ENTRY C0843 20020822 0000C084300000001 SUBENT C0843001 20020822 0000C084300100001 BIB 10 31 C084300100002 INSTITUTE (1USANOT,2GERKFK) C084300100003 REFERENCE (J,PR/C,62,055801,200005) C084300100004 AUTHOR (J.Goerres,C.Arlandini,U.Geisen,M.Heil,F.Kaeppeler, C084300100005 H.Leiste,E.Stech,M.Wiescher) C084300100006 TITLE Low-energy resonances in 14N(alpha,gamma)18F and their C084300100007 astrophysical implications C084300100008 FACILITY (ACCEL,2GERKFK) C084300100009 (ACCEL,1USANOT) C084300100010 SAMPLE Thin layer of TiN on Ta backing. Target thickness 30 C084300100011 microg/cm2. C084300100012 Targets directly cooled and mounted at 45 degrees to C084300100013 beam direction. C084300100014 DETECTOR (GE-IN) Prompt gammasdetected using Ge-clover detector,C084300100015 consisting of 2 pairs of individual crystals, and C084300100016 shielded by lead to reduce room background. C084300100017 For activation measurements, 2 Ge clover-detectors C084300100018 mounted face-to-face, used to detect 18F annihilation C084300100019 gammas in coincidence. C084300100020 MONITOR Beam energy calibrated using: C084300100021 . 27Al(p,gamma)28Si resonances at 632 and 992 keV, C084300100022 . observed gamma rays from primary transitions in C084300100023 reaction 16O(p,gamma)17F at several energies, C084300100024 . 14N(alpha,gamma)18F resonance at 1136 keV. C084300100025 Relative detector efficiency for prompt gammas C084300100026 determined using gammas from: C084300100027 . 14N(p,gamma)15O resonance at 1058 keV, C084300100028 . 14N(alpha,gamma)18F resonance at 1136 keV, C084300100029 . other calibrated source. C084300100030 STATUS Data taken from tables in reference. C084300100031 No reply from J. Goerres to author proof. C084300100032 HISTORY (20020723C) VM C084300100033 ENDBIB 31 0 C084300100034 NOCOMMON 0 0 C084300100035 ENDSUBENT 34 0 C084300199999 SUBENT C0843002 20020723 0000C084300200001 BIB 5 13 C084300200002 REACTION (7-N-14(A,G),,WID/STR) C084300200003 METHOD (ACTIV) Targets activated for 220 minutes; decay curvesC084300200004 measured also for 220 minutes. C084300200005 Values calculated using stopping powers of Ziegler, C084300200006 Helium stopping Powers and Ranges in All Elements, C084300200007 Pergamon press (1977). C084300200008 DECAY-DATA (9-F-18,109.77MIN,DG,511.,0.9673) C084300200009 MONITOR Absolute counting efficiency measured using weak C084300200010 22Na source. C084300200011 ERR-ANALYS (DATA-ERR) Errors given include statistical uncertaintyC084300200012 and errors in detection efficiency (0.35%), charge C084300200013 integration (1%). Errors given do not include C084300200014 uncertainty in stopping power (7%). C084300200015 ENDBIB 13 0 C084300200016 NOCOMMON 0 0 C084300200017 DATA 4 2 C084300200018 EN-RES EN-ERR DATA DATA-ERR C084300200019 KEV KEV MILLI-EV MILLI-EV C084300200020 573. 3. 0.045 0.003 C084300200021 1136. 3. 21.0 0.3 C084300200022 ENDDATA 4 0 C084300200023 ENDSUBENT 22 0 C084300299999 SUBENT C0843003 20020723 0000C084300300001 BIB 2 4 C084300300002 REACTION (7-N-14(A,G)9-F-18,,SGV,,,DERIV) C084300300003 ANALYSIS Calculated using measured resonance strengths, plus C084300300004 strengths for resoances at 1398, 1527/1529, and 1618 C084300300005 keV taken from Parker, Phys.Rev. 173, 1021 (1968). C084300300006 ENDBIB 4 0 C084300300007 NOCOMMON 0 0 C084300300008 DATA 2 24 C084300300009 KT DATA C084300300010 K9 CM3/S/MOL C084300300011 0.07 5.66E-31 C084300300012 0.08 4.76E-27 C084300300013 0.09 5.25E-24 C084300300014 0.10 1.41E-21 C084300300015 0.15 2.35E-14 C084300300016 0.20 8.47E-11 C084300300017 0.30 2.56E-07 C084300300018 0.40 1.24E-05 C084300300019 0.50 1.20E-04 C084300300020 0.60 5.58E-04 C084300300021 0.70 1.98E-03 C084300300022 0.80 6.81E-03 C084300300023 0.90 2.27E-02 C084300300024 1.00 6.82E-02 C084300300025 1.50 2.59E+00 C084300300026 2.00 1.59E+01 C084300300027 3.00 9.07E+01 C084300300028 4.00 2.39E+02 C084300300029 5.00 4.58E+02 C084300300030 6.00 7.42E+02 C084300300031 7.00 1.10E+03 C084300300032 8.00 1.53E+03 C084300300033 9.00 2.04E+03 C084300300034 10.00 2.65E+03 C084300300035 ENDDATA 26 0 C084300300036 ENDSUBENT 35 0 C084300399999 ENDENTRY 3 0 C084399999999