Fine structure of the Gamow-Teller resonance in Nb90 and level density of 1+ states

Y. Kalmykov; T. Adachi; G. P.A. Berg; H. Fujita; K. Fujita; Y. Fujita; K. Hatanaka; J. Kamiya; K. Nakanishi; P. Von Neumann-Cosel; V. Yu Ponomarev; A. Richter; N. Sakamoto; Y. Sakemi; A. Shevchenko; Y. Shimbara; Y. Shimizu; F. D. Smit; T. Wakasa; J. Wambach; M. Yosoi

doi:10.1103/PhysRevLett.96.012502

Fine structure of the Gamow-Teller resonance in Nb90 and level density of 1+ states

Y. Kalmykov, T. Adachi, G. P.A. Berg, H. Fujita, K. Fujita, Y. Fujita, K. Hatanaka, J. Kamiya, K. Nakanishi, P. Von Neumann-Cosel, V. Yu Ponomarev, A. Richter, N. Sakamoto, Y. Sakemi, A. Shevchenko, Y. Shimbara, Y. Shimizu, F. D. Smit, T. Wakasa, J. WambachM. Yosoi

Experimental Particle Physics

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

67 Citations (Scopus)

Abstract

The fine structure of the Gamow-Teller resonance in a medium-heavy nucleus is observed for the first time in a high-resolution Zr90(He3,t)Nb90 experiment at the Research Center for Nuclear Physics, Osaka. Using a novel wavelet analysis technique, it is possible to extract characteristic energy scales and to quantify their relative importance for the generation of the fine structure. This method combined with the selectivity of the reaction permits an extraction of the level density of 1+ states in Nb90.

Original language	English
Article number	012502
Journal	Physical review letters
Volume	96
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.96.012502
Publication status	Published - Jan 13 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.96.012502

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Kalmykov, Y., Adachi, T., Berg, G. P. A., Fujita, H., Fujita, K., Fujita, Y., Hatanaka, K., Kamiya, J., Nakanishi, K., Von Neumann-Cosel, P., Ponomarev, V. Y., Richter, A., Sakamoto, N., Sakemi, Y., Shevchenko, A., Shimbara, Y., Shimizu, Y., Smit, F. D., Wakasa, T., ... Yosoi, M. (2006). Fine structure of the Gamow-Teller resonance in Nb90 and level density of 1+ states. Physical review letters, 96(1), Article 012502. https://doi.org/10.1103/PhysRevLett.96.012502

Kalmykov, Y, Adachi, T, Berg, GPA, Fujita, H, Fujita, K, Fujita, Y, Hatanaka, K, Kamiya, J, Nakanishi, K, Von Neumann-Cosel, P, Ponomarev, VY, Richter, A, Sakamoto, N, Sakemi, Y, Shevchenko, A, Shimbara, Y, Shimizu, Y, Smit, FD, Wakasa, T, Wambach, J & Yosoi, M 2006, 'Fine structure of the Gamow-Teller resonance in Nb90 and level density of 1+ states', Physical review letters, vol. 96, no. 1, 012502. https://doi.org/10.1103/PhysRevLett.96.012502

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abstract = "The fine structure of the Gamow-Teller resonance in a medium-heavy nucleus is observed for the first time in a high-resolution Zr90(He3,t)Nb90 experiment at the Research Center for Nuclear Physics, Osaka. Using a novel wavelet analysis technique, it is possible to extract characteristic energy scales and to quantify their relative importance for the generation of the fine structure. This method combined with the selectivity of the reaction permits an extraction of the level density of 1+ states in Nb90.",

author = "Y. Kalmykov and T. Adachi and Berg, {G. P.A.} and H. Fujita and K. Fujita and Y. Fujita and K. Hatanaka and J. Kamiya and K. Nakanishi and {Von Neumann-Cosel}, P. and Ponomarev, {V. Yu} and A. Richter and N. Sakamoto and Y. Sakemi and A. Shevchenko and Y. Shimbara and Y. Shimizu and Smit, {F. D.} and T. Wakasa and J. Wambach and M. Yosoi",

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AU - Kalmykov, Y.

AU - Adachi, T.

AU - Berg, G. P.A.

AU - Fujita, H.

AU - Fujita, K.

AU - Fujita, Y.

AU - Hatanaka, K.

AU - Kamiya, J.

AU - Nakanishi, K.

AU - Von Neumann-Cosel, P.

AU - Ponomarev, V. Yu

AU - Richter, A.

AU - Sakamoto, N.

AU - Sakemi, Y.

AU - Shevchenko, A.

AU - Shimbara, Y.

AU - Shimizu, Y.

AU - Smit, F. D.

AU - Wakasa, T.

AU - Wambach, J.

AU - Yosoi, M.

PY - 2006/1/13

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Fine structure of the Gamow-Teller resonance in Nb90 and level density of 1+ states

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