Density distribution of17B from a reaction cross-section measurement

Y. Yamaguchi; C. Wu; T. Suzuki; A. Ozawa; D. Q. Fang; M. Fukuda; N. Iwasa; T. Izumikawa; H. Jeppesen; R. Kanungo; R. Koyama; T. Ohnishi; T. Ohtsubo; W. Shinozaki; T. Suda; M. Takahashi; I. Tanihata

doi:10.1103/PhysRevC.70.054320

Density distribution of¹⁷B from a reaction cross-section measurement

Y. Yamaguchi, C. Wu, T. Suzuki, A. Ozawa, D. Q. Fang, M. Fukuda, N. Iwasa, T. Izumikawa, H. Jeppesen, R. Kanungo, R. Koyama, T. Ohnishi, T. Ohtsubo, W. Shinozaki, T. Suda, M. Takahashi, I. Tanihata

SCI - Physics

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Abstract

The reaction cross section (σ_R) for the neutron-rich nucleus ¹⁷B on a carbon target has been measured at an energy of 77A MeV by the transmission method. An enhancement of σ_R at intermediate energy compared to that at high energy was observed. The density distribution of ¹⁷B was deduced through the energy dependence of σ_R using a finite-range Glauber-type calculation under an optical-limit approximation as well as a few-body approach. The existence of a long neutron tail in ¹⁷B was demonstrated. The fraction of the wave function with the valence two-neutron configuration of (2s_1/2) _J=0² or (1d_5/2)_J=0² was found to be 50 ± 10% based on a finiterange few-body Glauber-type calculation.

Original language	English
Article number	054320
Pages (from-to)	054320-1-054320-6
Journal	Physical Review C - Nuclear Physics
Volume	70
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.70.054320
Publication status	Published - 2004 Nov

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.70.054320

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Yamaguchi, Y., Wu, C., Suzuki, T., Ozawa, A., Fang, D. Q., Fukuda, M., Iwasa, N., Izumikawa, T., Jeppesen, H., Kanungo, R., Koyama, R., Ohnishi, T., Ohtsubo, T., Shinozaki, W., Suda, T., Takahashi, M., & Tanihata, I. (2004). Density distribution of¹⁷B from a reaction cross-section measurement. Physical Review C - Nuclear Physics, 70(5), 054320-1-054320-6. [054320]. https://doi.org/10.1103/PhysRevC.70.054320

Yamaguchi, Y, Wu, C, Suzuki, T, Ozawa, A, Fang, DQ, Fukuda, M, Iwasa, N, Izumikawa, T, Jeppesen, H, Kanungo, R, Koyama, R, Ohnishi, T, Ohtsubo, T, Shinozaki, W, Suda, T, Takahashi, M & Tanihata, I 2004, 'Density distribution of¹⁷B from a reaction cross-section measurement', Physical Review C - Nuclear Physics, vol. 70, no. 5, 054320, pp. 054320-1-054320-6. https://doi.org/10.1103/PhysRevC.70.054320

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title = "Density distribution of17B from a reaction cross-section measurement",

abstract = "The reaction cross section (σR) for the neutron-rich nucleus 17B on a carbon target has been measured at an energy of 77A MeV by the transmission method. An enhancement of σR at intermediate energy compared to that at high energy was observed. The density distribution of 17B was deduced through the energy dependence of σR using a finite-range Glauber-type calculation under an optical-limit approximation as well as a few-body approach. The existence of a long neutron tail in 17B was demonstrated. The fraction of the wave function with the valence two-neutron configuration of (2s1/2) J=02 or (1d5/2)J=02 was found to be 50 ± 10% based on a finiterange few-body Glauber-type calculation.",

author = "Y. Yamaguchi and C. Wu and T. Suzuki and A. Ozawa and Fang, {D. Q.} and M. Fukuda and N. Iwasa and T. Izumikawa and H. Jeppesen and R. Kanungo and R. Koyama and T. Ohnishi and T. Ohtsubo and W. Shinozaki and T. Suda and M. Takahashi and I. Tanihata",

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doi = "10.1103/PhysRevC.70.054320",

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AU - Yamaguchi, Y.

AU - Wu, C.

AU - Suzuki, T.

AU - Ozawa, A.

AU - Fang, D. Q.

AU - Fukuda, M.

AU - Iwasa, N.

AU - Izumikawa, T.

AU - Jeppesen, H.

AU - Kanungo, R.

AU - Koyama, R.

AU - Ohnishi, T.

AU - Ohtsubo, T.

AU - Shinozaki, W.

AU - Suda, T.

AU - Takahashi, M.

AU - Tanihata, I.

PY - 2004/11

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N2 - The reaction cross section (σR) for the neutron-rich nucleus 17B on a carbon target has been measured at an energy of 77A MeV by the transmission method. An enhancement of σR at intermediate energy compared to that at high energy was observed. The density distribution of 17B was deduced through the energy dependence of σR using a finite-range Glauber-type calculation under an optical-limit approximation as well as a few-body approach. The existence of a long neutron tail in 17B was demonstrated. The fraction of the wave function with the valence two-neutron configuration of (2s1/2) J=02 or (1d5/2)J=02 was found to be 50 ± 10% based on a finiterange few-body Glauber-type calculation.

AB - The reaction cross section (σR) for the neutron-rich nucleus 17B on a carbon target has been measured at an energy of 77A MeV by the transmission method. An enhancement of σR at intermediate energy compared to that at high energy was observed. The density distribution of 17B was deduced through the energy dependence of σR using a finite-range Glauber-type calculation under an optical-limit approximation as well as a few-body approach. The existence of a long neutron tail in 17B was demonstrated. The fraction of the wave function with the valence two-neutron configuration of (2s1/2) J=02 or (1d5/2)J=02 was found to be 50 ± 10% based on a finiterange few-body Glauber-type calculation.

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Density distribution of¹⁷B from a reaction cross-section measurement

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