Study of the 7Be(p, γ)8B Reaction with the Coulomb Dissociation Method

Naohito Iwasa; Tohru Motobayashi; Yoshiaki Ando; Meiko Kurokawa; Hiroyuki Murakami; Jian Zhi Ruan; Susumu Shimoura; Shoji Shirato; Naohito Inabe; Toshiyuki Kubo; Yasushi Watanabe; Moshe Gai; Ralph France; Kevin Insik Hahn; Zhiping Zhao; Takashi Nakamura; Takashi Teranishi; Yasuyuki Futami; Kazuyoshi Furutaka; Therry Delbar; Masayasu Ishihara

doi:10.1143/JPSJ.65.1256

Study of the ⁷Be(p, γ)⁸B Reaction with the Coulomb Dissociation Method

Naohito Iwasa, Tohru Motobayashi, Yoshiaki Ando, Meiko Kurokawa, Hiroyuki Murakami, Jian Zhi Ruan, Susumu Shimoura, Shoji Shirato, Naohito Inabe, Toshiyuki Kubo, Yasushi Watanabe, Moshe Gai, Ralph France, Kevin Insik Hahn, Zhiping Zhao, Takashi Nakamura, Takashi Teranishi, Yasuyuki Futami, Kazuyoshi Furutaka, Therry DelbarMasayasu Ishihara

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Abstract

The Coulomb-dissociation cross section for the process ⁸B → ⁷Be + p in the field of ²⁰⁸Pb was measured at E(⁸B) = 46.5 A MeV. The ⁷Be(p,γ)⁸B cross section relevant to the high-energy ⁸B solar-neutrino production was extracted at E_C.M. = 0.6-1.7 MeV. Two theoretical models on the structure of ⁸B were used to evaluate possible corrections due to M1 and E2 admixtures to the dominant El cross sections. Their overall effect is shown to be small regardless of the choice of the models. The present result is consistent with the results of the direct measurements of Filippone et al. and Vaughn et al. within errors. This result suggests further studies with the Coulomb-dissociation method to extract astrophysical S₁₇ factor at ∼ 20 keV relevant to the high-energy solar-neutrino flux.

Original language	English
Pages (from-to)	1256-1263
Number of pages	8
Journal	journal of the physical society of japan
Volume	65
Issue number	5
DOIs	https://doi.org/10.1143/JPSJ.65.1256
Publication status	Published - 1996
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1143/JPSJ.65.1256

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Iwasa, N., Motobayashi, T., Ando, Y., Kurokawa, M., Murakami, H., Ruan, J. Z., Shimoura, S., Shirato, S., Inabe, N., Kubo, T., Watanabe, Y., Gai, M., France, R., Hahn, K. I., Zhao, Z., Nakamura, T., Teranishi, T., Futami, Y., Furutaka, K., ... Ishihara, M. (1996). Study of the ⁷Be(p, γ)⁸B Reaction with the Coulomb Dissociation Method. journal of the physical society of japan, 65(5), 1256-1263. https://doi.org/10.1143/JPSJ.65.1256

Iwasa, N, Motobayashi, T, Ando, Y, Kurokawa, M, Murakami, H, Ruan, JZ, Shimoura, S, Shirato, S, Inabe, N, Kubo, T, Watanabe, Y, Gai, M, France, R, Hahn, KI, Zhao, Z, Nakamura, T, Teranishi, T, Futami, Y, Furutaka, K, Delbar, T & Ishihara, M 1996, 'Study of the ⁷Be(p, γ)⁸B Reaction with the Coulomb Dissociation Method', journal of the physical society of japan, vol. 65, no. 5, pp. 1256-1263. https://doi.org/10.1143/JPSJ.65.1256

@article{3cd089b072804e8cb56c7ccbf7fe14ad,

title = "Study of the 7Be(p, γ)8B Reaction with the Coulomb Dissociation Method",

abstract = "The Coulomb-dissociation cross section for the process 8B → 7Be + p in the field of 208Pb was measured at E(8B) = 46.5 A MeV. The 7Be(p,γ)8B cross section relevant to the high-energy 8B solar-neutrino production was extracted at EC.M. = 0.6-1.7 MeV. Two theoretical models on the structure of 8B were used to evaluate possible corrections due to M1 and E2 admixtures to the dominant El cross sections. Their overall effect is shown to be small regardless of the choice of the models. The present result is consistent with the results of the direct measurements of Filippone et al. and Vaughn et al. within errors. This result suggests further studies with the Coulomb-dissociation method to extract astrophysical S17 factor at ∼ 20 keV relevant to the high-energy solar-neutrino flux.",

author = "Naohito Iwasa and Tohru Motobayashi and Yoshiaki Ando and Meiko Kurokawa and Hiroyuki Murakami and Ruan, {Jian Zhi} and Susumu Shimoura and Shoji Shirato and Naohito Inabe and Toshiyuki Kubo and Yasushi Watanabe and Moshe Gai and Ralph France and Hahn, {Kevin Insik} and Zhiping Zhao and Takashi Nakamura and Takashi Teranishi and Yasuyuki Futami and Kazuyoshi Furutaka and Therry Delbar and Masayasu Ishihara",

year = "1996",

doi = "10.1143/JPSJ.65.1256",

language = "English",

volume = "65",

pages = "1256--1263",

journal = "Journal of the Physical Society of Japan",

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TY - JOUR

T1 - Study of the 7Be(p, γ)8B Reaction with the Coulomb Dissociation Method

AU - Iwasa, Naohito

AU - Motobayashi, Tohru

AU - Ando, Yoshiaki

AU - Kurokawa, Meiko

AU - Murakami, Hiroyuki

AU - Ruan, Jian Zhi

AU - Shimoura, Susumu

AU - Shirato, Shoji

AU - Inabe, Naohito

AU - Kubo, Toshiyuki

AU - Watanabe, Yasushi

AU - Gai, Moshe

AU - France, Ralph

AU - Hahn, Kevin Insik

AU - Zhao, Zhiping

AU - Nakamura, Takashi

AU - Teranishi, Takashi

AU - Futami, Yasuyuki

AU - Furutaka, Kazuyoshi

AU - Delbar, Therry

AU - Ishihara, Masayasu

PY - 1996

Y1 - 1996

N2 - The Coulomb-dissociation cross section for the process 8B → 7Be + p in the field of 208Pb was measured at E(8B) = 46.5 A MeV. The 7Be(p,γ)8B cross section relevant to the high-energy 8B solar-neutrino production was extracted at EC.M. = 0.6-1.7 MeV. Two theoretical models on the structure of 8B were used to evaluate possible corrections due to M1 and E2 admixtures to the dominant El cross sections. Their overall effect is shown to be small regardless of the choice of the models. The present result is consistent with the results of the direct measurements of Filippone et al. and Vaughn et al. within errors. This result suggests further studies with the Coulomb-dissociation method to extract astrophysical S17 factor at ∼ 20 keV relevant to the high-energy solar-neutrino flux.

AB - The Coulomb-dissociation cross section for the process 8B → 7Be + p in the field of 208Pb was measured at E(8B) = 46.5 A MeV. The 7Be(p,γ)8B cross section relevant to the high-energy 8B solar-neutrino production was extracted at EC.M. = 0.6-1.7 MeV. Two theoretical models on the structure of 8B were used to evaluate possible corrections due to M1 and E2 admixtures to the dominant El cross sections. Their overall effect is shown to be small regardless of the choice of the models. The present result is consistent with the results of the direct measurements of Filippone et al. and Vaughn et al. within errors. This result suggests further studies with the Coulomb-dissociation method to extract astrophysical S17 factor at ∼ 20 keV relevant to the high-energy solar-neutrino flux.

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JO - Journal of the Physical Society of Japan

JF - Journal of the Physical Society of Japan

IS - 5

ER -

Study of the ⁷Be(p, γ)⁸B Reaction with the Coulomb Dissociation Method

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