ENTRY 22779 20090907 22182277900000001 SUBENT 22779001 20090907 22182277900100001 BIB 9 41 2277900100002 TITLE .Measured Total Cross Sections of Slow Neutrons 2277900100003 Scattered by Solid Deuterium and Implications for 2277900100004 Ultracold Neutron Sources 2277900100005 AUTHOR (F.Atchison, B.Blau, B.van den Brandt, T.Brys, 2277900100006 M.Daum, P.Fierlinger, P.Hautle, R.Henneck, S.Heule, 2277900100007 K.Kirch, J.Kohlbrecher, G.Kuehne, J.A.Konter, 2277900100008 A.Pichlmaier, A.Wokaun, K.Bodek, M.Kasprzak, 2277900100009 M.Kuzniak, P.Geltenbort, J.Zmeskal) 2277900100010 INSTITUTE (2SWTPSI) Paul Scherrer Institut, Switzerland. K.Kirch,2277900100011 Corresponding author. Email: klaus.kirch@psi.ch; 2277900100012 Atchison, Blau, van den Brandt, Brys', Daum, 2277900100013 Fierlinger, Hautle, Henneck, Heule, Kohlbrecher, 2277900100014 Kuuhne, J.A.Konter, A.Pichlmaier, A.Wokaun. 2277900100015 (3POLUJK) Institute of Physics, Jagiellonian 2277900100016 University, Krakow, Poland. K. Bodek, M. Kasprzak, 2277900100017 M.Kuzniak. 2277900100018 (2FR ILL) Institut Laue-Langevin (ILL), Grenoble, 2277900100019 France. P.Geltenbort 2277900100020 (2AUSAUS) Stefan Meyer Institut fuer Subatomare 2277900100021 Physik, Austrian Acad. of Sciences, Vienna, Austria. 2277900100022 J.Zmeskal 2277900100023 REFERENCE (J,PRL,95,182502,20051028) Main reference 2277900100024 #doi:10.1103/PhysRevLett.95.182502 2277900100025 REL-REF (I,,J.Kahlbrecher+,J,JAC,33,804,2000) Neutrons SINQ 2277900100026 facility at the SANS-I instrument of the at Paul 2277900100027 Scherrer Institute 2277900100028 (I,,M.Kasprzak,T,Kasprzak,2004) M. Kasprzak, Diploma 2277900100029 thesis, Jagiellonian University, Krakow, 2004; 2277900100030 nucl-ex/0407022. Details about the experimental 2277900100031 setup and data treatment procedures 2277900100032 (I,,A.Steyerl+,J,PL/A,116,347,1986) PF-2 instrument 2277900100033 of the ILL, Grenoble 2277900100034 FACILITY (SELVE,2SWTPSI) Cold neutrons SINQ facility at the 2277900100035 SANS-I instrument 2277900100036 (REAC,2FR ILL) Very cold neutrons (VCN) and UCN at 2277900100037 the PF-2 instrument of the ILL. 2277900100038 METHOD (TOF) Time-of-flight. The total cross sections have 2277900100039 been measured using the transmission technique 2277900100040 INC-SPECT .Neutron energy EN was converted to in-medium energy 2277900100041 En' = EN - U, U is Fermi potential 2277900100042 HISTORY (20090907C) S.M. 2277900100043 ENDBIB 41 0 2277900100044 NOCOMMON 0 0 2277900100045 ENDSUBENT 44 0 2277900199999 SUBENT 22779002 20090907 22182277900200001 BIB 4 9 2277900200002 REACTION (1-H-DXX(N,THS)1-H-DXX,BA,SIG) 2277900200003 REL-REF (A,,W.D.Seifert,R,EUR-4455,1970) 2277900200004 SAMPLE .Solid D2 sample frozen from the liquid state, density 2277900200005 (20.38+-0.02) cm3/mol at 18 K and (19.93+-0.01)cm3/mol2277900200006 at 5 K, purity no less than 99,95%, maximum atomic H 2277900200007 contamination is 0.0005, ortho concentration is 2277900200008 98.6+-0.4%. 2277900200009 STATUS (UNOBT) Data represented on Fig.1 of PRL,95,182502. 2277900200010 Request for data sent to K.Kirch, 2009-09-05 2277900200011 ENDBIB 9 0 2277900200012 COMMON 3 3 2277900200013 EN-MIN EN-MAX TEMP 2277900200014 EV EV K 2277900200015 1. E-07 2. E-03 18. 2277900200016 ENDCOMMON 3 0 2277900200017 NODATA 0 0 2277900200018 ENDSUBENT 17 0 2277900299999 SUBENT 22779003 20090907 22182277900300001 BIB 5 15 2277900300002 REACTION 1(1-H-2(N,THS)1-H-2,,SIG,,,DERIV) 2277900300003 2(1-H-2(N,THS)1-H-2,,SIG,,,DERIV) 2277900300004 3(1-H-2(N,THS)1-H-2,,SIG,,,DERIV) 2277900300005 ANALYSIS 1.D2 sample at 5 degree K before cycling 2277900300006 2.D2 sample after 5 to 10 degree K after cycling 2277900300007 3.D2 sample after 5 to 18 degree K after cycling 2277900300008 ERR-ANALYS (DATA-ERR) Error bar on the curve 2277900300009 STATUS (DEP,22779002) 2277900300010 (CURVE) Data represented on Fig.2 of PRL,95,182502. 2277900300011 Request for data sent to K.Kirch, 2009-09-05 2277900300012 COMMENT 1.Data are given for measurements before cycling, 2277900300013 after 5 -> 10 K cycling and after 5 -> 18K cycling 2277900300014 2.Sample temperatures are determined by compiler 2277900300015 3.Values on Fig.2 are divided by 2 because of molecular2277900300016 origin of samples. Errors remained unchanged 2277900300017 ENDBIB 15 0 2277900300018 NOCOMMON 0 0 2277900300019 DATA 10 18 2277900300020 EN DATA 1DATA-ERR 1TEMP 1DATA 2DATA-ERR 22277900300021 TEMP 2DATA 3DATA-ERR 3TEMP 3 2277900300022 EV B B K B B 2277900300023 K B B K 2277900300024 1.1948E-07 1.8820E+01 2.5314E+00 5. 1.3198E+01 2.0131E+002277900300025 10. 7.8420E+00 1.8611E+00 18. 2277900300026 1.4039E-07 2.2211E+01 2.0130E+00 5. 1.3514E+01 1.5776E+002277900300027 10. 1.2587E+01 2.6231E+00 18. 2277900300028 1.6405E-07 1.7257E+01 1.5640E+00 5. 1.0750E+01 1.3501E+002277900300029 10. 1.1095E+01 1.2953E+00 18. 2277900300030 1.9169E-07 1.7809E+01 1.9230E+00 5. 7.5980E+00 1.1590E+002277900300031 10. 6.8040E+00 1.8163E+00 18. 2277900300032 2.2400E-07 2.0688E+01 1.1744E+00 5. 8.1570E+00 1.0244E+002277900300033 10. 6.4895E+00 9.3115E-01 18. 2277900300034 2.6029E-07 1.9889E+01 1.1289E+00 5. 8.2220E+00 9.5985E-012277900300035 10. 6.5925E+00 9.4595E-01 18. 2277900300036 3.0585E-07 1.9733E+01 1.1200E+00 5. 7.9665E+00 7.2205E-012277900300037 10. 7.4205E+00 9.3195E-01 18. 2277900300038 3.5541E-07 1.8820E+01 9.1205E-01 5. 7.9665E+00 5.1885E-012277900300039 10. 6.2880E+00 5.1600E-01 18. 2277900300040 4.1994E-07 1.7809E+01 7.1635E-01 5. 7.3045E+00 5.9945E-012277900300041 10. 6.1410E+00 5.0395E-01 18. 2277900300042 4.9619E-07 1.6330E+01 1.2012E+00 5. 6.4895E+00 4.7740E-012277900300043 10. 6.0450E+00 3.6960E-01 18. 2277900300044 5.8629E-07 1.4507E+01 4.6050E-01 5. 5.9975E+00 4.4120E-012277900300045 10. 5.2445E+00 3.9775E-01 18. 2277900300046 6.9662E-07 1.4623E+01 4.6865E-01 5. 6.2880E+00 4.0955E-012277900300047 10. 5.5425E+00 4.0770E-01 18. 2277900300048 8.4632E-07 1.3620E+01 4.3655E-01 5. 5.2445E+00 2.9770E-012277900300049 10. 4.8090E+00 3.2950E-01 18. 2277900300050 1.0397E-06 1.2788E+01 4.0985E-01 5. 5.2445E+00 2.5415E-012277900300051 10. 4.2385E+00 3.1180E-01 18. 2277900300052 1.2988E-06 1.2788E+01 4.0985E-01 5. 5.3705E+00 3.4975E-012277900300053 10. 4.8090E+00 2.9405E-01 18. 2277900300054 1.6496E-06 1.1725E+01 4.7160E-01 5. 4.5148E+00 3.7050E-012277900300055 10. 4.3400E+00 4.2295E-01 18. 2277900300056 2.1425E-06 9.1815E+00 9.1145E-01 5. 3.4529E+00 7.1955E-012277900300057 10. 3.5075E+00 8.0385E-01 18. 2277900300058 2.8770E-06 7.0220E+00 1.0711E+00 5. 2.2026E+00 9.6335E-012277900300059 10. 2.3645E+00 9.2865E-01 18. 2277900300060 ENDDATA 40 0 2277900300061 ENDSUBENT 60 0 2277900399999 ENDENTRY 3 0 2277999999999