Observation of a two-proton halo in 17Ne

R. Kanungo; M. Chiba; B. Abu-Ibrahim; S. Adhikari; D. Q. Fang; N. Iwasa; K. Kimura; K. Maeda; S. Nishimura; T. Ohnishi; A. Ozawa; C. Samanta; T. Suda; T. Suzuki; Q. Wang; C. Wu; Y. Yamaguchi; K. Yamada; A. Yoshida; T. Zheng; I. Tanihata

doi:10.1140/epjad/i2005-06-184-y

Observation of a two-proton halo in ¹⁷Ne

R. Kanungo, M. Chiba, B. Abu-Ibrahim, S. Adhikari, D. Q. Fang, N. Iwasa, K. Kimura, K. Maeda, S. Nishimura, T. Ohnishi, A. Ozawa, C. Samanta, T. Suda, T. Suzuki, Q. Wang, C. Wu, Y. Yamaguchi, K. Yamada, A. Yoshida, T. ZhengI. Tanihata

SCI - Physics

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

8 Citations (Scopus)

Abstract

The measurement of longitudinal momentum distribution for two-proton removal from the proton-drip line nucleus ¹⁷Ne with a Be target at 64 A MeV is reported. The observed narrow momentum distribution and the large interaction cross-section suggests the formation of a two-proton halo. The data analyzed within the Few-body Glauber model suggests a significant probability of the two valence protons to abnormally occupy the 2s _1/2 orbit, indicating its lowering in proton-rich nuclei.

Original language	English
Pages (from-to)	327-330
Number of pages	4
Journal	European Physical Journal A
Volume	25
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1140/epjad/i2005-06-184-y
Publication status	Published - 2005 Sep 1

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Kanungo, R., Chiba, M., Abu-Ibrahim, B., Adhikari, S., Fang, D. Q., Iwasa, N., Kimura, K., Maeda, K., Nishimura, S., Ohnishi, T., Ozawa, A., Samanta, C., Suda, T., Suzuki, T., Wang, Q., Wu, C., Yamaguchi, Y., Yamada, K., Yoshida, A., ... Tanihata, I. (2005). Observation of a two-proton halo in ¹⁷Ne. European Physical Journal A, 25(SUPPL. 1), 327-330. https://doi.org/10.1140/epjad/i2005-06-184-y

Observation of a two-proton halo in ¹⁷Ne. / Kanungo, R.; Chiba, M.; Abu-Ibrahim, B.; Adhikari, S.; Fang, D. Q.; Iwasa, N.; Kimura, K.; Maeda, K.; Nishimura, S.; Ohnishi, T.; Ozawa, A.; Samanta, C.; Suda, T.; Suzuki, T.; Wang, Q.; Wu, C.; Yamaguchi, Y.; Yamada, K.; Yoshida, A.; Zheng, T.; Tanihata, I.

In: European Physical Journal A, Vol. 25, No. SUPPL. 1, 01.09.2005, p. 327-330.

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

Kanungo, R, Chiba, M, Abu-Ibrahim, B, Adhikari, S, Fang, DQ, Iwasa, N, Kimura, K, Maeda, K, Nishimura, S, Ohnishi, T, Ozawa, A, Samanta, C, Suda, T, Suzuki, T, Wang, Q, Wu, C, Yamaguchi, Y, Yamada, K, Yoshida, A, Zheng, T & Tanihata, I 2005, 'Observation of a two-proton halo in ¹⁷Ne', European Physical Journal A, vol. 25, no. SUPPL. 1, pp. 327-330. https://doi.org/10.1140/epjad/i2005-06-184-y

Kanungo, R. ; Chiba, M. ; Abu-Ibrahim, B. ; Adhikari, S. ; Fang, D. Q. ; Iwasa, N. ; Kimura, K. ; Maeda, K. ; Nishimura, S. ; Ohnishi, T. ; Ozawa, A. ; Samanta, C. ; Suda, T. ; Suzuki, T. ; Wang, Q. ; Wu, C. ; Yamaguchi, Y. ; Yamada, K. ; Yoshida, A. ; Zheng, T. ; Tanihata, I. / Observation of a two-proton halo in ¹⁷Ne. In: European Physical Journal A. 2005 ; Vol. 25, No. SUPPL. 1. pp. 327-330.

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abstract = "The measurement of longitudinal momentum distribution for two-proton removal from the proton-drip line nucleus 17Ne with a Be target at 64 A MeV is reported. The observed narrow momentum distribution and the large interaction cross-section suggests the formation of a two-proton halo. The data analyzed within the Few-body Glauber model suggests a significant probability of the two valence protons to abnormally occupy the 2s 1/2 orbit, indicating its lowering in proton-rich nuclei.",

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T1 - Observation of a two-proton halo in 17Ne

AU - Kanungo, R.

AU - Chiba, M.

AU - Abu-Ibrahim, B.

AU - Adhikari, S.

AU - Fang, D. Q.

AU - Iwasa, N.

AU - Kimura, K.

AU - Maeda, K.

AU - Nishimura, S.

AU - Ohnishi, T.

AU - Ozawa, A.

AU - Samanta, C.

AU - Suda, T.

AU - Suzuki, T.

AU - Wang, Q.

AU - Wu, C.

AU - Yamaguchi, Y.

AU - Yamada, K.

AU - Yoshida, A.

AU - Zheng, T.

AU - Tanihata, I.

PY - 2005/9/1

Y1 - 2005/9/1

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AB - The measurement of longitudinal momentum distribution for two-proton removal from the proton-drip line nucleus 17Ne with a Be target at 64 A MeV is reported. The observed narrow momentum distribution and the large interaction cross-section suggests the formation of a two-proton halo. The data analyzed within the Few-body Glauber model suggests a significant probability of the two valence protons to abnormally occupy the 2s 1/2 orbit, indicating its lowering in proton-rich nuclei.

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