ENHANCED NUCLEAR RESONANCE SCATTERING IN DYNAMICAL DIFFRACTION OF GAMMA-RAYS

(1)

HAL Id: jpa-00219673

https://hal.archives-ouvertes.fr/jpa-00219673

Submitted on 1 Jan 1980

HAL

is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.

L’archive ouverte pluridisciplinaire

HAL, est

destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

ENHANCED NUCLEAR RESONANCE

SCATTERING IN DYNAMICAL DIFFRACTION OF GAMMA-RAYS

U. van Bürck, George Smirnov, R. Mössbauer, H. Maurus, N. Semioschkina

To cite this version:

U. van Bürck, George Smirnov, R. Mössbauer, H. Maurus, N. Semioschkina. ENHANCED NUCLEAR

RESONANCE SCATTERING IN DYNAMICAL DIFFRACTION OF GAMMA-RAYS. Journal de

Physique Colloques, 1980, 41 (C1), pp.C1-469-C1-469. �10.1051/jphyscol:19801184�. �jpa-00219673�

(2)

JOURNAL DE PHYSIQUE Colloque Cl

,

supplPment au n ^O1 , Tome 41, janvier 1980, page Cl-469

ENHANCED NUCLEAR RESONANCE SCATJERING IN DYNAMICAL DIFFRACTION OF W - R A Y S ⁺

U . Van Biirck, G . V . smirnovx, R . L . M6ssbauer, H. J . Maurus and N . A . semioschkinaX

Physik Department E 15 der Technischen Universittft Mlinchen,James Franck StzyBe, 0-8046 Garching, Fed. Rep. G e m n y .

x I . V. Kurchatov-Institute of Atomic Energy, Moscow, USSR.

A b s t r a c t

-

^Thea n p l a r znd e n e r g y depen3ence o f t h e cyn3mical d L f f r 3 c 5 i a n of g s s n a - r a y s i n Bragg geometry was s t u a i s d e x 3 e r i n e n t a l l y . X s s s b a u e r s ? e c t r a of gaama-quants & i f -

c.7,

f r a c t e d by a ? u r e m ~ c l e s r Bragg r e f l e c t i o n of a n e a r i y g c r f o c t ' reB03 s i c g l e c r y s t a l were a e a s c e d w i t h h i g h a n g u l a r r e s o l u t i o n . I n the s;?ectrun? t a k e n a t e x a c t Bragg p o s i - t i o n v e r y b r o a d h y p ? r f i n e r e s o n a n c e p e a k s were o b s e r v e d . Ir, t h e s p e c t r a J u s t above and below t h e Bragg a n g l e t h e r e f l e c t i o n n e s k s were s h i f t e d t o e n e r s r p o s i t i o n s above and below r e s o n a n c e . The r e s u l t s z r e i n t e q ~ e t e d by 2 e a n s o f t h e d m a n i c a l t h e o r y and com- p a r e d x i t h computer c a l c u l a t i o n s .

+ T h e p a > e r i s t o be p u b l i s h e d i n 2 . F c y s . 8.

Article published online by EDP Sciences and available at http://dx.doi.org/10.1051/jphyscol:19801184