Experimental Study of In-medium Spectral Change of Vector Mesons at J-PARC

被引：3

作者：

Aoki, Kazuya ^{[1
]}

Arimizu, Daichi ^{[2
]}

Ashikaga, Sakiko ^{[3
]}

Chang, Wen-Chen ^{[4
]}

Chujo, Tatsuya ^{[5
]}

Ebata, Kengo ^{[2
]}

En'yo, Hideto ^{[6
]}

Esumi, Shinichi ^{[5
]}

Hamagaki, Hideki ^{[7
]}

Honda, Ryotaro ^{[1
]}

Ichikawa, Masaya ^{[2
,6
,8
]}

Kajikawa, Shunsuke ^{[9
]}

Kanno, Koki ^{[6
]}

Kimura, Yuta ^{[10
]}

Kiyomichi, Akio

Kondo, Takehito K. ^{[11
]}

Kyan, Shono ^{[5
]}

Lin, Che-Sheng ^{[4
]}

Lin, Chih-Hsun ^{[4
]}

Morino, Yuhei ^{[1
]}

Murakami, Hikari

Murakami, Tomoki N. ^{[6
]}

Muto, Ryotaro ^{[1
]}

Nagafusa, Shunnosuke ^{[2
]}

Nakai, Wataru ^{[1
]}

Nakasuga, Satomi ^{[2
,8
]}

Naruki, Megumi ^{[2
,8
]}

Nonaka, Toshihiro ^{[5
]}

Noumi, Hiroyuki ^{[1
,3
]}

Ochiai, Shuta ^{[2
]}

Ozawa, Kyoichiro ^{[1
,5
,8
]}

Sakaguchi, Takao

Sako, Hiroyuki ^{[8
]}

Sakuma, Fuminori ^{[6
]}

Sato, Susumu ^{[8
]}

Sawada, Shinya ^{[1
]}

Sekimoto, Michiko ^{[1
]}

Shigaki, Kenta ^{[11
]}

Shirotori, Kotaro ^{[3
]}

Sugimura, Hitoshi ^{[1
]}

Takahashi, Tomonori N. ^{[6
]}

Takaura, Yudai ^{[2
]}

Tatsumi, Ryohei ^{[10
]}

Tsukui, Kosuke ^{[5
]}

Wang, Po-Hung ^{[4
]}

Yahiro, Kanta ^{[2
]}

Yamaguchi, Kanako H. ^{[2
]}

Yokkaichi, Satoshi ^{[6
]}

机构：

[1] High Energy Accelerator Res Org KEK, Inst Particle & Nucl Studies IPNS, 1-1 Oho, Tsukuba, Ibaraki 3050801, Japan

[2] Kyoto Univ, Dept Phys, Kitashirakawa Oiwakecho, Kyoto, Kyoto 6068502, Japan

[3] Osaka Univ, Res Ctr Nucl Phys RCNP, 10-1 Mihogaoka, Ibaraki, Osaka 5670047, Japan

[4] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[5] Univ Tsukuba, Ctr Integrated Res Fundamental Sci & Engn, 1-1-1 Tennodai, Tsukuba, Ibaraki 3058577, Japan

[6] RIKEN, RIKEN Nishina Ctr Accelerator Based Sci, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[7] Nagasaki Inst Appl Sci, Inst Innovat Sci & Technol, 536 Aba Machi, Nagasaki, Nagasaki 8510193, Japan

[8] Japan Atom Energy Agcy JAEA, Adv Sci Res Ctr, 2-4 Oaza Shirakata, Tokai, Ibaraki 3191195, Japan

[9] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[10] Osaka Univ, Inst Phys, Osaka, Japan

[11] Hiroshima Univ, Int Inst Sustainabil Knotted Chiral Meta Matter SK, 1-3-1 Kagamiyama, Hiroshima, Hiroshima 7398526, Japan

来源：

FEW-BODY SYSTEMS | 2023年 / 64卷 / 03期

关键词：

HADRON BLIND DETECTOR;

D O I：

10.1007/s00601-023-01828-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Chiral symmetry and its spontaneous breaking is an essential property of the QCD vacuum and is closely related to the generation of hadron mass. J-PARC E16 experiment measures dielectron spectra in p+A collisions at 30 GeV to study the in-medium spectral change of vector mesons that signals the partial restoration of the broken symmetry. The experiment uses the primary proton beam available at the high-momentum beam line of the J-PARC hadron experimental facility. We performed three proton-beam runs intended for beamline and detector commissioning. We are preparing for the next commissioning run in 2023 and the first physics run. We present the experimental setup, some of the expected results, preparation status, and some findings in the commissioning runs.

引用

页数：13

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