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Titolo:
Probing the Delta NN component of He-3 - art. no. 044001
Autore:
Huber, GM; Lolos, GJ; Brash, EJ; Dumalski, S; Farzanpay, F; Iurescu, M; Papandreou, Z; Shinozaki, A; Weinerman, A; Emura, T; Hirosawa, H; Niwa, K; Yamashita, H; Maeda, K; Terasawa, T; Yamazaki, H; Endo, S; Miyamoto, K; Sumi, Y; Garino, G; Maruyama, K; Leone, A; Perrino, R; Maki, T; Sasaki, A; Wada, Y;
Indirizzi:
Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada Univ Regina Regina SK Canada S4S 0A2 ept Phys, Regina, SK S4S 0A2, Canada Tokyo Univ Agr & Technol, Dept Appl Phys, Tokyo 184, Japan Tokyo Univ Agr & Technol Tokyo Japan 184 ept Appl Phys, Tokyo 184, Japan Tohoku Univ, Dept Phys, Sendai, Miyagi 980, Japan Tohoku Univ Sendai Miyagi Japan 980 Dept Phys, Sendai, Miyagi 980, Japan Hiroshima Univ, Dept Phys, Higashihiroshima 724, Japan Hiroshima Univ Higashihiroshima Japan 724 s, Higashihiroshima 724, Japan Univ Tokyo, Inst Nucl Study, Tokyo 188, Japan Univ Tokyo Tokyo Japan 188Univ Tokyo, Inst Nucl Study, Tokyo 188, Japan Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy Ist Nazl Fis Nucl Lecce Italy I-73100 l, Sez Lecce, I-73100 Lecce, Italy Univ Occupat & Environm Hlth, Kitakyushu, Fukuoka 807, Japan Univ Occupat & Environm Hlth Kitakyushu Fukuoka Japan 807 uoka 807, Japan Akita Univ, Coll Gen Educ, Akita 010, Japan Akita Univ Akita Japan 010Akita Univ, Coll Gen Educ, Akita 010, Japan Meiji Pharmaceut Univ, Tokyo 204, Japan Meiji Pharmaceut Univ Tokyo Japan 204 Pharmaceut Univ, Tokyo 204, Japan
Titolo Testata:
PHYSICAL REVIEW C
fascicolo: 4, volume: 6204, anno: 2000,
pagine: 4001 -
SICI:
0556-2813(200010)6204:4<4001:PTDNCO>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
GROUND-STATE; NUCLEI; MODEL; ELECTROPRODUCTION; ABSORPTION; SCATTERING; PROTONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Huber, GM Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada Univ Regina Regina SK Canada S4S 0A2 Regina, SK S4S 0A2, Canada
Citazione:
G.M. Huber et al., "Probing the Delta NN component of He-3 - art. no. 044001", PHYS REV C, 6204(4), 2000, pp. 4001

Abstract

The He-3(gamma, pi(+/-)p) reactions were measured simultaneously over a tagged photon energy range of 800 less than or equal to E gamma less than or equal to 1120 MeV, well above the Delta resonance region. An analysis was performed to kinematically isolate Delta knockout events from conventional Delta photoproduction events, and a statistically significant excess of pi(+)p events was identified, consistent with Delta(++) knockout. Two methods were used to estimate the Delta NN probability in the He-3 ground state corresponding to the observed knockout cross section. The first gave a lower probability limit of 1.5 +/- 0.6 +/- 0.5%; the second yielded an upper limit of about 2.6%.

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Documento generato il 29/09/20 alle ore 00:43:41