Precision Measurement of the $n\mathrm{\text{\ensuremath{-}}}^{3}\mathrm{He}$ Incoherent Scattering Length Using Neutron Interferometry

Precision Measurement of the $n − {}^{3}{He}$ 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, and L. Yang

Phys. Rev. Lett. 102, 200401 – Published 18 May 2009; Erratum Phys. Rev. Lett. 103, 179903 (2009)

Abstract

We report the first measurement of the low-energy neutron- ${}^{3}{He}$ incoherent scattering length using neutron interferometry: $b_{i}^{'} = (- 2.512 \pm 0.012 stat \pm 0.014 syst) fm$ . This is in good agreement with a recent calculation using the $AV 18 + 3 N$ potential. The neutron- ${}^{3}{He}$ 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.

Received 15 September 2008

DOI:https://doi.org/10.1103/PhysRevLett.102.200401

Erratum

Erratum: Precision Measurement of the $n − {}^{3}{He}$ Incoherent Scattering Length Using Neutron Interferometry [Phys. Rev. Lett. 102, 200401 (2009)]

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

Phys. Rev. Lett. 103, 179903 (2009)

Authors & Affiliations

M. G. Huber¹, M. Arif², T. C. Black³, W. C. Chen^2,4, T. R. Gentile², D. S. Hussey², D. A. Pushin², F. E. Wietfeldt¹, and L. Yang²

¹Tulane University, New Orleans, Louisiana 70118, USA
²National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
³University of North Carolina at Wilmington, Wilmington, North Carolina 28403, USA
⁴Indiana University, Bloomington, Indiana 47408, USA

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Vol. 102, Iss. 20 — 22 May 2009

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Physical Review Letters

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, and L. Yang

Phys. Rev. Lett. 102, 200401 – Published 18 May 2009; Erratum Phys. Rev. Lett. 103, 179903 (2009)

Abstract

Erratum

Erratum: Precision Measurement of the n−He3 Incoherent Scattering Length Using Neutron Interferometry [Phys. Rev. Lett. 102, 200401 (2009)]

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

Phys. Rev. Lett. 103, 179903 (2009)

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Precision Measurement of the $n − {}^{3}{He}$ Incoherent Scattering Length Using Neutron Interferometry

Erratum: Precision Measurement of the $n − {}^{3}{He}$ Incoherent Scattering Length Using Neutron Interferometry [Phys. Rev. Lett. 102, 200401 (2009)]