ENTRY 20988 20080410 21952098800000001 SUBENT 20988001 20080410 21952098800100001 BIB 14 32 2098800100002 REFERENCE (J,ZP,266,(5),357,197410) 2098800100003 TITLE Fast neutron double scattering on 4He 2098800100004 AUTHOR (W.Tornow) 2098800100005 INSTITUTE (2GERTUE) Physikalisches Institut 2098800100006 FACILITY (VDG,2GERTUE) 2 MV Van de Graaff accelerator 2098800100007 INC-SOURCE (D-T ) T(d,n)4He reaction 2098800100008 SAMPLE Two high-pressure gas scintillators filled with a 2098800100009 mixture of 135 atm of helium and 15 atm of xenon. 2098800100010 DETECTOR (SCIN) Two He-Xe gas scintillators as scatterers 2098800100011 and two plastic scintillators 2098800100012 PART-DET (A) Alpha recoils in the two gas scintillators 2098800100013 (N) Neutrons in the plastic scintillators 2098800100014 METHOD (TOF) Time of flight spectra of neutrons 2098800100015 scattered from second scatterer to plastic 2098800100016 scintillators 2098800100017 (COINC) Fast coincidence between first and second 2098800100018 scatterer 2098800100019 ERR-ANALYS (ERR-S) Systematic errors of equal order like the 2098800100020 statistical are excluded because of the 2098800100021 experimental set-up and the compensation 2098800100022 technique. 2098800100023 ADD-RES (COMP) Experimental result compared with 2098800100024 calculated values using a monte carlo 2098800100025 computer code 2098800100026 CORRECTION Dead time correction of about 2% have been applied. 2098800100027 HISTORY (19790723C) 2098800100028 (19790827E) 2098800100029 (20080321A) - 4 digits year, upper to lower cases 2098800100030 - ADD-RES added 2098800100031 - N-SOURCE changed to INC-SOURCE 2098800100032 - DATA-ERR changed to ERR-S 2098800100033 - STATUS in .001 deleted 2098800100034 ENDBIB 32 0 2098800100035 NOCOMMON 0 0 2098800100036 ENDSUBENT 35 0 2098800199999 SUBENT 20988002 20080410 21952098800200001 BIB 4 9 2098800200002 REACTION (2-HE-4(N,EL)2-HE-4,,POL/DA,,ASY) 2098800200003 METHOD (DSCAT ) Double scattering experiment with first 2098800200004 scattering angle = 75.00 +- 0.01 degrees 2098800200005 and second scattering angle either 2098800200006 = +76.00 +- 0.03 or = -76.00 +-0.03 deg 2098800200007 STATUS (TABLE) Data taken from text in reference 2098800200008 HISTORY (19790723C) 2098800200009 (19790827E) 2098800200010 (20080321A) METHOD, ANG and ANG-RSL added 2098800200011 ENDBIB 9 0 2098800200012 NOCOMMON 0 0 2098800200013 DATA 6 1 2098800200014 EN EN-RSL ANG ANG-RSL DATA ERR-S 2098800200015 MEV MEV ADEG ADEG NO-DIM NO-DIM 2098800200016 15. 1. 76.00 0.03 4.3900E-01 1.4000E-022098800200017 ENDDATA 3 0 2098800200018 ENDSUBENT 17 0 2098800299999 ENDENTRY 2 0 2098899999999