/* 2007-12-28 File is generated by HENDEL. */ \\BIB,1[3; D#=D2048; TITLE=/ The first 2+ state of 14 Be /; ATH=(T.SUGIMOTO'1', T.NAKAMURA'1', Y.KONDO'1', N.AOI'2', H.BABA'2', D.BAZIN'3', N.FUKUDA'2', T.GOMI'2', H.HASEGAWA'4', N.IMAI'5', M.ISHIHARA'2', T.KOBAYASHI'6', T.KUBO'2', M.MIURA'1', T.MOTOBAYASHI'2', H.OTSU'2', A.SAITO'7', H.SAKURAI'2', S.SHIMOURA'7', A.M.VINODKUMAR'1', K.WATANABE'6', Y.X.WATANABE'5', T.YAKUSHIJI'6', Y.YANAGISAWA'2', K.YONEDA'2'); INST-ATH=(2JPNTIT'1', 2JPNIPC'2', 1USAMSU'3', 2JPNRIK'4', 2JPNKEK'5', 2JPNTOH'6', 2JPNTOK'7'); /* '1' Department of Physics */ /* '2' RIKEN Nishina Center for Accelerator-Based Science */ /* '3' National Superconducting Cyclotron Laboratory (NSCL) */ /* '4' Department of Physics */ /* '6' Department of Physics */ /* '7' Center for Nuclear Study (CNS) */ REF=PL/B; VLP=654(2007)160; RCTS=12C(14BE,14BE)12C; PHQS=ANGL-DSTRN; \\EXP,1[3; /* 2007-10-29 : Compiled, N.Otuka + Yt */ /* 2007-10-29 : Recieved, N.Otuka. Received by e-mail from T.Nakamura */ RTY=INEL-SCATT; PHQ=ANGL-DSTRN; CHM=ELM; PHYS-FORM=SLD; THK-TGT=377MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC'8',PRJFS'9'); /* '8' To accelerate primary 18O ions to 100 MeV/nucleon */ /* '9' To separate 14Be secondary beam from Be production target */ INST-ACC=(2JPNIPC'8',2JPNIPC'9'); INC-ENGY-LAB-RANGE=68.1MEV/A; BEAM-INTNSTY=5e3PPS; POL-PRJ=0%; DET-PARTCL=(N,12BE,GAMMA); COINC=NO; ANT-COINC=NO; DET-SYS=(MAG'10',DRFTC'10',SCT'11',NAI'12',TOF'13',TOF'14'); /* '10' To detect 12Be fragment */ /* '11' To detect neutron */ /* '12' To detect de-excitation gamma rays from 14Be projectile and 12Be fragment (DALI) */ /* '13' To identify 12Be */ /* '14' To obtain momenta of neutrons */ /* Eexc(14Be) = 1.54+-0.13 MeV is deduced from peak of relative energy spectrum E(rel) = 0.28+-0.01 MeV (obtained in this work) and 2 neutron separation energy S(2n) = 1.26+-0.13 MeV. Error in excitation energy (+-0.13 MeV) is dominated by uncertainty of S(2n) will be reduced significantly as soon as a precise atomic mass of 14Be is available. */ \\DATA,1[3; INC-ENGY-LAB=68.1MEV/A; \\EXP,1; RCT=12C(14BE,14BE)12C; \\DATA,1; DELTA-EXC-ENGY=0.13MEV'15'; /* '15' Uncertainty in two neutrons separation energy S(2n) */ \DATA; EXC-ENGY'16' DATA1'17' DSIGMA/DE DELTA-DSIGMA/DE'18' (MEV) (MEV) (MB/MEV) (MB/MEV) 1.285 0.025 1.091460 +-0.630205 1.335 0.075 5.808080 +-2.329300 1.385 0.125 12.307100 +-5.096850 1.435 0.175 47.476900 +-7.010280 1.485 0.225 96.664600 +-8.648510 1.535 0.275 119.252000 +-8.657910 1.585 0.325 99.166200 +-9.059510 1.635 0.375 61.764300 +-7.549100 1.685 0.425 52.138100 +-5.853290 1.735 0.475 39.777800 +-5.965070 1.785 0.525 37.653100 +-4.836080 1.835 0.575 29.128500 +-4.365990 1.885 0.625 21.103300 +-4.154570 1.935 0.675 25.237400 +-5.479700 1.985 0.725 20.662500 +-4.184630 2.035 0.775 15.946100 +-4.203310 2.085 0.825 5.046940 +-7.514060 2.135 0.875 23.305400 +-6.058540 2.185 0.925 20.509700 +-4.912670 2.235 0.975 8.038730 +-7.755600 2.285 1.025 22.407500 +-6.519310 2.335 1.075 16.908100 +-5.614670 2.385 1.125 17.549100 +-4.848440 2.435 1.175 13.901500 +-4.821230 2.485 1.225 13.828000 +-4.700390 2.535 1.275 19.310600 +-5.772490 2.585 1.325 14.792100 +-5.094130 2.635 1.375 15.503500 +-5.269050 2.685 1.425 5.693710 +-5.927880 2.735 1.475 18.982100 +-4.586150 2.785 1.525 19.866400 +-4.230530 2.835 1.575 11.228800 +-4.621780 2.885 1.625 17.175700 +-7.682490 2.935 1.675 20.951000 +-4.914570 2.985 1.725 24.023300 +-9.110130 3.035 1.775 15.085500 +-8.872990 3.085 1.825 17.113600 +-5.960070 3.135 1.875 9.909420 +-6.764770 3.185 1.925 20.554700 +-6.169230 3.235 1.975 22.082200 +-6.351360 3.285 2.025 15.360300 +-6.752210 3.335 2.075 29.209300 +-7.092770 3.385 2.125 14.352200 +-6.784270 3.435 2.175 -1.387580 +-9.886540 3.485 2.225 20.194600 +-4.146550 3.535 2.275 18.425400 +-12.197200 3.585 2.325 14.610000 +-9.847250 3.635 2.375 23.498600 +-6.592670 3.685 2.425 30.204600 +-7.974350 3.735 2.475 22.176800 +-5.302870 3.785 2.525 23.109200 +-8.887120 3.835 2.575 1.055140 +-11.243200 3.885 2.625 17.222700 +-6.769530 3.935 2.675 20.600400 +-5.158300 3.985 2.725 16.475900 +-9.039740 4.035 2.775 28.581400 +-9.057170 4.085 2.825 14.260900 +-13.188500 4.135 2.875 15.166700 +-8.957320 4.185 2.925 9.552450 +-5.774470 4.235 2.975 19.233500 +-5.554570 \END; /* Data (Fig.1(a), p162 of reference) received by e-mail from T.Nakamura (2007.10.29) */ /* '16' Converted from relative energy by S(2n) of 14Be (1.26+-0.13 MeV) */ /* '17' Relative energy of 12Be+n+n (More precise than excitation energy values) */ /* '18' Statistical error */ \\EXP,2; RCT=12C(14BE,14BE)12C; ANL=DWBA'19'; /* '19' Code ECIS */ \\DATA,2; EXC-ENGY=1.54MEV; DELTA-EXC-ENGY=0.13MEV'20'; /* '20' Uncertainty in two neutrons separation energy S(2n) */ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'21' (DEG) (MB/SR) (MB/SR) 1.250 861. +-215. 1.750 1198. +-158. 2.250 1130. +-144. 2.750 722. +-102. 3.250 597. +-82.6 3.750 335. +-73.3 4.250 370. +-56.3 4.750 245. +-42.9 5.250 232. +-48.8 5.750 186. +-31.3 6.250 163. +-34.5 6.750 111. +-32.4 7.250 131. +-26.8 7.750 77.8 +-20.6 8.250 55.7 +-27.2 8.750 35.2 +-19.1 9.250 14.7 +-15.7 9.750 46.9 +-20.6 \END; /* Data (Fig.1(b), p162 of reference) received by e-mail from T.Nakamura (2007.10.29) */ /* '21' Statistical error : Uncertainty in fitting procedure */ \\EXP,3; RCT=12C(14BE,14BE)12C; \\DATA,3; EXC-ENGY=1.54MEV; DELTA-EXC-ENGY=0.13MEV'22'; /* '22' Uncertainty in two neutrons separation energy S(2n) */ \DATA; INC-ENGY-LAB SIGMA DELTA-SIGMA'23' DELTA-SIGMA'24' (MEV/A) (MB) (MB) (MB) 68.1 22.6 +-1.1 +-3.1 \END; /* Taken from text, p161 in reference */ /* '23' Statistical error */ /* '24' Total systematic error */ \\END;