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: L02.00004 : Development of the Particle Identification Method by Pulse Shape Analysis in GAGG(Ce) Calorimeter*
9:45 AM–10:00 AM
Presenter:
Takayuki Yano
(Kyoto Univ)
Authors:
Takayuki Yano
(Kyoto Univ)
Juzo Zenihiro
(Kyoto Univ)
Yuto Hijikata
(Kyoto Univ)
Ryotaro Tsuji
(Kyoto Univ)
Shingo Ogio
(Kyoto UNiv)
Tomohiro Uesaka
(RNC)
Junki Tanaka
(RNC)
Yuki Kubota
(RNC)
Hidetada Baba
(RNC)
Shoko Takeshige
(Rikkyo Univ)
Koshi Higuchi
(Saitama Univ)
Taiki Sugiyama
(Saitama Univ)
Harutaka Sakaguchi
(RCNP)
Yohei Matsuda
(Konan University)
Collaborations:
ESPRI, ONOKORO
We plan to perform proton elastic scattering experiments in inverse kinematics for unstable nuclei with large isospin asymmetry.
We are developing a new telescope consisting of GAGG(Ce) calorimeters and Si strip detectors for this measurement. The evaluation experiment of the prototype of this telescope was performed at HIMAC in January 2023, and the results showed that the ΔE-E method is insufficient for PID of recoil protons.
On the other hand, the results also showed the possibility that particles can be identified by analyzing the signal waveforms from GAGG(Ce) in a wide energy region.
Recently, we have done another GAGG(Ce) test at RCNP, Osaka University, to evaluate the new PID method by waveform analysis compared with the conventional PID method using a spectrometer and a plastic scintillator.
In this presentation, we will report the results of the test experiments and the performance of this method.
*This work was supported by JSPS KAKENHI Grant Numbers 21H04975 and 22H01229.
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