Simultaneous photoproduction of neutral and charged pions on the deuteron at ELPH

Takatsugu Ishikawa, Akihiko Nakamura, Hisako Fujimura, Ryo Hashimoto, Qinghua He, Shun Kaida, Manabu Miyabe, Norihito Muramatsu, Hajime Shimizu, Koutaku Suzuki, Yusuke Tschikawa, Hirohito Yamazaki, Ryuji Yamazaki, Shin'ichi Masumoto, Yuki Obara, Kazushige Maeda, Kyoichiro Ozawa

Research output: Contribution to journalConference articlepeer-review

Abstract

We have measured the cross sections for π0π± photoproduction on the nucleon in the deuteron with an electromagnetic calorimeter system, FOREST, at the Research Center for Electron Photon Science, Tohoku University, Japan. The incident photon energy ranges from 570 to 1150 MeV, corresponding to the γN center of mass, WγN, from 1400 to 1750 MeV. The baryon resonances coupling to ρ+n and ρ-p are observed as intermediate states together with Δ-Kroll-Ruderman background components. The angular distributions for the produced ρ+ ρ- mesons are convex downward and upward at high energies (WγN ∼ 1720 MeV), respectively.

Original languageEnglish
Article number267
JournalProceedings of Science
Volume2016-September
Publication statusPublished - 2016
Event26th International Nuclear Physics Conference, INPC 2016 - Adelaide, Australia
Duration: 2016 Sep 112016 Sep 16

ASJC Scopus subject areas

  • General

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