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- 42 - 2. Thermal Gross-Section of the Reaction ^ S (n,y)^SHl W. Kohler , K. Knopf Samples of (NiOoSO^ and ^SO. were irradiated in the graphite reflector of the FRM-reactor. Thermal flux was measured by activation of 20\j gold foils (
- 43 - 98 103 191 ?• Resonance Activation Integrals of Mo., Rh and J Ir E. Schneider The resonance activation integral (1) T -Í g ( £ ) dE 00 E c of a sample (index l) relative to that of a reference standard was measured by two methods: a) the absolute (activity) method A l N 2 ^ I resl = J res2 A^~E¡ (A, = activity; N. = number of target nuclei) b) the cadmium-ratio method °oi («ca" 15 (3) i , = i ~ resl res2 _ /„ n \ W^l- 1 / (cr„. = thermal activation cross-section; R . = cadmium- ratio) . In the usual manner, the 1/v - component p" E dE w Vv-J c e —.— v E E C can be separated from I __, and thus the true resonance integral (5) I . = I - I w res res 1/v is obtained. In the following work, the resonance activation integrals of " Mo, ^Rh and ^ Ir were determined. As reference standards, gold wires were used with the following data; a 0 = 98,6 + 0 ,3 b ; Irèg = 1507 ± 20 b With a cadmium-cutoff E = 0,55 eV, we obtain I. •1/v 42 + 0,2 b and I = 15^9 + 20 b — res — For shielding against thermal neutrons, Cd-capsules of 0.5 mm thickness were used. With the data given in
Page 1 and 2: PROGRESS REPORT EANDC (E) 89 ON NUC
Page 3 and 4: PROGRESS REPORT EANDC(E) 89 ON NUCL
Page 5: XVI. Gruppo di Ricerca del Contratt
Page 8 and 9: - 2 - more to a resonance with spin
Page 10 and 11: - 4 - Table I : Strength functions
Page 12 and 13: ?. (n,y) ~ Spectroscopy - 6 - W. Mi
Page 14 and 15: - 8 - 62„. For "i Kerman and Shak
Page 16 and 17: - 10 - 2,k. Level Structure of Defo
Page 18 and 19: - 12 - ^* ..^^y.,Jlîli?i!giLJ.g^..
Page 20 and 21: k . Isochronous Cyclotron - 14 - i+
Page 22 and 23: 4.3. Partial Cross Sections - 16 -
Page 24 and 25: - 18 - 5. New Developments in Instr
Page 26 and 27: 5.2 Semiconductor Spectrometers - 2
Page 28 and 29: 8-0CE-3-- lo 1-OOE-S- & &** » * *
Page 30 and 31: a-sœ-ai ¿-5Lt-(3- S-ÍEE-23- e-O
Page 32 and 33: 20 30 ¿0 50 60 70 80 90 100 Neutro
Page 34 and 35: y o / • b LJ 3 J 3 2 J o . \ 10 )
Page 36 and 37: l'UU * 9 B ' G b • 4 3 0"10 •*
Page 38 and 39: 9 B / o L) 4 3 2 3 B 7 6 5 4' 3 2 1
Page 40 and 41: 10596 39619 3517.8 3368.6 3268.6 :
Page 42 and 43: Table I - 36 - (n,2n) Cross-Section
Page 44 and 45: - 38 - Numerical values of these fi
Page 46 and 47: Table IH - 40 - 27 Experimental cro
Page 50 and 51: - 44 - .[1-4], the cadmium-cutoff E
Page 52 and 53: - 46 - 5. Measurement of Free Cross
Page 54: - 48 - 13,4 13,6 13,6 14,0 14,2 14,
Page 57 and 58: 1,0 0,9 0,â 0,7 '/' 1,0 0,9 KO 0j9
Page 59 and 60: V 1,0 0,9 12 1.1 hO 0,9 O.d c(n,2n)
Page 61 and 62: - 55 - III. INSTITUT FUR FESTKÔRPE
Page 63 and 64: as 26 » XL 20 IB « * 12 j&[mbarn]
Page 65 and 66: - 59 - V„ PHYSICALISCHES STAATSIN
Page 67 and 68: ^^"^•""-^^^^ Reaction Bn(MeV) ' -
Page 69 and 70: - 63 - VI. INSTITUT FUR REINE UND A
Page 71 and 72: - 65 - 2. Thermal-neutron capture y
Page 73 and 74: - 67 - VIII. REACTOR INSTITÜUT DEL
Page 75 and 76: - 69 - elastic scattering processes
Page 77 and 78: - 71 - hamiltonian can be handled b
Page 79 and 80: - 73 - corresponding errors by non-
Page 81 and 82: - 75 - In collaboration with the Tr
Page 83 and 84: angular distribution. - 77 - This p
Page 85 and 86: - 79 - The experimental points have
Page 87 and 88: -81 - 9. Statistical fluctuations a
Page 89 and 90: - 83 - XII.GRUPPO DI ISPRA PER LE M
Page 91 and 92: - 85 - ¿III.. LABORATORIO PATI NUC
Page 93 and 94: - 87 - the hypothesis of an inert a
Page 95 and 96: - 89 - o RL Henkel et al, Phys. Rev
Page 97 and 98: 10 10 10 10 - 91 - 10 J I i I I 12
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- 93 - TABLE I : cross-section valu
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- 95 - The electronics designed for
Page 103 and 104:
- 97•-, XVI. GRUPPO DI RICERCA DE
Page 105 and 106:
2500- 500- - 99 - 31 E(MeV) Pig. 1
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- 101 - F. (a, Í3
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- 103 - Wheeler [9], we can express
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- 105 - [12] A. Manfredini, M. Much
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- 107 - TABLE II : Values of the pa
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1.0 Q5 OP 10 Q5 Oy Ti 0.0k; ' L 1
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i i • î • J / i i /i K i i f i
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Use of the PDP-8 computer - 113 - A
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TABLE II : Extrapolation of the pha
Page 123 and 124:
- 117 - multiplier and coincidences
Page 125 and 126:
- 119 - XXI. CENTRE D»ETUDE DE L'E
Page 127 and 128:
- 121 - The latter result shows a s
Page 129 and 130:
- 123 - effect on the half-life of
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- 125 - standard for à'fferential
Page 133 and 134:
- l¿7 - 6.4* Method for measuremen
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- 129 - XXII. Centrai Bureau for Nu
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131 - is made. The total and the to
Page 139 and 140:
7.6 - A 1.4 1.2 1.0 0.6 0.6 0.4 02
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300 200 100 tfinei [mb] i f I Hff^r
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1 i 4 5 e 7 a 9 to 'it Dtttctor 1 M
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- 139 - structure at low energies w
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gr[BARN) II to • 9 - 8 - 7 - 6 -
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143- 1000 1200 1400 1600 1800 2000
Page 151 and 152:
- 145 - ment of the subthreshold fi
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- 147 - have been performed on natu
Page 155 and 156:
Eo(eV) 23.22 42.28 32.13 57.11 61.8
Page 157 and 158:
- 151' - Table IV 1 77 Spin assignm
Page 159 and 160:
- 153 - homogeneity of the layers.
Page 161 and 162:
- 155 - The configuration of the IB
Page 163 and 164:
- 157 - 4.2.4. Corrections for Meas
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- 159 - 4-.4-.5. Random Digital Wor
Page 167 and 168:
- 161 - 5.3. Determination of Nucle
Page 169 and 170:
- 163 - acid have been distributed
Page 171 and 172:
- 165 - ratories in the European Co
Page 173 and 174:
- 167 - MIGNECO, E., THEOBALD, J.,
Page 175 and 176:
- 169 - 28. SPERNOL, A., The intern
Page 177 and 178:
- 171. - XXIII. SECTION DES MESURES
Page 179 and 180:
- 173 correspondantes à 8 épaisse
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- 175 - les deux utilisations pouva
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- i?7 - Pour permettre de vérifier
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- 179 - - avec une chambre d'ionisa
Page 187 and 188:
- 181 - J. E. KAKSON et H. THOMAS,
Page 189 and 190:
- 183 - de VYNS de 50/ug/cm ¿ d'é
Page 191 and 192:
Analyse des résultats» - 185 - Fe
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- 18? - fission sont supposées sui
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- 189 - l'expérience tels que la p
Page 197 and 198:
- 191 - lonner, pour différentes
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- 193 - GROUPE DES REACTIONS PHOTON
Page 201 and 202:
REFERENCES : - i$5 - ( 1) C. SIGNAR
Page 203 and 204:
Ni 61 tttitttttttt I (HfV) r- *i IM
Page 205 and 206:
300- 250- ?00- •0 c* A « (M Mo
Page 207 and 208:
oc os ai as- 67. 01 A Mesures ( f
Page 209 and 210:
t 4- S- 2- 2 g/V M i- ill I. I I »
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I°o «f eol befen normal •^B Fer
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- 207 - résonances des deux états
Page 215 and 216:
REFERENCES - £09 - (1) J. MORGENST
Page 217 and 218:
Meyau «tudii S, V »H» "Co "cu «
Page 219 and 220:
R* -213- 19 4eV 11,8 eV Ey ; 6520 K
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- 215 - XXV. SECTIONS DE MESURAS. J
Page 223 and 224:
- 217 - 2.2. .Etude, de la réactio
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- 219 - On y voit les protons de re
Page 227 and 228:
- 22l - ... résonnance J = *, F =1
Page 229 and 230:
Référencer : - 223 - (1) - J. Jou
Page 231 and 232:
¿«J « • « » ; •»r»r r /
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•>• i 10 mtv Y / »•*«»* *?
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4?mb/si.MeV 20 15 10 h.r § z «
Page 237 and 238:
Figure 1k • *%«*, = 90 '' ¡ÛE
Page 239 and 240:
- 233 - XXVI. SERVICE DE' PHYSIQUE
Page 241 and 242:
R E F E R E N C E S - 235 - (1) G.
Page 243:
N 300 200 100 D ( r., p ) n n En=U,
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