ENTRY 30212 20131018 31613021200000001 SUBENT 30212001 20131018 31613021200100001 BIB 15 39 3021200100002 INSTITUTE (2GERDRE) 3021200100003 REFERENCE (J,NP,84,201,196608) Full report, En= 2.6-2.8 MeV 3021200100004 (In German) 3021200100005 (J,KE,10,186,196706) Experimental details,En=2.1-2.9MeV3021200100006 (R,ZFK-122,156,196607) 3021200100007 AUTHOR (G.Schirmer,H.Pose,H.Haengsgen) 3021200100008 TITLE Measurement on beryllium with polarized neutrons 3021200100009 of the energy 2.60 - 2.77 MeV. 3021200100010 FACILITY 130 keV deuteron beam 3021200100011 INC-SOURCE (D-D) D(d,n)He-3 reaction,rotating heavy ice target 3021200100012 METHOD In short time intervals spectra on the right side 3021200100013 and on the left side measured with and without 3021200100014 scatterer. 3021200100015 Scattering angle 50.0 +- 0.2 deg lab system 3021200100016 measured asymmetry p1*p2 = (l-r)/(l+r) 3021200100017 p1 polarization of neutrons 3021200100018 p2 polarization power of scatterer 3021200100019 l left intensity of scattered neutrons 3021200100020 r right intensity of scattered neutrons 3021200100021 DETECTOR (SCIN) Cylindrical stilbene scintillation counter 3021200100022 ANALYSIS The neutron intensities l,r in the above formula have 3021200100023 been replaced by the energy derivatives of the 3021200100024 respective recoil proton intensities. The recoil proton3021200100025 spectra have been smoothed and differentiated 3021200100026 numerically. 3021200100027 PART-DET (N) Neutrons via recoil protons 3021200100028 COMMENT Pulse shape discrimination against gamma background 3021200100029 STATUS (TABLE) Data from priv com Pose 1967, same as graphs 3021200100030 in NP 84,201,1966 3021200100031 HISTORY (19721123T) Conversion of Dastar 265. 3021200100032 (19730615U) 3021200100033 (19760625U) Labcode corrected. OS 3021200100034 (19770125A) Subentry 5 added. OS 3021200100035 (20080211A) BIB section updated 3021200100036 (20130924A) VS. DATA-ERR values in subents 002-004 3021200100037 corrected. 3021200100038 CORRECTION No corrections for geometry and multiple scattering 3021200100039 ERR-ANALYS (DATA-ERR) Errors do not contain uncertainties due to 3021200100040 the final energy resolution 3021200100041 ENDBIB 39 0 3021200100042 COMMON 2 3 3021200100043 ANG ANG-ERR 3021200100044 ADEG ADEG 3021200100045 5.0000E+01 2.0000E-01 3021200100046 ENDCOMMON 3 0 3021200100047 ENDSUBENT 46 0 3021200199999 SUBENT 30212002 20131018 31613021200200001 BIB 3 4 3021200200002 REACTION (4-BE-9(N,EL)4-BE-9,,POL/DA,,ASY) 3021200200003 SAMPLE Beryllium scatterer 2.02 g/cm3, 30 mm high, 22 mm diam.3021200200004 HISTORY (20080430S) Dataset was restored. 3021200200005 (20130924A) VS. DATA-ERR values corrected. 3021200200006 ENDBIB 4 0 3021200200007 NOCOMMON 0 0 3021200200008 DATA 3 19 3021200200009 EN DATA DATA-ERR 3021200200010 MEV NO-DIM NO-DIM 3021200200011 2.60 -0.029 0.018 3021200200012 2.61 -0.027 0.018 3021200200013 2.62 -0.022 0.017 3021200200014 2.63 -0.014 0.016 3021200200015 2.64 -0.004 0.015 3021200200016 2.65 0.004 0.014 3021200200017 2.66 0.015 0.013 3021200200018 2.67 0.027 0.012 3021200200019 2.68 0.037 0.011 3021200200020 2.69 0.044 0.010 3021200200021 2.70 0.046 0.010 3021200200022 2.71 0.047 0.010 3021200200023 2.72 0.041 0.011 3021200200024 2.73 0.027 0.012 3021200200025 2.74 0.010 0.013 3021200200026 2.75 -0.009 0.015 3021200200027 2.76 -0.026 0.016 3021200200028 2.77 -0.037 0.018 3021200200029 2.78 -0.049 0.020 3021200200030 ENDDATA 21 0 3021200200031 ENDSUBENT 30 0 3021200299999 SUBENT 30212003 20131018 31613021200300001 BIB 3 4 3021200300002 REACTION (6-C-12(N,EL)6-C-12,,POL/DA,,ASY) 3021200300003 SAMPLE Carbon scatterer 1.71 g/cm3, 50 mm high, 25 mm diam. 3021200300004 HISTORY (20080430S) Dataset was restored. 3021200300005 (20130924A) VS. DATA-ERR values corrected. 3021200300006 ENDBIB 4 0 3021200300007 NOCOMMON 0 0 3021200300008 DATA 3 19 3021200300009 EN DATA DATA-ERR 3021200300010 MEV NO-DIM NO-DIM 3021200300011 2.60 0.031 0.036 3021200300012 2.61 0.037 0.035 3021200300013 2.62 0.046 0.033 3021200300014 2.63 0.057 0.030 3021200300015 2.64 0.075 0.028 3021200300016 2.65 0.088 0.026 3021200300017 2.66 0.103 0.024 3021200300018 2.67 0.112 0.022 3021200300019 2.68 0.117 0.021 3021200300020 2.69 0.119 0.020 3021200300021 2.70 0.119 0.020 3021200300022 2.71 0.115 0.020 3021200300023 2.72 0.109 0.021 3021200300024 2.73 0.097 0.022 3021200300025 2.74 0.086 0.023 3021200300026 2.75 0.073 0.025 3021200300027 2.76 0.064 0.027 3021200300028 2.77 0.054 0.029 3021200300029 2.78 0.046 0.031 3021200300030 ENDDATA 21 0 3021200300031 ENDSUBENT 30 0 3021200399999 SUBENT 30212004 20131018 31613021200400001 BIB 4 8 3021200400002 REACTION (4-BE-9(N,EL)4-BE-9,,POL/DA) 3021200400003 SAMPLE Beryllium scatterer 2.02 g/cm3, 30 mm high, 22 mm diam.3021200400004 MONITOR (6-C-12(N,EL)6-C-12,,POL/DA) 3021200400005 according to the formula 3021200400006 pol(Be) = asym(Be)/asym(C) * pol(C) 3021200400007 pol ...Polarization, asym ...Asymmetry 3021200400008 HISTORY (20080430S) Dataset was restored. 3021200400009 (20130924A) VS. DATA-ERR values corrected. 3021200400010 ENDBIB 8 0 3021200400011 NOCOMMON 0 0 3021200400012 DATA 3 19 3021200400013 EN DATA DATA-ERR 3021200400014 MEV NO-DIM NO-DIM 3021200400015 2.60 0.717 1.18 3021200400016 2.61 0.616 0.80 3021200400017 2.62 0.395 0.467 3021200400018 2.63 0.201 0.32 3021200400019 2.64 0.043 0.195 3021200400020 2.65 -0.037 0.142 3021200400021 2.66 -0.122 0.121 3021200400022 2.67 -0.197 0.101 3021200400023 2.68 -0.258 0.095 3021200400024 2.69 -0.303 0.093 3021200400025 2.70 -0.315 0.091 3021200400026 2.71 -0.338 0.097 3021200400027 2.72 -0.313 0.105 3021200400028 2.73 -0.268 0.135 3021200400029 2.74 -0.151 0.188 3021200400030 2.75 0.0 0.234 3021200400031 2.76 0.149 0.278 3021200400032 2.77 0.340 0.32 3021200400033 2.78 0.519 0.35 3021200400034 ENDDATA 21 0 3021200400035 ENDSUBENT 34 0 3021200499999 SUBENT 30212005 20081203 31323021200500001 BIB 3 5 3021200500002 REACTION (4-BE-9(N,0),,J) 3021200500003 ANALYSIS Decision between the two possible spin/parity values 3021200500004 3- and 4- was made by comparison of theoretically 3021200500005 calculated polarization curves with experiments. 3021200500006 HISTORY (20080430S) Dataset was restored. 3021200500007 ENDBIB 5 0 3021200500008 NOCOMMON 0 0 3021200500009 DATA 3 1 3021200500010 EN-RES DATA PARITY 3021200500011 MEV NO-DIM NO-DIM 3021200500012 2.73 4. -1. 3021200500013 ENDDATA 3 0 3021200500014 ENDSUBENT 13 0 3021200599999 ENDENTRY 5 0 3021299999999