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

Togano, Y, Nakamura, T, Kondo, Y, Tostevin, Jeffrey, 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, Kimber, 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 (2016) Interaction cross section study of the two-neutron halo nucleus 22C Physics Letters B, 761. pp. 412-418.

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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 :
Togano, Y
Nakamura, T
Kondo, Y
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
Kimber, 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
Yoneda, K
Date : 10 October 2016
Funders : Science and Technology Facilities Council (STFC)
DOI : 10.1016/j.physletb.2016.08.062
Copyright Disclaimer : © 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license ( Funded by SCOAP
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 : 12 Mar 2019 16:19

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