Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions

S. Leoni; G. Benzoni; N. Blasi; A. Bracco; S. Brambilla; F. Camera; A. Corsi; F. C.L. Crespi; P. Mason; B. Million; D. Montanari; M. Pignanelli; E. Vigezzi; O. Wieland; M. Matsuo; Y. R. Shimizu; D. Curien; G. Duchêne; J. Robin; P. Bednarczyk; M. Castoldi; B. Herskind; M. Kmiecik; A. Maj; W. Meczynski; J. Styczen; M. Zieblinski; K. Zuber; A. Zucchiatti

doi:10.1103/PhysRevLett.101.142502

Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions

S. Leoni, G. Benzoni, N. Blasi, A. Bracco, S. Brambilla, F. Camera, A. Corsi, F. C.L. Crespi, P. Mason, B. Million, D. Montanari, M. Pignanelli, E. Vigezzi, O. Wieland, M. Matsuo, Y. R. Shimizu, D. Curien, G. Duchêne, J. Robin, P. BednarczykM. Castoldi, B. Herskind, M. Kmiecik, A. Maj, W. Meczynski, J. Styczen, M. Zieblinski, K. Zuber, A. Zucchiatti

Experimental Particle Physics

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14 Citations (Scopus)

Abstract

The γ decay associated with the warm rotation of the superdeformed nuclei Tb151 and Pb196 has been measured with the EUROBALL IV array. Several independent quantities provide a stringent test of the population and decay dynamics in the superdeformed well. A Monte Carlo simulation of the γ decay based on microscopic calculations gives remarkable agreement with the data only assuming a large enhancement of the B(E1) strength for 1-2 MeV γ rays, which may be related to the evidence for octupole vibrations in both mass regions.

Original language	English
Article number	142502
Journal	Physical review letters
Volume	101
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.101.142502
Publication status	Published - Sep 30 2008

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.101.142502

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Leoni, S., Benzoni, G., Blasi, N., Bracco, A., Brambilla, S., Camera, F., Corsi, A., Crespi, F. C. L., Mason, P., Million, B., Montanari, D., Pignanelli, M., Vigezzi, E., Wieland, O., Matsuo, M., Shimizu, Y. R., Curien, D., Duchêne, G., Robin, J., ... Zucchiatti, A. (2008). Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions. Physical review letters, 101(14), [142502]. https://doi.org/10.1103/PhysRevLett.101.142502

Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions. / Leoni, S.; Benzoni, G.; Blasi, N.; Bracco, A.; Brambilla, S.; Camera, F.; Corsi, A.; Crespi, F. C.L.; Mason, P.; Million, B.; Montanari, D.; Pignanelli, M.; Vigezzi, E.; Wieland, O.; Matsuo, M.; Shimizu, Y. R.; Curien, D.; Duchêne, G.; Robin, J.; Bednarczyk, P.; Castoldi, M.; Herskind, B.; Kmiecik, M.; Maj, A.; Meczynski, W.; Styczen, J.; Zieblinski, M.; Zuber, K.; Zucchiatti, A.

In: Physical review letters, Vol. 101, No. 14, 142502, 30.09.2008.

Research output: Contribution to journal › Article › peer-review

Leoni, S, Benzoni, G, Blasi, N, Bracco, A, Brambilla, S, Camera, F, Corsi, A, Crespi, FCL, Mason, P, Million, B, Montanari, D, Pignanelli, M, Vigezzi, E, Wieland, O, Matsuo, M, Shimizu, YR, Curien, D, Duchêne, G, Robin, J, Bednarczyk, P, Castoldi, M, Herskind, B, Kmiecik, M, Maj, A, Meczynski, W, Styczen, J, Zieblinski, M, Zuber, K & Zucchiatti, A 2008, 'Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions', Physical review letters, vol. 101, no. 14, 142502. https://doi.org/10.1103/PhysRevLett.101.142502

Leoni, S. ; Benzoni, G. ; Blasi, N. ; Bracco, A. ; Brambilla, S. ; Camera, F. ; Corsi, A. ; Crespi, F. C.L. ; Mason, P. ; Million, B. ; Montanari, D. ; Pignanelli, M. ; Vigezzi, E. ; Wieland, O. ; Matsuo, M. ; Shimizu, Y. R. ; Curien, D. ; Duchêne, G. ; Robin, J. ; Bednarczyk, P. ; Castoldi, M. ; Herskind, B. ; Kmiecik, M. ; Maj, A. ; Meczynski, W. ; Styczen, J. ; Zieblinski, M. ; Zuber, K. ; Zucchiatti, A. / Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions. In: Physical review letters. 2008 ; Vol. 101, No. 14.

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abstract = "The γ decay associated with the warm rotation of the superdeformed nuclei Tb151 and Pb196 has been measured with the EUROBALL IV array. Several independent quantities provide a stringent test of the population and decay dynamics in the superdeformed well. A Monte Carlo simulation of the γ decay based on microscopic calculations gives remarkable agreement with the data only assuming a large enhancement of the B(E1) strength for 1-2 MeV γ rays, which may be related to the evidence for octupole vibrations in both mass regions.",

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AU - Leoni, S.

AU - Benzoni, G.

AU - Blasi, N.

AU - Bracco, A.

AU - Brambilla, S.

AU - Camera, F.

AU - Corsi, A.

AU - Crespi, F. C.L.

AU - Mason, P.

AU - Million, B.

AU - Montanari, D.

AU - Pignanelli, M.

AU - Vigezzi, E.

AU - Wieland, O.

AU - Matsuo, M.

AU - Shimizu, Y. R.

AU - Curien, D.

AU - Duchêne, G.

AU - Robin, J.

AU - Bednarczyk, P.

AU - Castoldi, M.

AU - Herskind, B.

AU - Kmiecik, M.

AU - Maj, A.

AU - Meczynski, W.

AU - Styczen, J.

AU - Zieblinski, M.

AU - Zuber, K.

AU - Zucchiatti, A.

PY - 2008/9/30

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Probing the order-to-chaos region in superdeformed Tb151 and Pb196 nuclei with continuum γ transitions

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