Electromagnetic dissociation of relativistic Si28

J. Barrette; R. Bellwied; P. Braun-Munzinger; W. E. Cleland; G. David; J. Dee; O. Dietzsch; E. Duek; M. Fatyga; D. Fox; S. V. Greene; J. R. Hall; T. K. Hemmick; N. Herrmann; B. Hong; K. Jayananda; D. Kraus; B. S. Kumar; R. Lacasse; D. Lissauer; W. J. Llope; T. Ludlam; S. K. Mark; S. McCorkle; J. T. Mitchell; M. Muthuswamy; E. O'Brien; C. Pruneau; F. S. Rotondo; J. Simon-Gillo; U. Sonnadara; J. Stachel; E. M. Takagui; H. Takai; T. G. Throwe; L. Waters; C. Winter; K. Wolf; D. Wolfe; C. L. Woody; N. Xu; Y. Zhang; Z. Zhang; C. Zou

doi:10.1103/PhysRevC.51.865

Electromagnetic dissociation of relativistic Si28

J. Barrette, R. Bellwied, P. Braun-Munzinger, W. E. Cleland, G. David, J. Dee, O. Dietzsch, E. Duek, M. Fatyga, D. Fox, S. V. Greene, J. R. Hall, T. K. Hemmick, N. Herrmann, B. Hong, K. Jayananda, D. Kraus, B. S. Kumar, R. Lacasse, D. LissauerW. J. Llope, T. Ludlam, S. K. Mark, S. McCorkle, J. T. Mitchell, M. Muthuswamy, E. O'Brien, C. Pruneau, F. S. Rotondo, J. Simon-Gillo, U. Sonnadara, J. Stachel, E. M. Takagui, H. Takai, T. G. Throwe, L. Waters, C. Winter, K. Wolf, D. Wolfe, C. L. Woody, N. Xu, Y. Zhang, Z. Zhang, C. Zou

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Abstract

We have studied in detail the electromagnetic dissociation of Si28 projectiles at 14.6 GeV/(c nucleon), interacting with Pb, Sn, Cu, and Al targets. Exclusive cross sections were measured for several decay channels, including final states involving the emission of protons, neutrons, and α particles. Excitation energy distributions for the 1n+27Si and 2p+26Mg decay channels were reconstructed with a resolution of 2 MeV, using a constrained kinematic fit. The energy distributions obtained for 1n+27Si are in good agreement with the σ(γ,n) photoneutron cross sections multiplied by the virtual photon spectrum obtained in the Weizsäcker-Williams approximation. A search for the double photon excitation process, based on the dependence of the cross sections on the target atomic number, was performed.

Original language	English
Pages (from-to)	865-878
Number of pages	14
Journal	Physical Review C
Volume	51
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.51.865
Publication status	Published - 1995
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.51.865

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Barrette, J., Bellwied, R., Braun-Munzinger, P., Cleland, W. E., David, G., Dee, J., Dietzsch, O., Duek, E., Fatyga, M., Fox, D., Greene, S. V., Hall, J. R., Hemmick, T. K., Herrmann, N., Hong, B., Jayananda, K., Kraus, D., Kumar, B. S., Lacasse, R., ... Zou, C. (1995). Electromagnetic dissociation of relativistic Si28. Physical Review C, 51(2), 865-878. https://doi.org/10.1103/PhysRevC.51.865

Barrette, J, Bellwied, R, Braun-Munzinger, P, Cleland, WE, David, G, Dee, J, Dietzsch, O, Duek, E, Fatyga, M, Fox, D, Greene, SV, Hall, JR, Hemmick, TK, Herrmann, N, Hong, B, Jayananda, K, Kraus, D, Kumar, BS, Lacasse, R, Lissauer, D, Llope, WJ, Ludlam, T, Mark, SK, McCorkle, S, Mitchell, JT, Muthuswamy, M, O'Brien, E, Pruneau, C, Rotondo, FS, Simon-Gillo, J, Sonnadara, U, Stachel, J, Takagui, EM, Takai, H, Throwe, TG, Waters, L, Winter, C, Wolf, K, Wolfe, D, Woody, CL, Xu, N, Zhang, Y, Zhang, Z & Zou, C 1995, 'Electromagnetic dissociation of relativistic Si28', Physical Review C, vol. 51, no. 2, pp. 865-878. https://doi.org/10.1103/PhysRevC.51.865

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title = "Electromagnetic dissociation of relativistic Si28",

abstract = "We have studied in detail the electromagnetic dissociation of Si28 projectiles at 14.6 GeV/(c nucleon), interacting with Pb, Sn, Cu, and Al targets. Exclusive cross sections were measured for several decay channels, including final states involving the emission of protons, neutrons, and α particles. Excitation energy distributions for the 1n+27Si and 2p+26Mg decay channels were reconstructed with a resolution of 2 MeV, using a constrained kinematic fit. The energy distributions obtained for 1n+27Si are in good agreement with the σ(γ,n) photoneutron cross sections multiplied by the virtual photon spectrum obtained in the Weizs{\"a}cker-Williams approximation. A search for the double photon excitation process, based on the dependence of the cross sections on the target atomic number, was performed.",

author = "J. Barrette and R. Bellwied and P. Braun-Munzinger and Cleland, {W. E.} and G. David and J. Dee and O. Dietzsch and E. Duek and M. Fatyga and D. Fox and Greene, {S. V.} and Hall, {J. R.} and Hemmick, {T. K.} and N. Herrmann and B. Hong and K. Jayananda and D. Kraus and Kumar, {B. S.} and R. Lacasse and D. Lissauer and Llope, {W. J.} and T. Ludlam and Mark, {S. K.} and S. McCorkle and Mitchell, {J. T.} and M. Muthuswamy and E. O'Brien and C. Pruneau and Rotondo, {F. S.} and J. Simon-Gillo and U. Sonnadara and J. Stachel and Takagui, {E. M.} and H. Takai and Throwe, {T. G.} and L. Waters and C. Winter and K. Wolf and D. Wolfe and Woody, {C. L.} and N. Xu and Y. Zhang and Z. Zhang and C. Zou",

year = "1995",

doi = "10.1103/PhysRevC.51.865",

language = "English",

volume = "51",

pages = "865--878",

journal = "Physical Review C",

issn = "0556-2813",

publisher = "American Physical Society",

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T1 - Electromagnetic dissociation of relativistic Si28

AU - Barrette, J.

AU - Bellwied, R.

AU - Braun-Munzinger, P.

AU - Cleland, W. E.

AU - David, G.

AU - Dee, J.

AU - Dietzsch, O.

AU - Duek, E.

AU - Fatyga, M.

AU - Fox, D.

AU - Greene, S. V.

AU - Hall, J. R.

AU - Hemmick, T. K.

AU - Herrmann, N.

AU - Hong, B.

AU - Jayananda, K.

AU - Kraus, D.

AU - Kumar, B. S.

AU - Lacasse, R.

AU - Lissauer, D.

AU - Llope, W. J.

AU - Ludlam, T.

AU - Mark, S. K.

AU - McCorkle, S.

AU - Mitchell, J. T.

AU - Muthuswamy, M.

AU - O'Brien, E.

AU - Pruneau, C.

AU - Rotondo, F. S.

AU - Simon-Gillo, J.

AU - Sonnadara, U.

AU - Stachel, J.

AU - Takagui, E. M.

AU - Takai, H.

AU - Throwe, T. G.

AU - Waters, L.

AU - Winter, C.

AU - Wolf, K.

AU - Wolfe, D.

AU - Woody, C. L.

AU - Xu, N.

AU - Zhang, Y.

AU - Zhang, Z.

AU - Zou, C.

PY - 1995

Y1 - 1995

N2 - We have studied in detail the electromagnetic dissociation of Si28 projectiles at 14.6 GeV/(c nucleon), interacting with Pb, Sn, Cu, and Al targets. Exclusive cross sections were measured for several decay channels, including final states involving the emission of protons, neutrons, and α particles. Excitation energy distributions for the 1n+27Si and 2p+26Mg decay channels were reconstructed with a resolution of 2 MeV, using a constrained kinematic fit. The energy distributions obtained for 1n+27Si are in good agreement with the σ(γ,n) photoneutron cross sections multiplied by the virtual photon spectrum obtained in the Weizsäcker-Williams approximation. A search for the double photon excitation process, based on the dependence of the cross sections on the target atomic number, was performed.

AB - We have studied in detail the electromagnetic dissociation of Si28 projectiles at 14.6 GeV/(c nucleon), interacting with Pb, Sn, Cu, and Al targets. Exclusive cross sections were measured for several decay channels, including final states involving the emission of protons, neutrons, and α particles. Excitation energy distributions for the 1n+27Si and 2p+26Mg decay channels were reconstructed with a resolution of 2 MeV, using a constrained kinematic fit. The energy distributions obtained for 1n+27Si are in good agreement with the σ(γ,n) photoneutron cross sections multiplied by the virtual photon spectrum obtained in the Weizsäcker-Williams approximation. A search for the double photon excitation process, based on the dependence of the cross sections on the target atomic number, was performed.

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U2 - 10.1103/PhysRevC.51.865

DO - 10.1103/PhysRevC.51.865

M3 - Article

AN - SCOPUS:4243805986

SN - 0556-2813

VL - 51

SP - 865

EP - 878

JO - Physical Review C

JF - Physical Review C

IS - 2

ER -

Electromagnetic dissociation of relativistic Si28

Abstract

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