Precision measurement of the n-He3 incoherent scattering length using neutron interferometry

M. G. Huber; M. Arif; T. C. Black; W. C. Chen; T. R. Gentile; D. S. Hussey; D. A. Pushin; F. E. Wietfeldt; L. Yang

doi:10.1103/PhysRevLett.102.200401

Precision measurement of the n-He3 incoherent scattering length using neutron interferometry

M. G. Huber, M. Arif, T. C. Black, W. C. Chen, T. R. Gentile, D. S. Hussey, D. A. Pushin, F. E. Wietfeldt, L. Yang

Physics

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

Abstract

We report the first measurement of the low-energy neutron-He3 incoherent scattering length using neutron interferometry: bi′=(-2.512±0. 012stat±0.014syst)fm. This is in good agreement with a recent calculation using the AV18+3N potential. The neutron-He3 scattering lengths are important for testing and developing nuclear potential models that include three-nucleon forces, effective field theories for few-body nuclear systems, and neutron scattering measurements of quantum excitations in liquid helium. This work demonstrates the first use of a polarized nuclear target in a neutron interferometer.

Original language	English (US)
Article number	200401
Journal	Physical review letters
Volume	102
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.102.200401
State	Published - May 18 2009

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.102.200401

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abstract = "We report the first measurement of the low-energy neutron-He3 incoherent scattering length using neutron interferometry: bi′=(-2.512±0. 012stat±0.014syst)fm. This is in good agreement with a recent calculation using the AV18+3N potential. The neutron-He3 scattering lengths are important for testing and developing nuclear potential models that include three-nucleon forces, effective field theories for few-body nuclear systems, and neutron scattering measurements of quantum excitations in liquid helium. This work demonstrates the first use of a polarized nuclear target in a neutron interferometer.",

author = "Huber, {M. G.} and M. Arif and Black, {T. C.} and Chen, {W. C.} and Gentile, {T. R.} and Hussey, {D. S.} and Pushin, {D. A.} and Wietfeldt, {F. E.} and L. Yang",

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AU - Huber, M. G.

AU - Arif, M.

AU - Black, T. C.

AU - Chen, W. C.

AU - Gentile, T. R.

AU - Hussey, D. S.

AU - Pushin, D. A.

AU - Wietfeldt, F. E.

AU - Yang, L.

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AB - We report the first measurement of the low-energy neutron-He3 incoherent scattering length using neutron interferometry: bi′=(-2.512±0. 012stat±0.014syst)fm. This is in good agreement with a recent calculation using the AV18+3N potential. The neutron-He3 scattering lengths are important for testing and developing nuclear potential models that include three-nucleon forces, effective field theories for few-body nuclear systems, and neutron scattering measurements of quantum excitations in liquid helium. This work demonstrates the first use of a polarized nuclear target in a neutron interferometer.

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