Doppler Shift Study Of Gamma-rays From The Reaction 82(se Lixny)

If heay ions react with nuclei, they can be excited to high spin states. This excitation thenrnusual~' is followed by an emission of a few nucleons and ganuna-ravs. The gamma-linesrnIi'om this hea.y-ion nuclear reaction undergo Doppler shiH because the nuclei produced inrnthe reaction experience a recoil which is capable of incurring a shift on the lines. To studyrnthis reature of gamma lines, which is often done in hea·y-ion gatmna-ray works. especiallyrnin lltctime measurements of nuclear excited states. an analysis of ganuna-spectra hom thernreadion SlSe ( - Li ,xn'{ ) measured at 35'" 31', 90°, I·n° and 1450 with respect to the beamrn( , ( '{ "( ( [ , ( ,rndirection has been done. The energy or t1e, "I.i :ion :b('dill uSIOd, w .. ", 3.5' Me(. ,Hoth thern("c, ( '" ({ '-:: '" '''' ;". ''''. 'rnanalysis energies and intensities of the' gan·,mi-lraHsiti')n~ '.i!'eobtaiiied; TIie' 90° spc

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