NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = L.S.Myers

Found 15 matches.

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2020ST04      Phys.Rev. C 101, 035207 (2020)

B.Strandberg, K.G.Fissum, J.R.M.Annand, W.J.Briscoe, J.Brudvik, F.Cividini, L.Clark, E.J.Downie, K.England, G.Feldman, D.I.Glazier, K.Hamilton, K.Hansen, L.Isaksson, R.Al Jebali, M.A.Kovash, A.E.Kudryavtsev, V.Lensky, S.Lipschutz, M.Lundin, M.Meshkian, D.G.Middleton, L.S.Myers, D.O'Donnell, G.V.O'Rielly, B.Oussena, M.F.Preston, B.Schroder, B.Seitz, I.I.Strakovsky, M.Taragin, V.E.Tarasov, for the PIONS at MAX-lab Collaboration

Near-threshold π^- photoproduction on the deuteron

NUCLEAR REACTIONS ²H(γ, π^-), E=147.0, 149.7, 152.3, 154.9, 157.6, 159.8 MeV; measured Eγ, Iγ, total σ(E) using three large NaI(Tl) detectors for γ detection of radiative π^- capture in target at the Tagged-Photon Facility of the MAX IV Laboratory in Sweden; deduced probability of π^- capture inside the LD₂ target. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.101.035207
Citations: PlumX Metrics

2018ST10      Phys.Rev. C 98, 012201 (2018)

B.Strandberg, J.R.M.Annand, W.Briscoe, J.Brudvik, F.Cividini, L.Clark, E.J.Downie, K.England, G.Feldman, K.G.Fissum, D.I.Glazier, K.Hamilton, K.Hansen, L.Isaksson, R.Al Jebali, M.A.Kovash, S.Lipschutz, M.Lundin, M.Meshkian, D.G.Middleton, L.S.Myers, D.O'Donnell, G.O'Rielly, B.Oussena, M.F.Preston, B.Schroder, B.Seitz, I.Strakovsky, M.Taragin, for the COMPTON @ MAX-LAB Collaboration

Compton scattering from the deuteron above pion-production threshold

NUCLEAR REACTIONS ²H(γ, γ'), E=143.2, 148.4, 153.2, 158.5 MeV bremsstrahlung photons produce by electron beam of about 190 MeV at the MAX-IV Laboratory in Lund; measured Eγ, γ(θ), γγ-coin, and differential σ(θ) of Compton scattered photons above the pion-production threshold using Compton and Two-Photon Spectrometer (CATS) at MAX IV Laboratory.

doi: 10.1103/PhysRevC.98.012201
Citations: PlumX Metrics

2015MU09      Phys.Rev. C 92, 034604 (2015)

J.M.Mueller, M.W.Ahmed, B.J.Davis, H.J.Karwowski, D.M.Markoff, L.S.Myers, M.C.Spraker, S.Stave, J.R.Tompkins, H.R.Weller, W.R.Zimmerman

Polarization asymmetries in the ⁹Be (γ, n₀)reaction

NUCLEAR REACTIONS ⁹Be(polarized γ, n), E=5.5-15.5 MeV from High Intensity γ-ray Source (HIγS) at Duke University and TUNL; measure neutron spectra, time-of-flight spectrum, neutron yields parallel and perpendicular to the plane of beam polarization, polarization asymmetries using nearly 100% linearly polarized and monoenergetic γ-ray beam. Comparison with direct capture calculations using only E1 contributions. Relevance to new method of assaying special nuclear materials (SNM).

doi: 10.1103/PhysRevC.92.034604
Citations: PlumX Metrics

2015MY04      Phys.Rev. C 92, 025203 (2015)

L.S.Myers, J.R.M.Annand, J.Brudvik, G.Feldman, K.G.Fissum, H.W.Griesshammer, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, M.Lundin, D.G.Middleton, A.M.Nathan, B.Schroder, S.C.Stave

Compton scattering from the deuteron below pion-production threshold

doi: 10.1103/PhysRevC.92.025203
Citations: PlumX Metrics

2014KA04      Phys.Rev. C 89, 014601 (2014); Pub.Note Phys.Rev. C 89, 019902 (2014)

A.Kafkarkou, M.W.Ahmed, D.P.Kendellen, I.Mazumdar, J.M.Mueller, L.S.Myers, M.H.Sikora, H.R.Weller, W.R.Zimmerman

Cross section measurements of the ¹⁰B(p, γ)¹¹C reaction between 2.0 and 6.0 MeV

NUCLEAR REACTIONS ¹⁰B(p, γ)¹¹C, E=2.0-6.0 MeV; measured Eγ, Iγ, 511-keV annihilation radiation from ¹¹C decay, ¹¹C decay curve, total production σ(E) for ¹¹C by activation method at TUNL tandem accelerator facility; deduced astrophysical S factors. Comparison with previous measurements. Relevance to boron-fueled colliding beam nuclear reactors.

doi: 10.1103/PhysRevC.89.014601
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2209.

2014LA04      Phys.Rev. C 89, 024002 (2014)

G.Laskaris, Q.Ye, B.Lalremruata, Q.J.Ye, M.W.Ahmed, T.Averett, A.Deltuva, D.Dutta, A.C.Fonseca, H.Gao, J.Golak, M.Huang, H.J.Karwowski, J.M.Mueller, L.S.Myers, C.Peng, B.A.Perdue, X.Qian, P.U.Sauer, R.Skibinski, S.Stave, J.R.Tompkins, H.R.Weller, H.Witala, Y.K.Wu, Y.Zhang, W.Zheng

Spin-dependent cross sections from the three-body photodisintegration of ³He at incident energies of 12.8 and 14.7 MeV

NUCLEAR REACTIONS ³He(polarized γ, n), E=12.8, 14.7 MeV; measured time-of-flight spectra, γ spectra, and neutron spectra from three-body breakup of ³He using 16 liquid scintillator detectors, spin-dependent double-differential σ(E, θ) at HiγS-TUNL facility. Monoenergetic circularly polarized γ beam, and longitudinally polarized ³He target. Comparison with previous experimental results, and with theoretical calculations.

doi: 10.1103/PhysRevC.89.024002
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0181.

2014MU01      Phys.Rev. C 89, 034615 (2014)

J.M.Mueller, M.W.Ahmed, R.H.France, M.S.Johnson, H.J.Karwowski, L.S.Myers, J.Randrup, M.H.Sikora, M.C.Spraker, S.Stave, J.R.Tompkins, R.Vogt, H.R.Weller, C.S.Whisnant, W.R.Zimmerman

Prompt neutron polarization asymmetries in photofission of ²³²Th, ^{233, 235, 238}U, ²³⁷Np, and ^{239, 240}Pu

NUCLEAR REACTIONS ²³²Th, ^233,235,238U, ²³⁷Np, ^239,240Pu(polarized γ, F), E=5.3-7.6 MeV; measured E(n), I(n), time-of flight spectrum, angular distribution, and polarization asymmetry of prompt neutrons generated by fission, θ(fragment) at HIγS-TUNL facility; deduced angular distribution coefficients b and c, and compared with predicted values from FREYA computer code of event-by-event Monte Carlo prompt neutron+γ-ray emission calculation. Discussed differences in polarization asymmetries between the even-even actinides and odd-A actinides.

doi: 10.1103/PhysRevC.89.034615
Citations: PlumX Metrics

2014MY01      Phys.Rev. C 89, 035202 (2014)

L.S.Myers, K.Shoniyozov, M.F.Preston, M.D.Anderson, J.R.M.Annand, M.Boselli, W.J.Briscoe, J.Brudvik, J.I.Capone, G.Feldman, K.G.Fissum, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, K.Lewis, M.Lundin, I.J.D.MacGregor, D.G.Middleton, D.E.Mittelberger, M.Murray, A.M.Nathan, S.Nutbeam, G.V.O'Rielly, B.Schroder, B.Seitz, S.C.Stave, H.R.Weller, for the COMPTON @ MAX-lab Collaboration

Compton scattering from ¹²C using tagged photons in the energy range 65-115 MeV

NUCLEAR REACTIONS ¹²C(γ, γ), E=65-115 MeV; measured photon spectra, σ(E, θ) at Tagged-Photon Facility of the MAX IV-Lund Laboratory; deduced bound-nucleon polarizabilities. GEANT4 lineshape analysis of Compton-scattered photon spectrum. Phenomenological model. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.035202
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0037.

2014MY04      Phys.Rev. C 90, 027603 (2014)

L.S.Myers, M.W.Ahmed, G.Feldman, A.Kafkarkou, D.P.Kendellen, I.Mazumdar, J.M.Mueller, M.H.Sikora, H.R.Weller, W.R.Zimmerman

Compton scattering from ⁶Li at 86 MeV

NUCLEAR REACTIONS ⁶Li, ¹⁶O(polarized γ, γ), E=86 MeV; measured Eγ, Iγ, σ(θ) at HIγS facility at TUNL; deduced E1, E2, QD resonance parameters. GEANT4 simulations. Discussed nuclear polarizability. Comparison with earlier experimental results for ¹⁶O target.

doi: 10.1103/PhysRevC.90.027603
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0195.

2014MY06      Phys.Rev.Lett. 113, 262506 (2014)

L.S.Myers, J.R.M.Annand, J.Brudvik, G.Feldman, K.G.Fissum, H.W.Griesshammer, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, M.Lundin, J.A.McGovern, D.G.Middleton, A.M.Nathan, D.R.Phillips, B.Schroder, S.C.Stave, for the COMPTON @ MAX-lab Collaboration

Measurement of Compton Scattering from the Deuteron and an Improved Extraction of the Neutron Electromagnetic Polarizabilities

NUCLEAR REACTIONS ²H(γ, γ), (γ, E), E=65-115 MeV; measured reaction products, Eγ, Iγ; deduced the isoscalar polarizabilities and reduced the statistical uncertainty on these quantities. Comparison with available data.

doi: 10.1103/PhysRevLett.113.262506
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0045.

2013KA48      Nucl.Instrum.Methods Phys.Res. B316, 48 (2013)

A.Kafkarkou, M.W.Ahmed, P.H.Chu, R.H.France, H.J.Karwowski, D.P.Kendellen, G.Laskaris, I.Mazumdar, J.M.Mueller, L.S.Myers, R.M.Prior, M.H.Sikora, M.C.Spraker, H.R.Weller, W.R.Zimmerman

Study of the ¹⁰B(p, α) reaction between 2.1 and 6.0 MeV

NUCLEAR REACTIONS ¹⁰B(p, α), E=2.1-6 MeV; measured reaction products, Eα, Iα; deduced σ(θ), S-factors and their uncertainties. Comparison with available data.

doi: 10.1016/j.nimb.2013.08.029
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2072.

2013LA14      Phys.Rev.Lett. 110, 202501 (2013)

G.Laskaris, Q.Ye, B.Lalremruata, Q.J.Ye, M.W.Ahmed, T.Averett, A.Deltuva, D.Dutta, A.C.Fonseca, H.Gao, J.Golak, M.Huang, H.J.Karwowski, J.M.Mueller, L.S.Myers, C.Peng, B.A.Perdue, X.Qian, P.U.Sauer, R.Skibinski, S.Stave, J.R.Tompkins, H.R.Weller, H.Witala, Y.K.Wu, Y.Zhang, W.Zheng

First Measurements of Spin-Dependent Double-Differential Cross Sections and the Gerasimov-Drell-Hearn Integrand from ³He(pol) (γ(pol), n)pp at Incident Photon Energies of 12.8 and 14.7 MeV

NUCLEAR REACTIONS ³He(polarized γ, n), E=12.8, 14.7 MeV; measured reaction products, En, In; deduced σ, σ(θ, E) and their uncertainties, contributions from the three-body photodisintegration to the ³He Gerasimov-Drell-Hearn integrand. Comparison with available data.

doi: 10.1103/PhysRevLett.110.202501
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0181.

2013WE01      Acta Phys.Pol. B44, 587 (2013)

H.R.Weller, M.W.Ahmed, J.M.Mueller, L.S.Myers, W.R.Zimmerman, G.Feldman, M.H.Sikora

Precise Determination of the Isovector Giant Quadrupole Resonance in Nuclei

NUCLEAR REACTIONS ⁸⁹Y, ²⁰⁹Bi(γ, γ'), E<36 MeV; measured reaction products, Eγ, Iγ; deduced polarization ratios, IVGQR parameters, Isovector E2 energy weighted sum rule, width, resonance parameters. ¹²⁴Sn, ¹⁴²Nd(γ, γ'), E not given; calculated yields.

doi: 10.5506/APhysPolB.44.587
Citations: PlumX Metrics

2012MU01      Phys.Rev. C 85, 014605 (2012)

J.M.Mueller, M.W.Ahmed, B.Davis, J.M.Hall, S.S.Henshaw, M.S.Johnson, H.J.Karwowski, D.Markoff, L.S.Myers, B.A.Perdue, S.Stave, J.R.Tompkins, M.J.Tuffley, H.R.Weller

Measurement of prompt neutron polarization asymmetries in photofission of ^{235, 238}U, ²³⁹Pu, and ²³²Th

NUCLEAR REACTIONS ²³²Th, ^235,238U, ²³⁹Pu(polarized γ, F), E=5.6-7.3 MeV; measured neutron spectra, prompt fission neutron angular distributions polarization asymmetries using High Intensity γ-ray Source (HIγS). Comparison with simplified model of photofission.

doi: 10.1103/PhysRevC.85.014605
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0166.

2012MY05      Phys.Rev. C 86, 044614 (2012)

L.S.Myers, M.W.Ahmed, G.Feldman, S.S.Henshaw, M.A.Kovash, J.M.Mueller, H.R.Weller

Compton scattering from ⁶Li at 60 MeV

NUCLEAR REACTIONS ⁶Li, ¹⁶O(polarized γ, γ), E=60 MeV; measured Compton scattered γ spectra, angular distributions using High Intensity Gamma-Ray Source (HIγS) at TUNL facility; deduced Compton scattering σ(θ).

doi: 10.1103/PhysRevC.86.044614
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0177.