/*===================================================================*/ /* NRDF D1815 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D1815; TITLE=/Experimental evidence for the existence of 7H and for a specific structure of 8He/; ATH=(A.A.KORSHENINNIKOV'1', E.YU.NIKOLSKII'1', E.A.KUZMIN'1', A.OZAWA'1', K.MORIMOTO'1', F.TOKANAI'1', R.KANUNGO'1', I.TANIHATA'1', N.K.TIMOFEYUK'2', M.S.GOLOVKOV'3', A.S.FOMICHEV'3', A.M.RODIN'3', M.L.CHELNOKOV'3', G.M.TER-AKOPIAN'3', W.MITTIG'4', P.ROUSSEL-CHOMAZ'4', H.SAVAJOLS'4', E.POLLACCO'5', A.A.OGLOBLIN'6', M.V.ZHUKOV'7'); INST-ATH=(2JPNIPC'1', 2UK SUR'2', 4ZZZDUB'3', 2FR GAN'4', 2FR SAC'5', 4RUSKUR'6', 2SWDCTH'7'); /* '5' DAPNIA-SPhN */ REF=PRL; VLP=90(2003)082501; RCTS=(P(8HE,2*P)7H, P(8HE,T)6HE); PHQS=(ENGY-SPEC, ANGL-DSTRN); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; /* 2003-09-04 : Compiled */ RTY=STRP; CHM=ELM; PHYS-FORM=GAS'8'; /* '8' Temperature of 35 K and pressure of 10 atm */ THK-TGT=XMG/CM**2'9'; /* '9' 6*10**21 protons/cm2 */ POL-TGT=0%; ALGN-TGT=0%; ACC=PRJFS'10'; /* '10' Secondary beam of 8He produced by the fragment separator RIPS from fragmentation of a primary beam of 18O. */ INST-ACC=2JPNIPC; INC-ENGY-LAB=61.3MEV/A; ERS-PRJ=2.6MEV/A; BEAM-INTNSTY=[300000PPS; POL-PRJ=0%; ANT-COINC=NO; DET-SYS=SI'11'; /* '11' Stack of Si strip detectors(RIKEN telescope), which allows one to detect serveral particles in coincidence, to identify each partilcle, and to measure its energy and angles RCT=P(8HE,2*P)7H; PHQ=ENGY-SPEC; DET-PARTCL=P; COINC=(P,P); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; INC-ENGY-LAB=61.3MEV/A; RSD=7H; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY'14' COUNTS'15' DELTA-COUNTS'15' (MEV) (ARB) (ARB) -21.00 -4.99 +-4.11 -18.00 -12.44 +-11.33 -15.00 -0.14 +-18.51 -12.00 -4.51 +-24.20 -9.00 -16.03 +-28.28 -6.00 2.22 +-30.71 -3.00 -11.77 +-33.93 0.00 73.98 +-35.72 3.00 82.49 +-35.05 6.00 42.78 +-33.54 9.00 48.12 +-30.48 12.00 73.53 +-25.27 15.00 64.08 +-19.81 18.00 31.29 +-12.06 21.00 3.79 +-4.25 \END; /*===================================================================*/ |