ENTRY E1576 20051219 E034E157600000001 SUBENT E1576001 20051219 E034E157600100001 BIB 12 47 E157600100002 TITLE Coulomb dissociation of 8B and the 7Be(p,gamma)8B E157600100003 reaction at low energies E157600100004 AUTHOR (T.Motobayashi, N.Iwasa, Y.Ando, M.Kurokawa, E157600100005 H.Murakami, J.Ruan, S.Shimoura, S.Shirato, N.Inabe, E157600100006 M.Ishihara, T.Kubo, Y.Watanabe, M.Gai, R.H.France III, E157600100007 K.I.Hahn, Z.Zhao, T.Nakamura, T.Teranishi, Y.Futami, E157600100008 K.Furutaka, Th.Delbar) E157600100009 INSTITUTE (2JPNYOK) Department of Physics E157600100010 (2JPNIPC) E157600100011 (1USAYAL) A.W.Wright Nuclear Structure Laboratory, E157600100012 Department of Physics E157600100013 (2JPNTOK) Department of Physics E157600100014 (2JPNTSU) The Institute of Physics E157600100015 (2JPNTIT) Department of Physics E157600100016 (2BLGLVN) Institut de Physique Nucleaire E157600100017 REFERENCE (J,PRL,73,(20),2680,199411) E157600100018 PART-DET (P,4-BE-7) E157600100019 INC-SOURCE Beam intensity: 2*10**4/s E157600100020 SAMPLE - Target enrichment is 99.5%. E157600100021 - Chemical-form of target is element. E157600100022 - Physical-form of target is solid. E157600100023 - Target-thickness is 50 mg/cm**2. E157600100024 METHOD (COINC) Detect proton and 7Be in coincidence. E157600100025 (TOF) To determine energy of breakup fragments E157600100026 (EDE) E157600100027 FACILITY (CYCLO,2JPNIPC) Primary 12C beam of 91 MeV/A bombarded E157600100028 a 9Be target of 1.4 g/cm**2 thickness. E157600100029 Reaction products were analyzed by the E157600100030 projectile fragment separator RIPS to E157600100031 obtain a radioactive 8B beam. E157600100032 (PRJFS,2JPNIPC) RIKEN projectile fragment separator E157600100033 (RIPS) E157600100034 DETECTOR Detector resolution: Energy resolution is 100 and 130 E157600100035 keV at 0.6 and 1.7 MeV of relative energy between 7Be E157600100036 and neutron, respectively. E157600100037 (SCIN) Plastic scintillator: To detect proton and 7Be E157600100038 ADD-RES E1576.003:82-PB-208(5-B-8,INL)82-PB-208 E157600100039 Angular distribution E157600100040 See NRDF D1576 DATA,2 for detail. E157600100041 E1576.004:82-PB-208(5-B-8,INL)82-PB-208 E157600100042 Angular distribution E157600100043 See NRDF D1576 DATA,3 for detail. E157600100044 E1576.005:82-PB-208(5-B-8,INL)82-PB-208 E157600100045 Angular distribution E157600100046 See NRDF D1576 DATA,4 for detail. E157600100047 HISTORY (20051005T) Kc + Sr + On. Converted from NRDF D1576 E157600100048 (20051115A) At + Sr. Re-digitized E157600100049 ENDBIB 47 0 E157600100050 NOCOMMON 0 0 E157600100051 ENDSUBENT 50 0 E157600199999 SUBENT E1576002 20051219 E034E157600200001 BIB 4 7 E157600200002 REACTION (82-PB-208(5-B-8,INL)82-PB-208,,DE,,RAW) E157600200003 Not corrected for efficiency E157600200004 EN-SEC (E-EXC,5-B-8) Relative energy between 7Be and proton E157600200005 (= Excitation energy of 8B measured from E157600200006 7Be and proton threshold) E157600200007 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E157600200008 STATUS (CURVE) Data scanned from Fig.1, p2681 in reference E157600200009 ENDBIB 7 0 E157600200010 COMMON 1 3 E157600200011 EN E157600200012 MEV/A E157600200013 46.5 E157600200014 ENDCOMMON 3 0 E157600200015 DATA 3 6 E157600200016 E-EXC DATA DATA-ERR E157600200017 MEV MB/MEV MB/MEV E157600200018 5.818E-01 7.241E+01 9.774E+00 E157600200019 7.887E-01 3.523E+01 6.767E+00 E157600200020 9.901E-01 2.162E+01 5.263E+00 E157600200021 1.196E+00 5.992E+00 3.759E+00 E157600200022 1.392E+00 7.162E+00 3.258E+00 E157600200023 1.696E+00 3.275E+00 E157600200024 ENDDATA 8 0 E157600200025 ENDSUBENT 24 0 E157600299999 NOSUBENT E1576003 20051219 E034E157600300001 NOSUBENT E1576004 20051219 E034E157600400001 NOSUBENT E1576005 20051219 E034E157600500001 SUBENT E1576006 20051219 E034E157600600001 BIB 7 18 E157600600002 REL-REF (A,C0501002,F.J.Vaughn+,J,PR/C,2,(5),1657,197011) E157600600003 (A,C0502002,B.W.Filippone+,J,PR/C,28,(6),2222,198312) E157600600004 (N,F0425002,P.D.Parker,J,AJ,145,960,196609) E157600600005 No discussion on comparison in main reference E157600600006 (N,F0515002,R.W.Kavanagh+,J,BAP,14,1209,196910) E157600600007 No discussion on comparison in main reference E157600600008 REACTION (4-BE-7(P,G)5-B-8,,SIG,,SFC,DERIV) E157600600009 ANALYSIS Extracted from fits of the data of the Coulomb E157600600010 dissociation yield as a function of the 8B scattering E157600600011 angle in the 208Pb(8B, 7Be+p)208Pb reaction E157600600012 ERR-ANALYS (DATA-ERR) No information on source of uncertainties E157600600013 ADD-RES A very preliminary value of S17(E=0)=16.7+-3.2 eVb E157600600014 which was extrapolated by using the procedure used in E157600600015 [B.W. Filippone et al., Phys. Rev. Lett. 50(1983)412; E157600600016 Phys. Rev. C 28(1983)2222] E157600600017 COMMENT EN-CM-MIN: Lower limit of incident projectile energy E157600600018 EN-CM-MAX: Upper limit of incident projectile energy E157600600019 STATUS (CURVE) Data scanned from Fig.3, p2683 in reference E157600600020 ENDBIB 18 0 E157600600021 NOCOMMON 0 0 E157600600022 DATA 4 6 E157600600023 EN-CM-MIN EN-CM-MAX DATA-CM DATA-ERR E157600600024 MEV MEV B*EV B*EV E157600600025 5.054E-01 7.032E-01 1.660E+01 2.453E+00 E157600600026 7.006E-01 8.984E-01 1.377E+01 2.830E+00 E157600600027 9.011E-01 1.099E+00 1.547E+01 3.585E+00 E157600600028 1.108E+00 1.294E+00 8.113E+00 5.283E+00 E157600600029 1.305E+00 1.497E+00 1.660E+01 7.170E+00 E157600600030 1.505E+00 1.901E+00 1.830E+01 7.736E+00 E157600600031 ENDDATA 8 0 E157600600032 ENDSUBENT 31 0 E157600699999 ENDENTRY 6 0 E157699999999