 0 C272900200007 NOCOMMON 0 0 C272900200008 DATA 5 7 C272900200009 ELEM1 MASS1 ELEM2 MASS2 DATA C272900200010 NO-DIM NO-DIM NO-DIM NO-DIM ARB-UNITS C272900200011 1. 1. 25. C272900200012 1. 2. 7.4 C272900200013 1. 3. 4.6 C272900200014 2. 3. 7.0 C272900200015 2. 4. 41.5 C272900200016 2. 6. 3. 7. 4.9 C272900200017 3. 6. 4. 7. 3.3 C272900200018 ENDDATA 9 0 C272900200019 ENDSUBENT 18 0 C272900299999 ENDENTRY 2 0 C272999999999