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NSR database version of April 11, 2024.

Search: Author = T.A.Laplace

Found 16 matches.

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2024GO02      Nucl.Instrum.Methods Phys.Res. A1061, 169120 (2024)

J.M.Gordon, J.C.Batchelder, L.A.Bernstein, D.L.Bleuel, C.A.Brand, J.A.Brown, B.L.Goldblum, B.G.Frandsen, T.A.Laplace, T.Nagel

GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering

NUCLEAR REACTIONS 56Fe(n, p), (n, n'), E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, the operating characteristics and capabilities of the array. A new spectrometer, GENESIS, was constructed at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory.

doi: 10.1016/j.nima.2024.169120
Citations: PlumX Metrics

2023BR15      Nucl.Instrum.Methods Phys.Res. A1054, 168397 (2023)

J.A.Brown, T.A.Laplace, B.L.Goldblum, J.J.Manfredi, T.S.Johnson, F.Moretti, A.Venkatraman

Absolute light yield of the EJ-204 plastic scintillator

doi: 10.1016/j.nima.2023.168397
Citations: PlumX Metrics

2023CA22      Eur.Phys.J. C 83, 134 (2023)

E.J.Callaghan, B.L.Goldblum, J.A.Brown, T.A.Laplace, J.J.Manfredi, M.Yeh, G.D.Orebi Gann

Measurement of proton light yield of water-based liquid scintillator

doi: 10.1140/epjc/s10052-023-11242-2
Citations: PlumX Metrics

2023LA08      Phys.Rev. C 108, 025804 (2023)

A.C.Larsen, G.M.Tveten, T.Renstrom, H.Utsunomiya, E.Algin, T.Ari-izumi, K.O.Ay, F.L.Bello Garrote, L.Crespo Campo, F.Furmyr, S.Goriely, A.Gorgen, M.Guttormsen, V.W.Ingeberg, B.V.Kheswa, I.K.B.Kullmann, T.Laplace, E.Lima, M.Markova, J.E.Midtbo, S.Miyamoto, A.H.Mjos, V.Modamio, M.Ozgur, F.Pogliano, S.Riemer-Sorensen, E.Sahin, S.Shen, S.Siem, A.Spyrou, M.Wiedeking

New experimental constraint on the 185W(n, γ)186W cross section

NUCLEAR REACTIONS 182,183,184W(γ, n), E=6.5-13 MeV; measured In, En; deduced σ(E), γ-ray strength function (GSF). 186W(α, α'γ), E=30 MeV; measured Eα, Iα, Eγ, Iγ, αγ-coin; deduced nuclear level density (NLD), γ-ray strength function (GSF). 185W(n, γ), T=0.5-1.1 GK; calculated Maxwellian averaged σ(E) (MACS), reaction rate (stellar reactivity), compared with experimental results, and recommended σ in compilations by Bao et al. Comparison to other experimental data, TALYS calculations and KADONIS-1.0 data. Photoneutron reactions were measured with quasi-monochromatic photon beam at NewSubaru synchrotron radiation facility using 4π detector consisting of 20 3He proportional counters. Experiment on inelastic α-scattering was performed at the Oslo Cyclotron Laboratory (OCL) using CACTUS NaI(Tl) scintillator γ-ray detector array, the Silicon Ring (SiRi) detector array and beam from MC-35 Scanditronix cyclotron.

doi: 10.1103/PhysRevC.108.025804
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2022BE24      Phys.Lett. B 834, 137479 (2022)

F.L.Bello Garrote, A.Lopez-Martens, A.C.Larsen, I.Deloncle, S.Peru, F.Zeiser, P.T.Greenlees, B.V.Kheswa, K.Auranen, D.L.Bleuel, D.M.Cox, L.Crespo Campo, F.Giacoppo, A.Gorgen, T.Grahn, M.Guttormsen, T.W.Hagen, L.Harkness-Brennan, K.Hauschild, G.Henning, R.-D.Herzberg, R.Julin, S.Juutinen, T.A.Laplace, M.Leino, J.E.Midtbo, V.Modamio, J.Pakarinen, P.Papadakis, J.Partanen, T.Renstrom, K.Rezynkina, M.Sandzelius, J.Saren, C.Scholey, S.Siem, J.Sorri, S.Stolze, J.Uusitalo

Experimental observation of the M1 scissors mode in 254No

NUCLEAR REACTIONS 208Pb(48Ca, 2n)254No, E=220, 222 MeV; 154Sm(48Ca, 6n)196Pb, E not given; measured Eγ, Iγ, prompt and recoil-gated γ-ray singles spectra, polarization asymmetries of discreet γ rays in 254No and 196Pb; deduced experimental γ-ray yield and compared with simulated γ spectra using RAINIER code, γ-strength function (γSF), B(M1), B(E1), widths, scissors mode of excitation in 254No. Comparison with BSFG + E1SLO + M1SLO model combination; tested parameters for the GDR and the spin-flip resonance by HFB calculations. Comparison of B(M1) strength with QRPA calculations.

doi: 10.1016/j.physletb.2022.137479
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022BL06      Appl.Radiat.Isot. 190, 110509 (2022)

D.L.Bleuel, S.G.Anderson, L.A.Bernstein, J.A.Brown, J.A.Caggiano, B.L.Goldblum, J.M.Gordon, J.M.Hall, K.P.Harrig, M.S.Johnson, T.A.Laplace, R.A.Marsh, M.E.Montague, A.Ratkiewicz, B.Rusnak, C.A.Velsko

The 40Ar(d, p)41Ar cross section between 3-7 MeV

NUCLEAR REACTIONS 40Ar(d, p), E=3.6, 5.5, 7 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data, TALYS calculations. Lawrence Berkeley National Laboratory's 88-Inch Cyclotron.

doi: 10.1016/j.apradiso.2022.110509
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2021LA07      Phys.Rev. C 104, 014609 (2021)

T.A.Laplace, B.L.Goldblum, J.J.Manfredi, J.A.Brown, D.L.Bleuel, C.A.Brand, G.Gabella, J.Gordon, E.Brubaker

Simultaneous measurement of organic scintillator response to carbon and proton recoils

NUCLEAR REACTIONS 1H, 12C(n, n)1H/12C, E=high-flux, broad-spectrum neutron beam from 9Be(d, n), E=33 MeV from the 88-Inch Cyclotron of LBNL; measured light (photon) yields from EJ-309 liquid scintillator and the EJ-204 plastic scintillator using double time-of-flight (TOF) method for proton and carbon recoils in energy ranges of 0.3 to 1 MeV for protons and 2 to 5 MeV for carbon, with Monte Carlo estimation of the systematic uncertainties. Comparison with available experimental data, and with empirically determined functional form for NE-213 scintillator. Relevance to ionization quenching effect in organic scintillators and input for response of organic scintillators for basic science such as search for dark matter and large-scale neutrino studies, and other applications.

doi: 10.1103/PhysRevC.104.014609
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2021NG02      Nucl.Instrum.Methods Phys.Res. A988, 164898 (2021)

L.Q.Nguyen, G.Gabella, B.L.Goldblum, T.A.Laplace, J.S.Carlson, E.Brubaker, P.L.Feng

Boron-loaded organic glass scintillators

doi: 10.1016/j.nima.2020.164898
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2020LA18      J.Instrum. 15, P11020 (2020)

T.A.Laplace, B.L.Goldblum, J.E.Bevins, D.L.Bleuel, E.Bourret, J.A.Brown, E.J.Callaghan, J.S.Carlson, P.L.Feng, G.Gabella, K.P.Harrig, J.J.Manfredi, C.Moore, F.Moretti, M.Shinner, A.Sweet, Z.W.Sweger

Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass

doi: 10.1088/1748-0221/15/11/P11020
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2019ZE03      Phys.Rev. C 100, 024305 (2019)

F.Zeiser, G.M.Tveten, G.Potel, A.C.Larsen, M.Guttormsen, T.A.Laplace, S.Siem, D.L.Bleuel, B.L.Goldblum, L.A.Bernstein, F.L.Bello Garrote, L.Crespo Campo, T.K.Eriksen, A.Gorgen, K.Hadynska-Klek, V.W.Ingeberg, J.E.Midtbo, E.Sahin, T.Tornyi, A.Voinov, M.Wiedeking, J.Wilson

Restricted spin-range correction in the Oslo method: The example of nuclear level density and γ-ray strength function from 239Pu (d, pγ)240Pu

NUCLEAR REACTIONS 239Pu(d, p)240Pu, E=12 MeV; measured Eγ, Iγ, Ep, Ip, γp-coin using SiRi particle telescopes and CACTUS γ-ray detector array at the Oslo Cyclotron Laboratory; deduced nuclear level density, γ-ray strength function using Oslo method. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.100.024305
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2018HA39      Nucl.Instrum.Methods Phys.Res. A877, 359 (2018)

K.P.Harrig, B.L.Goldblum, J.A.Brown, D.L.Bleuel, L.A.Bernstein, J.Bevins, M.Harasty, T.A.Laplace, E.F.Matthews

Neutron Spectroscopy for pulsed beams with frame overlap using a double time-of-flight technique

NUCLEAR REACTIONS 9Be(d, X)0-NN-1, E=16 MeV; measured reaction products, En, In; deduced thick target yields.

doi: 10.1016/j.nima.2017.09.051
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2390.

2017RO16      Phys.Rev. C 96, 014601 (2017)

S.J.Rose, F.Zeiser, J.N.Wilson, A.Oberstedt, S.Oberstedt, S.Siem, G.M.Tveten, L.A.Bernstein, D.L.Bleuel, J.A.Brown, L.Crespo Campo, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska, A.Hafreager, T.W.Hagen, M.Klintefjord, T.A.Laplace, A.C.Larsen, T.Renstrom, E.Sahin, C.Schmitt, T.G.Tornyi, M.Wiedeking

Energy dependence of the prompt γ-ray emission from the (d, p) -induced fission of 234U* and 240Pu*

NUCLEAR REACTIONS 233U(d, pF)234U*, E=12.5 MeV; 239Pu(d, pF)239Pu*, E=12 MeV; measured protons, fission fragments, Eγ, p(one of the fission fragments)γ-coin using CACTUS array for γ detection, SiRi detector array for charged-particles and NIFF detector for fission fragments at Oslo Cyclotron Laboratory (OCL); deduced prompt-fission γ-ray spectral (PFGS) distributions, multiplicity, average γ-ray energy, and total γ-ray energy as function of excitation energy. Comparison with model calculations using the fission model code GEF.

doi: 10.1103/PhysRevC.96.014601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2415.

2016BE24      Phys.Rev. C 94, 034303 (2016)

N.Benczer-Koller, G.J.Kumbartzki, K.-H.Speidel, D.A.Torres, S.J.Q.Robinson, Y.Y.Sharon, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, A.Wiens

Magnetic moment and lifetime measurements of Coulomb-excited states in 106Cd

NUCLEAR REACTIONS 12C(106Cd, 106Cd'), E=410 MeV; measured particle spectra using Si surface-barrier detector, Eγ, Iγ, (particle)γ-coin using four clover HPGe detectors, g factors by the transient-field technique, level half-lives by DSAM at LBNL cyclotron facility. Coulomb excitation. 106Cd; deduced levels, J, B(E2). Comparison with large-scale shell-model, and collective model calculations.

doi: 10.1103/PhysRevC.94.034303
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016KU05      Phys.Rev. C 93, 044316 (2016)

G.J.Kumbartzki, N.Benczer-Koller, K.-H.Speidel, D.A.Torres, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, G.Gurdal, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, S.J.Q.Robinson, Y.Y.Sharon, A.Wiens

Z = 50 core stability in 110Sn from magnetic-moment and lifetime measurements

NUCLEAR REACTIONS 12C(106Cd, 8Be)110Sn, 12C(106Cd, 12C)106Cd, E=390, 400, 410 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin, γγ(θ), level half-lives using DSAM and lineshape analysis, g factors using transient field technique at LBNL 88-Inch Cyclotron facility, multi-layered target of carbon, gadolinium, tantalum and copper layers. 110Sn; deduced levels, J, π, B(E2), magnetic moments, configurations, no evidence for excitation of protons from the closed Z=50 core. Comparison with previous experimental results, and with shell model calculations. Systematics of B(E2) values for the first 2+ states in A=104-130, even-even Sn nuclei.

NUCLEAR MOMENTS 110Sn; measured g factors using transient field technique in 12C(106Cd, 8Be) reaction at 410 MeV, and using a multi-layered target; deduced magnetic moments. Comparison with shell model calculations. Systematics of g factors for the first 2+ states in A=104-130, even-even Sn nuclei.

doi: 10.1103/PhysRevC.93.044316
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016LA02      Phys.Rev. C 93, 014323 (2016); Pub.Note Phys.Rev. C 100, 039901 (2019)

T.A.Laplace, F.Zeiser, M.Guttormsen, A.C.Larsen, D.L.Bleuel, L.A.Bernstein, B.L.Goldblum, S.Siem, F.L.Bello Garotte, J.A.Brown, L.C.Campo, T.K.Eriksen, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, R.A.Henderson, M.Klintefjord, M.Lebois, T.Renstrom, S.J.Rose, E.Sahin, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.N.Wilson, W.Younes

Statistical properties of 243Pu, and 242Pu(n, γ) cross section calculation

NUCLEAR REACTIONS 242Pu(d, p), E=12 MeV; measured Eγ, particle spectra, (particle)γ-coin using CACTUS γ-spectrometer and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ-strength functions (γSF) in the quasicontinuum using the Oslo method, level density, centroid energy, strength and γSF of M1-scissors resonance, sum-rule estimates. 242Pu(n, γ), E=0.001-5 MeV; calculated σ(n, γ) using TALYS and level density and γSF parameters from the present work. Comparison with published data, and ENDF/B-VII.1, JENDL-4.0 and TENDL2014.

doi: 10.1103/PhysRevC.93.014323
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2012QU03      Phys.Rev. C 86, 034307 (2012)

B.J.Quiter, T.Laplace, B.A.Ludewigt, S.D.Ambers, B.L.Goldblum, S.Korbly, C.Hicks, C.Wilson

Nuclear resonance fluorescence in 240Pu

NUCLEAR REACTIONS 240Pu(γ, γ'), E=2.1-2.8 MeV; measured Eγ, Iγ; deduced integrated cross sections, levels. Eγ<3 MeV bremsstrahlung source. Application to nuclear forensics and nuclear safeguards.

doi: 10.1103/PhysRevC.86.034307
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0176. Data from this article have been entered in the XUNDL database. For more information, click here.

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Note: The following list of authors and aliases matches the search parameter T.A.Laplace: , T.A.LAPLACE