The hyperdeformed ridge structure recently observed in the reaction of 187 MeV Cl-37 on Sn-120 has been confirmed in a new proton-gamma coincidence experiment at the GASP spectrometer and assigned to the nucleus Dy-152. Proton spectra have been measured in coincidence with gamma-rays belongings to the different structures in Dy-152 (oblate, prolate, super- and hyper-deformed). The deformation of the final evaporation residue affects only weakly the proton evaporation from the compound nucleus. Evidence has been found that the energy of the protons in coincidence with the hyperdeformed structure is larger than expected. This effect is discussed in the framework of the fission-evaporation competition.

Proton Spectra In Coincidence With Super-deformed and Hyper-deformed Structures In Dy-152 / M., Lunardon; G., Viesti; D., Bazzacco; R., Burch; D., Fabris; S., Lunardi; N., Medina; G., Nebbia; C., ROSSI ALVAREZ; G., de ANGELIS; M., Depoli; E., Fioretto; G., Prete; J., Rico; P., Spolaore; G., Vedovato; Brondi, Augusto; LA RANA, Giovanni; Moro, RENATA EMILIA MARIA; Vardaci, Emanuele. - In: NUCLEAR PHYSICS. A. - ISSN 0375-9474. - STAMPA. - 583:(1995), pp. 215-220. [10.1016/0375-9474(94)00661-6]

Proton Spectra In Coincidence With Super-deformed and Hyper-deformed Structures In Dy-152

BRONDI, AUGUSTO;LA RANA, GIOVANNI;MORO, RENATA EMILIA MARIA;VARDACI, EMANUELE
1995

Abstract

The hyperdeformed ridge structure recently observed in the reaction of 187 MeV Cl-37 on Sn-120 has been confirmed in a new proton-gamma coincidence experiment at the GASP spectrometer and assigned to the nucleus Dy-152. Proton spectra have been measured in coincidence with gamma-rays belongings to the different structures in Dy-152 (oblate, prolate, super- and hyper-deformed). The deformation of the final evaporation residue affects only weakly the proton evaporation from the compound nucleus. Evidence has been found that the energy of the protons in coincidence with the hyperdeformed structure is larger than expected. This effect is discussed in the framework of the fission-evaporation competition.
1995
Proton Spectra In Coincidence With Super-deformed and Hyper-deformed Structures In Dy-152 / M., Lunardon; G., Viesti; D., Bazzacco; R., Burch; D., Fabris; S., Lunardi; N., Medina; G., Nebbia; C., ROSSI ALVAREZ; G., de ANGELIS; M., Depoli; E., Fioretto; G., Prete; J., Rico; P., Spolaore; G., Vedovato; Brondi, Augusto; LA RANA, Giovanni; Moro, RENATA EMILIA MARIA; Vardaci, Emanuele. - In: NUCLEAR PHYSICS. A. - ISSN 0375-9474. - STAMPA. - 583:(1995), pp. 215-220. [10.1016/0375-9474(94)00661-6]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/466542
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