Physics Letters B (Oct 2016)
Interaction cross section study of the two-neutron halo nucleus 22C
- Y. Togano,
- T. Nakamura,
- Y. Kondo,
- J.A. Tostevin,
- A.T. Saito,
- J. Gibelin,
- N.A. Orr,
- N.L. Achouri,
- T. Aumann,
- H. Baba,
- F. Delaunay,
- P. Doornenbal,
- N. Fukuda,
- J.W. Hwang,
- N. Inabe,
- T. Isobe,
- D. Kameda,
- D. Kanno,
- S. Kim,
- N. Kobayashi,
- T. Kobayashi,
- T. Kubo,
- S. Leblond,
- J. Lee,
- F.M. Marqués,
- R. Minakata,
- T. Motobayashi,
- D. Murai,
- T. Murakami,
- K. Muto,
- T. Nakashima,
- N. Nakatsuka,
- A. Navin,
- S. Nishi,
- S. Ogoshi,
- H. Otsu,
- H. Sato,
- Y. Satou,
- Y. Shimizu,
- H. Suzuki,
- K. Takahashi,
- H. Takeda,
- S. Takeuchi,
- R. Tanaka,
- A.G. Tuff,
- M. Vandebrouck,
- K. Yoneda
Affiliations
- Y. Togano
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- T. Nakamura
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- Y. Kondo
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- J.A. Tostevin
- Department of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, GU2 7XH, United Kingdom
- A.T. Saito
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- J. Gibelin
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- N.A. Orr
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- N.L. Achouri
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- T. Aumann
- Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
- H. Baba
- RIKEN Nishina Center, Saitama 351-0198, Japan
- F. Delaunay
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- P. Doornenbal
- RIKEN Nishina Center, Saitama 351-0198, Japan
- N. Fukuda
- RIKEN Nishina Center, Saitama 351-0198, Japan
- J.W. Hwang
- Department of Physics and Astronomy, Seoul National University, 599 Gwanak, Seoul 151-742, Republic of Korea
- N. Inabe
- RIKEN Nishina Center, Saitama 351-0198, Japan
- T. Isobe
- RIKEN Nishina Center, Saitama 351-0198, Japan
- D. Kameda
- RIKEN Nishina Center, Saitama 351-0198, Japan
- D. Kanno
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- S. Kim
- Department of Physics and Astronomy, Seoul National University, 599 Gwanak, Seoul 151-742, Republic of Korea
- N. Kobayashi
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- T. Kobayashi
- Department of Physics, Tohoku University, Miyagi 980-8578, Japan
- T. Kubo
- RIKEN Nishina Center, Saitama 351-0198, Japan
- S. Leblond
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- J. Lee
- RIKEN Nishina Center, Saitama 351-0198, Japan
- F.M. Marqués
- LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, 14050 Caen Cedex, France
- R. Minakata
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- T. Motobayashi
- RIKEN Nishina Center, Saitama 351-0198, Japan
- D. Murai
- Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
- T. Murakami
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
- K. Muto
- Department of Physics, Tohoku University, Miyagi 980-8578, Japan
- T. Nakashima
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- N. Nakatsuka
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
- A. Navin
- GANIL, CEA/DSM-CNRS/IN2P3, F-14076 Caen Cedex 5, France
- S. Nishi
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- S. Ogoshi
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- H. Otsu
- RIKEN Nishina Center, Saitama 351-0198, Japan
- H. Sato
- RIKEN Nishina Center, Saitama 351-0198, Japan
- Y. Satou
- Department of Physics and Astronomy, Seoul National University, 599 Gwanak, Seoul 151-742, Republic of Korea
- Y. Shimizu
- RIKEN Nishina Center, Saitama 351-0198, Japan
- H. Suzuki
- RIKEN Nishina Center, Saitama 351-0198, Japan
- K. Takahashi
- Department of Physics, Tohoku University, Miyagi 980-8578, Japan
- H. Takeda
- RIKEN Nishina Center, Saitama 351-0198, Japan
- S. Takeuchi
- RIKEN Nishina Center, Saitama 351-0198, Japan
- R. Tanaka
- Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
- A.G. Tuff
- Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom
- M. Vandebrouck
- IPN Orsay, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, France
- K. Yoneda
- RIKEN Nishina Center, Saitama 351-0198, Japan
- DOI
- https://doi.org/10.1016/j.physletb.2016.08.062
- Journal volume & issue
-
Vol. 761,
no. C
pp. 412 – 418
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.
Keywords
