ENTRY 14233 20160608 14181423300000001 SUBENT 14233001 20160608 14181423300100001 BIB 10 31 1423300100002 TITLE Beryllium and Graphite High-Accuracy Total 1423300100003 Cross-Section Measurements in the Energy Range from 1423300100004 24 to 900 keV 1423300100005 AUTHOR (Y.Danon,R.C.Block,M.J.Rapp,F.J.Saglime,G.Leinweber, 1423300100006 D.P.Barry,N.J.Drindak,J.G.Hoole) 1423300100007 INSTITUTE (1USARPI,1USAKAP) 1423300100008 REFERENCE (J,NSE,161,321,2009) 1423300100009 FACILITY (LINAC,1USARPI)The experiments were performed at the 1423300100010 Gaerttner Laboratory at RPI using electron linear 1423300100011 accelerator.Neutrons are produced by electrons 1423300100012 hitting the RPI bare bounce target. 1423300100013 DETECTOR (GLASD)The detector was a 1.27 cm thick and 12.7 cm 1423300100014 diameter GS-20 Li-glass detector with a single 1423300100015 Photonis XP4572B photomultiplier. 1423300100016 METHOD (TRN,TOF)Transmission method was used, neutron 1423300100017 energy was determined by time of flight technique 1423300100018 INC-SOURCE (PHOTO)The RPI LINAC pulsed electron beam with 1423300100019 energy of 55 MeV, a 6 ns pulse width, and an average 1423300100020 current of 4 mu-A impinged on a water cooled, 1423300100021 neutron producing Ta target 1423300100022 ERR-ANALYS (ERR-T) Total uncertainty at 1 sigma level 1423300100023 consisting of: 1423300100024 - statistical error of transmission, including errors 1423300100025 from background corrected counts for sample and 1423300100026 open beam, 1423300100027 - internal error (stat. error of average), 1423300100028 - external error (due to samples of different 1423300100029 thicknesses) 1423300100030 HISTORY (20090527C) Compiled by S.H. 1423300100031 (20140417A) SD: REACTION code corrected in Subent 3. 1423300100032 (20160608A) OS. REACTION code corrected in Subent 2. 1423300100033 ENDBIB 31 0 1423300100034 NOCOMMON 0 0 1423300100035 ENDSUBENT 34 0 1423300199999 SUBENT 14233002 20160608 14181423300200001 BIB 4 15 1423300200002 REACTION (6-C-0(N,TOT),,SIG,,AV) 1423300200003 SAMPLE Graphite sample with diameter of 7.493cm, thickness 1423300200004 of 7 cm and number density of 0.5924 atom/b. 1423300200005 with impurities 1423300200006 Impurity Weight fraction (ppm) 1423300200007 Ash 1180 1423300200008 Al 14 1423300200009 Ca 166 1423300200010 V 55 1423300200011 Ti 3 1423300200012 Cr 2 1423300200013 Fe 30 1423300200014 Ni 14 1423300200015 STATUS (TABLE) Data taken from tab. 4 of the reference 1423300200016 HISTORY (20160608A) SF1 changed to 6-C-0. 1423300200017 ENDBIB 15 0 1423300200018 NOCOMMON 0 0 1423300200019 DATA 4 20 1423300200020 EN-MIN EN-MAX DATA ERR-T 1423300200021 KEV KEV B B 1423300200022 22.267 25.406 4.67 0.02 1423300200023 80.756 82.717 4.42 0.04 1423300200024 125.275 129.583 4.36 0.04 1423300200025 134.385 138.825 4.32 0.02 1423300200026 165.076 169.050 4.24 0.02 1423300200027 179.480 185.818 4.17 0.02 1423300200028 216.337 220.621 4.06 0.02 1423300200029 240.687 245.554 4.03 0.03 1423300200030 266.762 275.943 3.94 0.01 1423300200031 296.440 315.197 3.83 0.01 1423300200032 341.393 359.933 3.76 0.01 1423300200033 370.079 379.076 3.68 0.02 1423300200034 431.300 439.464 3.61 0.05 1423300200035 461.555 471.035 3.47 0.03 1423300200036 492.292 501.776 3.41 0.06 1423300200037 550.246 561.462 3.26 0.06 1423300200038 604.818 614.481 3.21 0.04 1423300200039 685.251 711.306 2.99 0.02 1423300200040 844.393 859.289 2.85 0.05 1423300200041 933.892 961.354 2.64 0.03 1423300200042 ENDDATA 22 0 1423300200043 ENDSUBENT 42 0 1423300299999 SUBENT 14233003 20140417 14011423300300001 BIB 4 28 1423300300002 REACTION (4-BE-9(N,TOT),,SIG,,AV) 1423300300003 SAMPLE Three samples were used: 1423300300004 Thickness 2 cm, Number density 0.24684 atom/b 1423300300005 Thickness 3 cm, Number density 0.3670 atom/b 1423300300006 Thickness 5 cm, Number density 0.6168 atom/b 1423300300007 Data given is average over the three samples. 1423300300008 Impurity Weight fraction (ppm) 1423300300009 Ag <3 1423300300010 Al <300 1423300300011 Ca <20 1423300300012 Co <3 1423300300013 Cr <20 1423300300014 Cu <70 1423300300015 Fe <700 1423300300016 Mg <5 1423300300017 Mn <20 1423300300018 Mo <20 1423300300019 Ni <100 1423300300020 Pb <20 1423300300021 Sc <5 1423300300022 Si <200 1423300300023 Ti <80 1423300300024 U <30 1423300300025 W <50 1423300300026 Zn <10 1423300300027 Zr <10 1423300300028 STATUS (TABLE) Data taken from tab. 5 of the reference 1423300300029 HISTORY (20140417A) SD: SF1=Be-10 -> Be-9 in REACTION code. 1423300300030 ENDBIB 28 0 1423300300031 NOCOMMON 0 0 1423300300032 DATA 4 20 1423300300033 EN-MIN EN-MAX DATA ERR-T 1423300300034 KEV KEV B B 1423300300035 22.267 25.406 5.93 0.02 1423300300036 80.756 82.717 5.45 0.03 1423300300037 125.275 129.583 5.08 0.03 1423300300038 134.385 138.825 5.04 0.02 1423300300039 165.076 169.050 4.84 0.03 1423300300040 179.480 185.818 4.73 0.01 1423300300041 216.337 220.621 4.52 0.01 1423300300042 240.687 245.554 4.36 0.03 1423300300043 266.762 275.943 4.25 0.01 1423300300044 296.440 315.197 4.09 0.01 1423300300045 341.393 359.933 3.91 0.01 1423300300046 370.079 379.076 3.80 0.01 1423300300047 431.300 439.464 3.66 0.03 1423300300048 461.555 471.035 3.55 0.02 1423300300049 492.292 501.776 3.46 0.04 1423300300050 550.246 561.462 3.51 0.04 1423300300051 604.818 614.481 5.96 0.07 1423300300052 685.251 711.306 3.48 0.02 1423300300053 844.393 859.289 3.45 0.06 1423300300054 933.892 961.354 3.39 0.02 1423300300055 ENDDATA 22 0 1423300300056 ENDSUBENT 55 0 1423300399999 ENDENTRY 3 0 1423399999999