Examining the exotic structure of the proton-rich nucleus Al23

D. Q. Fang; W. Guo; C. W. Ma; K. Wang; T. Z. Yan; Y. G. Ma; X. Z. Cai; W. Q. Shen; Z. Z. Ren; Z. Y. Sun; J. G. Chen; W. D. Tian; C. Zhong; M. Hosoi; T. Izumikawa; R. Kanungo; S. Nakajima; T. Ohnishi; T. Ohtsubo; A. Ozawa; T. Suda; K. Sugawara; T. Suzuki; A. Takisawa; K. Tanaka; T. Yamaguchi; I. Tanihata

doi:10.1103/PhysRevC.76.031601

Examining the exotic structure of the proton-rich nucleus Al23

D. Q. Fang, W. Guo, C. W. Ma, K. Wang, T. Z. Yan, Y. G. Ma, X. Z. Cai, W. Q. Shen, Z. Z. Ren, Z. Y. Sun, J. G. Chen, W. D. Tian, C. Zhong, M. Hosoi, T. Izumikawa, R. Kanungo, S. Nakajima, T. Ohnishi, T. Ohtsubo, A. OzawaT. Suda, K. Sugawara, T. Suzuki, A. Takisawa, K. Tanaka, T. Yamaguchi, I. Tanihata

研究成果: Article › 査読

30 被引用数 (Scopus)

抄録

The longitudinal momentum distribution (P//) of fragments after one-proton removal from Al23 and reaction cross sections (σR) for Al23,24 on a carbon target at 74A MeV have been measured. The Al23,24 ions were produced through projectile fragmentation of 135A MeV Si28 primary beam using the RIPS fragment separator at RIKEN. P// is measured by a direct time-of-flight (TOF) technique, while σR is determined using a transmission method. An enhancement in σR is observed for Al23 compared with Al24. The P// for Mg22 fragments from Al23 breakup has been obtained for the first time. FWHM of the distributions has been determined to be 232 ± 28 MeV/c. The experimental data are discussed by using the Few-Body Glauber model. Analysis of P// demonstrates a dominant d-wave configuration for the valence proton in ground state of Al23, indicating that Al23 is not a proton halo nucleus.

本文言語	English
論文番号	031601
ジャーナル	Physical Review C - Nuclear Physics
巻	76
号	3
DOI	https://doi.org/10.1103/PhysRevC.76.031601
出版ステータス	Published - 2007 9月 5
外部発表	はい

ASJC Scopus subject areas

核物理学および高エネルギー物理学

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Fang, D. Q., Guo, W., Ma, C. W., Wang, K., Yan, T. Z., Ma, Y. G., Cai, X. Z., Shen, W. Q., Ren, Z. Z., Sun, Z. Y., Chen, J. G., Tian, W. D., Zhong, C., Hosoi, M., Izumikawa, T., Kanungo, R., Nakajima, S., Ohnishi, T., Ohtsubo, T., ... Tanihata, I. (2007). Examining the exotic structure of the proton-rich nucleus Al23. Physical Review C - Nuclear Physics, 76(3), [031601]. https://doi.org/10.1103/PhysRevC.76.031601

Fang, DQ, Guo, W, Ma, CW, Wang, K, Yan, TZ, Ma, YG, Cai, XZ, Shen, WQ, Ren, ZZ, Sun, ZY, Chen, JG, Tian, WD, Zhong, C, Hosoi, M, Izumikawa, T, Kanungo, R, Nakajima, S, Ohnishi, T, Ohtsubo, T, Ozawa, A, Suda, T, Sugawara, K, Suzuki, T, Takisawa, A, Tanaka, K, Yamaguchi, T & Tanihata, I 2007, 'Examining the exotic structure of the proton-rich nucleus Al23', Physical Review C - Nuclear Physics, vol. 76, no. 3, 031601. https://doi.org/10.1103/PhysRevC.76.031601

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title = "Examining the exotic structure of the proton-rich nucleus Al23",

abstract = "The longitudinal momentum distribution (P//) of fragments after one-proton removal from Al23 and reaction cross sections (σR) for Al23,24 on a carbon target at 74A MeV have been measured. The Al23,24 ions were produced through projectile fragmentation of 135A MeV Si28 primary beam using the RIPS fragment separator at RIKEN. P// is measured by a direct time-of-flight (TOF) technique, while σR is determined using a transmission method. An enhancement in σR is observed for Al23 compared with Al24. The P// for Mg22 fragments from Al23 breakup has been obtained for the first time. FWHM of the distributions has been determined to be 232 ± 28 MeV/c. The experimental data are discussed by using the Few-Body Glauber model. Analysis of P// demonstrates a dominant d-wave configuration for the valence proton in ground state of Al23, indicating that Al23 is not a proton halo nucleus.",

author = "Fang, {D. Q.} and W. Guo and Ma, {C. W.} and K. Wang and Yan, {T. Z.} and Ma, {Y. G.} and Cai, {X. Z.} and Shen, {W. Q.} and Ren, {Z. Z.} and Sun, {Z. Y.} and Chen, {J. G.} and Tian, {W. D.} and C. Zhong and M. Hosoi and T. Izumikawa and R. Kanungo and S. Nakajima and T. Ohnishi and T. Ohtsubo and A. Ozawa and T. Suda and K. Sugawara and T. Suzuki and A. Takisawa and K. Tanaka and T. Yamaguchi and I. Tanihata",

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AU - Fang, D. Q.

AU - Guo, W.

AU - Ma, C. W.

AU - Wang, K.

AU - Yan, T. Z.

AU - Ma, Y. G.

AU - Cai, X. Z.

AU - Shen, W. Q.

AU - Ren, Z. Z.

AU - Sun, Z. Y.

AU - Chen, J. G.

AU - Tian, W. D.

AU - Zhong, C.

AU - Hosoi, M.

AU - Izumikawa, T.

AU - Kanungo, R.

AU - Nakajima, S.

AU - Ohnishi, T.

AU - Ohtsubo, T.

AU - Ozawa, A.

AU - Suda, T.

AU - Sugawara, K.

AU - Suzuki, T.

AU - Takisawa, A.

AU - Tanaka, K.

AU - Yamaguchi, T.

AU - Tanihata, I.

PY - 2007/9/5

Y1 - 2007/9/5

N2 - The longitudinal momentum distribution (P//) of fragments after one-proton removal from Al23 and reaction cross sections (σR) for Al23,24 on a carbon target at 74A MeV have been measured. The Al23,24 ions were produced through projectile fragmentation of 135A MeV Si28 primary beam using the RIPS fragment separator at RIKEN. P// is measured by a direct time-of-flight (TOF) technique, while σR is determined using a transmission method. An enhancement in σR is observed for Al23 compared with Al24. The P// for Mg22 fragments from Al23 breakup has been obtained for the first time. FWHM of the distributions has been determined to be 232 ± 28 MeV/c. The experimental data are discussed by using the Few-Body Glauber model. Analysis of P// demonstrates a dominant d-wave configuration for the valence proton in ground state of Al23, indicating that Al23 is not a proton halo nucleus.

AB - The longitudinal momentum distribution (P//) of fragments after one-proton removal from Al23 and reaction cross sections (σR) for Al23,24 on a carbon target at 74A MeV have been measured. The Al23,24 ions were produced through projectile fragmentation of 135A MeV Si28 primary beam using the RIPS fragment separator at RIKEN. P// is measured by a direct time-of-flight (TOF) technique, while σR is determined using a transmission method. An enhancement in σR is observed for Al23 compared with Al24. The P// for Mg22 fragments from Al23 breakup has been obtained for the first time. FWHM of the distributions has been determined to be 232 ± 28 MeV/c. The experimental data are discussed by using the Few-Body Glauber model. Analysis of P// demonstrates a dominant d-wave configuration for the valence proton in ground state of Al23, indicating that Al23 is not a proton halo nucleus.

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Examining the exotic structure of the proton-rich nucleus Al23

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