/*===================================================================*/ /* NRDF D1978 Data No.17 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,17; D#=D1978; TITLE=/ Secondary neutron-production cross sections from heavy-ion interactions in composite targets /; PURPOSE=/ To present neutron-production cross sections from two specialized NASA targets /; ATH=(L.HEILBRONN'1', Y.IWATA'2', H.IWASE'3', T.MURAKAMI'2', H.SATO'3', T.NAKAMURA'3', R.M.RONNINGEN'4', K.IEKI'5', I.GUDOWSKA'6', N.SOBOLEVSKY'7'); INST-ATH=(1USABRK'1', 2JPNIRS'2', 2JPNTOH'3', 1USAMSU'4', 2JPNRIK'5', 2SWDUST'6', 4RUSJIA'7'); /* '2' Department of Accelerator Physics and Engineering */ /* '3' Cyclotron and Radioisotope Center */ /* '4' National Superconducting Cyclotron Laboratory */ /* '5' Department of Physics */ /* '6' Department of Medical Radiation Physics */ /* '7' Department of Neutron Research */ REF=PR/C; VLP=73(2006)024603; RCTS=(MXTR(12C,N)X, MXTR(20NE,N)X); PHQS=(DBL-DIFF-XSECTN, ANGL-DSTRN, XSECTN); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,17; /* 2006-03-10 : Recieved, N.Otuka. Received by e-mail from L.Heilbronn */ /* 2006-03-13 : Compiled, C.Kurokawa + N.Otuka */ PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; ACC=SYN; INST-ACC=2JPNIRS'8'; /* '8' HIMAC facility */ POL-PRJ=0%; DET-PARTCL=N; COINC=NO; ANT-COINC=NO; DET-SYS=(SCT'9',SCT'10',TOF'11'); /* '9' Liquid scintillators (NE213) for neutron detection */ /* '10' Solid plastic scintillators (NE102A) as TOF counter and as veto detector (to exclude charged-particle) */ /* '11' Flight path of 306 to 506 cm */ ANL=(MONTE-MTHD'12',MONTE-MTHD'13'); /* '12' Code SHIELD-HIT */ /* '13' Code PHITS */ /* Corrections for neutron flux attenuation in target and other intervening materials and for neutron production in nontarget materials near target position */ /* Coded incident energy gives median projectile energy in target. Coded energy resolution gives the difference of initial projectile energy and median projectile energy. */ RCT=MXTR(20NE,N)X; PHQ=DBL-DIFF-XSECTN; CHM=X'69'; /* '69' 85% simulated Martian regolith (1.67e+22, 1.62e+21, 5.83e+21, 7.81e+20 and 1.80e+21 atoms/g for O, Mg, Si, Ca and Fe) + 15% polyethylene */ THK-TGT=5000MG/CM**2; INC-ENGY-LAB-RANGE=570MEV/A; ERS-PRJ=30MEV/A; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,17; INC-ENGY-LAB=570MEV/A; THTL=20DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT DSIGMA/DOMEGA/DE'70' DELTA-DSIGMA/DOMEGA/DE'70,71' (MEV) (B/SR/MEV) (B/SR/MEV) 1130 2.71E-04 +-3.01E-05 684 2.36E-03 +-1.38E-04 491 5.18E-03 +-3.05E-04 379 6.31E-03 +-4.56E-04 306 6.11E-03 +-6.22E-04 254 5.78E-03 +-7.83E-04 202 4.52E-03 +-7.54E-04 146 4.36E-03 +-8.67E-04 105 5.64E-03 +-9.95E-04 68.7 5.31E-03 +-9.47E-04 41.7 5.64E-03 +-8.10E-04 16.7 6.88E-03 +-1.60E-03 \END; /*===================================================================*/ |