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- 66 - 3» Circular polarization of gamma rays after capture of pola rized neutrons in S» Ca, Ti, Cr» Co, Hg and Fb. K. Abrahams and W. Ratynski . The circular polarization of gamma rays after capture of polarized thermal neutrons in natural targets of S, Ca, Ti, Cr, Co, Hg and Pb has been measured using two Ge(Li) detec- 3 3 tors with a volume of 15 cm and 30 cm , respectively. As a source of polarized neutrons a system of 52 cobalt mirrors, each one meter long, was used. Circular polarization was measured by transmission through two 10 cm long cylinders of magnetized permendur. Every 10 sec. the neutron spin was reversed. The measuring time per sample was on the average two weeks. Several new spin assignments could be made and many old spin assignments could be confirmed. On leave from the Institute for <strong>Nuclear</strong> Research, Swierk, Poland.
- 67 - VIII. REACTOR INSTITÜUT DELFT (NETHERLANDS) W. Hoekstra Using the tangential radiation facility of the H.O.R. reactor the gamma ray spectra of Th(n,Y), Th and of ' Re(n,Y), 186 l88 '' Re have been measured with the aid of a Ge(Li) detector. Results will be published.
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PROGRESS REPORT EANDC (E) 89 ON NUC
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PROGRESS REPORT EANDC(E) 89 ON NUCL
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XVI. Gruppo di Ricerca del Contratt
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- 2 - more to a resonance with spin
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- 4 - Table I : Strength functions
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?. (n,y) ~ Spectroscopy - 6 - W. Mi
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- 8 - 62„. For "i Kerman and Shak
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- 10 - 2,k. Level Structure of Defo
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- 12 - ^* ..^^y.,Jlîli?i!giLJ.g^..
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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
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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 48 and 49: - 42 - 2. Thermal Gross-Section of
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: - 65 - 2. Thermal-neutron capture y
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
Page 99 and 100: - 93 - TABLE I : cross-section valu
Page 101 and 102: - 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
Page 107 and 108: - 101 - F. (a, Í3
Page 109 and 110: - 103 - Wheeler [9], we can express
Page 111 and 112: - 105 - [12] A. Manfredini, M. Much
Page 113 and 114: - 107 - TABLE II : Values of the pa
Page 115 and 116: 1.0 Q5 OP 10 Q5 Oy Ti 0.0k; ' L 1
Page 117 and 118: i i • î • J / i i /i K i i f i
Page 119 and 120: Use of the PDP-8 computer - 113 - A
Page 121 and 122: TABLE II : Extrapolation of the pha
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- 117 - multiplier and coincidences
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- 119 - XXI. CENTRE D»ETUDE DE L'E
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- 121 - The latter result shows a s
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- 123 - effect on the half-life of
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- 125 - standard for à'fferential
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- 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
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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
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- 145 - ment of the subthreshold fi
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- 147 - have been performed on natu
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Eo(eV) 23.22 42.28 32.13 57.11 61.8
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- 151' - Table IV 1 77 Spin assignm
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- 153 - homogeneity of the layers.
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- 155 - The configuration of the IB
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- 157 - 4.2.4. Corrections for Meas
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- 159 - 4-.4-.5. Random Digital Wor
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- 161 - 5.3. Determination of Nucle
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- 163 - acid have been distributed
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- 165 - ratories in the European Co
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- 167 - MIGNECO, E., THEOBALD, J.,
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- 169 - 28. SPERNOL, A., The intern
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- 171. - XXIII. SECTION DES MESURES
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- 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
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- 181 - J. E. KAKSON et H. THOMAS,
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- 183 - de VYNS de 50/ug/cm ¿ d'é
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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
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- 191 - lonner, pour différentes
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- 193 - GROUPE DES REACTIONS PHOTON
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REFERENCES : - i$5 - ( 1) C. SIGNAR
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Ni 61 tttitttttttt I (HfV) r- *i IM
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300- 250- ?00- •0 c* A « (M Mo
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oc os ai as- 67. 01 A Mesures ( f
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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
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REFERENCES - £09 - (1) J. MORGENST
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Meyau «tudii S, V »H» "Co "cu «
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R* -213- 19 4eV 11,8 eV Ey ; 6520 K
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- 215 - XXV. SECTIONS DE MESURAS. J
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- 217 - 2.2. .Etude, de la réactio
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- 219 - On y voit les protons de re
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- 22l - ... résonnance J = *, F =1
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Référencer : - 223 - (1) - J. Jou
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Figure 1k • *%«*, = 90 '' ¡ÛE
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- 233 - XXVI. SERVICE DE' PHYSIQUE
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R E F E R E N C E S - 235 - (1) G.
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N 300 200 100 D ( r., p ) n n En=U,
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