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 D11: Minisymposium: Three-Nucleon Forces: Recent Results and Implications
9:00 AM–11:00 AM,
Wednesday, November 29, 2023
Hilton Waikoloa Village
Room: Kings 1
Chair: Dean Lee, Michigan State University
Abstract: D11.00001 : Spin Correlation Coefficients Measurement in Polarized Deuteron-Polarized Proton Scattering Experiment*
9:00 AM–9:15 AM
Presenter:
Yuko Saito
(Tohoku University)
Authors:
Yuko Saito
(Tohoku University)
Kimiko Sekiguchi
(Tokyo Tech)
Atomu Watanabe
(Tokyo Tech)
Yoshiki Maruta
(Tohoku University)
Takaya Matsui
(Tohoku University)
Kotaro Suzuki
(Tokyo Tech)
Kento Hirasawa
(Kyushu University)
Hiroki Sugahara
(Tokyo Tech)
Daichi Takahashi
(Tokyo Tech)
Kenichiro Tateishi
(RIKEN)
Daisuke Miura
(RIKEN)
Naruhiko Sakamoto
(RIKEN)
Hideaki Otsu
(RIKEN)
Tomohiro Uesaka
(RIKEN)
Hideyuki Sakai
(RIKEN)
Tomotsugu Wakasa
(Kyushu University)
Hiroki Nishibata
(Kyushu University)
Kazuki Aradono
(Kyushu University)
Takafumi Kajihara
(Kyushu University)
Satoshi Sakaguchi
(Kyushu University)
Takashi Wakui
(National Institute for Quantum Science and Technology)
In view of determining the 3NFs, we now plan to measure the spin correlation coefficients for polarized deuteron-polarized proton scattering at 100 MeV/nucleon. The experiment will be performed at RIKEN RIBF facility, using polarized deuteron beam provided by the polarized ion source and polarized proton target system based on the triplet-DNP method. Polarized cross sections will be measured with a detector system incorporating multi-wired drift chambers (MWDCs) and plastic scintillators. Data taken will be utilized to fix the low energy constants in chiral effective field theory.
The newly developed polarized proton target and detector system underwent a beam test at HIMAC in December 2022. The following measurements took place:
・Quantification of target’s polarization decrease from bombardment of 200 MeV proton
・Efficiency measurement of the MWDCs
・Derivation of target polarization from yield asymmetry measurement.
In this presentation, details on the planned experiment at 100 MeV/nucleon and the results from the beam test at HIMAC will be given.
*JSPS KAKENHI Grants No.JP20H05636
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