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NSR database version of April 11, 2024.

Search: Author = B.R.Heckel

Found 11 matches.

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2019SW01      Phys.Rev. C 100, 015204 (2019)

H.E.Swanson, B.R.Heckel, C.D.Bass, T.D.Bass, J.M.Dawkins, J.C.Horton, D.Luo, W.M.Snow, S.B.Walbridge, B.E.Crawford, K.Gan, A.M.Micherdzinska, C.Huffer, D.M.Markoff, H.P.Mumm, J.S.Nico, M.Sarsour, E.I.Sharapov, V.Zhumabekova

Experimental upper bound and theoretical expectations for parity-violating neutron spin rotation in 4He

NUCLEAR REACTIONS 4He(polarized n, n), E=cold neutrons; measured polarization, parity-violating neutron spin rotation angle per unit length using a neutron optics crossed polarizer-analyzer with liquid 4He medium at the NIST Center for Neutron Research; deduced result consistent with zero. Comparison with previous experimental results, and with theoretical predictions. Reviewed the theoretical status of parity violation in then+4He system.

doi: 10.1103/PhysRevC.100.015204
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2016GR03      Phys.Rev.Lett. 116, 161601 (2016)

B.Graner, Y.Chen, E.G.Lindahl, B.R.Heckel

Reduced Limit on the Permanent Electric Dipole Moment of 199Hg

NUCLEAR MOMENTS 199Hg; measured electric-field-induced perturbation to the Larmor precession frequency; deduced electric dipole moment limit. Comparison with available data.

doi: 10.1103/PhysRevLett.116.161601
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2011LO15      Phys.Rev.Lett. 106, 253002 (2011)

T.H.Loftus, M.D.Swallows, W.C.Griffith, M.V.Romalis, B.R.Heckel, E.N.Fortson

Measurement of Linear Stark Interference in 199Hg

ATOMIC PHYSICS 199Hg; measured Larmor frequency shifts; deduced Stark interference, E-linear energy shifts similar to a permanent atomic dipole moment.

doi: 10.1103/PhysRevLett.106.253002
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2011SN01      Phys.Rev. C 83, 022501 (2011)

W.M.Snow, C.D.Bass, T.D.Bass, B.E.Crawford, K.Gan, B.R.Heckel, D.Luo, D.M.Markoff, A.M.Micherdzinska, H.P.Mumm, J.S.Nico, A.K.Opper, M.Sarsour, E.I.Sharapov, H.E.Swanson, S.B.Walbridge, V.Zhumabekova

Upper bound on parity-violating neutron spin rotation in 4He

NUCLEAR REACTIONS 4He(polarized n, n), E=slow; measured neutron spin rotation angle per unit length; deduced upper bound on parity-violating neutron spin rotation.

doi: 10.1103/PhysRevC.83.022501
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2009GR02      Phys.Rev.Lett. 102, 101601 (2009)

W.C.Griffith, M.D.Swallows, T.H.Loftus, M.V.Romalis, B.R.Heckel, E.N.Fortson

Improved Limit on the Permanent Electric Dipole Moment of 199Hg

ATOMIC PHYSICS 199Hg; measured electric dipole moment.

doi: 10.1103/PhysRevLett.102.101601
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2005BA56      J.Res.Natl.Inst.Stand.Technol. 110, 205 (2005)

C.D.Bass, J.M.Dawkins, D.Luo, A.Micherdzinska, M.Sarsour, W.M.Snow, H.P.Mumm, J.S.Nico, P.R.Huffman, D.M.Markoff, B.R.Heckel, H.E.Swanson

Measurement of the Parity-Violating Neutron Spin Rotation in 4He

doi: 10.6028/jres.110.025
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1995JA22      Phys.Rev. A52, 3521 (1995)

J.P.Jacobs, W.M.Klipstein, S.K.Lamoreaux, B.R.Heckel, E.N.Fortson

Limit on the Electric-Dipole Moment of 199Hg using Synchronous Optical Pumping

NUCLEAR MOMENTS 199Hg; measured electric dipole moment. Synchronously driven optical pumped atomic oscillators.

ATOMIC PHYSICS 199Hg; measured electric dipole moment. Synchronously driven optical pumped atomic oscillators.

doi: 10.1103/PhysRevA.52.3521
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1993JA13      Phys.Rev.Lett. 71, 3782 (1993)

J.P.Jacobs, W.M.Klipstein, S.K.Lamoreaux, B.R.Heckel, E.N.Fortson

Testing Time-Reversal Symmetry Using 199Hg

ATOMIC PHYSICS 199Hg; measured Larmor precession frequency relative shift; deduced no permanent electric dipole moment for 199Hg, stringent time reversal symmetry limits.

doi: 10.1103/PhysRevLett.71.3782
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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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1989LA02      Phys.Rev. A39, 1082 (1989)

S.K.Lamoreaux, J.P.Jacobs, B.R.Heckel, F.J.Raab, E.N.Fortson

Optical Pumping Technique for Measuring Small Nuclear Quadrupole Shifts in 1S0 Atoms and Testing Spatial Isotropy

NUCLEAR MOMENTS 201Hg; measured nuclear quadrupole shifts. Optical pumping technique.

ATOMIC PHYSICS 201Hg; measured nuclear quadrupole shifts. Optical pumping technique.

doi: 10.1103/PhysRevA.39.1082
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1987LA22      Phys.Rev.Lett. 59, 2275 (1987)

S.K.Lamoreaux, J.P.Jacobs, B.R.Heckel, F.J.Raab, N.Fortson

New Constraints on Time-Reversal Asymmetry from a Search for a Permanent Electric Dipole Moment of 199Hg

ATOMIC PHYSICS 199Hg; measured NMR frequency shift; deduced null permanent electric dipole moment. Optically pumped atomic oscillators.

doi: 10.1103/PhysRevLett.59.2275
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