Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam

J.S. Winfield; S. Fortier; W.N. Catford; S. Pita; N.A. Orr; J. Van de Wiele; Y. Blumenfeld; R. Chapman; S.P.G. Chappell; N.M. Clarke; N. Curtis; M. Freer; S. Gales; H. Langevin-Joliot; H. Laurent; I. Lhenry; J.M. Maison; P. Roussel-Chomaz; M. Shawcross; K. Spohr; T. Suomijarvi; A. de Vismes

doi:10.1016/S0375-9474(00)00463-2

Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam

J.S. Winfield, S. Fortier, W.N. Catford, S. Pita, N.A. Orr, J. Van de Wiele, Y. Blumenfeld, R. Chapman, S.P.G. Chappell, N.M. Clarke, N. Curtis, M. Freer, S. Gales, H. Langevin-Joliot, H. Laurent, I. Lhenry, J.M. Maison, P. Roussel-Chomaz, M. Shawcross, K. SpohrT. Suomijarvi, A. de Vismes

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Abstract

The 11Be(p, d)10Be reaction has been performed in inverse kinematics with a radioactive 11Be beam of E/A=35.3 MeV. Angular distributions for the 0+ ground state, the 2+, 3.37 MeV state and the multiplet of states around 6 MeV in 10Be were measured at angles up to 16°cm by detecting the 10Be in a dispersion-matched spectrometer and the coincident deuterons in a silicon array. Distorted wave and coupled-channels calculations have been performed to investigate the amount of 2+ core excitation in 11Begs. The use of “realistic” 11Be wave functions is emphasised and bound-state form factors have been obtained by solving the particle-vibration coupling equations. This calculation gives a dominant 2s component in the 11Begs wave function with a 16% [2+⊗1d] core excitation admixture. Cross sections calculated with these form factors are in good agreement with the present data. The Separation Energy prescription for the bound-state wave function also gives satisfactory fits to the data, but leads to a significantly larger [2+⊗1d] component in 11Begs.

Original language	English
Pages (from-to)	48-78
Number of pages	31
Journal	Nuclear Physics A
Volume	683
Issue number	1-4
DOIs	https://doi.org/10.1016/S0375-9474(00)00463-2
Publication status	Published - 26 Feb 2001

Keywords

Nuclear reactions
1H(11Be, 10Be), E/A = 35.3 MeV, 1H(15N, 14N) E/A = 38.9 MeV
Measured σ(θ)
Deduced spectroscopic factors
Vibrational coupling model
Radioactive beam

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10.1016/S0375-9474(00)00463-2

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Winfield, J. S., Fortier, S., Catford, W. N., Pita, S., Orr, N. A., Van de Wiele, J., Blumenfeld, Y., Chapman, R., Chappell, S. P. G., Clarke, N. M., Curtis, N., Freer, M., Gales, S., Langevin-Joliot, H., Laurent, H., Lhenry, I., Maison, J. M., Roussel-Chomaz, P., Shawcross, M., ... de Vismes, A. (2001). Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam. Nuclear Physics A, 683(1-4), 48-78. https://doi.org/10.1016/S0375-9474(00)00463-2

@article{9215ff0e0eca4e958996230f9c457542,

title = "Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam",

abstract = "The 11Be(p, d)10Be reaction has been performed in inverse kinematics with a radioactive 11Be beam of E/A=35.3 MeV. Angular distributions for the 0+ ground state, the 2+, 3.37 MeV state and the multiplet of states around 6 MeV in 10Be were measured at angles up to 16°cm by detecting the 10Be in a dispersion-matched spectrometer and the coincident deuterons in a silicon array. Distorted wave and coupled-channels calculations have been performed to investigate the amount of 2+ core excitation in 11Begs. The use of “realistic” 11Be wave functions is emphasised and bound-state form factors have been obtained by solving the particle-vibration coupling equations. This calculation gives a dominant 2s component in the 11Begs wave function with a 16% [2+⊗1d] core excitation admixture. Cross sections calculated with these form factors are in good agreement with the present data. The Separation Energy prescription for the bound-state wave function also gives satisfactory fits to the data, but leads to a significantly larger [2+⊗1d] component in 11Begs.",

keywords = "Nuclear reactions, 1H(11Be, 10Be), E/A = 35.3 MeV, 1H(15N, 14N) E/A = 38.9 MeV, Measured σ(θ), Deduced spectroscopic factors, Vibrational coupling model, Radioactive beam",

author = "J.S. Winfield and S. Fortier and W.N. Catford and S. Pita and N.A. Orr and {Van de Wiele}, J. and Y. Blumenfeld and R. Chapman and S.P.G. Chappell and N.M. Clarke and N. Curtis and M. Freer and S. Gales and H. Langevin-Joliot and H. Laurent and I. Lhenry and J.M. Maison and P. Roussel-Chomaz and M. Shawcross and K. Spohr and T. Suomijarvi and {de Vismes}, A.",

year = "2001",

month = feb,

day = "26",

doi = "10.1016/S0375-9474(00)00463-2",

language = "English",

volume = "683",

pages = "48--78",

journal = "Nuclear Physics A",

issn = "0375-9474",

publisher = "Elsevier B.V.",

number = "1-4",

}

Winfield, JS, Fortier, S, Catford, WN, Pita, S, Orr, NA, Van de Wiele, J, Blumenfeld, Y, Chapman, R, Chappell, SPG, Clarke, NM, Curtis, N, Freer, M, Gales, S, Langevin-Joliot, H, Laurent, H, Lhenry, I, Maison, JM, Roussel-Chomaz, P, Shawcross, M, Spohr, K, Suomijarvi, T & de Vismes, A 2001, 'Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam', Nuclear Physics A, vol. 683, no. 1-4, pp. 48-78. https://doi.org/10.1016/S0375-9474(00)00463-2

TY - JOUR

T1 - Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam

AU - Winfield, J.S.

AU - Fortier, S.

AU - Catford, W.N.

AU - Pita, S.

AU - Orr, N.A.

AU - Van de Wiele, J.

AU - Blumenfeld, Y.

AU - Chapman, R.

AU - Chappell, S.P.G.

AU - Clarke, N.M.

AU - Curtis, N.

AU - Freer, M.

AU - Gales, S.

AU - Langevin-Joliot, H.

AU - Laurent, H.

AU - Lhenry, I.

AU - Maison, J.M.

AU - Roussel-Chomaz, P.

AU - Shawcross, M.

AU - Spohr, K.

AU - Suomijarvi, T.

AU - de Vismes, A.

PY - 2001/2/26

Y1 - 2001/2/26

N2 - The 11Be(p, d)10Be reaction has been performed in inverse kinematics with a radioactive 11Be beam of E/A=35.3 MeV. Angular distributions for the 0+ ground state, the 2+, 3.37 MeV state and the multiplet of states around 6 MeV in 10Be were measured at angles up to 16°cm by detecting the 10Be in a dispersion-matched spectrometer and the coincident deuterons in a silicon array. Distorted wave and coupled-channels calculations have been performed to investigate the amount of 2+ core excitation in 11Begs. The use of “realistic” 11Be wave functions is emphasised and bound-state form factors have been obtained by solving the particle-vibration coupling equations. This calculation gives a dominant 2s component in the 11Begs wave function with a 16% [2+⊗1d] core excitation admixture. Cross sections calculated with these form factors are in good agreement with the present data. The Separation Energy prescription for the bound-state wave function also gives satisfactory fits to the data, but leads to a significantly larger [2+⊗1d] component in 11Begs.

AB - The 11Be(p, d)10Be reaction has been performed in inverse kinematics with a radioactive 11Be beam of E/A=35.3 MeV. Angular distributions for the 0+ ground state, the 2+, 3.37 MeV state and the multiplet of states around 6 MeV in 10Be were measured at angles up to 16°cm by detecting the 10Be in a dispersion-matched spectrometer and the coincident deuterons in a silicon array. Distorted wave and coupled-channels calculations have been performed to investigate the amount of 2+ core excitation in 11Begs. The use of “realistic” 11Be wave functions is emphasised and bound-state form factors have been obtained by solving the particle-vibration coupling equations. This calculation gives a dominant 2s component in the 11Begs wave function with a 16% [2+⊗1d] core excitation admixture. Cross sections calculated with these form factors are in good agreement with the present data. The Separation Energy prescription for the bound-state wave function also gives satisfactory fits to the data, but leads to a significantly larger [2+⊗1d] component in 11Begs.

KW - Nuclear reactions

KW - 1H(11Be, 10Be), E/A = 35.3 MeV, 1H(15N, 14N) E/A = 38.9 MeV

KW - Measured σ(θ)

KW - Deduced spectroscopic factors

KW - Vibrational coupling model

KW - Radioactive beam

U2 - 10.1016/S0375-9474(00)00463-2

DO - 10.1016/S0375-9474(00)00463-2

M3 - Article

SN - 0375-9474

VL - 683

SP - 48

EP - 78

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-4

ER -

Single-neutron transfer from 11Begs via the (p, d) reaction with a radioactive beam

Abstract

Keywords

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