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NSR database version of April 11, 2024.

Search: Author = B.Heckel

Found 16 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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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1984HE08      Phys.Rev. C29, 2389 (1984)

B.Heckel, M.Forte, O.Schaerpf, K.Green, G.L.Greene, N.F.Ramsey, J.Byrne, J.M.Pendlebury

Measurement of Parity Nonconserving Neutron Spin Rotation in Lanthanum

NUCLEAR REACTIONS 139La(n, n), E=0.002 eV; measured neutron polarization vector; deduced parity violating scattering amplitude component. 140La deduced resonance role in enhanced parity mixing.

doi: 10.1103/PhysRevC.29.2389
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1984HE11      J.Phys.(Paris), Colloq.C3, 89 (1984)

B.Heckel, M.Forte, N.F.Ramsey, G.L.Greene, K.Green, J.Byrne, J.M.Pendlebury

Parity Non-Conserving Neutron Spin Rotation

NUCLEAR REACTIONS 139La(polarized n, n), E=low; measured neutron rotation angle, parity nonconserving component; deduced neutron-nucleus weak interaction strength.

1984PE04      Phys.Lett. 136B, 327 (1984)

J.M.Pendlebury, K.F.Smith, R.Golub, J.Byrne, T.J.L.McComb, T.J.Sumner, S.M.Burnett, A.R.Taylor, B.Heckel, N.F.Ramsey, K.Green, J.Morse, A.I.Kilvington, C.A.Baker, S.A.Clark, W.Mampe, P.Ageron, P.C.Miranda

Search for a Neutron Electric Dipole Moment

NUCLEAR MOMENTS 1n; measured NMR; deduced electric dipole moment. Ultra-cold polarized neutrons.

doi: 10.1016/0370-2693(84)92013-6
Citations: PlumX Metrics

1984VO09      Phys.Rev.Lett. 52, 2229 (1984)

T.G.Vold, F.J.Raab, B.Heckel, E.N.Fortson

Search for a Permanent Electric Dipole Moment on the 129Xe Atom

ATOMIC PHYSICS 129Xe; measured atomic electric dipole moment upper limit. Spin exchange with optically pumped Rb atoms.

doi: 10.1103/PhysRevLett.52.2229
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1982HE10      Phys.Lett. 119B, 298 (1982)

B.Heckel, N.F.Ramsey, K.Green, G.L.Greene, R.Gahler, O.Schaerpf, M.Forte, W.Dress, P.D.Miller, R.Golub, J.Byrne, J.M.Pendlebury

A Measurement of Parity Non-Conserving Neutron Spin Rotation in Lead and Tin

NUCLEAR REACTIONS Pb, Sn(polarized n, n), E ≤ 0.001 eV; measured parity nonconserving spin rotation parameter; deduced possible p-wave, structure effects.

doi: 10.1016/0370-2693(82)90674-8
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Note: The following list of authors and aliases matches the search parameter B.Heckel: , B.R.HECKEL