ENTRY O1957 20200226 O076O195700000001 SUBENT O1957001 20200226 O076O195700100001 BIB 14 40 O195700100002 TITLE Study of the 6.05 MeV cascade transition in 12C(a,g). O195700100003 AUTHOR (D.Schuermann, A.Di Leva, L.Gialanella, R.Kunz, O195700100004 F.Strieder, N.De Cesare, M.De Cesare, A.D'Onofrio, O195700100005 K.Fortak, G.Imbriani, D.Rogalla, M.Romano, F.Terrasi) O195700100006 INSTITUTE (2GERBOC,2ITYNAP,2ITYLNS,2ITYFSN) O195700100007 REFERENCE (J,PL/B,703,557,2011) O195700100008 (J,NP/A,758,367,2005) - prelim. data (energy O195700100009 presented in c.m. system) O195700100010 REL-REF (I,C1729001,A.Di Leva+,J,PRL,102,232502,2009) O195700100011 Description of experimental setup O195700100012 FACILITY (VDGT,2GERBOC) Experiment performed at the Dynamitron O195700100013 Tandem Laboratorium of Ruhr-Universitat Bochum using O195700100014 the recoil separator ERNA O195700100015 SAMPLE A He-4 windowless gas target. The inner gas cell had a O195700100016 length of 40 mm and an areal density of O195700100017 4.x 10**17 atoms/cm2. O195700100018 METHOD (EDE,TOF) Recoil particle measurement O195700100019 DETECTOR (MAGSP) Recoil separator consisting of 3Q-Q-D-2Q O195700100020 magnetic structure with two additional Wien velocity O195700100021 filters placed after 3Q and 2Q and particle detectors O195700100022 in focal plane of the magnetic spectrometer O195700100023 (IOCH,PGAC) Ionization chamber telescope including a O195700100024 parallel grid avalanche counter for timing purposes O195700100025 for particle identification O195700100026 (MCPLT,SISD) Time of flight detector based on a O195700100027 microchannel plate and of a 16-strip Si detector as O195700100028 the stop detector. O195700100029 (NAICR) 6 identical 3*3 NaI detectors. The NaI O195700100030 detectors were oriented perpendicular to the beam axis O195700100031 with a front face distance of 60 mm and 3 detectors on O195700100032 each side of the windowless gas target. O195700100033 ADD-RES (G-SPC) O195700100034 ERR-ANALYS (DATA-ERR).The quoted uncertainties include statisticalO195700100035 errors and uncertainties arising from the fit. O195700100036 An uncertainty of less than 2 keV. O195700100037 COMMENT *By authors*.The energy is effective energy in the O195700100038 center of the gas target, O195700100039 STATUS (TABLE) Table 1 of Phys.Lett.,B703(2011)557 O195700100040 HISTORY (20111111C) SB O195700100041 (20200226U) SD: Ref. added. O195700100042 ENDBIB 40 0 O195700100043 NOCOMMON 0 0 O195700100044 ENDSUBENT 43 0 O195700199999 SUBENT O1957002 20111111 O046O195700200001 BIB 2 2 O195700200002 REACTION (6-C-12(A,G)8-O-16,EP/PAR,SIG,,SFC) O195700200003 EN-SEC (E-LVL,8-O-16) O195700200004 ENDBIB 2 0 O195700200005 COMMON 1 3 O195700200006 E-LVL O195700200007 MEV O195700200008 0.000 O195700200009 ENDCOMMON 3 0 O195700200010 DATA 7 14 O195700200011 EN POLAR DATA DATA-ERR +DATA-ERR -DATA-ERR O195700200012 DATA-MAX O195700200013 MEV NO-DIM B*KEV B*KEV B*KEV B*KEV O195700200014 B*KEV O195700200015 3.30 1. O195700200016 0.2 O195700200017 3.30 2. 2.1 0.1 O195700200018 O195700200019 3.50 1. 0.1 0.2 0.1 O195700200020 O195700200021 3.50 2. 2.2 0.1 O195700200022 O195700200023 3.80 1. 0.1 0.3 0.1 O195700200024 O195700200025 3.80 2. 4.4 0.2 O195700200026 O195700200027 4.20 1. 0.8 0.8 O195700200028 O195700200029 4.20 2. 36.2 0.3 O195700200030 O195700200031 4.30 1. 0.5 0.8 0.5 O195700200032 O195700200033 4.30 2. 193.8 1.0 O195700200034 O195700200035 4.43 1. O195700200036 0.9 O195700200037 4.43 2. 160.0 0.8 O195700200038 O195700200039 4.50 1. 1.0 0.4 O195700200040 O195700200041 4.50 2. 43.3 0.7 O195700200042 O195700200043 ENDDATA 32 0 O195700200044 ENDSUBENT 43 0 O195700299999 SUBENT O1957003 20111111 O046O195700300001 BIB 2 2 O195700300002 REACTION (6-C-12(A,G)8-O-16,EP/PAR,SIG,,SFC) O195700300003 EN-SEC (E-LVL,8-O-16) O195700300004 ENDBIB 2 0 O195700300005 COMMON 1 3 O195700300006 E-LVL O195700300007 MEV O195700300008 6.050 O195700300009 ENDCOMMON 3 0 O195700300010 DATA 7 14 O195700300011 EN POLAR DATA DATA-ERR +DATA-ERR -DATA-ERR O195700300012 DATA-MAX O195700300013 MEV NO-DIM B*KEV B*KEV B*KEV B*KEV O195700300014 B*KEV O195700300015 3.30 1. O195700300016 0.7 O195700300017 3.30 2. 2.7 0.4 O195700300018 O195700300019 3.50 1. O195700300020 0.3 O195700300021 3.50 2. 3.0 0.2 O195700300022 O195700300023 3.80 1. O195700300024 0.7 O195700300025 3.80 2. 3.3 0.5 O195700300026 O195700300027 4.20 1. O195700300028 0.3 O195700300029 4.20 2. 7.7 2.3 O195700300030 O195700300031 4.30 1. 0.3 1.8 0.3 O195700300032 O195700300033 4.30 2. 19.1 1.5 O195700300034 O195700300035 4.43 1. 2.6 1.9 O195700300036 O195700300037 4.43 2. 1.3 1.3 O195700300038 O195700300039 4.50 1. O195700300040 0.6 O195700300041 4.50 2. 1.3 1.0 O195700300042 O195700300043 ENDDATA 32 0 O195700300044 ENDSUBENT 43 0 O195700399999 SUBENT O1957004 20111111 O046O195700400001 BIB 2 2 O195700400002 REACTION (6-C-12(A,G)8-O-16,PAR,SIG,,SFC) O195700400003 EN-SEC (E-LVL,8-O-16) O195700400004 ENDBIB 2 0 O195700400005 NOCOMMON 0 0 O195700400006 DATA 4 21 O195700400007 E-LVL EN DATA DATA-ERR O195700400008 MEV MEV B*KEV B*KEV O195700400009 6.13 3.30 1.2 0.4 O195700400010 6.13 3.50 1.2 0.2 O195700400011 6.13 3.80 1.7 0.3 O195700400012 6.13 4.20 3.9 0.6 O195700400013 6.13 4.30 9.9 1.5 O195700400014 6.13 4.43 6.8 1.1 O195700400015 6.13 4.50 2.7 0.6 O195700400016 6.92 3.30 20.4 0.7 O195700400017 6.92 3.50 2.6 0.3 O195700400018 6.92 3.80 2.7 0.4 O195700400019 6.92 4.20 4.8 0.3 O195700400020 6.92 4.30 10.7 1.3 O195700400021 6.92 4.43 2.6 0.8 O195700400022 6.92 4.50 1.1 0.6 O195700400023 7.12 3.30 1.6 1.1 O195700400024 7.12 3.50 1.9 0.3 O195700400025 7.12 3.80 2.4 0.4 O195700400026 7.12 4.20 4.5 0.3 O195700400027 7.12 4.30 6.1 1.3 O195700400028 7.12 4.43 5.1 0.8 O195700400029 7.12 4.50 2.9 0.5 O195700400030 ENDDATA 23 0 O195700400031 ENDSUBENT 30 0 O195700499999 ENDENTRY 4 0 O195799999999