Deuterated polyethylene coatings for ultra-cold neutron applications

Th Brenner; P. Fierlinger; P. Geltenbort; E. Gutsmiedl; A. Hollering; T. Lauer; G. Petzoldt; D. Ruhstorfer; J. Schroffenegger; K. M. Seemann; O. Soltwedel; St Stuiber; B. Taubenheim; D. Windmayer; T. Zechlau

doi:10.1063/1.4931388

Deuterated polyethylene coatings for ultra-cold neutron applications

Th Brenner, P. Fierlinger, P. Geltenbort, E. Gutsmiedl, A. Hollering, T. Lauer, G. Petzoldt, D. Ruhstorfer, J. Schroffenegger, K. M. Seemann, O. Soltwedel, St Stuiber, B. Taubenheim, D. Windmayer, T. Zechlau

Chair of Precision Measurements at Extreme Conditions

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Abstract

We report on the fabrication and use of deuterated polyethylene as a coating material for ultra-cold neutron (UCN) storage and transport. The Fermi potential has been determined to be 214 neV, and the wall loss coefficient η is 1.3 × 10⁴ per wall collision. The coating technique allows for a wide range of applications in this field of physics. In particular, flexible and quasi-massless UCN guides with slit-less shutters and seamless UCN storage volumes become possible. These properties enable the use in next-generation measurements of the electric dipole moment of the neutron.

Original language	English
Article number	121604
Journal	Applied Physics Letters
Volume	107
Issue number	12
DOIs	https://doi.org/10.1063/1.4931388
State	Published - 21 Sep 2015

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Brenner, T., Fierlinger, P., Geltenbort, P., Gutsmiedl, E., Hollering, A., Lauer, T., Petzoldt, G., Ruhstorfer, D., Schroffenegger, J., Seemann, K. M., Soltwedel, O., Stuiber, S., Taubenheim, B., Windmayer, D., & Zechlau, T. (2015). Deuterated polyethylene coatings for ultra-cold neutron applications. Applied Physics Letters, 107(12), Article 121604. https://doi.org/10.1063/1.4931388

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abstract = "We report on the fabrication and use of deuterated polyethylene as a coating material for ultra-cold neutron (UCN) storage and transport. The Fermi potential has been determined to be 214 neV, and the wall loss coefficient η is 1.3 × 104 per wall collision. The coating technique allows for a wide range of applications in this field of physics. In particular, flexible and quasi-massless UCN guides with slit-less shutters and seamless UCN storage volumes become possible. These properties enable the use in next-generation measurements of the electric dipole moment of the neutron.",

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AU - Brenner, Th

AU - Fierlinger, P.

AU - Geltenbort, P.

AU - Gutsmiedl, E.

AU - Hollering, A.

AU - Lauer, T.

AU - Petzoldt, G.

AU - Ruhstorfer, D.

AU - Schroffenegger, J.

AU - Seemann, K. M.

AU - Soltwedel, O.

AU - Stuiber, St

AU - Taubenheim, B.

AU - Windmayer, D.

AU - Zechlau, T.

PY - 2015/9/21

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AB - We report on the fabrication and use of deuterated polyethylene as a coating material for ultra-cold neutron (UCN) storage and transport. The Fermi potential has been determined to be 214 neV, and the wall loss coefficient η is 1.3 × 104 per wall collision. The coating technique allows for a wide range of applications in this field of physics. In particular, flexible and quasi-massless UCN guides with slit-less shutters and seamless UCN storage volumes become possible. These properties enable the use in next-generation measurements of the electric dipole moment of the neutron.

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Deuterated polyethylene coatings for ultra-cold neutron applications

Abstract

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