NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = K.Siegl Found 15 matches. 2023GA11 Phys.Rev.Lett. 130, 192502 (2023) A.T.Gallant, N.D.Scielzo, G.Savard, J.A.Clark, M.Brodeur, F.Buchinger, D.P.Burdette, M.T.Burkey, S.Caldwell, J.E.Crawford, A.Czeszumska, C.M.Deibel, J.Greene, D.Heslop, T.Y.Hirsh, A.F.Levand, B.Longfellow, G.E.Morgan, P.Mueller, R.Orford, S.Padgett, N.Paul, A.Perez Galvan, A.Reimer, R.Segel, K.S.Sharma, K.Siegl, L.Varriano, B.J.Zabransky Angular Correlations in the β Decay of 8B: First Tensor-Current Limits from a Mirror-Nucleus Pair RADIOACTIVITY 8B(β+); measured decay products, Eβ, Iβ; deduced the α-β-ν angular correlation in the Gamow-Teller β+ decay. The Beta-decay Paul Trap.
doi: 10.1103/PhysRevLett.130.192502
2023GR04 Phys.Rev.Lett. 130, 242501 (2023) T.J.Gray, J.M.Allmond, Z.Xu, T.T.King, R.S.Lubna, H.L.Crawford, V.Tripathi, B.P.Crider, R.Grzywacz, S.N.Liddick, A.O.Macchiavelli, T.Miyagi, A.Poves, A.Andalib, E.Argo, C.Benetti, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, J.Chan, A.Chester, J.Christie, B.R.Clark, I.Cox, A.A.Doetsch, J.Dopfer, J.G.Duarte, P.Fallon, A.Frotscher, T.Gaballah, J.T.Harke, J.Heideman, H.Huegen, J.D.Holt, R.Jain, N.Kitamura, K.Kolos, F.G.Kondev, A.Laminack, B.Longfellow, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.Neupane, A.Nowicki, T.H.Ogunbeku, W.-J.Ong, C.Porzio, C.J.Prokop, B.C.Rasco, E.K.Ronning, E.Rubino, T.J.Ruland, K.P.Rykaczewski, L.Schaedig, D.Seweryniak, K.Siegl, M.Singh, A.E.Stuchbery, S.L.Tabor, T.L.Tang, T.Wheeler, J.A.Winger, J.L.Wood Microsecond Isomer at the N=20 Island of Shape Inversion Observed at FRIB RADIOACTIVITY 32Na(IT), (β-) [from 9Be(48Ca, X), E=172.3 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, isomeric T1/2, B(E2), single-particle occupancies. Comparison with calculations. The Advanced Rare Isotope Separator (ARIS), the FRIB Decay Station initiator (FDSi).
doi: 10.1103/PhysRevLett.130.242501
2023LU07 Phys.Rev. C 108, 014329 (2023) R.S.Lubna, S.N.Liddick, T.H.Ogunbeku, A.Chester, J.M.Allmond, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, K.L.Childers, P.Chowdhury, J.Christie, B.R.Clark, R.M.Clark, I.Cox, H.L.Crawford, B.P.Crider, A.A.Doetsch, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, R.Grzywacz, J.T.Harke, A.C.Hartley, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, E.Lamere, R.Lewis, B.Longfellow, S.Lyons, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.K.Neupane, W.-J.Ong, D.Perez-Loureiro, C.Porzio, C.J.Prokop, A.L.Richard, E.K.Ronning, E.Rubino, K.Rykaczewski, D.Seweryniak, K.Siegl, U.Silwal, M.Singh, D.P.Siwakoti, D.C.Smith, M.K.Smith, S.L.Tabor, T.L.Tang, V.Tripathi, A.Volya, T.Wheeler, Y.Xiao, Z.Xu β decay of 36Mg and 36Al: Identification of a β-decaying isomer in 36Al RADIOACTIVITY 36Mg, 36Al(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon for experiment at NSCL and 9Be(48Ca, X), E=172.3 MeV/nucleon for experiment at FRIB]; 36Al, 36mAl(β-)[from 36Mg(β-); measured Eγ, Iγ; deduced T1/2. 36Al; deduced levels, J, π, newly-observed β-decaying isomer, T1/2 of the isomer. 36Si; deduced levels, J, π. Comparison to shell model calculations performed with the FSU interaction using code CoSMo. For experiment at NSCL - CeBr3 based implantation detector with position-sensitive photomultiplier tube was surrounded by 16 segmented germanium detectors (SeGa) and 15 LaBr3 detectors. For experiment at FRIB - YSO scintillator based implantation detector segmented into 48x48 pixels was surrounded by 11 HPGe clover detectors and LaBr3 detectors from one side and the neutron detector array VANDLE from the other side.
doi: 10.1103/PhysRevC.108.014329
2022BU16 Phys.Rev.Lett. 128, 202502 (2022) M.T.Burkey, G.Savard, A.T.Gallant, N.D.Scielzo, J.A.Clark, T.Y.Hirsh, L.Varriano, G.H.Sargsyan, K.D.Launey, M.Brodeur, D.P.Burdette, E.Heckmaier, K.Joerres, J.W.Klimes, K.Kolos, A.Laminack, K.G.Leach, A.F.Levand, B.Longfellow, B.Maass, S.T.Marley, G.E.Morgan, P.Mueller, R.Orford, S.W.Padgett, A.Perez Galvan, J.R.Pierce, D.Ray, R.Segel, K.Siegl, K.S.Sharma, B.S.Wang Improved Limit on Tensor Currents in the Weak Interaction from 8Li β Decay RADIOACTIVITY 8Li(β-); measured decay products, Eβ, Iβ; deduced tensor currents in the low-energy regime by examining the β-ν correlation of trapped 8Li ions with the Beta-decay Paul Trap. Comparison with the standard model prediction.
doi: 10.1103/PhysRevLett.128.202502
2022CR03 Phys.Rev.Lett. 129, 212501 (2022) H.L.Crawford, V.Tripathi, J.M.Allmond, B.P.Crider, R.Grzywacz, S.N.Liddick, A.Andalib, E.Argo, C.Benetti, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, J.Chan, A.Chester, J.Christie, B.R.Clark, I.Cox, A.A.Doetsch, J.Dopfer, J.G.Duarte, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, J.T.Harke, J.Heideman, H.Heugen, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, A.Laminack, B.Longfellow, R.S.Lubna, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.Neupane, A.Nowicki, T.H.Ogunbeku, W.-J.Ong, C.Porzio, C.J.Prokop, B.C.Rasco, E.K.Ronning, E.Rubino, T.J.Ruland, K.P.Rykaczewski, L.Schaedig, D.Seweryniak, K.Siegl, M.Singh, S.L.Tabor, T.L.Tang, T.Wheeler, J.A.Winger, Z.Xu Crossing N = 28 Toward the Neutron Drip Line: First Measurement of Half-Lives at FRIB RADIOACTIVITY 44,45P, 42,43Si, 39,40,41Al, 36,37,38Mg, 35Na, 32Ne, 29F(β-), (β-n), (β-2n) [from 9Be(48Ca, X), E=172.3 MeV/nucleon]; measured decay products, Eβ, Iβ, En, In; deduced T1/2. Comparison with the latest quasiparticle random phase approximation and shell-model calculations and available data. The Facility for Rare Isotope Beams (FRIB) with the FRIB decay station initiator.
doi: 10.1103/PhysRevLett.129.212501
2022NE12 Phys.Rev. C 106, 044320 (2022) S.Neupane, J.Heideman, R.Grzywacz, M.Cooper, J.Hooker, K.L.Jones, T.T.King, N.Kitamura, M.Madurga, K.Siegl, C.R.Thornsberry, P.Wagenknecht, Z.Y.Xu, L.H.Heilbronn, M.M.Rajabali, A.Chester, A.Richard, Y.Alberty-Jones, J.Derkin, T.N.Massey, D.Soltesz, N.T.Brewer, B.C.Rasco, K.P.Rykaczewski, M.Wolinska-Cichocka, J.Clark, D.Santiago-Gonzalez, G.Savard Demonstration of the neutron tracking capability of NEXT array in time-of-flight measurements to improve energy resolution RADIOACTIVITY 17N, 104Nb(β-n); measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Measurement of 17N decay at National Superconducting Cyclotron Laboratory (NSCL), 106Nb decay Argonne National Laboratory (ANL, CARIBU Facility). NUCLEAR REACTIONS 27Al(d, n), E=7.44 MeV; measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Deuteron beam from Ohio University Edwards Accelerator Laboratory (EAL).
doi: 10.1103/PhysRevC.106.044320
2021WI11 Nucl.Instrum.Methods Phys.Res. A1017, 165806 (2021) G.L.Wilson, T.S.Nagel, S.T.Marley, N.D.Scielzo, A.Aprahamian, J.A.Clark, A.Czeszumska, G.Savard, K.Siegl, B.S.Wang Reconstruction of β-delayed neutron energy spectra from recoil-ion spectroscopy of trapped ions RADIOACTIVITY 137I, 99Y, 135Sb(β-n); calculated neutron-energy spectrum and the probability of β-delayed neutron emission.
doi: 10.1016/j.nima.2021.165806
2020CZ01 Phys.Rev. C 101, 024312 (2020) A.Czeszumska, N.D.Scielzo, S.A.Caldwell, J.A.Clark, G.Savard, B.S.Wang, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed neutron emission studies of 137,138I and 144,145Cs performed with trapped ions RADIOACTIVITY 137,138I, 144,145Cs(β-), (β-n)[252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with previous experimental results.
doi: 10.1103/PhysRevC.101.024312
2020WA04 Phys.Rev. C 101, 025806 (2020) B.S.Wang, S.A.Caldwell, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed-neutron studies of 135,136Sb and 140I performed with trapped ions RADIOACTIVITY 135,136Sb, 140I(β-), (β-n) [from 252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.101.025806
2018SI07 Phys.Rev. C 97, 035504 (2018) K.Siegl, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, S.A.Caldwell, B.S.Alan, M.T.Burkey, C.J.Chiara, J.P.Greene, J.Harker, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, R.Orford, S.Padgett, A.Perez Galvan, K.S.Sharma, S.Y.Strauss Recoil ions from the β decay of 134Sb confined in a Paul trap RADIOACTIVITY 134,134mSb(β-)[from 252Cf SF decay at CARIBU-ANL facility]; measured β, γ, singly-charged recoil ions, βγ-coin, β(ce)-coin, (recoils)β-coin, time-of-flight spectra for β(ion)-coin using Beta-decay Paul Trap (BPT); deduced charge-state distribution of the recoiling ions, mean electron loss, β-ν correlation coefficient (aβν), β-decay simulations, significant β-decay strength (17.2%) to high-lying excited states in 134Te to obtain an angular correlation consistent with expected value of unity for 0- to 0+ β transition. Comparison of the observed β-decay spectrum with that from the decay scheme in the ENSDF database or Nuclear Data Sheets for 134Sb g.s. decay. Comparison of mean atomic electron loss in 134Sb decay with that from the decays of noble gases 6He, 23Ne, 35Ar, 41Ar, 85Kr and 133Xe. 134,134mSb; half-lives used from literature and those determined at CARIBU-ANL facility (reference 23 in this work).
doi: 10.1103/PhysRevC.97.035504
2018SI28 Phys.Rev. C 98, 054307 (2018) K.Siegl, K.Kolos, N.D.Scielzo, A.Aprahamian, G.Savard, M.T.Burkey, M.P.Carpenter, P.Chowdhury, J.A.Clark, P.Copp, G.J.Lane, C.J.Lister, S.T.Marley, E.A.McCutchan, A.J.Mitchell, J.Rohrer, M.L.Smith, S.Zhu Β-decay half-lives of 134, 134mSb and their isomeric yield ratio produced by the spontaneous fission of 252Cf RADIOACTIVITY 134m,134Sb(β-)[from 252Cf(SF), mass separated high-intensity beams]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, half-lives of decays of 134Sb and 134mSb, and isomeric yield ratios from 252Cf(SF) using the Scintillator And Tape Using Radioactive Nuclei (SATURN) system for β- detection, and X-Array for γ detection at the CARIBU facility of ANL. Systematics of isomeric yield ratios of 128,130,134Sb, 131,133Te, 132,134,136I, 135Xe, 138Cs from 252Cf(SF). Comparison with previous experimental values.
doi: 10.1103/PhysRevC.98.054307
2017ON01 Phys.Rev. C 95, 055806 (2017) W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers Low-lying level structure of 56Cu and its implications for the rp process NUCLEAR REACTIONS 2H(56Ni, 56Cu), E AP 75 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (56Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. 56Cu; deduced levels, J, π. Comparison with mirror nucleus 56Co level scheme, and with shell-model calculations 55Ni(p, γ)56Cu, T9=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around 56Ni. NUCLEAR STRUCTURE 56Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.055806
2016BA28 Eur.Phys.J. A 52, 126 (2016) A.Battaglia, W.Tan, R.Avetisyan, C.Casarella, A.Gyurijinyan, K.V.Manukyan, S.T.Marley, A.Nystrom, N.Paul, K.Siegl, K.Smith, M.K.Smith, S.Y.Strauss, A.Aprahamian Measurements of conversion electrons in the s-process branching point nucleus 176Lu NUCLEAR REACTIONS 176Yb(p, n), E=7.75 MeV; measured Eγ, Iγ from 176Lu using HPGe from GEORGINA array, eγ-coin, internal conversion electrons using ICEBall, En, In using NE213; deduced γ energy spectra, γ-ray and electron spectra in coincidence. 176Lu deduced electron energies, ICE coefficients, γ-ray transition multipolarity, levels, J, π, partial level scheme.
doi: 10.1140/epja/i2016-16126-x
2015XU11 Phys.Rev. C 92, 015807 (2015) J.Xu, E.Shields, F.Calaprice, S.Westerdale, F.Froborg, B.Suerfu, T.Alexander, A.Aprahamian, H.O.Back, C.Casarella, X.Fang, Yo.K.Gupta, A.Ianni, E.Lamere, W.H.Lippincott, Q.Liu, S.Lyons, K.Siegl, M.Smith, W.Tan, B.Vande Kolk Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold NUCLEAR REACTIONS Na, I(n, n'), E=690 keV pulsed beam; measured Na-recoil spectra, double-TOF spectrum for coincidence events of Na recoils, E(n), I(n), 127I excitation events at Notre Dame accelerator facility; deduced Na-recoil quenching factors, spectral fits of the DAMA/LIBRA modulation amplitudes to standard WIMP model. Comparison with other experimental results for Na-recoil quenching factors. Relevance to DAMA/LIBRA dark matter claims.
doi: 10.1103/PhysRevC.92.015807
2014LA16 Phys.Rev.Lett. 113, 032502 (2014) C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers Determining the rp-Process Flow through 56Ni: Resonances in 57Cu(p, γ)58Zn identified with GRETINA NUCLEAR REACTIONS 2H(57Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.
doi: 10.1103/PhysRevLett.113.032502
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