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Interaction cross section study of the two-neutron halo nucleus 22C

Togano, Y, Nakamura, T, Kondo, Y, Tostevin, JA, Saito, AT, Gibelin, J, Orr, NA, Achouri, NL, Aumann, T, Baba, H, Delaunay, F, Doornenbal, P, Fukuda, N, Hwang, J, Inabe, N, Isobe, T, Kameda, D, Kanno, D, Kim, S, Kobayashi, N, Kobayashi, T, Kubo, T, Leblond, S, Lee, J, Marques, FM, Minakata, R, Motobayashi, T, Murai, D, Murakami, T, Muto, K, Nakashima, T, Nakatsuka, N, Navin, A, Nishi, S, Ogoshi, S, Otsu, H, Sato, H, Satou, Y, Shimizu, Y, Suzuki, H, Takahashi, K, Takeda, H, Takeuchi, S, Tanaka, R, Tuff, AG, Vandebrouck, M and Yoneda, K (2017) Interaction cross section study of the two-neutron halo nucleus 22C Physics Letters B, 761. pp. 412-418.

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Abstract

The interaction cross sections (σI ) of the very neutron-rich carbon isotopes 19C, 20C and 22C have been measured on a carbon target at 307, 280, and 235 MeV/nucleon, respectively. A σI of 1.280±0.023 b was obtained for 22C, significantly larger than for 19,20C, supporting the halo character of 22C. A 22C root-mean-squared matter radius of 3.44 ± 0.08 fm was deduced using a four-body Glauber reaction model. This value is smaller than an earlier estimate (of 5.4 ± 0.9 fm) derived from a σI measurement on a hydrogen target at 40 MeV/nucleon. These new, higher-precision σI data provide stronger constraints for assessing the consistency of theories describing weakly bound nuclei.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Togano, YUNSPECIFIEDUNSPECIFIED
Nakamura, TUNSPECIFIEDUNSPECIFIED
Kondo, YUNSPECIFIEDUNSPECIFIED
Tostevin, JAUNSPECIFIEDUNSPECIFIED
Saito, ATUNSPECIFIEDUNSPECIFIED
Gibelin, JUNSPECIFIEDUNSPECIFIED
Orr, NAUNSPECIFIEDUNSPECIFIED
Achouri, NLUNSPECIFIEDUNSPECIFIED
Aumann, TUNSPECIFIEDUNSPECIFIED
Baba, HUNSPECIFIEDUNSPECIFIED
Delaunay, FUNSPECIFIEDUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Fukuda, NUNSPECIFIEDUNSPECIFIED
Hwang, JUNSPECIFIEDUNSPECIFIED
Inabe, NUNSPECIFIEDUNSPECIFIED
Isobe, TUNSPECIFIEDUNSPECIFIED
Kameda, DUNSPECIFIEDUNSPECIFIED
Kanno, DUNSPECIFIEDUNSPECIFIED
Kim, SUNSPECIFIEDUNSPECIFIED
Kobayashi, NUNSPECIFIEDUNSPECIFIED
Kobayashi, TUNSPECIFIEDUNSPECIFIED
Kubo, TUNSPECIFIEDUNSPECIFIED
Leblond, SUNSPECIFIEDUNSPECIFIED
Lee, JUNSPECIFIEDUNSPECIFIED
Marques, FMUNSPECIFIEDUNSPECIFIED
Minakata, RUNSPECIFIEDUNSPECIFIED
Motobayashi, TUNSPECIFIEDUNSPECIFIED
Murai, DUNSPECIFIEDUNSPECIFIED
Murakami, TUNSPECIFIEDUNSPECIFIED
Muto, KUNSPECIFIEDUNSPECIFIED
Nakashima, TUNSPECIFIEDUNSPECIFIED
Nakatsuka, NUNSPECIFIEDUNSPECIFIED
Navin, AUNSPECIFIEDUNSPECIFIED
Nishi, SUNSPECIFIEDUNSPECIFIED
Ogoshi, SUNSPECIFIEDUNSPECIFIED
Otsu, HUNSPECIFIEDUNSPECIFIED
Sato, HUNSPECIFIEDUNSPECIFIED
Satou, YUNSPECIFIEDUNSPECIFIED
Shimizu, YUNSPECIFIEDUNSPECIFIED
Suzuki, HUNSPECIFIEDUNSPECIFIED
Takahashi, KUNSPECIFIEDUNSPECIFIED
Takeda, HUNSPECIFIEDUNSPECIFIED
Takeuchi, SUNSPECIFIEDUNSPECIFIED
Tanaka, RUNSPECIFIEDUNSPECIFIED
Tuff, AGUNSPECIFIEDUNSPECIFIED
Vandebrouck, MUNSPECIFIEDUNSPECIFIED
Yoneda, KUNSPECIFIEDUNSPECIFIED
Date : 1 March 2017
Identification Number : 0.1016/j.physletb.2016.08.062
Copyright Disclaimer : © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Uncontrolled Keywords : Interaction cross section, Matter radius, Two-neutron halo nucleus 22C
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 30 Aug 2016 16:16
Last Modified : 13 Sep 2016 09:02
URI: http://epubs.surrey.ac.uk/id/eprint/811916

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