One-Neutron Knockout from Individual Single-Particle States ofB11e | Zendy

T. Aumann | Zendy; A. Navin | Zendy; D. P. Balamuth | Zendy; D. Bazin | Zendy; Β. Blank | Zendy; B. A. Brown | Zendy; J. E. Bush | Zendy; J. A. Caggiano | Zendy; B. Davids | Zendy; T. Glasmacher | Zendy; V. Guimarães | Zendy; P.G. Hansen | Zendy; R. W. Ibbotson | Zendy; D. Karnes | Zendy; J. J. Kolata | Zendy; V. Maddalena | Zendy; B. Pritychenko | Zendy; H. Scheit | Zendy; B. M. Sherrill | Zendy; J. A. Tostevin | Zendy

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One-Neutron Knockout from Individual Single-Particle States ofB11e

Author(s) -

T. Aumann,

A. Navin,

D. P. Balamuth,

D. Bazin,

Β. Blank,

B. A. Brown,

J. E. Bush,

J. A. Caggiano,

B. Davids,

T. Glasmacher,

V. Guimarães,

P.G. Hansen,

R. W. Ibbotson,

D. Karnes,

J. J. Kolata,

V. Maddalena,

B. Pritychenko,

H. Scheit,

B. M. Sherrill,

J. A. Tostevin

Publication year - 2000

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.84.35

Subject(s) - halo , physics , neutron , excited state , ground state , wave function , nucleon , function (biology) , particle (ecology) , nuclear physics , atomic physics , particle physics , geology , quantum mechanics , oceanography , galaxy , evolutionary biology , biology

The structure of the halo nucleus 11Be has been studied using the reaction 9Be(11Be,10Be+gamma)X at 60 MeV/nucleon. The ground state structure of 11Be is determined by comparing the experimental cross sections to a calculation combining spectroscopic factors from the shell model with l-dependent single-particle cross sections obtained in an eikonal model. This experiment shows the dominant 1s single-particle character of the 11Be ground state and indicates a small contribution of 0d admixture in the wave function. After correction for the approximately 22% intensity to excited levels, a clean and precise distribution of parallel momentum for knockout from the 1s halo wave function is obtained for the first time.

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