ENTRY O0967 20030515 0000O096700000001 SUBENT O0967001 20030515 0000O096700100001 BIB 15 55 O096700100002 TITLE New Ne-22(A,N)Mg-25 resonances at very low energies O096700100003 relevant for the astrophysical S-process. O096700100004 AUTHOR (H.W.Drotleff, A.Denker, J.W.Hammer, H.Knee, S.Kuchler,O096700100005 D.Streit, C.Rolfs, H.P.Trautvetter) O096700100006 INSTITUTE (2GERTHS) O096700100007 (2GERBOC) O096700100008 REFERENCE (J,ZP/A,338,367,1991) O096700100009 REL-REF (R,,K.WOLKE+,J,ZP/A,334,491,1989) Details of O096700100010 experiments. O096700100011 (R,A0613002,H.W.DROTLEFF+,J,AJ,414,735,1993) O096700100012 More detailed experiment. O096700100013 HISTORY (20020603C) O096700100014 (20030515U) Last checking has been done. O096700100015 SAMPLE A windowless, recirculating gas target system with fourO096700100016 pumping stages was used. The system was filled with O096700100017 99.8% enriched Ne-22 gas. O096700100018 ADD-RES (COMP).Collective and microscopic model calculations. O096700100019 DETECTOR (D4PI) O096700100020 (SCIN) In the energy range E(A) approx. 1400 to 2100- O096700100021 KeV additional measurements with scintillation O096700100022 detectors have been performed. O096700100023 FACILITY (DYNAM,2GERTHS) The 4-MV Dynamitron accelerator. O096700100024 METHOD (SITA) O096700100025 COMMENT -By authors: O096700100026 1.A new beamline was installed including two O096700100027 quadrupole tripletts,which provided an improved O096700100028 matching of the beam optics with the aperture of the O096700100029 gas target system about 100% transmission.In order to O096700100030 maintain this transmission at low energies,it was O096700100031 necessary to shorten one half of the dynamitron O096700100032 cascade. O096700100033 2.In order to minimize the yield contributions from O096700100034 background reactions in particular from C-13(A,N)O-16, O096700100035 all beam-line components of the gas target system have O096700100036 been sand-blaster (glass) and the target chamber was O096700100037 lined with Ta. O096700100038 3.The cylindrical extended target chamber was O096700100039 surrounded by 8 He-3 proportional counters,each of O096700100040 2.5-cm diameter and about 1-m length, which were O096700100041 embedded in a cylindrical polyethylene moderator of O096700100042 35-cm diameter. This 4-pi neutron detector was O096700100043 surrounded in addition with layers of polyethylene, O096700100044 paraffine, boron and cadmium to reduce the beam- O096700100045 independent background rate. O096700100046 4.At each beam energy,differential measurements of theO096700100047 neutron yields with gas-in and gas-out have been made. O096700100048 5.The beam energy has been determined directly by O096700100049 gamma spectroscopy in the whole energy range using the O096700100050 direct capture reaction He-3(A,G)Be-7. O096700100051 ERR-ANALYS (EN-ERR-DIG).Data-point reader uncertainty. O096700100052 (ERR-T).The uncertainty is reported by authors. O096700100053 (ERR-DIG) Data-point reader uncertainty. O096700100054 CORRECTION -By authors. The data have been corrected for energy O096700100055 loss in the target gas. O096700100056 STATUS (CURVE).By CAJAD. O096700100057 ENDBIB 55 0 O096700100058 NOCOMMON 0 0 O096700100059 ENDSUBENT 58 0 O096700199999 SUBENT O0967002 20030515 0000O096700200001 BIB 2 2 O096700200002 REACTION (10-NE-22(A,N)12-MG-25,,SIG) O096700200003 PART-DET (N) O096700200004 ENDBIB 2 0 O096700200005 COMMON 2 3 O096700200006 EN-ERR-DIG ERR-DIG O096700200007 KEV PER-CENT O096700200008 5. 1.7 O096700200009 ENDCOMMON 3 0 O096700200010 DATA 4 217 O096700200011 EN DATA-MAX DATA ERR-T O096700200012 KEV MICRO-B MICRO-B PER-CENT O096700200013 566.9 9.38E-05 O096700200014 577.1 1.322E-04 O096700200015 586.4 8.56E-05 O096700200016 596.1 7.89E-05 O096700200017 604. 8.38E-05 O096700200018 607.4 5.34E-05 O096700200019 617.1 8.E-05 60. O096700200020 617.6 1.3E-04 50. O096700200021 618.6 1.6E-04 25. O096700200022 619.2 1.84E-04 14. O096700200023 619.8 1.99E-04 8. O096700200024 620.4 2.17E-04 8. O096700200025 623. 2.71E-04 9. O096700200026 624.4 2.47E-04 11. O096700200027 626.6 2.1E-04 14. O096700200028 628.3 1.7E-04 29. O096700200029 628.7 1.6E-04 30. O096700200030 631.9 6.E-05 50. O096700200031 638.7 8.E-05 50. O096700200032 640.4 5.5E-05 50. O096700200033 645.5 4.3E-05 60. O096700200034 647. 5.5E-05 50. O096700200035 649.4 5.1E-05 50. O096700200036 650.9 8.46E-05 O096700200037 661.9 1.016E-04 O096700200038 671.8 1.089E-04 O096700200039 687.7 6.E-05 70. O096700200040 698. 9.08E-05 O096700200041 704.8 8.6E-05 O096700200042 726.8 6.E-05 70. O096700200043 745.8 8.31E-05 O096700200044 759.3 6.83E-05 O096700200045 775.9 7.E-05 60. O096700200046 799.9 1.027E-04 O096700200047 806.6 4.1E-05 60. O096700200048 819.1 8.E-05 40. O096700200049 820.6 1.2E-04 50. O096700200050 822.4 1.059E-04 O096700200051 829.4 2.6E-04 30. O096700200052 830.8 3.9E-04 23. O096700200053 832.1 2.64E-03 5. O096700200054 832.5 3.79E-03 7. O096700200055 835.4 3.47E-03 2. O096700200056 836.1 6.21E-03 2.4 O096700200057 836.2 7.2E-03 4. O096700200058 837.6 4.48E-03 2.9 O096700200059 838.5 4.14E-03 5. O096700200060 839.3 8.02E-03 4. O096700200061 842. 6.8E-03 4. O096700200062 843.5 6.9E-03 4. O096700200063 846. 4.51E-03 4. O096700200064 846.7 2.5E-03 4. O096700200065 847.3 3.99E-03 4. O096700200066 849.5 2.2E-03 8. O096700200067 849.8 2.77E-03 6. O096700200068 853.8 2.7E-04 30. O096700200069 854.3 9.1E-04 23. O096700200070 858.6 2.4E-04 40. O096700200071 867. 1.8E-04 70. O096700200072 868. 1.7E-04 50. O096700200073 880.4 1.4E-04 60. O096700200074 900.1 7.E-05 70. O096700200075 901.8 1.2E-04 70. O096700200076 924. 9.E-05 70. O096700200077 936.1 1.3E-04 70. O096700200078 945.3 1.8E-04 60. O096700200079 955. 1.8E-04 50. O096700200080 958. 3.1E-04 23. O096700200081 975. 3.3E-04 30. O096700200082 985. 8.1E-04 17. O096700200083 995. 1.52E-03 O096700200084 1005. 1.95E-03 O096700200085 1011. 1.25E-03 O096700200086 1028. 1.71E-03 O096700200087 1031. 2.2E-03 O096700200088 1048. 4.4E-03 O096700200089 1061. 9.4E-03 O096700200090 1068. 7.7E-03 O096700200091 1071. 1.28E-02 O096700200092 1078. 3.3E-02 O096700200093 1084. 3.5E-02 O096700200094 1098. 1.75E-02 O096700200095 1107. 5.2E-03 O096700200096 1117. 3.8E-03 O096700200097 1124. 3.3E-03 O096700200098 1134. 4.E-03 O096700200099 1143. 4.9E-03 O096700200100 1160. 5.9E-03 O096700200101 1170. 9.7E-03 O096700200102 1183. 1.94E-02 O096700200103 1187. 2.34E-02 O096700200104 1190. 5.3E-02 O096700200105 1197. 8.3E-02 O096700200106 1200. 0.114 O096700200107 1207. 0.146 O096700200108 1213. 0.113 O096700200109 1223. 8.2E-02 O096700200110 1226. 5.3E-02 O096700200111 1236. 4.1E-02 O096700200112 1246. 3.6E-02 O096700200113 1259. 3.2E-02 O096700200114 1272. 3.8E-02 O096700200115 1279. 4.6E-02 O096700200116 1299. 7.6E-02 O096700200117 1315. 0.11 O096700200118 1319. 0.142 O096700200119 1329. 0.207 O096700200120 1335. 0.235 O096700200121 1348. 0.265 O096700200122 1358. 0.3 O096700200123 1368. 0.3 O096700200124 1378. 0.53 O096700200125 1388. 0.53 O096700200126 1408. 0.43 O096700200127 1421. 0.59 O096700200128 1424. 2.1 O096700200129 1425. 0.81 O096700200130 1427. 5.4 O096700200131 1428. 7. O096700200132 1429. 1.63 O096700200133 1431. 1.19 O096700200134 1433. 15.9 O096700200135 1434. 24.8 O096700200136 1435. 16.9 O096700200137 1441. 13.2 O096700200138 1443. 6.5 O096700200139 1444. 3.9 O096700200140 1448. 2.09 O096700200141 1451. 0.52 O096700200142 1452. 0.92 O096700200143 1454. 1.62 O096700200144 1456. 0.76 O096700200145 1467. 0.38 O096700200146 1470. 0.59 O096700200147 1484. 0.66 O096700200148 1494. 4.4 O096700200149 1495. 2.06 O096700200150 1497. 8.9 O096700200151 1504. 6. O096700200152 1510. 12.1 O096700200153 1513. 3.4 O096700200154 1517. 7.8 O096700200155 1520. 11.3 O096700200156 1527. 25.8 O096700200157 1537. 16.5 O096700200158 1540. 6.8 O096700200159 1546. 3.6 O096700200160 1550. 2.46 O096700200161 1556. 1.68 O096700200162 1566. 11.2 O096700200163 1569. 4.9 O096700200164 1570. 6.7 O096700200165 1573. 15.3 O096700200166 1574. 17.4 O096700200167 1575. 37. O096700200168 1576. 2.77 O096700200169 1577. 54. O096700200170 1589. 2.94 O096700200171 1590. 14.3 O096700200172 1591. 42. O096700200173 1596. 11.1 O096700200174 1602. 5.2 O096700200175 1605. 0.83 O096700200176 1609. 1.37 O096700200177 1622. 0.72 O096700200178 1642. 0.72 O096700200179 1652. 0.99 O096700200180 1681. 2.7 O096700200181 1685. 3.9 O096700200182 1688. 10.8 O096700200183 1689. 28. O096700200184 1690. 72. O096700200185 1692. 99. O096700200186 1702. 93. O096700200187 1705. 64. O096700200188 1706. 36. O096700200189 1708. 20.3 O096700200190 1715. 12.2 O096700200191 1718. 5.4 O096700200192 1720. 6.9 O096700200193 1724. 3.9 O096700200194 1728. 3.4 O096700200195 1741. 3.6 O096700200196 1751. 5. O096700200197 1761. 7.3 O096700200198 1767. 10. O096700200199 1774. 12. O096700200200 1784. 10.6 O096700200201 1787. 12. O096700200202 1794. 16.4 O096700200203 1797. 27.2 O096700200204 1807. 30.8 O096700200205 1810. 25.5 O096700200206 1817. 16.3 O096700200207 1820. 12.7 O096700200208 1830. 9.8 O096700200209 1843. 9.8 O096700200210 1860. 15.1 O096700200211 1863. 25.1 O096700200212 1889. 39. O096700200213 1899. 50. O096700200214 1906. 68. O096700200215 1916. 73. O096700200216 1929. 106. O096700200217 1942. 120. O096700200218 1956. 144. O096700200219 1965. 119. O096700200220 1979. 98. O096700200221 1988. 81. O096700200222 1998. 81. O096700200223 2008. 111. O096700200224 2015. 161. O096700200225 2025. 303. O096700200226 2041. 360. O096700200227 2048. 500. O096700200228 2061. 470. O096700200229 2078. 320. O096700200230 ENDDATA 219 0 O096700200231 ENDSUBENT 230 0 O096700299999 ENDENTRY 2 0 O096799999999