Ruthenium Isotopes

Yale: Ru Isotopes October 2007

Target: (MJT-1) 0.45 Mg-26 | 3.2 Gd | 0.01 Ni | 5.4 Cu | 5.6 Cu mg/cm2
Yale set up: 4 Clover detectors at 13.2 cm from target.
PIPS (Canberra) particle detector (Sn:46) at 21.5mm from target (Bias 40 V)
Opening angle of particle detector: ±24°

96-104Ru

Beam: 210 and 230 MeV.

 
Run Summary
Run  Date  Start  Time  Events  Parts/s  Comment 
1 22 22:38 57m 23262 1433.7 96Ru Precession while cooling
2 22 23:36 3h 1m 78950 1586.4 Precession all 66° (no fld info)
3 23 2:39 2h11m 84864 2229.1 Precession (no fld info)
4 23 4:51 2h11m 88034 2224.6 Precession (no fld info)
7 23 9:29 49m 129475 5962.4 Precession
8 23 10:19 53m 135420 5519.5 Precession
9 23 11:14 51m 141040 5831.1 Precession
10 23 12:07 1h52m 219351 3737.9 Precession
11 23 14:03 1h07m 206951 5860.6 Anisotropy (130,80,50,100)
12 23 15:14 1h08m 201517 5780.4 Anisotropy (100,50,80,130)
13 23 17:07 1h46m 430921 5589.8 New Beam Energy 230 MeV - Precession at 67°
14 23 18:55 2h45m 386244 3547.5 Precession
15 23 21:42 3h22m 310311 2928.1 Precession
16 24 1:05 2h32m 367891 3862.1 Precession
17 24 3:39 2h 3m 398699 4823.9 Precession
18 24 5:44 2h49m 339605 3236.8 Precession
19 24 10:10 57m 156876 4312.0 Anisotropy (130,80,50,100)
20 24 11:10 1h06m 1526663 3706.5 Anisotropy (100,50,80,130)
21 24 13:22 3h22m 128385 1210.0 New isotope 98Ru - Precession at 67° Beam 230 MeV
22 24 16:47 2h30m 93513 1321.6 Precession
23 24 19:17 2h55m 86216 1128.0 Precession
24 24 22:14 4h57m 65425 616.4 Precession
25 25 3:11 5h28m 52203 488.3 Precession
26 25 9:35 34m 1373181 11513.3 New isotope 102Ru - Precession at 67° Beam 227 MeV
27 25 10:12 1h10m 2852151 11178.8 Precession
28 25 11:25 1h14m 2909033 10587.8 Precession
29 25 12:42 1h13m 2813308 10820.6 Precession
31 25 14:02 21m 650155 9433.6 Anisotropy (130,80,50,100)
32 25 14:26 17m 703351 11299.1 Anisotropy (100,50,80,130)
33 25 15:06 1h17m 2301871 7647.5 New isotope 104Ru - Precession at 67° Beam 227 MeV
34 25 16:26 1h27m 2150996 6782.3 Precession
35 25 17:55 1h27m 2277080 6833.7 Precession
36 25 19:24 45m 1075431 6472.9 Precession
37 25 20:30 2h14m 703930 4408.5 New isotope 100Ru - Precession at 67° Beam 227 MeV
38 25 22:46 1h33m 849656 6387.7 Precession
39 26 0:21 1h41m 804802 5872.6 Precession
40 26 2:04 2h09m 746288 4574.4 Precession
41 26 4:15 2h13m 820897 4419.0 Precession
42 26 6:30 2h01m 753978 4886.7 Precession
43 26 8:33 2h01m 662674 4451.0 Precession
44 26 12:50 1h09m 439235 5752.4 New isotope 98Mo - Precession at 67° Beam 225 MeV
45 26 14:01 1h19m 921409 7471.5 Precession
46 26 15:22 1h18m 710027 6625.0 Precession

New Target: (Ta-6) 0.5 Mg-24 | 3.4 Gd | 1.0 Ta | 5.4 Cu | 5.6 Cu mg/cm2
continuation of 98Mo at 225 MeV

Run Summary
Run  Date  Start  Time  Events  Parts/s  Comment 
47 26 18:25 21m 272425 9157.4 Anisotropy (130,80,50,100)
48 26 18:48 21m 259020 9047.6 Anisotropy (100,50,80,130)
50 26 20: 1 43m 523302 9037.5 Precession
51 26 20:46 45m 478887 8647.4 Precession
52 26 21:33 53m 452037 7419.2 Precession
53 26 22:27 1h15m 387066 5230.8 Precession
54 26 23:44 50m 555339 7840.8 Precession
55 27 0:35 46m 495139 8597.5 Precession
56 27 1:22 50m 467566 7900.4 Precession
57 27 2:14 45m 496342 8651.7 Precession
57 27 2:14 45m 496342 8651.7 Precession
58 27 3: 1 49m 483540 8096.0 Precession
59 27 3:51 47m 495300 8410.2 Precession
60 27 4:39 48m 486883 8096.2 Precession
61 27 5:29 32m 294490 7487.8 Precession

Precession Event File Summery
Filename  Runs  Time  Events  ~Npeak/clover  eps[rad]  Comment
ru0007.evt 7-10 4h25m  625000  1600  -0.06506(880)   
Angular Correlation Event File Summery
Filename  Runs  Time  Events  Ratio50/80  Comment
ru0011.evt 11 1h07m  206828    2.924(79)  Angle 1 (130,80,50,100)
ru0012.evt 12 1h08m  201399       Angle 2 (100,50,80,130)
ru0019.evt 19 57m  156827   2.855(60)   Angle 1 (130,80,50,100)
ru0020.evt 20 1h06m  152616      Angle 2 (100,50,80,130)
ru0031.evt 31 21m  650054   2.750(37)   Angle 1 (130,80,50,100)
ru0032.evt 32 17m  703247      Angle 2 (100,50,80,130)

Yale: 102Ru February 2009

Remeasurement with MK target (check of earlier measurement).

Target: (MK Ta-6) 0.5 24 Mg | 3.4 Gd | 1.0 Ta | 5.4 Cu | mg/cm2 added 5.6 mg/cm2 Cu in front of particle detetor.
Yale set up: 4 Clover detectors at 13.2 cm from target.
PIPS (Canberra) particle detector (Sn:68231) at 23mm from target (Bias 40 V)
Opening angle of particle detector: ±23°

Beam: 227 MeV.

 
Run Summary MK (Ta-6) target
Run  Date  Start  Time  Events  Parts/s  Comment 
1020062 24 1:56 11m 123970 12848.4 Precession 67 deg
1020063 24 2:26 51m 577063 11569.9 Precession 67 deg
1020064 24 3:19 1h00m 557830 9868.3 Precession 67 deg
1020065 24 4:20 1h05m 562637 9140.5 Precession 67 deg
1020066 24 5:27 1h11m 562233 8333.0 Precession 67 deg
1020067 24 6:40 1h21m 574520 7239.2 Precession 67 deg
1020068 24 8:03 1h20m 585032 7346.9 Precession 67 deg
1020069 24 9:26 1h06m 409555 6374.2 Precession 67 deg

New Target: (MK Ta1.4-11) 0.442 C | 3.34 Gd | 1.40 Ta | 4.5 Cu | mg/cm2 left 5.6 mg/cm2 Cu in front of particle detetor.

Run Summary MK (Ta1.4-11) target
Run  Date  Start  Time  Events  Parts/s  Comment 
1020071 24     431835 6374.2 Precession 67 deg cooling down
1020072 24 13:28 53m 1646085 6865.4 Precession 67 deg
1020073 24 14:23 1h24m 977710 6980.3 Precession 67 deg
1020074 24 15:50 1h18m 936449 7547.5 Precession 67 deg
1020075 24 17:10 1h59m 695117 3947.0 Precession 67 deg
1020076 24 19:27 2h35m 579268 3824.6 Precession
1020077 24 22: 4 1h46m 476507 4240.5 Precession
1020078 25 0:47 1h16m 166089 7792.8 Precession 67 deg 160 MeV
1020079 25 2:05 1h22m 162357 7171.4 Precession 67 deg
1020080 25 3:29 53m 184946 11013.7 Precession 67 deg
1020081 25 4:24 51m 186564 11500.3 Precession 67 deg
1020082 25 5:18 1h01m 181964 9623.4 Precession 67 deg
1020083 25 6:20 54m 188191 10908.6 Precession 67 deg
1020084 25 7:16 50m 217611 11773.1 Precession 67 deg
1020085 25 8:08 14m 95949 16486.3 Precession 67 deg

Yale: 96Ru September 2009

Close to Coulomb barrier (333 MeV) check for 100Pd.

Run Summary MK (Ta1.4-11) target
Run  Date  Start  Time  Events  Parts/s  Comment 
960087 30 18:53   45m  6438 564 Precession 67 deg cooling down
960088 30 19:39 1h30m 17032 817 210 MeV Precession 67°
960089 30 21:24 4h16m 198962 2312 220 MeV Precession 67°
960090 1 1:43 3h43m 201068 2652 Precession 67°
960091 1 5:28 2h35m 119178 2374 Precession 67°
960092 1 11:26 3m 2577 629.2 Precession 340 MeV
960093 1 12:46 18m 38706 738 Precession 345 MeV
960094 1 13:20 11m 38778 1082 Precession 350 MeV
960095 1 13:55 1h02m 24948 374 Precession 345 MeV
960096 1 15:31 3h17m 1887171 2998 Precession
960097 1 18:50 4h09m 1897006 2374 Precession
960098 1 23:01 3h20m 2120509 2981 Precession
960099 2 2:20 3h11m 2169473 3100 Precession
960100 2 5:33 2h52m 1373780 2247 Precession
960101 2 8:31 1h00m 662796 2934 ang1 130/100/50/80
960102 2 11:03 40m 611682 3894 ang2 100/50/80/130
960103 2 11:48 2h53m 2422585 3393 Precession 67°
960105 2 18:23 4h39m 2134342 2104 Precession 67
960106 2 23: 5 2h43m 1932434 2966 Precession 67
960107 3 1:52 3h47m 2259354 2605 Precession 67
960108 3 5:41 0h15m 147470 2468 Precession 67

G.Kumbartzki
Last modified: Tue Oct 6 11:04:31 EDT 2009