ENTRY C2652 20210713 C205C265200000001 SUBENT C2652001 20210713 C205C265200100001 BIB 8 18 C265200100002 TITLE Antiproton Interactions in Hydrogen and Carbon below C265200100003 200 Mev C265200100004 AUTHOR (L.E.Agnew Jr,T.Elioff,W.B.Fowler,R.L.Lander, C265200100005 W.M.Powell,E.Segre,H.M.Steiner,H.S.White,C.Wiegand, C265200100006 T.Ypsilantis) C265200100007 REFERENCE (J,PR,118,1371,1960) Final reference. C265200100008 #doi:10.1103/PhysRev.118.1371 C265200100009 (J,PRL,1,27,1958) Earlier carbon data. C265200100010 #doi:10.1103/PhysRevLett.1.27 C265200100011 (J,PR,110,994,1958) Antiproton beam, earlier p data. C265200100012 #doi:10.1103/PhysRev.110.994 C265200100013 INSTITUTE (1USABRK) C265200100014 FACILITY (SYNCH,1USABRK) Bevatron, a weak-focusing proton C265200100015 synchrotron. C265200100016 DETECTOR (BUBLC) 30-in. propane bubble chamber. C265200100017 SAMPLE Liquid propane (density=0.42 g/cm3). Total C265200100018 antiproton path length of 179 meters. C265200100019 HISTORY (20210713C) BP C265200100020 ENDBIB 18 0 C265200100021 NOCOMMON 0 0 C265200100022 ENDSUBENT 21 0 C265200199999 SUBENT C2652002 20210713 C205C265200200001 BIB 4 14 C265200200002 REACTION ((1-H-0(AP,X)1-PN-0,,SIG,,AV)+ C265200200003 (1-H-0(AP,X)1-PP-0,,SIG,,AV)+ C265200200004 (1-H-0(AP,X)0-P0-0,,SIG,,AV)) Annihil. cross section. C265200200005 ERR-ANALYS (DATA-ERR) Statistical errors on both the "raw" C265200200006 numbers and the corrections have been combined to C265200200007 yield the errors stated. C265200200008 CORRECTION The following corrections to the earlier works were C265200200009 significant: (a) the path length was measured C265200200010 accurately (it is now 3% shorter), (b) four C265200200011 antiprotons that scattered elastically and left. the C265200200012 chamber before annihilating were discovered, and (c) C265200200013 the cutoff-angle criterion was improved. C265200200014 STATUS (TABLE) Table IV, page 1375 of C265200200015 J,Phys.Rev.,118,1371,1960. C265200200016 ENDBIB 14 0 C265200200017 NOCOMMON 0 0 C265200200018 DATA 4 2 C265200200019 EN-MIN EN-MAX DATA DATA-ERR C265200200020 MEV MEV MB MB C265200200021 75.0 137.5 112.0 23.0 C265200200022 137.5 200.0 60.0 18.0 C265200200023 ENDDATA 4 0 C265200200024 ENDSUBENT 23 0 C265200299999 SUBENT C2652003 20210713 C205C265200300001 BIB 4 14 C265200300002 REACTION ((6-C-0(AP,X)1-PN-0,,SIG,,AV)+ C265200300003 (6-C-0(AP,X)1-PP-0,,SIG,,AV)+ C265200300004 (6-C-0(AP,X)0-P0-0,,SIG,,AV)) Annihil. cross section. C265200300005 ERR-ANALYS (DATA-ERR) Statistical errors on both the "raw" C265200300006 numbers and the corrections have been combined to C265200300007 yield the errors stated. C265200300008 CORRECTION The following corrections to the earlier works were C265200300009 significant: (a) the path length was measured C265200300010 accurately (it is now 3% shorter), (b) four C265200300011 antiprotons that scattered elastically and left. the C265200300012 chamber before annihilating were discovered, and (c) C265200300013 the cutoff-angle criterion was improved. C265200300014 STATUS (TABLE) Table IV, page 1375 of C265200300015 J,Phys.Rev.,118,1371,1960. C265200300016 ENDBIB 14 0 C265200300017 NOCOMMON 0 0 C265200300018 DATA 4 2 C265200300019 EN-MIN EN-MAX DATA DATA-ERR C265200300020 MEV MEV MB MB C265200300021 75.0 137.5 474.0 76.0 C265200300022 137.5 200.0 360.0 65.0 C265200300023 ENDDATA 4 0 C265200300024 ENDSUBENT 23 0 C265200399999 SUBENT C2652004 20210713 C205C265200400001 BIB 3 3 C265200400002 REACTION (6-C-0(AP,EL)6-C-0,,DA,,AV) C265200400003 CORRECTION Corrected for scanning inefficiency. C265200400004 STATUS (CURVE) Fig. 3, page 28 of J,Phys.Rev.Lett.,1,27,1958. C265200400005 ENDBIB 3 0 C265200400006 COMMON 2 3 C265200400007 EN-MIN EN-MAX C265200400008 MEV MEV C265200400009 30.0 200.0 C265200400010 ENDCOMMON 3 0 C265200400011 DATA 3 8 C265200400012 ANG-MIN ANG-MAX DATA C265200400013 ADEG ADEG MB/SR C265200400014 5.000 8.000 2177.798 C265200400015 8.000 11.000 958.787 C265200400016 11.000 14.000 490.166 C265200400017 14.000 17.000 431.091 C265200400018 17.000 20.000 110.438 C265200400019 20.000 23.000 213.199 C265200400020 23.000 26.000 30.225 C265200400021 26.000 29.000 50.328 C265200400022 ENDDATA 10 0 C265200400023 ENDSUBENT 22 0 C265200499999 ENDENTRY 4 0 C265299999999