First measurement of coherent double neutral-pion photoproduction on the deuteron at incident energies below 0.9 GeV

被引：25

作者：

Ishikawa, T. ^{[1
]}

Fujimura, H. ^{[1
,7
]}

Fukasawa, H. ^{[1
]}

Hashimoto, R. ^{[1
,8
]}

He, Q. ^{[1
]}

Honda, Y. ^{[1
]}

Iwata, T. ^{[2
]}

Kaida, S. ^{[1
]}

Kanda, H. ^{[3
,9
]}

Kasagi, J. ^{[1
]}

Kawano, A. ^{[4
]}

Kuwasaki, S. ^{[1
]}

Maeda, K. ^{[3
]}

Masumoto, S. ^{[5
]}

Miyabe, M. ^{[1
]}

Miyahara, F. ^{[1
,10
]}

Mochizuki, K. ^{[1
]}

Muramatsu, N. ^{[1
]}

Nakamura, A. ^{[1
]}

Nawa, K. ^{[1
]}

Ogushi, S. ^{[1
]}

Okada, Y. ^{[1
]}

Okamura, K. ^{[1
]}

Onodera, Y. ^{[1
]}

Ozawa, K. ^{[6
]}

Sakamoto, Y. ^{[4
]}

Sato, M. ^{[1
]}

Shimizu, H. ^{[1
]}

Sugai, H. ^{[1
,11
]}

Suzuki, K. ^{[1
,12
]}

Tajima, Y. ^{[2
]}

Taniguchi, Y. ^{[1
]}

Tsuchikawa, Y. ^{[1
,13
]}

Yamazaki, H. ^{[1
,14
]}

Yamazaki, R. ^{[1
]}

Yoshida, H. Y. ^{[2
]}

机构：

[1] Tohoku Univ, Res Ctr Electron Photon Sci ELPH, Sendai, Miyagi 9820826, Japan

[2] Yamagata Univ, Dept Phys, Yamagata 9908560, Japan

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

[4] Tohoku Gakuin Univ, Dept Informat Sci, Sendai, Miyagi 9813193, Japan

[5] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[6] High Energy Accelerator Res Org KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan

[7] Wakayama Med Univ, Dept Phys, Wakayama 6418509, Japan

[8] High Energy Accelerator Res Org KEK, IMSS, Tsukuba, Ibaraki 3050801, Japan

[9] Osaka Univ, Res Ctr Nucl Phys, Ibaraki 5670047, Japan

[10] High Energy Accelerator Res Org KEK, Accelerator Lab, Tsukuba, Ibaraki 3050801, Japan

[11] Gunma Univ Initiat Adv Res GIAR, Maebashi, Gunma 3718511, Japan

[12] Wakasa Wan Energy Res Ctr, Tsuruga, Fukui 9140192, Japan

[13] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan

[14] High Energy Accelerator Res Org KEK, Radiat Sci Ctr, Tokai, Ibaraki 3191195, Japan

来源：

PHYSICS LETTERS B | 2017年 / 772卷

关键词：

Coherent meson photoproduction; Dibaryon resonance; ABC effect; MESON PRODUCTION;

D O I：

10.1016/j.physletb.2017.04.010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The total cross sections were measured for coherent double neutral-pion photoproduction on the deuteron at incident energies below 0.9 GeV for the first time. No clear resonance-like behavior is observed in the excitation function for W-gamma d = 2.38-2.61 GeV, where the d*(2380) dibaryon resonance observed at COSY is expected to appear. The measured excitation function is consistent with the existing theoretical calculation for this reaction. The upper limit of the total cross section is found to be 0.034 mu b for the dibaryon resonance at W-gamma d = 2.37GeV (90% confidence level) in the gamma d -> pi(0)pi(0)d reaction. (C) 2017 The Author(s). Published by Elsevier B.V.

引用

页码：398 / 402

页数：5

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