/*===================================================================*/ /* NRDF D1915 Data No.12 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,12; D#=D1915; TITLE=/ Coulomb and nuclear breakup of a halo nucleus 11Be /; ATH=(N.FUKUDA'1', T.NAKAMURA'2', N.AOI'1', N.IMAI'1', M.ISHIHARA'1', T.KOBAYASHI'3', H.IWASAKI'4', T.KUBO'1', A.MENGONI'1,5', M.NOTANI'6', H.OTSU'3', H.SAKURAI'4', S.SHIMOURA'6', T.TERANISHI'6', Y.X.WATANABE'1', K.YONEDA'1'); INST-ATH=(2JPNIPC'1', 2JPNTIT'2', 2JPNTOH'3', 2JPNTOK'4', 2ITYBOL'5', 2JPNTOK'6'); /* '2' Department of Physics */ /* '3' Department of Physics */ /* '4' Department of Physics */ /* '5' Applied Physics Division */ /* '6' Center for Nuclear Study (CNS) */ REF=PR/C; VLP=70(2004)054606; /* Secondary references - EPJ/A, 25(2005)325 (T.Nakamura et al., Proc. of the 4th International Conference on Exotic Nuclei and Atomic Masses (ENAM'04)) - NP/A, 722(2003)301C (T.Nakamura et al., Proc. of the International Symposium on Physics of Unstable Nuclei (ISPUN 02)) RCTS=(PB(11BE,11BE)PB, C(11BE,11BE)C); PHQS=(ENGY-SPEC'8', ANGL-DSTRN, DBL-DIFF-XSECTN, XSECTN); /* '8' Relative energy spectrum */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,12; /* 2005-04-21 : Compiled+Checked, Sr + On */ /* 2006-10-04 : Altered, On. Reference (ENAM'04) added */ /* 2009-04-09 : Altered, On. REFERENCE: ISPUN02 Conf. Proc. added /* 2010-08-20 : Altered, TM. 002 corrected */ /* 2023-04-06 : Altered, MA. REFERENCE, FACILITY and INC-SOURCE in 001 were modified. (EPJ/AS -> EPJ/S, PRJFS in FACILITY -> FRAGM in INC-SOURCE) */ RTY=INEL-SCATT; ENR=NAT; CHM=ELM; PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNIPC'9'; /* '9' RIKEN Accelerator Research Facility */ POL-PRJ=0%; ION-SOURCE=/ Fragmentation (Secondary radioactive 11Be beam is produced by fragmentation of 18O primary beam (100 MeV/A) in Be target.) /; DET-PARTCL=(10BE,N); COINC=(N,10BE); ANT-COINC=NO; DET-SYS=(MAG'10',MWDC'10',SCT'10',SCT'11',EDE,TOF'12'); /* '10' To detect 10Be */ /* '11' Two layers of neutron hodoscope array which consists of 30 plastic scintillator rods and thin layer of plastic scintillator to reject charged particle background. */ /* '12' To deduce momentum vector of 10Be and neutron */ /* Analysis: - Invariant mass method to extract relative energy between 10Be and neutron /* In some data tables, excitation energy of 11Be is measured from 10Be-n threshold. Authors mention that the one-neutron separation energy is precisely known to be 504+-4 keV. */ RCT=PB(11BE,11BE)PB; PHQ=XSECTN; THK-TGT=224MG/CM**2; INC-ENGY-LAB-RANGE=68.7MEV/A; ERS-DET=XMEV'47'; /* '47' Relatvie energy resolution (FWHM) was estimated to be 0.44 times square root of relative energy [MeV] */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,12; INC-ENGY-LAB=68.7MEV/A; INTRM=11BE; THTC-INTRM=0[6DEG; EXC-ENGY-INTRM=0[5MEV'48'; /* '48' Relative energy between 10Be and neutron (= Excitation energy of 11Be measured from 10Be-n threshold) */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; SIGMA DELTA-SIGMA'49' (MB) (MB) (MB) 1790 +-20 110 \END; /*===================================================================*/ |