Measurement of the 4He (γ, npp) n reaction in the Δ-resonance region

T. Emura; I. Endo; S. Endo; H. Itoh; S. Kato; M. Koike; K. Maeda; T. Maki; S. Maruo; K. Maruyama; Y. Murata; K. Niki; C. Rangacharyulu; A. Sasaki; T. Suda; Y. Sumi; Y. Wada; K. Yoshida

doi:10.1016/0370-2693(91)90894-V

Measurement of the ⁴He (γ, npp) n reaction in the Δ-resonance region

T. Emura, I. Endo, S. Endo, H. Itoh, S. Kato, M. Koike, K. Maeda, T. Maki, S. Maruo, K. Maruyama, Y. Murata, K. Niki, C. Rangacharyulu, A. Sasaki, T. Suda, Y. Sumi, Y. Wada, K. Yoshida

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Abstract

This is the first kinematically complete measurement of the ⁴He(γ, npp)n reaction in the energy range of 135-455 MeV. The ordered-momentum spectra and the double-differential cross sections are compared with the calculations which assume that photons are absorbed either on two- (np or pp), three- (npp), or four-nucleon systems. The ordered-momentum spectra below 400 MeV are reproduced well by pp and/or npp absorption but not by np absorption only.

Original language	English
Pages (from-to)	460-464
Number of pages	5
Journal	Physics Letters B
Volume	267
Issue number	4
DOIs	https://doi.org/10.1016/0370-2693(91)90894-V
Publication status	Published - 1991 Sep 26

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(91)90894-V

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Measurement of the ⁴He (γ, npp) n reaction in the Δ-resonance region. / Emura, T.; Endo, I.; Endo, S.; Itoh, H.; Kato, S.; Koike, M.; Maeda, K.; Maki, T.; Maruo, S.; Maruyama, K.; Murata, Y.; Niki, K.; Rangacharyulu, C.; Sasaki, A.; Suda, T.; Sumi, Y.; Wada, Y.; Yoshida, K.

In: Physics Letters B, Vol. 267, No. 4, 26.09.1991, p. 460-464.

Research output: Contribution to journal › Article › peer-review

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title = "Measurement of the 4He (γ, npp) n reaction in the Δ-resonance region",

abstract = "This is the first kinematically complete measurement of the 4He(γ, npp)n reaction in the energy range of 135-455 MeV. The ordered-momentum spectra and the double-differential cross sections are compared with the calculations which assume that photons are absorbed either on two- (np or pp), three- (npp), or four-nucleon systems. The ordered-momentum spectra below 400 MeV are reproduced well by pp and/or npp absorption but not by np absorption only.",

author = "T. Emura and I. Endo and S. Endo and H. Itoh and S. Kato and M. Koike and K. Maeda and T. Maki and S. Maruo and K. Maruyama and Y. Murata and K. Niki and C. Rangacharyulu and A. Sasaki and T. Suda and Y. Sumi and Y. Wada and K. Yoshida",

note = "Funding Information: We areg ratefutlo ProfessoSr . Yamadafo r the support throughoutth iss tudy.P artof this work is finan-ciallys upportebdy the Grant-in-Aifdo r SpeciaPl roj-ect Researcho n Meson Scienceo f the Ministry of EducationS,c iencea ndC ultureo f Japan.",

year = "1991",

month = sep,

day = "26",

doi = "10.1016/0370-2693(91)90894-V",

language = "English",

volume = "267",

pages = "460--464",

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TY - JOUR

T1 - Measurement of the 4He (γ, npp) n reaction in the Δ-resonance region

AU - Emura, T.

AU - Endo, I.

AU - Endo, S.

AU - Itoh, H.

AU - Kato, S.

AU - Koike, M.

AU - Maeda, K.

AU - Maki, T.

AU - Maruo, S.

AU - Maruyama, K.

AU - Murata, Y.

AU - Niki, K.

AU - Rangacharyulu, C.

AU - Sasaki, A.

AU - Suda, T.

AU - Sumi, Y.

AU - Wada, Y.

AU - Yoshida, K.

N1 - Funding Information: We areg ratefutlo ProfessoSr . Yamadafo r the support throughoutth iss tudy.P artof this work is finan-ciallys upportebdy the Grant-in-Aifdo r SpeciaPl roj-ect Researcho n Meson Scienceo f the Ministry of EducationS,c iencea ndC ultureo f Japan.

PY - 1991/9/26

Y1 - 1991/9/26

N2 - This is the first kinematically complete measurement of the 4He(γ, npp)n reaction in the energy range of 135-455 MeV. The ordered-momentum spectra and the double-differential cross sections are compared with the calculations which assume that photons are absorbed either on two- (np or pp), three- (npp), or four-nucleon systems. The ordered-momentum spectra below 400 MeV are reproduced well by pp and/or npp absorption but not by np absorption only.

AB - This is the first kinematically complete measurement of the 4He(γ, npp)n reaction in the energy range of 135-455 MeV. The ordered-momentum spectra and the double-differential cross sections are compared with the calculations which assume that photons are absorbed either on two- (np or pp), three- (npp), or four-nucleon systems. The ordered-momentum spectra below 400 MeV are reproduced well by pp and/or npp absorption but not by np absorption only.

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U2 - 10.1016/0370-2693(91)90894-V

DO - 10.1016/0370-2693(91)90894-V

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AN - SCOPUS:0041554753

VL - 267

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EP - 464

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 4

ER -

Measurement of the ⁴He (γ, npp) n reaction in the Δ-resonance region

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