ENTRY C2777 20221111 C225C2777000 1 SUBENT C2777001 20221111 C225C2777001 1 BIB 9 23 C2777001 2 TITLE Survey of the (alpha,2He) reaction on 1p- and 2s 1d- C2777001 3 shell nuclei C2777001 4 AUTHOR (R.Jahn,D.P.Stahel,G.J.Wozniak,R.J.de Meijer,J.Cerny) C2777001 5 INSTITUTE (1USABRK) C2777001 6 REFERENCE (J,PR/C,18,9,1978) C2777001 7 #doi:10.1103/PhysRevC.18.9 C2777001 8 (J,PRL,37,812,1976) C2777001 9 #doi:10.1103/PhysRevLett.37.812 C2777001 10 FACILITY (CYCLO,1USABRK) The Berkeley 88-inch cyclotron. C2777001 11 PART-DET (P) C2777001 12 METHOD (COINC) Two protons detected in coincidence C2777001 13 DETECTOR (TELES,SILI,SI) Two large solid-angle counter C2777001 14 telescopes collimated by 8-mm-wide and 10-mm-high C2777001 15 slits which were separated by a 10-mm-high central C2777001 16 post. At 11 cm from the target, this system subtended C2777001 17 a 15 degrees vertical and a 4 degrees horizontal C2777001 18 acceptance angle. For the gas target measurements, a C2777001 19 3-mm-wide vertical slit (front gas collimator) was C2777001 20 located at a distance of 4 cm from the center of the C2777001 21 gas cell. Each telescope consisted of a 380-mu-m C2777001 22 phosphorus diffused silicon deltaE counter, a 5-mm C2777001 23 Si(Li) E counter and a 5 mm Si(Li) veto counter. C2777001 24 HISTORY (20221111C) OG C2777001 25 ENDBIB 23 0 C2777001 26 NOCOMMON 0 0 C2777001 27 ENDSUBENT 26 0 C277700199999 SUBENT C2777002 20221111 C225C2777002 1 BIB 9 22 C2777002 2 REACTION (6-C-12(A,2-HE-2)6-C-14,PAR,DA) C2777002 3 EN-SEC (E-LVL,6-C-14) C2777002 4 LEVEL-PROP (6-C-14,E-LVL=0.00,SPIN=0.,PARITY=+1.) C2777002 5 (6-C-14,E-LVL=6.73,SPIN=3.,PARITY=-1.) C2777002 6 (6-C-14,E-LVL=10.72,SPIN=4.,PARITY=+1.) C2777002 7 (6-C-14,E-LVL=14.67,SPIN=4.,PARITY=+1.) C2777002 8 SAMPLE 12C self-supporting solid target with thickness C2777002 9 350 mu-g/cm2. C2777002 10 (6-C-12,ENR=0.989) C2777002 11 FLAG (1.) Data taken from J,PRL,37,812,1976 C2777002 12 (2.) Data taken from J,PR/C,18,9,1978 C2777002 13 COMMENT From the authors. The excitation energy of 10.55 MeV C2777002 14 quoted in J,PRL,37,812,1976 is too low due to a C2777002 15 nonlinear behavior of the E detectors used in that C2777002 16 experiment. The excitation energy is equal 10.72 MeV. C2777002 17 CRITIQUE From compiler. Cross section values for the 4+ state C2777002 18 for the excitation energy 10.72 MeV, presented in C2777002 19 J,PR/C,18,9,1978 is in disagreement with the previouslyC2777002 20 reported values in J,PRL,37,812,1976. C2777002 21 ERR-ANALYS (ERR-S) The errors contain statistical uncertainties. C2777002 22 STATUS (CURVE) Fig.3 in J,PRL,37,812,1976 and Fig.5 in C2777002 23 J,PR/C,18,9,1978 were digitized by GSYS-2.4.9. C2777002 24 ENDBIB 22 0 C2777002 25 COMMON 1 3 C2777002 26 EN C2777002 27 MEV C2777002 28 65. C2777002 29 ENDCOMMON 3 0 C2777002 30 DATA 5 49 C2777002 31 E-LVL ANG-CM DATA-CM ERR-S FLAG C2777002 32 MEV ADEG MU-B/SR MU-B/SR NO-DIM C2777002 33 0.0 13.756 1.298E+00 3.483E-01 1. C2777002 34 0.0 17.828 2.835E+00 5.091E-01 1. C2777002 35 0.0 24.163 3.998E+00 9.487E-01 1. C2777002 36 0.0 30.407 1.598E+00 3.274E-01 1. C2777002 37 0.0 35.747 1.632E+00 2.361E-01 1. C2777002 38 0.0 43.077 2.635E+00 3.813E-01 1. C2777002 39 0.0 49.140 2.399E+00 3.684E-01 1. C2777002 40 0.0 61.357 6.257E-01 9.608E-02 1. C2777002 41 0.0 72.217 2.835E-01 7.824E-02 1. C2777002 42 0.0 84.344 7.788E-02 2.546E-02 1. C2777002 43 6.73 15.225 2.466E+01 2.461E+00 1. C2777002 44 6.73 18.934 2.312E+01 2.836E+00 1. C2777002 45 6.73 25.708 1.378E+01 2.010E+00 1. C2777002 46 6.73 32.126 1.057E+01 1.636E+00 1. C2777002 47 6.73 38.094 8.635E+00 1.260E+00 1. C2777002 48 6.73 44.515 7.205E+00 1.052E+00 1. C2777002 49 6.73 50.757 6.609E+00 7.837E-01 1. C2777002 50 6.73 62.337 5.741E+00 8.897E-01 1. C2777002 51 6.73 74.633 3.753E+00 7.117E-01 1. C2777002 52 6.73 86.014 1.628E+00 3.227E-01 1. C2777002 53 10.72 16.044 3.817E+01 5.182E+00 1. C2777002 54 10.72 16.468 1.045E+02 2. C2777002 55 10.72 19.190 2.485E+01 2.692E+00 1. C2777002 56 10.72 19.628 6.246E+01 2. C2777002 57 10.72 25.772 1.548E+01 1.529E+00 1. C2777002 58 10.72 26.877 3.775E+01 2. C2777002 59 10.72 32.170 8.876E+00 1.361E+00 1. C2777002 60 10.72 33.011 2.232E+01 2. C2777002 61 10.72 39.119 6.072E+00 8.784E-01 1. C2777002 62 10.72 39.145 1.505E+01 2. C2777002 63 10.72 45.058 3.138E+00 4.539E-01 1. C2777002 64 10.72 46.022 7.892E+00 2. C2777002 65 10.72 51.748 2.700E+00 4.146E-01 1. C2777002 66 10.72 51.970 7.554E+00 2. C2777002 67 10.72 63.531 3.938E+00 6.052E-01 1. C2777002 68 10.72 64.424 9.199E+00 2. C2777002 69 10.72 74.275 5.500E+00 2. C2777002 70 10.72 75.538 2.203E+00 2.786E-01 1. C2777002 71 10.72 87.347 8.738E-01 1.027E-01 1. C2777002 72 10.72 87.844 2.217E+00 3.357E-01 2. C2777002 73 14.67 16.031 3.960E+00 7.418E-01 1. C2777002 74 14.67 20.187 3.278E+00 6.418E-01 1. C2777002 75 14.67 27.139 2.203E+00 4.492E-01 1. C2777002 76 14.67 33.828 1.802E+00 4.157E-01 1. C2777002 77 14.67 40.608 1.475E+00 2.763E-01 1. C2777002 78 14.67 46.944 1.532E+00 3.499E-01 1. C2777002 79 14.67 53.255 8.368E-01 2.044E-01 1. C2777002 80 14.67 66.289 8.938E-01 1.675E-01 1. C2777002 81 14.67 77.869 8.009E-01 1.567E-01 1. C2777002 82 ENDDATA 51 0 C2777002 83 ENDSUBENT 82 0 C277700299999 SUBENT C2777003 20221111 C225C2777003 1 BIB 6 11 C2777003 2 REACTION (6-C-13(A,2-HE-2)6-C-15,PAR,DA) C2777003 3 EN-SEC (E-LVL,6-C-15) C2777003 4 LEVEL-PROP (6-C-15,E-LVL=6.74,SPIN=3.5,PARITY=-1.) C2777003 5 (6-C-15,E-LVL=7.35,SPIN=4.5,PARITY=-1.) C2777003 6 SAMPLE 13C self-supporting solid target with thickness C2777003 7 140 mu-g/cm2. C2777003 8 (6-C-13,ENR=0.900) C2777003 9 ERR-ANALYS No information on uncertainties. C2777003 10 STATUS (CURVE,,R.Jahn+,J,PR/C,18,9,1978) C2777003 11 Fig.5 in J,PR/C,18,9,1978 was digitized C2777003 12 by GSYS-2.4.9. C2777003 13 ENDBIB 11 0 C2777003 14 COMMON 3 3 C2777003 15 EN E-LVL E-LVL C2777003 16 MEV MEV MEV C2777003 17 65. 6.74 7.35 C2777003 18 ENDCOMMON 3 0 C2777003 19 DATA 2 9 C2777003 20 ANG-CM DATA-CM C2777003 21 ADEG MU-B/SR C2777003 22 15.176 1.215E+02 C2777003 23 19.258 9.073E+01 C2777003 24 26.865 5.578E+01 C2777003 25 32.059 3.780E+01 C2777003 26 39.295 2.178E+01 C2777003 27 45.232 1.997E+01 C2777003 28 51.540 1.524E+01 C2777003 29 63.414 1.368E+01 C2777003 30 73.247 8.596E+00 C2777003 31 ENDDATA 11 0 C2777003 32 ENDSUBENT 31 0 C277700399999 SUBENT C2777004 20221111 C225C2777004 1 BIB 6 9 C2777004 2 REACTION (8-O-16(A,2-HE-2)8-O-18,PAR,DA) C2777004 3 EN-SEC (E-LVL,8-O-18) C2777004 4 LEVEL-PROP (6-C-15,E-LVL=3.56,SPIN=4.,PARITY=+1.) C2777004 5 SAMPLE O2 gas target at a pressure of 0.20 atm. C2777004 6 (8-O-16,ENR=0.998) C2777004 7 ERR-ANALYS No information on uncertainties. C2777004 8 STATUS (CURVE,,R.Jahn+,J,PR/C,18,9,1978) C2777004 9 Fig.5 in J,PR/C,18,9,1978 was digitized C2777004 10 by GSYS-2.4.9. C2777004 11 ENDBIB 9 0 C2777004 12 COMMON 2 3 C2777004 13 EN E-LVL C2777004 14 MEV MEV C2777004 15 65. 3.56 C2777004 16 ENDCOMMON 3 0 C2777004 17 DATA 2 8 C2777004 18 ANG-CM DATA-CM C2777004 19 ADEG MU-B/SR C2777004 20 14.434 1.228E+02 C2777004 21 19.258 1.033E+02 C2777004 22 25.195 4.692E+01 C2777004 23 31.132 2.589E+01 C2777004 24 37.254 2.108E+01 C2777004 25 42.634 1.627E+01 C2777004 26 50.427 1.680E+01 C2777004 27 59.332 1.872E+01 C2777004 28 ENDDATA 10 0 C2777004 29 ENDSUBENT 28 0 C277700499999 SUBENT C2777005 20221111 C225C2777005 1 BIB 5 7 C2777005 2 REACTION (10-NE-22(A,2-HE-2)10-NE-24,PAR,DA) C2777005 3 EN-SEC (E-LVL,10-NE-24) C2777005 4 SAMPLE Gas target at a pressure of 0.27 atm. C2777005 5 (10-NE-22,ENR=0.9965) C2777005 6 ERR-ANALYS No information on uncertainties. C2777005 7 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777005 8 Tab.II (p.18) in J,PR/C,18,9,1978. C2777005 9 ENDBIB 7 0 C2777005 10 COMMON 2 3 C2777005 11 EN ANG C2777005 12 MEV ADEG C2777005 13 65. 15. C2777005 14 ENDCOMMON 3 0 C2777005 15 DATA 2 2 C2777005 16 E-LVL DATA C2777005 17 MEV MU-B/SR C2777005 18 8.15 25. C2777005 19 11.35 30. C2777005 20 ENDDATA 4 0 C2777005 21 ENDSUBENT 20 0 C277700599999 SUBENT C2777006 20221111 C225C2777006 1 BIB 5 8 C2777006 2 REACTION (12-MG-24(A,2-HE-2)12-MG-26,PAR,DA) C2777006 3 EN-SEC (E-LVL,12-MG-26) C2777006 4 SAMPLE Self-supporting solid target with thickness C2777006 5 650 mu-g/cm2. C2777006 6 (12-MG-24,ENR=0.9996) C2777006 7 ERR-ANALYS No information on uncertainties. C2777006 8 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777006 9 Tab.II (p.18) in J,PR/C,18,9,1978. C2777006 10 ENDBIB 8 0 C2777006 11 COMMON 2 3 C2777006 12 EN ANG C2777006 13 MEV ADEG C2777006 14 55. 15. C2777006 15 ENDCOMMON 3 0 C2777006 16 DATA 2 2 C2777006 17 E-LVL DATA C2777006 18 MEV MU-B/SR C2777006 19 8.62 60. C2777006 20 11.23 25. C2777006 21 ENDDATA 4 0 C2777006 22 ENDSUBENT 21 0 C277700699999 SUBENT C2777007 20221111 C225C2777007 1 BIB 5 8 C2777007 2 REACTION (12-MG-26(A,2-HE-2)12-MG-28,PAR,DA) C2777007 3 EN-SEC (E-LVL,12-MG-28) C2777007 4 SAMPLE Self-supporting solid target with thickness C2777007 5 300 mu-g/cm2. C2777007 6 (12-MG-26,ENR=0.9942) C2777007 7 ERR-ANALYS No information on uncertainties. C2777007 8 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777007 9 Tab.II (p.18) in J,PR/C,18,9,1978. C2777007 10 ENDBIB 8 0 C2777007 11 COMMON 2 3 C2777007 12 EN ANG C2777007 13 MEV ADEG C2777007 14 65. 15. C2777007 15 ENDCOMMON 3 0 C2777007 16 DATA 2 2 C2777007 17 E-LVL DATA C2777007 18 MEV MU-B/SR C2777007 19 6.46 40. C2777007 20 8.88 30. C2777007 21 ENDDATA 4 0 C2777007 22 ENDSUBENT 21 0 C277700799999 SUBENT C2777008 20221111 C225C2777008 1 BIB 5 8 C2777008 2 REACTION (14-SI-28(A,2-HE-2)14-SI-30,PAR,DA) C2777008 3 EN-SEC (E-LVL,14-SI-30) C2777008 4 SAMPLE Self-supporting solid target with thickness C2777008 5 410 mu-g/cm2. C2777008 6 (14-SI-28,ENR=0.998) C2777008 7 ERR-ANALYS No information on uncertainties. C2777008 8 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777008 9 Tab.II (p.18) in J,PR/C,18,9,1978. C2777008 10 ENDBIB 8 0 C2777008 11 COMMON 2 3 C2777008 12 EN ANG C2777008 13 MEV ADEG C2777008 14 65. 15. C2777008 15 ENDCOMMON 3 0 C2777008 16 DATA 2 2 C2777008 17 E-LVL DATA C2777008 18 MEV MU-B/SR C2777008 19 7.04 65. C2777008 20 8.95 50. C2777008 21 ENDDATA 4 0 C2777008 22 ENDSUBENT 21 0 C277700899999 SUBENT C2777009 20221111 C225C2777009 1 BIB 5 8 C2777009 2 REACTION (16-S-32(A,2-HE-2)16-S-34,PAR,DA) C2777009 3 EN-SEC (E-LVL,16-S-34) C2777009 4 SAMPLE Sb2S3 self-supporting solid target with thickness C2777009 5 750 mu-g/cm2. C2777009 6 (16-S-32,ENR=0.950) C2777009 7 ERR-ANALYS No information on uncertainties. C2777009 8 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777009 9 Tab.II (p.18) in J,PR/C,18,9,1978. C2777009 10 ENDBIB 8 0 C2777009 11 COMMON 2 3 C2777009 12 EN ANG C2777009 13 MEV ADEG C2777009 14 65. 15. C2777009 15 ENDCOMMON 3 0 C2777009 16 DATA 2 2 C2777009 17 E-LVL DATA C2777009 18 MEV MU-B/SR C2777009 19 5.69 100. C2777009 20 8.45 85. C2777009 21 ENDDATA 4 0 C2777009 22 ENDSUBENT 21 0 C277700999999 SUBENT C2777010 20221111 C225C2777010 1 BIB 5 7 C2777010 2 REACTION (18-AR-36(A,2-HE-2)18-AR-38,PAR,DA) C2777010 3 EN-SEC (E-LVL,18-AR-38) C2777010 4 SAMPLE Gas target at a pressure of 0.27 atm. C2777010 5 (18-AR-36,ENR=0.995) C2777010 6 ERR-ANALYS No information on uncertainties. C2777010 7 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777010 8 Tab.II (p.18) in J,PR/C,18,9,1978. C2777010 9 ENDBIB 7 0 C2777010 10 NOCOMMON 0 0 C2777010 11 DATA 4 1 C2777010 12 EN ANG E-LVL DATA C2777010 13 MEV ADEG MEV MU-B/SR C2777010 14 65. 15. 6.41 35. C2777010 15 ENDDATA 3 0 C2777010 16 ENDSUBENT 15 0 C277701099999 SUBENT C2777011 20221111 C225C2777011 1 BIB 5 7 C2777011 2 REACTION (18-AR-38(A,2-HE-2)18-AR-40,PAR,DA) C2777011 3 EN-SEC (E-LVL,18-AR-40) C2777011 4 SAMPLE Gas target at a pressure of 0.29 atm. C2777011 5 (18-AR-38,ENR=0.950) C2777011 6 ERR-ANALYS No information on uncertainties. C2777011 7 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777011 8 Tab.II (p.18) in J,PR/C,18,9,1978. C2777011 9 ENDBIB 7 0 C2777011 10 NOCOMMON 0 0 C2777011 11 DATA 4 1 C2777011 12 EN ANG E-LVL DATA C2777011 13 MEV ADEG MEV MU-B/SR C2777011 14 65. 15. 3.47 30. C2777011 15 ENDDATA 3 0 C2777011 16 ENDSUBENT 15 0 C277701199999 SUBENT C2777012 20221111 C225C2777012 1 BIB 5 8 C2777012 2 REACTION (20-CA-40(A,2-HE-2)20-CA-42,PAR,DA) C2777012 3 EN-SEC (E-LVL,20-CA-42) C2777012 4 SAMPLE Self-supporting solid target with thickness C2777012 5 620 mu-g/cm2. C2777012 6 (20-CA-40,ENR=0.9997) C2777012 7 ERR-ANALYS No information on uncertainties. C2777012 8 STATUS (TABLE,,R.Jahn+,J,PR/C,18,9,1978) C2777012 9 Tab.II (p.18) in J,PR/C,18,9,1978. C2777012 10 ENDBIB 8 0 C2777012 11 NOCOMMON 0 0 C2777012 12 DATA 4 1 C2777012 13 EN ANG E-LVL DATA C2777012 14 MEV ADEG MEV MU-B/SR C2777012 15 55. 15. 3.19 40. C2777012 16 ENDDATA 3 0 C2777012 17 ENDSUBENT 16 0 C277701299999 ENDENTRY 12 0 C277799999999