Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session L02: Nuclear Radii and EOS
9:00 AM–10:45 AM,
Friday, December 1, 2023
Hilton Waikoloa Village
Room: Kona 1
Abstract: L02.00002 : Charge-Changing Cross Sections for Mirror Nuclear Pair 22Ne-22Mg
9:15 AM–9:30 AM
Presenter:
Soshi Ishitani
(Osaka University)
Authors:
Soshi Ishitani
(Osaka University)
Mitsunori Fukuda
(Osaka University)
Miki Fukutome
(Osaka University)
Gen Takayama
(Osaka University)
Ryo Taguchi
(Osaka University)
Mototsugu Mihara
(Osaka University)
Kaoru Watanabe
(RCNP. Osaka University)
Masaomi Tanaka
(Kyushu University)
Daiki Nshimura
(Tokyo City University)
Hiroyuki Takahashi
(Tokyo City University)
Sora Sugawara
(Tokyo City University)
Takashi Ohtsubo
(Niigata University)
Norihide Noguchi
(Niigata University)
Kazuya Takatsu
(Niigata University)
Yukiko Ota
(Niigata University)
Takuji Izumikawa
(Niigata University)
Takeshi Suzuki
(Saitama University)
Masanori Kanda
(Saitama University)
Hibiki Seki
(Saitama University)
Naru Shinozaki
(Saitama University)
Akira Ozawa
(Tsukuba University)
Tetsuaki Moriguchi
(University of Tsukuba)
Naoto Kaname
(University of Tsukuba)
Asahi Yano
(University of Tsukuba)
Shinji Sato
(QST-HIMAC)
Atsushi Kitagawa
(QST-HIMAC)
Shigekazu Fukuda
(QST-HIMAC)
In this study, we measured the charge-changing cross-sections for mirror nuclei pair, 22Ne-22Mg. If complete charge symmetry holds between mirror nuclei, it is possible to derive the neutron distribution radius from the proton distribution radius of the mirror nucleus and obtain the thickness of the neutron skin.
The experiment was carried out at the Heavy Ion Medical Accelerator in Chiba. An 27Al beam with an energy of 300 MeV/u impinged onto a Be target to produce the secondary beams. By utilizing Bρ, time-of-flight (TOF), and energy loss (△E) technique, we separated 22Ne and 22Mg beams with an energy of 150 MeV/u. Subsequently, these secondary beams impinged onto C and H targets, and the charge-changing cross-sections were measured using the transmission method by observing the attenuation of particles with the same atomic number.
I am going to present the results of our experimental study, which provides insights into neutron skin thickness through charge-changing cross-section measurements.
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