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NSR database version of April 11, 2024.

Search: Author = Y.K.Wu

Found 15 matches.

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2022HO01      J.Phys.(London) G49, 010502 (2022)

C.R.Howell, M.W.Ahmed, A.Afanasev, D.Alesini, J.R.M.Annand, A.Aprahamian, D.L.Balabanski, S.V.Benson, A.Bernstein, C.R.Brune, J.Byrd, B.E.Carlsten, A.E.Champagne, S.Chattopadhyay, D.Davis, E.J.Downie, J.M.Durham, G.Feldman, H.Gao, C.G.R.Geddes, H.W.Griesshammer, R.Hajima, H.Hao, D.Hornidge, J.Isaak, R.V.F.Janssens, D.P.Kendellen, M.Kovash, P.P.Martel, U.-G.Meissner, R.Miskimen, B.Pasquini, D.R.Phillips, N.Pietralla, D.Savran, M.R.Schindler, M.H.Sikora, W.M.Snow, R.P.Springer, C.Sun, C.Tang, B.Tiburzi, A.P.Tonchev, W.Tornow, C.A.Ur, D.Wang, H.R.Weller, V.Werner, Y.K.Wu, J.Yan, Z.Zhao, A.Zilges, F.Z.Zomer

International workshop on next generation gamma-ray source

doi: 10.1088/1361-6471/ac2827
Citations: PlumX Metrics


2022LI18      Phys.Rev.Lett. 128, 132502 (2022)

X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.M.Markoff, J.A.McGovern, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao

Proton Compton Scattering from Linearly Polarized Gamma Rays

NUCLEAR REACTIONS 1H(polarized γ, γ'), E=83.4 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), electromagnetic dipole polarizabilities of the proton. The High Intensity Gamma-Ray Source facility at the Triangle Universities Nuclear Laboratory.

doi: 10.1103/PhysRevLett.128.132502
Citations: PlumX Metrics


2021LA03      Phys.Rev. C 103, 034311 (2021)

G.Laskaris, W.Ji, X.Yan, J.Zhou, W.R.Zimmerman, M.W.Ahmed, T.Averett, A.Deltuva, A.C.Fonseca, H.Gao, J.Golak, A.Kafkarkou, H.J.Karwowski, B.Lalremruata, J.Manfredi, J.M.Mueller, P.U.Sauer, R.Skibinski, A.P.Smith, M.B.Tsang, H.R.Weller, H.Witala, Y.K.Wu, Z.W.Zhao

First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the 3He((pol)(γ(pol), p)2H reaction at an incident photon energy of 29 MeV

NUCLEAR REACTIONS 3He(polarized γ, p)2H, E=29 MeV; measured Ep, Ip, p(θ), time-of-flight, spin-dependent asymmetry and total σ using a circularly polarized, monoenergetic γ-ray beam and a longitudinally polarized 3He target, and an array of depleted silicon surface barrier detectors at the High Intensity γ-ray Source (HIγS) facility at TUNL; deduced contribution from the two-body photo-disintegration to the 3He Gerasimov-Drell-Hearn (GDH) integrands, and compared with the state-of-the art three-nucleon system calculations.

doi: 10.1103/PhysRevC.103.034311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0271.


2020LI10      Phys.Rev. C 101, 034618 (2020)

X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.Markoff, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao

Compton scattering from 4He at the TUNL HIγS facility

NUCLEAR REACTIONS 4He(polarized γ, γ), E=81.3 MeV, 100% circularly and linearly polarized γ-ray beam via Compton backscattering from HiγS at TUNL; measured Compton scattered photons at different angles, time-of-flight spectra using an array of large NaI(Tl) detectors; deduced differential σ(θ). Comparison with previous experimental data from Lund at Eγ=87 MeV.

doi: 10.1103/PhysRevC.101.034618
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0259.


2017SI26      Phys.Rev. C 96, 055209 (2017)

M.H.Sikora, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, G.Feldman, H.Gao, H.W.Griesshammer, H.Hao, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, X.Li, D.M.Markoff, S.Mikhailov, V.Popov, R.E.Pywell, J.A.Silano, M.C.Spraker, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, W.Xiong, X.Yan, Z.W.Zhao

Compton scattering from 4He at 61 MeV

NUCLEAR REACTIONS 4He(γ, γ'), E=61 MeV; measured Eγ, Iγ, Compton scattering differential σ(θ) using NaI(Tl) detectors and liquid 4He target at HIγS facility at TUNL. Data interpreted using phenomenological model sensitive to the dipole isoscalar electromagnetic polarizabilities of the nucleon. Comparison with previous experimental data. Benchmarks for future calculations from effective field theories and lattice quantum chromodynamics.

doi: 10.1103/PhysRevC.96.055209
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0232.


2015LA22      Phys.Lett. B 750, 547 (2015)

G.Laskaris, X.Yan, J.M.Mueller, W.R.Zimmerman, W.Xiong, M.W.Ahmed, T.Averett, P.-H.Chu, A.Deltuva, C.Flower, A.C.Fonseca, H.Gao, J.Golak, J.N.Heideman, H.J.Karwowski, M.Meziane, P.U.Sauer, R.Skibinski, I.I.Strakovsky, H.R.Weller, H.Witala, Y.K.Wu

Measurement of the doubly-polarized 3He(pol)(γ(pol), n)pp reaction at 16.5 MeV and its implications for the GDH sum rule

NUCLEAR REACTIONS 3He(polarized γ, n), E=12.8, 14.7 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ(θ, E), σ, contribution from the three-body channel to the Gerasimov-Drell-Hearn (GDH) integrand. Comparison with available data, Monte Carlo simulations using GEANT4.

doi: 10.1016/j.physletb.2015.09.065
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0212.


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.


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.


2013ZI03      Phys.Rev.Lett. 110, 152502 (2013)

W.R.Zimmerman, M.W.Ahmed, B.Bromberger, S.C.Stave, A.Breskin, V.Dangendorf, Th.Delbar, M.Gai, S.S.Henshaw, J.M.Mueller, C.Sun, K.Tittelmeier, H.R.Weller, Y.K.Wu

Unambiguous Identification of the Second 2+ State in 12C and the Structure of the Hoyle State

NUCLEAR REACTIONS 12C(γ, α)8Be, E=9.1-10.7 MeV; measured reaction products, Eα, Iα. 12C; deduced second 2+ Hoyle state, widths, B(E2). Comparison with available data.

doi: 10.1103/PhysRevLett.110.152502
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0180. Data from this article have been entered in the XUNDL database. For more information, click here.


2009PI14      Phys.Lett. B 681, 134 (2009)

N.Pietralla, T.C.Li, M.Fritzsche, M.W.Ahmed, T.Ahn, A.Costin, J.Enders, J.Li, S.Muller, P.von Neumann-Cosel, I.V.Pinayev, V.Yu.Ponomarev, D.Savran, A.P.Tonchev, W.Tornow, H.R.Weller, V.Werner, Y.K.Wu, A.Zilges

Competition between excited core states and 1hω single-particle excitations at comparable energies in 207Pb from photon scattering

NUCLEAR REACTIONS 208Pb(polarized γ, γ'), E=5.5, 5.6 MeV; measured Eγ, Iγ using the azimuthal nuclear resonance fluorescence intensity asymmetry technique. 206,207,208Pb; deduced levels, J, π.

doi: 10.1016/j.physletb.2009.09.059
Citations: PlumX Metrics


2009RU04      Phys.Rev. C 79, 047601 (2009)

G.Rusev, A.P.Tonchev, R.Schwengner, C.Sun, W.Tornow, Y.K.Wu

Multipole mixing ratios of transitions in 11B

NUCLEAR REACTIONS 11B(polarized γ, γ'), E=1-100 MeV; measured Eγ, Iγ, azimuthal asymmetries; deduced levels, mixing ratios.

doi: 10.1103/PhysRevC.79.047601
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2008BL14      Phys.Rev. C 78, 034003 (2008); Publishers Note Phys.Rev. C 78, 069905 (2008)

M.A.Blackston, M.A.Ahmed, B.A.Perdue, H.R.Weller, B.Bewer, R.E.Pywell, W.A.Wurtz, R.Igarashi, S.Kucuker, B.Norum, K.Wang, J.Li, S.F.Mikhailov, V.G.Popov, Y.K.Wu, B.D.Sawatzky

First observation of the splittings of the E1 p-wave amplitudes in low energy deuteron photodisintegration and its implications for the Gerasimov-Drell-Hearn Sum Rule integrand

NUCLEAR REACTIONS 2H(polarized γ, n), E=14, 16 MeV; measured σ, σ(θ), linear analyzing power, phase shifts.

doi: 10.1103/PhysRevC.78.034003
Citations: PlumX Metrics


2006LI23      Phys.Rev. C 73, 054306 (2006)

T.C.Li, N.Pietralla, A.P.Tonchev, M.W.Ahmed, T.Ahn, C.Angell, M.A.Blackston, A.Costin, K.J.Keeter, J.Li, A.Lisetskiy, S.Mikhailov, Y.Parpottas, B.A.Perdue, G.Rainovski, W.Tornow, H.R.Weller, Y.K.Wu

First evidence for spin-flip M1 strength in 40Ar

NUCLEAR REACTIONS 40Ar(polarized γ, γ'), E=7.7-11 MeV; measured Eγ, Iγ, asymmetry. 40Ar deduced levels, J, π, excitation B(E1), B(M1), spin-flip M1 strength. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.73.054306
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2005SA15      Phys.Rev. C 71, 034304 (2005)

D.Savran, S.Muller, A.Zilges, M.Babilon, M.W.Ahmed, J.H.Kelley, A.Tonchev, W.Tornow, H.R.Weller, N.Pietralla, J.Li, I.V.Pinayev, Y.K.Wu

Parity assignments in 172, 174Yb using polarized photons and the K quantum number in rare earth nuclei

NUCLEAR REACTIONS 172,174Yb(polarized γ, γ'), E=2930, 3005, 3550 keV; measured Eγ, Iγ, asymmetries. 172,174Yb levels deduced π. Parity and branching ratio systematics discussed.

doi: 10.1103/PhysRevC.71.034304
Citations: PlumX Metrics


2004FR30      Phys.Rev. C 70, 044317 (2004)

C.Fransen, N.Pietralla, A.P.Tonchev, M.W.Ahmed, J.Chen, G.Feldman, U.Kneissl, J.Li, V.N.Litvinenko, B.Perdue, I.V.Pinayev, H.H.Pitz, R.Prior, K.Sabourov, M.Spraker, W.Tornow, H.R.Weller, V.Werner, Y.K.Wu, S.W.Yates

Parity assignments to strong dipole excitations of 92Zr and 96Mo

NUCLEAR REACTIONS 92Zr(polarized γ, γ'), E=3.47, 3.64 MeV; 96Mo(γ, γ'), E=2.80, 3.30, 3.43, 3.60, 3.90 MeV; measured Eγ, Iγ, azimuthal asymmetry. 92Zr, 96Mo levels deduced π.

doi: 10.1103/PhysRevC.70.044317
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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