ENTRY E1803 20050914 E032E180300000001 SUBENT E1803001 20050914 E032E180300100001 BIB 13 55 E180300100002 TITLE Study of resonance states in 12N using a radioactive E180300100003 ion beam of 11C E180300100004 AUTHOR (T.Teranishi, S.Kubono, S.Shimoura, M.Notani, E180300100005 Y.Yanagisawa, S.Michimasa, K.Ue, H.Iwasaki, E180300100006 M.Kurokawa, Y.Satou, T.Morikawa, A.Saito, H.Baba, E180300100007 J.H.Lee, C.S.Lee, Zs.Fulop, S.Kato) E180300100008 INSTITUTE (2JPNTOK) Center for Nuclear Study (CNS) E180300100009 (2JPNIPC) E180300100010 (2JPNKYU) Department of Physics E180300100011 (2JPNYOK) Department of Physics E180300100012 (3KORKOR) Department of Physics, Chun-Ang University, E180300100013 Seoul E180300100014 (3HUNDEB) E180300100015 (2JPNYMG) Department of Physics E180300100016 REFERENCE (J,PL/B,556,(1-2),27,200303) E180300100017 REL-REF (N,,A.H.Hernandez+,J,NIM/B,143,(4),569,199810) E180300100018 Thick target method E180300100019 (N,,S.Kubono,J,NP/A,693,(1-2),221,200110) E180300100020 Thick target method E180300100021 PART-DET (P) E180300100022 INC-SOURCE Beam intensity is 17000 PPS. E180300100023 INC-SPECT EN: Excitation function obtained by thick target E180300100024 method E180300100025 SAMPLE - Target is natural. E180300100026 - Chemical-form of target is CH2. Data with carbon E180300100027 target was also taken in a separate run to evaluate E180300100028 the background contribution from the reactions of E180300100029 11C with C atoms in the (CH2)n target. E180300100030 - Physical-form of target is solid. E180300100031 - Target-thickness: Thickness of (CH2)n target is 8.0 E180300100032 mg/cm2 and C target is 10.7 mg/cm2 E180300100033 METHOD (TOF) Particle identification, measured by 2 PPACs and E180300100034 Delta-E detector E180300100035 (EDE) Particle identification E180300100036 (TTM) 11C beam particles were fully stopped in the E180300100037 (CH2)n target and energies of recoil protons, E180300100038 coming out from a thick target, are measured at E180300100039 a forward angle in the laboratory frame and the E180300100040 converted to the center-of-mass energies of E180300100041 scattering. Due to the thick target, a wide E180300100042 range of the excitation function for the elastic E180300100043 scattering can be measured with a beam of fixed E180300100044 energy. See S. Kubono, Nucl. Phys. A693(2001)221 E180300100045 for detail. E180300100046 FACILITY (ISOCY,2JPNIPC) Primary 10B beam with 7.8 MeV/A E180300100047 (PRJFS,2JPNIPC) To produce 11C secondary beam by the E180300100048 3He(10B,12N*)n reaction, where the 11C E180300100049 particles were emitted from the E180300100050 unbound levels in 12N. E180300100051 DETECTOR (PPAC) 2 parallel plate avalanche counters 1) to E180300100052 identify proton usign ToF information and 2) to E180300100053 determin scattering angle with a resolution of E180300100054 0.6 deg (FWHM) E180300100055 (SI) To identify proton using E-Delta E infomation E180300100056 HISTORY (20040806C) E180300100057 ENDBIB 55 0 E180300100058 NOCOMMON 0 0 E180300100059 ENDSUBENT 58 0 E180300199999 SUBENT E1803002 20050224 0000E180300200001 BIB 5 11 E180300200002 REACTION (1-H-1(6-C-11,EL)1-H-1,,DA) E180300200003 EN-SEC ANG-CM is polar angle between beam and proton in E180300200004 center of mass system E180300200005 ERR-ANALYS (EN-ERR) Systematic error of center of mass energy E180300200006 mainly due to those from beam energy and E180300200007 emitted proton energy E180300200008 (ERR-S) Statistical error E180300200009 (ERR-SYS) Mainly due to that in detector solid angle E180300200010 COMMENT EN-RSL-FW: Resolution of center of mass energy E180300200011 STATUS (TABLE) Data (Fig.1, p30 in reference) received from E180300200012 T.Teranishi by e-mail E180300200013 ENDBIB 11 0 E180300200014 COMMON 5 3 E180300200015 ANG-CM EN-ERR EN-RSL-FW ERR-SYS ANG-RSL E180300200016 ADEG KEV KEV PER-CENT ADEG E180300200017 180. 20. 50. 4. 0.6 E180300200018 ENDCOMMON 3 0 E180300200019 DATA 3 105 E180300200020 EN-CM DATA-CM ERR-S E180300200021 MEV MB/SR MB/SR E180300200022 0.3125 434.1 23.5 E180300200023 0.3375 371.2 21.4 E180300200024 0.3625 321.8 18.9 E180300200025 0.3875 294.8 17.9 E180300200026 0.4125 228.9 16.5 E180300200027 0.4375 193.8 15.5 E180300200028 0.4625 163.7 13.7 E180300200029 0.4875 141.4 13.3 E180300200030 0.5125 129.2 12.8 E180300200031 0.5375 163.8 14.5 E180300200032 0.5625 272.7 16.7 E180300200033 0.5875 359.4 19.6 E180300200034 0.6125 380.2 20.2 E180300200035 0.6375 410.4 21.1 E180300200036 0.6625 337.6 19.0 E180300200037 0.6875 269.2 16.6 E180300200038 0.7125 261.0 16.3 E180300200039 0.8625 151.8 13.2 E180300200040 0.8875 182.7 14.3 E180300200041 0.9125 165.8 14.3 E180300200042 0.9375 158.5 14.1 E180300200043 0.9625 135.9 14.2 E180300200044 0.9875 153.0 13.8 E180300200045 1.0125 171.8 14.3 E180300200046 1.0375 138.0 13.3 E180300200047 1.0625 179.4 13.7 E180300200048 1.0875 137.7 12.7 E180300200049 1.1125 127.8 13.7 E180300200050 1.1375 178.8 14.2 E180300200051 1.1625 167.3 14.2 E180300200052 1.1875 184.3 13.7 E180300200053 1.2125 163.4 13.7 E180300200054 1.2375 150.6 13.0 E180300200055 1.2625 153.9 13.3 E180300200056 1.2875 171.0 13.5 E180300200057 1.3125 170.5 13.3 E180300200058 1.3375 176.5 13.1 E180300200059 1.3625 176.7 13.1 E180300200060 1.3875 154.0 13.8 E180300200061 1.4125 164.1 13.6 E180300200062 1.4375 161.8 13.1 E180300200063 1.4625 159.3 13.6 E180300200064 1.4875 148.1 13.7 E180300200065 1.5125 185.9 14.0 E180300200066 1.5375 177.4 13.7 E180300200067 1.5625 154.3 13.4 E180300200068 1.5875 152.0 13.8 E180300200069 1.6125 154.2 13.8 E180300200070 1.6375 154.9 13.6 E180300200071 1.6625 153.2 13.4 E180300200072 1.6875 157.6 12.8 E180300200073 1.7125 145.0 13.0 E180300200074 1.7375 156.6 13.1 E180300200075 1.7625 140.9 12.6 E180300200076 1.7875 141.4 12.6 E180300200077 1.8125 124.7 11.6 E180300200078 1.8375 142.8 12.6 E180300200079 1.8625 152.8 13.2 E180300200080 1.8875 185.9 12.4 E180300200081 1.9125 169.9 13.6 E180300200082 1.9375 173.0 12.7 E180300200083 1.9625 150.2 12.9 E180300200084 1.9875 187.8 12.7 E180300200085 2.0125 186.5 12.8 E180300200086 2.0375 160.9 12.3 E180300200087 2.0625 155.8 11.8 E180300200088 2.0875 171.1 12.0 E180300200089 2.1125 182.0 12.2 E180300200090 2.1375 171.2 12.4 E180300200091 2.1625 195.8 12.0 E180300200092 2.1875 172.7 11.9 E180300200093 2.2125 200.0 12.2 E180300200094 2.2375 191.1 11.3 E180300200095 2.2625 181.7 11.5 E180300200096 2.2875 247.8 12.9 E180300200097 2.3125 212.8 12.0 E180300200098 2.3375 232.0 12.0 E180300200099 2.3625 235.6 12.4 E180300200100 2.3875 277.3 13.4 E180300200101 2.4125 297.7 13.2 E180300200102 2.4375 295.0 13.8 E180300200103 2.4625 295.0 13.4 E180300200104 2.4875 313.2 13.5 E180300200105 2.5125 283.5 13.3 E180300200106 2.5375 252.3 12.4 E180300200107 2.5625 219.1 11.5 E180300200108 2.5875 188.8 10.7 E180300200109 2.6125 165.5 10.1 E180300200110 2.6375 156.6 9.9 E180300200111 2.6625 121.7 8.6 E180300200112 2.6875 100.3 8.5 E180300200113 2.7125 120.5 8.8 E180300200114 2.7375 89.1 8.3 E180300200115 2.7625 88.1 7.8 E180300200116 2.7875 89.6 7.2 E180300200117 2.8125 72.4 7.2 E180300200118 2.8375 76.5 6.8 E180300200119 2.8625 60.9 7.1 E180300200120 2.8875 71.9 6.7 E180300200121 2.9125 71.5 6.7 E180300200122 2.9375 80.4 7.0 E180300200123 2.9625 92.1 7.6 E180300200124 2.9875 95.9 7.4 E180300200125 3.0125 106.8 7.9 E180300200126 3.0375 118.1 8.2 E180300200127 ENDDATA 107 0 E180300200128 ENDSUBENT 127 0 E180300299999 SUBENT E1803003 20050914 E032E180300300001 BIB 6 15 E180300300002 REACTION 1(1-H-1(6-C-11,0),,J) E180300300003 Tentative value for 3.6 MeV level E180300300004 2(1-H-1(6-C-11,0),,PTY) E180300300005 MISC-COL (MISC1) Excitation energy (11N) = center of mass E180300300006 energy (11C+p) + 0.601 MeV E180300300007 (MISC2) Resonance width in [F. Ajzenberg-Selove, Nucl. E180300300008 Phys. A506(1996)1] used in the derivation of E180300300009 J-pi E180300300010 ANALYSIS Resonance formula based on [J.M. Blatt and L.C. E180300300011 Biedenharn, Rev. Mod. Phys. 24(1952)258] E180300300012 COMMENT EN-RES-CM: Resonance energy in [F. Ajzenberg-Selove, E180300300013 Nucl. Phys. A506(1996)1] used in the derivation of E180300300014 J-pi E180300300015 STATUS (TABLE) Data taken from Table 2, p31 in reference E180300300016 HISTORY (20050813A) On. REACTION (sf3) corrected E180300300017 ENDBIB 15 0 E180300300018 NOCOMMON 0 0 E180300300019 DATA 5 2 E180300300020 EN-RES-CM MISC1 MISC2 DATA 1DATA 2 E180300300021 MEV MEV MEV NO-DIM NO-DIM E180300300022 2.53 3.1 0.22 3.0 -1.0 E180300300023 2.96 3.6 0.22 2.0 +1.0 E180300300024 ENDDATA 4 0 E180300300025 ENDSUBENT 24 0 E180300399999 ENDENTRY 3 0 E180399999999