NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = A.Parikh Found 50 matches. 2022PS02 Phys.Rev.Lett. 129, 162701 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams Direct Measurement of Resonances in 7Be(α, γ)11C Relevant to νp-Process Nucleosynthesis NUCLEAR REACTIONS 4He(7Be, γ)11C, E not given; measured reaction products, Eγ, Iγ; deduced resonance energies and strengths, thermonuclear reaction rates. Comparison with available data. DRAGON recoil separator, TRIUMF.
doi: 10.1103/PhysRevLett.129.162701
2022PS03 Phys.Rev. C 106, 045805 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams First inverse kinematics measurement of resonances in 7Be(α, γ)11C relevant to neutrino-driven wind nucleosynthesis using DRAGON NUCLEAR REACTIONS 4He(7Be, γ), E=351-464 keV/nucleon; measured reaction products, Eγ, Iγ, γ-sum, (particle)γ-coin; deduced 1110-, 1115- and 876-keV resonances strength, thermonuclear reaction rate (T=0.1-10 GK), astrophysical S-factor. Discussed the impact of newly determined rates on studies of nucleosynthesis in neutrino-driven winds. Helium-filled windowless gas target surrounded by γ-ray array of 30 BGO scintillator crystals at DRAGON recoil separator (TRIUMF).
doi: 10.1103/PhysRevC.106.045805
2021HU13 Astrophys.J. 912, 59 (2021) N.J.Hubbard, C.Aa.Diget, S.P.Fox, H.O.U.Fynbo, A.M.Howard, O.S.Kirsebom, A.M.Laird, M.Munch, A.Parikh, M.Pignatari, J.R.Tomlinson New Experimental 23Na(α, p)26Mg Reaction Rate for Massive Star and Type Ia Supernova Models NUCLEAR REACTIONS 23Na(α, p), E(cm)=1-3.25 MeV; analyzed available data; deduced astrophysical reaction rates, angle integrated σ.
doi: 10.3847/1538-4357/abee91
2021RI04 Phys.Rev. C 103, 015807 (2021) J.E.Riley, A.M.Laird, N.de Sereville, A.Parikh, S.P.Fox, F.Hammache, I.Stefan, P.Adsley, M.Assie, B.Bastin, F.Boulay, A.Coc, S.Franchoo, R.Garg, S.A.Gillespie, V.Guimaraes, C.Hamadache, N.Hubbard, J.Kiener, A.Lefebvre-Schuhl, F.de Oliveira Santos, A.Remadi, L.Perrot, D.Suzuki, G.Verde, V.Tatischeff, M.Williams Sub-threshold states in 19Ne relevant to 18F(p, α)15O NUCLEAR REACTIONS 19F(3He, t)19Ne, E=25 MeV; measured E(t), I(t) using Enge Split-pole magnetic spectrometer, α and protons from the decay of resonant states in 19Ne, tα-coin, tp-coin, tα(θ), tp(θ) using an array of six double-sided silicon strip detectors (DSSSDs) for α and protons at the ALTO tandem accelerator facility in Orsay. 19Ne; deduced levels, resonances, J, π, Γα/Γ branching ratios. 18F(p, α)15O, E(cm)<1.6 MeV; deduced astrophysical S-factor by R-matrix analysis, proton asymptotic normalization coefficient (ANC) for 1/2+ state. Comparison with predictions of generator coordinate method (GCM).
doi: 10.1103/PhysRevC.103.015807
2018KA11 Phys.Rev. C 97, 015802 (2018) D.Kahl, H.Yamaguchi, S.Kubono, A.A.Chen, A.Parikh, D.N.Binh, J.Chen, S.Cherubini, N.N.Duy, T.Hashimoto, S.Hayakawa, N.Iwasa, H.S.Jung, S.Kato, Y.K.Kwon, S.Nishimura, S.Ota, K.Setoodehnia, T.Teranishi, H.Tokieda, T.Yamada, C.C.Yun, L.Y.Zhang First measurement of 30S + α resonant elastic scattering for the 30S(α, p) reaction rate NUCLEAR REACTIONS 4H(30S, α), E(cm)=1.9-5.5 MeV, [30S secondary beam from 3He(28Si, 30S), E=7.3 MeV/nucleon]; measured Eα, Iα, differential σ(E) using an array of silicon strip detectors (SSDs), and parallel plate avalanche counters (PPACs) for monitoring the 30S beam, ΔE-E plot for light ion particle using the CNS Radioactive Ion Beam separator (CRIB) facility, University of Tokyo, and RIKEN. 34Ar; deduced levels above 11 MeV, α-resonances, J, π, α-widths, proton-width. R-matrix analysis. 30s(α, p), T=1-10 GK; deduced stellar reaction rate using new resonance data, and compared with statistical model (SM) calculations from NON-SMOKER code. Astrophysical impact on one-zone postprocessing type I x-ray burst (XRBs) calculations.
doi: 10.1103/PhysRevC.97.015802
2017GI09 Phys.Rev. C 96, 025801 (2017) S.A.Gillespie, A.Parikh, C.J.Barton, T.Faestermann, J.Jose, R.Hertenberger, H.-F.Wirth, N.de Sereville, J.E.Riley, M.Williams First measurement of the 34S(P, γ)35Cl reaction rate through indirect methods for presolar nova grains NUCLEAR REACTIONS 34S(3He, d), E=20 MeV; measured deuteron spectra, σ(θ) using Q3D magnetic spectrograph at Maier-Leibnitz-Laboratorium in Garching. 35Cl; deduced levels, L-transfers, spectroscopic factors, proton resonances, J, π, resonance strengths. DWBA analysis of σ(θ) data. Comparison with previous experimental data for 35Cl levels. 34S(p, γ), T=0.1-0.45 GK; deduced astrophysical reaction rates and compared with statistical model calculations. Discussed 34S/32S ratio to distinguish presolar grains from oxygen-neon nova and type II supernova origin.
doi: 10.1103/PhysRevC.96.025801
2017HE19 Phys.Rev. C 96, 045801 (2017) J.J.He, A.Parikh, Y.Xu, Y.H.Zhang, X.H.Zhou, H.S.Xu Thermonuclear 46Cr (p, γ) 47Mn rate in type-I x-ray bursts NUCLEAR REACTIONS 46Cr(p, γ)47Mn, T9=0.01-2.0; analyzed astrophysical thermonuclear reaction rates, and proton resonances in 47Mn using known structure information and parameters in the ENSDF database for the mirror nucleus 47Ti. Comparison with previous statistical model and shell-model calculations. Pointed out need for experimental studies of the level structure of 47Mn near the proton threshold to improve model predictions. Relevance to Type-I x-ray bursts (XRBs).
doi: 10.1103/PhysRevC.96.045801
2016LA04 Astrophys.J. 818, 78 (2016) Y.H.Lam, J.J.He, A.Parikh, H.Schatz, B.A.Brown, M.Wang, B.Guo, Y.H.Zhang, X.H.Zhou, H.S.Xu Reaction Rates of 64Ge(p, γ)65As and 65As(p, γ)66Se and the Extent of Nucleosynthesis in Type I X-Ray Bursts NUCLEAR REACTIONS 64Ge, 65As(p, γ), E=0.2-2 GK; calculated nuclear reaction rates. Large-scale shell model.
doi: 10.3847/0004-637X/818/1/78
2016PA41 Eur.Phys.J.Plus 131, 345 (2016) Toward concordance of Ex and Jπ values for proton unbound 31S states NUCLEAR REACTIONS 31P(3He, t), 32S(d, t), E=20, 22 MeV; analyzed available data; deduced σ(θ), energy levels, J, π.
doi: 10.1140/epjp/i2016-16345-6
2015FR01 Phys.Rev. C 91, 015803 (2015) C.Fry, C.Wrede, S.Bishop, B.A.Brown, A.A.Chen, T.Faestermann, R.Hertenberger, A.Parikh, D.Perez-Loureiro, H.-F.Wirth, A.Garcia, R.Ortez Discovery of 34g, mCl (p, γ) 35Ar resonances activated at classical nova temperatures NUCLEAR REACTIONS 36Ar(d, t), E=22 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at MLL-Garching facility. 35Ar; deduced levels. 34Cl(p, γ)35Ar; deduced resonance energies. 35Ar, 35Cl; compared experimental level densities of mirror nuclei with shell-model calculations.
doi: 10.1103/PhysRevC.91.015803
2015PA46 Phys.Rev. C 92, 055806 (2015) A.Parikh, A.M.Laird, N.de Sereville, K.Wimmer, T.Faestermann, R.Hertenberger, D.Seiler, H.-F.Wirth, P.Adsley, B.R.Fulton, F.Hammache, J.Kiener, I.Stefan Spectroscopy of 19Ne for the thermonuclear 15O(α, γ)19Ne and 18F(p, α)15O reaction rates NUCLEAR REACTIONS 19F(3He, t)19Ne, E=25 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrometer at MLL-Garching facility. 19Ne; deduced levels, J, π. DWBA calculations. Comparison of 19Ne level structure with previous experimental results, evaluated data, and predictions based on analogy with 19F mirror. Relevance to uncertainties in thermonuclear rates of the 15O(α, γ)19Ne and 18F(p, α)15O reactions of astrophysical interest.
doi: 10.1103/PhysRevC.92.055806
2014HE04 Phys.Rev. C 89, 035802 (2014) J.J.He, A.Parikh, B.A.Brown, T.Rauscher, S.Q.Hou, Y.H.Zhang, X.H.Zhou, H.S.Xu Thermonuclear 42Ti(p, γ)43V rate in type-I x-ray bursts NUCLEAR REACTIONS 42Ti(p, γ)43V, at T=0.01-3 GK; calculated thermonuclear reaction rate for type-I x-ray bursts using new value of S(p). Comparison with earlier calculations. NUCLEAR STRUCTURE 43V; calculated levels, proton resonances, J, π, B(E2), spectroscopic factors, resonance strengths of unbound states using OXBASH shell model, and data for mirror nucleus 43Ca.
doi: 10.1103/PhysRevC.89.035802
2014HU16 Phys.Rev. C 90, 025803 (2014) J.Hu, J.J.He, A.Parikh, S.W.Xu, H.Yamaguchi, D.Kahl, P.Ma, J.Su, H.W.Wang, T.Nakao, Y.Wakabayashi, T.Teranishi, K.I.Hahn, J.Y.Moon, H.S.Jung, T.Hashimoto, A.A.Chen, D.Irvine, C.S.Lee, S.Kubono Examination of the role of the 14O(α, p)17F reaction rate in type-I x-ray bursts NUCLEAR REACTIONS 1H(17F, p), E=3.6 MeV/nucleon, [17F secondary beam from 2H(16O, n), E=6.6 MeV/nucleon primary reaction]; measured Ep, Ip, angular distribution using radioactive ion beam separator (CRIB) at CNS-RIKEN facility. 18Ne; deduced levels, resonances, J, π, L-transfers, widths, proton partial widths, resonance strengths. R-matrix analysis of experimental data. Comparison with previous experimental results. 14O(α, p)17F, at T9=0.25-3.0; deduced reaction rates and compared with other studies. Relevance to hot-CNO cycle of the rp-process in type-I x-ray bursts (XRBs).
doi: 10.1103/PhysRevC.90.025803
2014PA44 Phys.Lett. B 737, 314 (2014) A.Parikh, K.Wimmer, T.Faestermann, R.Hertenberger, J.Jose, H.-F.Wirth, C.Hinke, R.Krucken, D.Seiler, K.Steiger, K.Straub Isotopic 32S/33S ratio as a diagnostic of presolar grains from novae NUCLEAR REACTIONS 33S(3He, d), E=25 MeV; 33S(p, γ), T < 0.4 GK; measured reaction products. 34Cl; deduced σ(θ), energy levels, spectroscopic factors, angular momenta, resonance parameters, reaction rates. Comparison with available data.
doi: 10.1016/j.physletb.2014.08.071
2014PA46 Phys.Rev. C 90, 038801 (2014) A.Parikh, J.Jose, A.Karakas, C.Ruiz, K.Wimmer Strength of the ER = 127 keV, 26Al(p, γ)27Si resonance NUCLEAR REACTIONS 26Al(p, γ)27Si, E=127 keV; analyzed thermonuclear reaction rates using different assumed strengths for 127-keV proton resonance and representative stellar model calculations; deduced 26Al production yield in classical nova explosions and asymptotic giant branch (AGB) stars. Recommended new spectroscopic measurement of 26Al(3He, d)27Si reaction to confirm strength of the 127-keV resonance.
doi: 10.1103/PhysRevC.90.038801
2014ZH05 Phys.Rev. C 89, 015804 (2014) L.Y.Zhang, J.J.He, A.Parikh, S.W.Xu, H.Yamaguchi, D.Kahl, S.Kubono, P.Mohr, J.Hu, P.Ma, S.Z.Chen, Y.Wakabayashi, H.W.Wang, W.D.Tian, R.F.Chen, B.Guo, T.Hashimoto, Y.Togano, S.Hayakawa, T.Teranishi, N.Iwasa, T.Yamada, T.Komatsubara, Y.H.Zhang, X.H.Zhou Investigation of the thermonuclear 18Ne(α, p)21Na reaction rate via resonant elastic scattering of 21Na + p NUCLEAR REACTIONS 1H(21Na, p), E=89 MeV, [21Na secondary beam from 2H(20Ne, X), E=8.2 MeV/nucleon primary reaction]; measured particle spectra, Ep, Ip, σ using CNS Radioactive Ion Beam Separator at RIKEN facility. 22Mg; deduced levels, resonances, J, π, proton widths, resonance parameters by R-matrix analysis. comparison with previous experimental results. 18Ne(α, p)21Na; deduced thermonuclear reaction rates. One-zone postprocessing x-ray burst calculations, and effect on peak nuclear energy generation rate, reaction fluxes, and onset temperature of breakout reaction from hot CNO cycles to rp process in type I x-ray bursts.
doi: 10.1103/PhysRevC.89.015804
2013FA10 Phys.Rev. C 88, 045801 (2013) J.Fallis, A.Parikh, P.F.Bertone, S.Bishop, L.Buchmann, A.A.Chen, G.Christian, J.A.Clark, J.M.D'Auria, B.Davids, C.M.Deibel, B.R.Fulton, U.Greife, B.Guo, U.Hager, C.Herlitzius, D.A.Hutcheon, J.Jose, A.M.Laird, E.T.Li, Z.H.Li, G.Lian, W.P.Liu, L.Martin, K.Nelson, D.Ottewell, P.D.Parker, S.Reeve, A.Rojas, C.Ruiz, K.Setoodehnia, S.Sjue, C.Vockenhuber, Y.B.Wang, C.Wrede Constraining nova observables: Direct measurements of resonance strengths in 33S(p, γ)34Cl NUCLEAR REACTIONS 1H(33S, γ)34Cl, E=194-514 MeV/nucleon; measured particle spectra, time-of-flight using DRAGON at ISAC-TRIUMF facility. 34Cl; deduced levels, resonances, resonance strengths, thermonuclear reaction rates for 33S(p, γ)34Cl reaction at T9=0.15-0.40, composition of 32,33,34S, 35,37Cl, 36,38Ar, 38,39K, 40Ca in oxygen-neon nova ejecta. Implications for nova nucleosynthesis.
doi: 10.1103/PhysRevC.88.045801
2013HA39 Phys.Rev. C 88, 062802 (2013) F.Hammache, A.Coc, N.de Sereville, I.Stefan, P.Roussel, S.Ancelin, M.Assie, L.Audouin, D.Beaumel, S.Franchoo, B.Fernandez-Dominguez, S.Fox, C.Hamadache, J.Kiener, A.Laird, B.Le Crom, A.Lefebvre-Schuhl, L.Lefebvre, I.Matea, A.Matta, G.Mavilla, J.Mrazek, P.Morfouace, F.de Oliveira Santos, A.Parikh, L.Perrot, A.M.Sanchez-Benitez, D.Suzuki, V.Tatischeff, P.Ujic, M.Vandebrouck Search for new resonant states in 10C and 11C and their impact on the cosmological lithium problem NUCLEAR REACTIONS 10B(3He, t)10C, 11B(3He, t)11C, E=35 MeV; measured E(t), I(t), σ(θ), light fragments using split-pole magnetic spectrometer, proportional gas counter, and plastic scintillator at Orsay-ALTO tandem accelerator facility. 10,11C; deduced levels, resonances, widths. 12C, 12N, 16F; deduced levels from impurities. Discussed 7Li abundance and deficit Big-Bang nucleosynthesis (BBN).
doi: 10.1103/PhysRevC.88.062802
2013HE16 Phys.Rev. C 88, 012801 (2013) J.J.He, L.Y.Zhang, A.Parikh, S.W.Xu, H.Yamaguchi, D.Kahl, S.Kubono, J.Hu, P.Ma, S.Z.Chen, Y.Wakabayashi, B.H.Sun, H.W.Wang, W.D.Tian, R.F.Chen, B.Guo, T.Hashimoto, Y.Togano, S.Hayakawa, T.Teranishi, N.Iwasa, T.Yamada, T.Komatsubara The 18Ne(α, p)21Na breakout reaction in x-ray bursts: Experimental determination of spin-parities for α resonances in 22Mg via resonant elastic scattering of 21Na+p NUCLEAR REACTIONS 1H(21Na, p), [21Na secondary beam from 20Ne(d, n), E=8.2 MeV/nucleon primary reaction], E=89.4 MeV; measured E(p), I(p) σ(E) at CRIB-CNS-RIKEN facility. 22Mg; deduced levels, resonances, J, π. R-matrix analysis. 18Ne(α, p)21Na; deduced α-widths, resonance strengths, reaction rates using a narrow resonance formalism. Comparison of reaction rates with previous experimental studies and statistical model calculations. Discussed impact of new rates for 18Ne(α, p)21Na reaction on x-ray burst (XRB) calculations.
doi: 10.1103/PhysRevC.88.012801
2013IR02 Phys.Rev. C 88, 055803 (2013) D.Irvine, A.A.Chen, A.Parikh, K.Setoodehnia, T.Faestermann, R.Hertenberger, H.-F.Wirth, V.Bildstein, S.Bishop, J.A.Clark, C.M.Deibel, J.Hendriks, C.Herlitzius, R.Krucken, W.N.Lennard, O.Lepyoshkina, R.Longland, G.Rugel, D.Seiler, K.Straub, C.Wrede Evidence for the existence of the astrophysically important 6.40-MeV state of 31S NUCLEAR REACTIONS 32S(d, t), E=24 MeV; measured E(t), I(t), σ(θ), using Q3D spectrograph at MLL-Garching facility. 31S; deduced levels, J, π, 31S and 31P mirror assignments. 30P(p, γ)31S; discussed impact on thermonuclear reaction rate in explosive hydrogen burning in classical novae. Comparison of 31S level structure with previous experimental results and evaluated data.
doi: 10.1103/PhysRevC.88.055803
2013LA01 Phys.Rev.Lett. 110, 032502 (2013) A.M.Laird, A.Parikh, A.St.J.Murphy, K.Wimmer, A.A.Chen, C.M.Deibel, T.Faestermann, S.P.Fox, B.R.Fulton, R.Hertenberger, D.Irvine, J.Jose, R.Longland, D.J.Mountford, B.Sambrook, D.Seiler, H.-F.Wirth Is γ-Ray Emission from Novae Affected by Interference Effects in the 18F(p, α)15O Reaction? NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured reaction products. 19Ne; deduced energy levels, J, π, σ(θ), resonance parameters, total reaction rate. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.110.032502
2013PA19 Prog.Part.Nucl.Phys. 68, 225 (2013) A.Parikh, J.Jose, G.Sala, C.Iliadis Nucleosynthesis in type I X-ray bursts
doi: 10.1016/j.ppnp.2012.11.002
2013PA33 Phys.Rev. C 88, 048801 (2013) Spectroscopic factor of the 1+, 25Al(pγ)36Si resonance at Ex=5.68 MeV NUCLEAR REACTIONS 25Al(p, γ)26Si, T9=0.05 to 0.2; deduced thermonuclear reaction rates over typical nova temperatures using measured spectroscopic factor of 1+ state at 5.69 MeV in 26Mg from 25Mg(α, 3He) reaction, and associating the 1+ state in 26Mg with corresponding mirror state (resonance) in 26Si at 5.68 MeV.
doi: 10.1103/PhysRevC.88.048801
2012HI07 Nature(London) 486, 341 (2012) C.B.Hinke, M.Bohmer, P.Boutachkov, T.Faestermann, H.Geissel, J.Gerl, R.Gernhauser, M.Gorska, A.Gottardo, H.Grawe, J.L.Grebosz, R.Krucken, N.Kurz, Z.Liu, L.Maier, F.Nowacki, S.Pietri, Zs.Podolyak, K.Sieja, K.Steiger, K.Straub, H.Weick, H.-J.Wollersheim, P.J.Woods, N.Al-Dahan, N.Alkhomashi, A.Atac, A.Blazhev, N.F.Braun, I.T.Celikovic, T.Davinson, I.Dillmann, C.Domingo-Pardo, P.C.Doornenbal, G.de France, G.F.Farrelly, F.Farinon, N.Goel, T.C.Habermann, R.Hoischen, R.Janik, M.Karny, A.Kaskas, I.M.Kojouharov, Th.Kroll, Y.Litvinov, S.Myalski, F.Nebel, S.Nishimura, C.Nociforo, J.Nyberg, A.R.Parikh, A.Prochazka, P.H.Regan, C.Rigollet, H.Schaffner, C.Scheidenberger, S.Schwertel, P.-A.Soderstrom, S.J.Steer, A.Stolz, P.Strmen Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn RADIOACTIVITY 100Sn(β+), (EC) [from Be(124Xe, X)100Sn, E = 1 GeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ. 100In; deduced T1/2, log ft, Gamow-Teller strength, energy levels, J, π, distribution of positron energies. Comparison with available data, large scale shell model calculations.
doi: 10.1038/nature11116
2012JO03 J.Phys.:Conf.Ser. 337, 012038 (2012) J.Jose, J.Casanova, A.Parikh, E.Garcia-Berro Recent advances in the modelling of classical novae and type I X-ray bursts
doi: 10.1088/1742-6596/337/1/012038
2011FA10 Phys.Rev. C 84, 045807 (2011) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.G.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Mass measurements of isotopes of Nb, Mo, Tc, Ru, and Rh along the Νp- and rp-process paths using the Canadian Penning trap mass spectrometer ATOMIC MASSES 87Nb, 87,90,91,92Mo, 90,91,92,93Tc, 90,91,92,93,94Ru, 92,93,94,95Rh; measured cyclotron frequency ratios using Canadian Penning trap mass spectrometer; deduced mass excesses. 88Tc; deduced S(p). Comparison with previous measurements and AME-2003. Z=42-47, A=87-96; analyzed systematics of S(2p) values. Z=42-45, N=45-52; analyzed systematics of S(2n) values. Z=42-45, A=87-95; analyzed systematics of S(p) values. 94mAg; discussed 2p decay mode of 21+ isomer. NUCLEAR REACTIONS 58Ni(40Ca, X)87Nb/87Mo/90Mo/92Mo/90Tc/90Tc/92Tc/93Tc/90Ru/91Ru/92Ru/93Ru/92Rh/93Rh/94Rh, E=185, 190, 200 MeV; 58Ni(36Ar, X)91Tc/91Ru, E=125 MeV; Ni(36Ar, X)90Mo/91Mo/90Tc/91Tc/92Tc/91Ru/92Ru, E=130, 150 MeV; Ni(40Ca, X)93Tc/93Ru/94Ru/94Rh/95Rh, E=170 MeV; measured yields at ATLAS facility.
doi: 10.1103/PhysRevC.84.045807
2011FR04 Phys.Rev. C 83, 048801 (2011) B.M.Freeman, C.Wrede, B.G.Delbridge, A.Garca, A.Knecht, A.Parikh, A.L.Sallaska Branches of 33S( p, γ )34Cl at oxygen-neon nova temperatures NUCLEAR REACTIONS 33S(p, γ), E=200-710 keV; measured Eγ, Iγ for 432-, 492-, and 529-keV resonances. Deduced stellar reaction rates. Production of sulfur isotopes and 34mCl in novae.
doi: 10.1103/PhysRevC.83.048801
2011PA14 Phys.Rev. C 83, 045806 (2011) A.Parikh, K.Wimmer, T.Faestermann, R.Hertenberger, J.Jose, R.Longland, H.-F.Wirth, V.Bildstein, S.Bishop, A.A.Chen, J.A.Clark, C.M.Deibel, C.Herlitzius, R.Krucken, D.Seiler, K.Straub, C.Wrede Improving the 30P(p, γ )31S rate in oxygen-neon novae: Constraints on Jπ values for proton-threshold states in 31S NUCLEAR REACTIONS 31P(3He, t), E=25 MeV; measured E(t), I(t), σ(θ). 31S; deduced levels, J, π. 30P(p, γ)31S; deduced astrophysical reaction rates. Finite-range DWBA analysis. Comparison with previous experimental reaction rates and Hauser-Feshbach statistical model estimates.
doi: 10.1103/PhysRevC.83.045806
2011PA40 Phys.Rev. C 84, 065808 (2011) A.Parikh, K.Wimmer, T.Faestermann, R.Hertenberger, H.-F.Wirth, A.A.Chen, J.A.Clark, C.M.Deibel, C.Herlitzius, R.Krucken, D.Seiler, K.Setoodehnia, K.Straub, C.Wrede Production of 26Al in stellar hydrogen-burning environments: Spectroscopic properties of states in 27Si NUCLEAR REACTIONS 28Si(3He, α), E=25 MeV; measured Eα, Iα, σ(θ) using Q3D magnetic spectrograph. 27Si; deduced levels, J, π, L-values, spectroscopic factors. Finite-range DWBA analysis. Comparison with previous measurements and with shell-model calculations using OXBASH code. 26Al(p, γ)27Si; discussed thermonuclear reaction rate.
doi: 10.1103/PhysRevC.84.065808
2010HE08 Phys.Rev. C 82, 014316 (2010) A.Heusler, G.Graw, R.Hertenberger, F.Riess, H.-F.Wirth, T.Faestermann, R.Krucken, T.Behrens, V.Bildstein, K.Eppinger, C.Herlitzius, O.Lepyoshkina, M.Mahgoub, A.Parikh, S.Schwertel, K.Wimmer, N.Pietralla, V.Werner, J.Jolie, D.Mucher, C.Scholl, P.von Brentano Positive parity states in 208Pb excited by the proton decay of the isobaric analog intruder resonance j15/2 in 209Bi NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.2 MeV; measured Ep, Ip, σ, excitation functions and σ(θ) via isobaric analog resonances (IAR) in 209Bi. Proton spectra fitted by GASPAN analysis. 209Bi; deduced s.p. width, total width, resonance energy for isobaric analog resonance j15/2. 207Pb(d, p), E=22 MeV; analyzed proton spectra; deduced σ. 208Pb; deduced levels, J, π, l-transfers, particle-hole configurations, spectroscopic factors. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.82.014316
2010WR01 Phys.Rev. C 81, 055503 (2010) C.Wrede, J.A.Clark, C.M.Deibel, T.Faestermann, R.Hertenberger, A.Parikh, H.-F.Wirth, S.Bishop, A.A.Chen, K.Eppinger, A.Garcia, R.Krucken, O.Lepyoshkina, G.Rugel, K.Setoodehnia Toward precise QEC values for the superallowed 0+ → 0+ β decays of T=2 nuclides: The masses of 20Na, 24Al, 28P, and 32Cl NUCLEAR REACTIONS 20Ne, 24Mg, 28Si, 32S, 36Ar(3He, t), E=32 MeV; measured triton spectra using Q3D magnetic spectrograph; deduced levels, Q values, mass excesses. ATOMIC MASSES 20Na, 24Al, 28P, 32Cl; measured mass excesses using (3He, t) reaction. 36Ar(3He, t)36K used for calibration. Comparison with AME-2003.
doi: 10.1103/PhysRevC.81.055503
2010WR02 Phys.Rev. C 82, 035805 (2010) C.Wrede, J.A.Clark, C.M.Deibel, T.Faestermann, R.Hertenberger, A.Parikh, H.-F.Wirth, S.Bishop, A.A.Chen, K.Eppinger, B.M.Freeman, R.Krucken, O.Lepyoshkina, G.Rugel, K.Setoodehnia Properties of 20Na, 24Al, 28P, 32Cl, and 36K for studies of explosive hydrogen burning NUCLEAR REACTIONS 20Ne, 24Mg, 28Si, 32S, 36Ar(3He, t), E=32 MeV; measured E(t), I(t); deduced levels and resonances. 19Ne, 23Mg, 27Si, 31S, 35Ar(p, γ); deduced improved thermonuclear reaction rates. 36Cl, 36Ar, 36K; analyzed A=36, T=1 triplet states. Comparison with previous experiments.
doi: 10.1103/PhysRevC.82.035805
2009DE33 Phys.Rev. C 80, 035806 (2009) C.M.Deibel, J.A.Clark, R.Lewis, A.Parikh, P.D.Parker, C.Wrede Toward an experimentally determined 26Alm(p, γ)27Si reaction rate in ONe novae NUCLEAR REACTIONS 27Al(3He, t), E=25 MeV; 28Si(3He, α), E=17.5 MeV; measured Et, It, Eα, Iα, Ep, Ip, αp-coin, αp(θ). 27Si; deduced levels, angular momentum transfer, proton branching ratios from resonances. 26Al; deduced levels and feedings from proton decay of unbound states in 27Si. Deduced reaction rates for 26mAl(p, γ) reaction as a function of stellar temperature.
doi: 10.1103/PhysRevC.80.035806
2009PA18 Phys.Rev. C 79, 045802 (2009) A.Parikh, J.Jose, C.Iliadis, F.Moreno, T.Rauscher Impact of uncertainties in reaction Q values on nucleosynthesis in type I x-ray bursts NUCLEAR REACTIONS 25Si, 26P, 30S, 42Ti, 45,46Cr, 50Fe, 55Ni, 60Zn, 64Ge, 68Se, 89Ru, 98Cd, 105,106Sn(p, γ); calculated Q-values. A=1-113, Z=1-50; calculated yields and abundances using K04, F08, S01 and XRB models for, long, short, high temperature, low temperature, low Z and high Z. Implications for nucleosynthesis in type I x-ray bursts.
doi: 10.1103/PhysRevC.79.045802
2009PA28 Phys.Rev. C 80, 015802 (2009) A.Parikh, T.Faestermann, R.Hertenberger, R.Krucken, D.Schafstadler, H.-F.Wirth, T.Behrens, V.Bildstein, S.Bishop, K.Eppinger, C.Herlitzius, C.Hinke, M.Schlarb, D.Seiler, K.Wimmer New 34Cl proton-threshold states and the thermonuclear 33S(p, γ)34Cl rate in ONe novae NUCLEAR REACTIONS 34S(3He, t), E=25 MeV; measured triton spectra, σ(θ). 34Cl; deduced levels, resonances and resonance parameters. 33S(p, γ), E not given; deduced thermonuclear reaction rates. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.80.015802
2009WR02 Phys.Rev. C 79, 045803 (2009) C.Wrede, J.A.Caggiano, J.A.Clark, C.M.Deibel, A.Parikh, P.D.Parker Measurements of 31S energy levels and reevaluation of the thermonuclear resonant 30P(p, γ)31S reaction rate NUCLEAR REACTIONS 31P(3He, t)31S, E=20, 25 MeV; 31P(3He, t)31S, E=20 MeV; 32S(d, t)31S, E=25 MeV; measured (particle)(particle)-coin, proton branching ratios, tp(θ). 31S; deduced levels, J, π. 30P(p, γ)31S; deduced spectroscopic factors, widths and reaction rates. Comparison with Hauser-Feshbach statistical model estimates.
doi: 10.1103/PhysRevC.79.045803
2009WR03 Phys.Rev. C 79, 045808 (2009); Erratum Phys.Rev. C 80, 019904 (2009) C.Wrede, J.A.Caggiano, J.A.Clark, C.M.Deibel, A.Parikh, P.D.Parker Thermonuclear 30S(p, γ)31Cl reaction in type 1 X-ray bursts NUCLEAR REACTIONS 30S(p, γ); analyzed reaction rates and resonance parameters. 31Cl; deduced mass excess, reaction Q-value, onset temperatures for equilibrium and waiting point. Type I x-ray bursts.
doi: 10.1103/PhysRevC.79.045808
2008FA11 Phys.Rev. C 78, 022801 (2008) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, J.E.Crawford, C.M.Deibel, J.L.Fisker, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Determination of the proton separation energy of 93Rh from mass measurements ATOMIC MASSES 92Ru, 93Rh; measured masses; deduced mass excesses, proton separation energies. Penning trap method.
doi: 10.1103/PhysRevC.78.022801
2008KA01 Phys.Lett. B 658, 216 (2008) B.P.Kay, S.J.Freeman, J.P.Schiffer, J.A.Clark, C.Deibel, A.Heinz, A.Parikh, C.Wrede High-j single-particle neutron states outside the N = 82 core NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(α, 3He), E=51 MeV; measured σ(θ), excitation energy spectra; deduced spectroscopic factor and single-neutron energies.
doi: 10.1016/j.physletb.2007.11.033
2008SC03 Phys.Rev.Lett. 100, 112501 (2008) J.P.Schiffer, S.J.Freeman, J.A.Clark, C.Deibel, C.R.Fitzpatrick, S.Gros, A.Heinz, D.Hirata, C.L.Jiang, B.P.Kay, A.Parikh, P.D.Parker, K.E.Rehm, A.C.C.Villari, V.Werner, C.Wrede Nuclear Structure Relevant to Neutrinoless Double β Decay: 76Ge and 76Se NUCLEAR REACTIONS 74,76Ge, 76,78Se(d, p), E=15 MeV; 76Ge, 76Se(p, d), E=23 MeV; 74,76Ge, 76,78Se(3He, α), E=26 MeV; 74,76Ge, 76,78Se(α, 3He), E=40 MeV; measured reaction products energy spectra, cross sections. Deduced summed spectroscopic strengths, neutron vacancies.
doi: 10.1103/PhysRevLett.100.112501
2008VI06 Phys.Rev. C 78, 028802 (2008) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.M.Deibel, R.Lewis, A.Parikh, P.D.Parker Addendum to "Measurement of 23Mg(p, γ)24Al resonance energies" NUCLEAR REACTIONS 23Mg(p, γ), E not given; analyzed resonance energies. 24Al; deduced levels, J, resonances.
doi: 10.1103/PhysRevC.78.028802
2007FR10 Phys.Rev. C 75, 051301 (2007) S.J.Freeman, J.P.Schiffer, A.C.C.Villari, J.A.Clark, C.Deibel, S.Gros, A.Heinz, D.Hirata, C.L.Jiang, B.P.Kay, A.Parikh, P.D.Parker, J.Qian, K.E.Rehm, X.D.Tang, V.Werner, C.Wrede Pair correlations in nuclei involved in neutrinoless double Β decay: 76Ge and 76Se NUCLEAR REACTIONS 74,76Ge, 76,78Se(p, t), E=23 MeV; measured yields, cross sections and angular distributions. Compared results to DWBA calculations.
doi: 10.1103/PhysRevC.75.051301
2007UG01 Phys.Rev. C 76, 025802 (2007) C.Ugalde, A.E.Champagne, S.Daigle, C.Iliadis, R.Longland, J.R.Newton, E.Osenbaugh-Stewart, J.A.Clark, C.Deibel, A.Parikh, P.D.Parker, C.Wrede Experimental evidence for a natural parity state in 26Mg and its impact on the production of neutrons for the s process NUCLEAR REACTIONS 22Ne(6Li, d), E=30 MeV; measured deuteron energy spectra. 26Mg deduced level energies.
doi: 10.1103/PhysRevC.76.025802
2007VI16 Phys.Rev. C 76, 065803 (2007) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.Deibel, R.Lewis, A.Parikh, P.D.Parker Measurement of 23Mg(p, γ)24Al resonance energies NUCLEAR REACTIONS 24Mg(3He, t), E=30 MeV/nucleon; measured triton spectra, angular distributions. 24Al; deduced resonance energies, reaction rates. 23Mg(p, γ)24Al; resonance parameters.
doi: 10.1103/PhysRevC.76.065803
2007WR01 Phys.Rev. C 76, 052802 (2007) C.Wrede, J.A.Caggiano, J.A.Clark, C.Deibel, A.Parikh, P.D.Parker New 30P(p, γ)31S resonances and oxygen-neon nova nucleosynthesis NUCLEAR REACTIONS 31P(3He, t), E=20 MeV; measured charged particle spectra, angular distributions; 31S; deduced resonance energies, levels, J, π, 30P(p, γ) reaction rates, width parameters, spectroscopic factors. Comparison with 31P level scheme.
doi: 10.1103/PhysRevC.76.052802
2006RU09 Phys.Rev.Lett. 96, 252501 (2006) C.Ruiz, A.Parikh, J.Jose, L.Buchmann, J.A.Caggiano, A.A.Chen, J.A.Clark, H.Crawford, B.Davids, J.M.D'Auria, C.Davis, C.Deibel, L.Erikson, L.Fogarty, D.Frekers, U.Greife, A.Hussein, D.A.Hutcheon, M.Huyse, C.Jewett, A.M.Laird, R.Lewis, P.Mumby-Croft, A.Olin, D.F.Ottewell, C.V.Ouellet, P.Parker, J.Pearson, G.Ruprecht, M.Trinczek, C.Vockenhuber, C.Wrede Measurement of the Ec.m. = 184 keV Resonance Strength in the 26gAl(p, γ)27Si Reaction NUCLEAR REACTIONS 1H(26Al, γ), E=5.122, 5.226, 5.850 MeV; measured Eγ, (recoil)γ-coin. 26Al(p, γ), E(cm) ≈ 184 keV; deduced resonance strength. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.96.252501
2005LE30 Nucl.Phys. A758, 84c (2005) R.Lewis, J.Caggiano, A.Parikh, C.Deibel, D.Visser, K.Fear, P.Parker, W.R.Hix 26Alg, m + p resonances studied via proton decays of 27Si NUCLEAR REACTIONS 27Al(3He, t), E=25 MeV; measured Ep following residual nucleus decay to ground and metastable states. 27Si deduced resonance energy. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2005.05.166
2005PA31 Phys.Rev. C 71, 055804 (2005) A.Parikh, J.A.Caggiano, C.Deibel, J.P.Greene, R.Lewis, P.D.Parker, C.Wrede Mass measurements of 22Mg and 26Si via the 24Mg(p, t)22Mg and 28Si(p, t)26Si reactions NUCLEAR REACTIONS 24Mg, 28Si(p, t), E=33 MeV; measured triton spectra; deduced reaction Q-values. 22Mg, 26Si deduced mass excesses.
doi: 10.1103/PhysRevC.71.055804
2004SC16 Phys.Rev.Lett. 92, 162501 (2004); Erratum Phys.Rev.Lett. 110, 169901 (2013) J.P.Schiffer, S.J.Freeman, J.A.Caggiano, C.Deibel, A.Heinz, C.-L.Jiang, R.Lewis, A.Parikh, P.D.Parker, K.E.Rehm, S.Sinha, J.S.Thomas Is the Nuclear Spin-Orbit Interaction Changing with Neutron Excess? NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(α, t), E=40 MeV; measured σ(E, θ). 113,115,117,119,121,123,125Sb levels deduced spectroscopic factors, decrease in nuclear spin-orbit interaction. Nuclides near N=82 also discussed.
doi: 10.1103/PhysRevLett.92.162501
2004VI05 Phys.Rev. C 69, 048801 (2004) D.W.Visser, J.A.Caggiano, R.Lewis, W.B.Handler, A.Parikh, P.D.Parker Particle decay branching ratios for states of astrophysical importance in 19Ne NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured triton spectra, Ep, Eα, angular distributions from residual nucleus decay. 19Ne levels deduced proton and α decay branching ratios. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.69.048801
Back to query form Note: The following list of authors and aliases matches the search parameter A.Parikh: , A.R.PARIKH |