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NSR database version of May 24, 2024.

Search: Author = A.Steyerl

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2020ST13      Phys.Rev. C 102, 045203 (2020)

A.Steyerl, E.Gutsmiedl

Spin-flip loss in magnetic traps for ultracold neutrons

RADIOACTIVITY 1n(β-); calculated spin-flip rates and storage losses for ultracold neutrons (UCNs) trapped in magnetic fields using three theoretical approaches, and comparing their results. Relevance to improved measurement of the neutron lifetime for β decay, and resolution of its current unsatisfactory status.

doi: 10.1103/PhysRevC.102.045203
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2017ST06      Phys.Rev. C 95, 035502 (2017)

A.Steyerl, K.K.H.Leung, C.Kaufman, G.Muller, S.S.Malik

Spin flip loss in magnetic confinement of ultracold neutrons for neutron lifetime experiments

RADIOACTIVITY 1n(β-); analyzed spin flip loss for ultracold neutrons (UCN) in magnetic bottles of the type used in experiments for precise measurement of the neutron lifetime using two dimensions field model for cylindrical multipole fields; also developed a general analysis applicable to three dimensions, and to bowl-type field configuration used for the Los Alamos UCNt experiments. Discussed systematic errors in precision neutron lifetime experiments.

doi: 10.1103/PhysRevC.95.035502
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2012ST10      Phys.Rev. C 85, 065503 (2012)

A.Steyerl, J.M.Pendlebury, C.Kaufman, S.S.Malik, A.M.Desai

Quasielastic scattering in the interaction of ultracold neutrons with a liquid wall and application in a reanalysis of the Mambo I neutron-lifetime experiment

RADIOACTIVITY 1NN(β-); analyzed T1/2 using theory of ultracold and very cold neutron scattering on viscoelastic surface waves up to second-order perturbation theory. Reanalyzed 1989 neutron-lifetime experiment using ultracold neutron storage in a Fomblin-coated vessel by Mampe et al [Phys. Rev. Lett. 63, 593 (1989)]; revised the neutron lifetime value from 887.6(30) s to 882.5(21) s. Comparison with other neutron lifetime measurements. Relevance to Standard Model (SM) predictions and the up-down quark mixing coefficient V2ud.

doi: 10.1103/PhysRevC.85.065503
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2012ST21      Phys.Rev. C 86, 065501 (2012)

A.Steyerl, C.Kaufman, G.Muller, S.S.Malik, A.M.Desai

Ultracold neutron depolarization in magnetic bottles

doi: 10.1103/PhysRevC.86.065501
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2010ST06      Phys.Rev. C 81, 055505 (2010); Erratum Phys.Rev. C 82, 059905 (2010)

A.Steyerl, S.S.Malik, A.M.Desai, C.Kaufman

Surface roughness effect on ultracold neutron interaction with a wall and implications for computer simulations

doi: 10.1103/PhysRevC.81.055505
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2005YE03      J.Res.Natl.Inst.Stand.Technol. 110, 351 (2005)

B.Yerozolimsky, A.Steyerl, O.Kwon, V.Luschikov, A.Strelkov, P.Geltenbort, N.Achiwa, A.Pichlmaier, P.Fierlinger

Neutron Lifetime Experiment Based on an Accordion-Like UCN Storage Volume Coated With "Low Temperature Fomblin"

1990SM01      Phys.Lett. 234B, 191 (1990)

K.F.Smith, N.Crampin, J.M.Pendlebury, D.J.Richardson, D.Shiers, K.Green, A.I.Kilvington, J.Moir, H.B.Prosper, D.Thompson, N.F.Ramsey, B.R.Heckel, S.K.Lamoreaux, P.Ageron, W.Mampe, A.Steyerl

A Search for the Electric Dipole Moment of the Neutron

NUCLEAR MOMENTS 1n; measured electric dipole moment. Stored ultra cold neutrons, magnetic resonance technique.

doi: 10.1016/0370-2693(90)92027-G
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1989MA34      Phys.Rev.Lett. 63, 593 (1989)

W.Mampe, P.Ageron, C.Bates, J.M.Pendlebury, A.Steyerl

Neutron Lifetime Measured with Stored Untracold Neutrons

RADIOACTIVITY 1n; measured T1/2. Stored untracold neutrons.

doi: 10.1103/PhysRevLett.63.593
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1989MA58      Nucl.Instrum.Methods Phys.Res. A284, 111 (1989)

W.Mampe, P.Ageron, C.Bates, J.M.Pendlebury, A.Steyerl

Neutron Lifetime from a Liquid Walled Bottle

RADIOACTIVITY 1n(β-); measured T1/2. Ultracold neutrons in fluid walled bottle.

doi: 10.1016/0168-9002(89)90260-X
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