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NSR database version of April 11, 2024.

Search: Author = S.A.Kuvin

Found 37 matches.

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2024LE02      Phys.Rev. C 109, 014601 (2024)

H.Y.Lee, S.A.Kuvin, L.Zavorka, S.Mosby, B.DiGiovine, G.Hale, M.Paris, D.Votaw, M.White

Differential cross sections of the 16O(n, α) reaction at neutron energies from 3.8 to 15 MeV

doi: 10.1103/PhysRevC.109.014601
Citations: PlumX Metrics


2023CH46      Phys.Rev.Lett. 131, 172501 (2023)

R.J.Charity, J.Wylie, S.M.Wang, T.B.Webb, K.W.Brown, G.Cerizza, Z.Chajecki, J.M.Elson, J.Estee, D.E.M.Hoff, S.A.Kuvin, W.G.Lynch, J.Manfredi, N.Michel, D.G.McNeel, P.Morfouace, W.Nazarewicz, C.D.Pruitt, C.Santamaria, S.Sweany, J.Smith, L.G.Sobotka, M.B.Tsang, A.H.Wuosmaa

Strong Evidence for 9N and the Limits of Existence of Atomic Nuclei

RADIOACTIVITY 9N(p), 8C, 6Be(2p) [from 9Be(13O, X)9N, E=69.5 MeV/nucleon]; measured decay products, Ep, Ip. 9N, 8C; deduced invariant-mass spectra, level diagrams, possible single resonancelike peak in the spectrum. R-matrix fits, comparison with the theoretical predictions of an open-quantum-system approach. The National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1103/PhysRevLett.131.172501
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2023DE34      Nucl.Instrum.Methods Phys.Res. A1055, 168472 (2023)

S.Dede, S.D.Essenmacher, P.Gastis, K.V.Manukyan, S.A.Kuvin, H.Y.Lee, J.M.Roach, P.C.Burns, A.Aprahamian

Electrospraying deposition and characterization of potassium chloride targets for nuclear science measurements

NUCLEAR REACTIONS 35Cl, 39K(n, p), E=3-3.5 MeV; measured reaction products, Ep, Ip; deduced Q-values, ratio of partial σ. A white neutron beam at the Los Alamos Neutron Science Center (LANSCE) facility.

doi: 10.1016/j.nima.2023.168472
Citations: PlumX Metrics


2023TE05      Phys.Rev. C 108, 065804 (2023)

E.Temanson, J.Baker, L.T.Baby, K.Hanselman, P.Hoflich, S.A.Kuvin, G.W.McCann, A.Volya, I.Wiedenhover

Measurement of the 25Al(d, n)26Si reaction and impact on the 25Al(p, γ)26Si reaction rate

doi: 10.1103/PhysRevC.108.065804
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023TS02      Nucl.Instrum.Methods Phys.Res. A1046, 167666 (2023)

P.Tsintari, G.Perdikakis, H.Y.Lee, S.A.Kuvin, A.Georgiadou, H.I.Kim, D.Votaw, L.Zavorka

Implementation and validation of realistic (n, x) reaction yields in Geant4 utilizing a detailed evaluated nuclear reaction library below 20 MeV

NUCLEAR REACTIONS 1H(n, n), 12C, 16O, 63Cu, 58Ni(n, α), 14N, 58Ni, 63Cu, 27Al(n, p), E<20 MeV; measured reaction products, En, In; deduced σ, yields. Comparison with Geant4 simulations. The Low Energy Neutron-induced charged-particle (Z) chamber (LENZ), at LANSCE.

doi: 10.1016/j.nima.2022.167666
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2022GA37      Nucl.Instrum.Methods Phys.Res. A1037, 166853 (2022)

P.Gastis, J.R.Winkelbauer, D.S.Connolly, S.A.Kuvin, S.M.Mosby, C.J.Prokop, I.Stetcu

Absolute mass calibration of fission product distributions measured with the E-υ method

RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 92Rb; deduced fission product yields. The single-arm SPIDER spectrometer.

doi: 10.1016/j.nima.2022.166853
Citations: PlumX Metrics


2022JA08      Phys.Rev. C 105, L042802 (2022)

H.Jayatissa, M.L.Avila, K.E.Rehm, R.Talwar, P.Mohr, K.Auranen, J.Chen, D.A.Gorelov, C.R.Hoffman, C.L.Jiang, B.P.Kay, S.A.Kuvin, D.Santiago-Gonzalez

First direct measurement of the 13N(α, p)16O reaction relevant for core-collapse supernovae nucleosynthesis

NUCLEAR REACTIONS 4He(13N, p), E=34.6 MeV; measured energies and yields of reaction products; deduced σ(Ε) in the range E(cm)=3.26–6.02 MeV, astrophysical S-factor. 4He(13N, p), T=0.8-10.0 GK; deduced astrophysical reaction rates. Comparison to other experimental data, TALYS calculations and data from REACLIB. MUlti-Sampling Ionization Chamber (MUSIC) detector filled with He-Kr gas mixture at ATLAS (ANL).

doi: 10.1103/PhysRevC.105.L042802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2747.


2022KU12      Phys.Rev. C 105, 044608 (2022)

S.A.Kuvin, H.Y.Lee, B.DiGiovine, C.Eiroa-Lledo, A.Georgiadou, M.Herman, T.Kawano, V.Mocko, S.Mosby, C.Vermeulen, D.Votaw, M.White, L.Zavorka, G.Perdikakis, P.Tsintari, H.I.Kim

Direct measurement of 59Ni(n, p) 59Co and 59Ni(n, α)56Fe at fast-neutron energies from 500 keV to 10 MeV

NUCLEAR REACTIONS 59Ni(n, p), (n, α), E=0.5-10 MeV; measured Ep, Ip, Eα, Iα, neutron time of flight, np-coin, nα-coin; deduced Q, inclusive and exclusive σ(E). Comparison to statistical Hauser-Feschbach calculations (TALYS, CoH3), evaluated data (ENDF/B-VIII.0, JEFF-3.3, JENDL-4.0) and other experimental results. Low Energy (n, z) (LENZ) setup consisting of annular double-sided silicon strip detectors at the WNR facility at the Los Alamos Neutron Science Center (LANSCE).

doi: 10.1103/PhysRevC.105.044608
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14787.


2021CH19      Phys.Rev.Lett. 126, 132501 (2021)

R.J.Charity, T.B.Webb, J.M.Elson, D.E.M.Hoff, C.D.Pruitt, L.G.Sobotka, K.W.Brown, G.Cerizza, J.Estee, W.G.Lynch, J.Manfredi, P.Morfouace, C.Santamaria, S.Sweany, C.Y.Tsang, M.B.Tsang, Y.Zhang, K.Zhu, S.A.Kuvin, D.McNeel, J.Smith, A.H.Wuosmaa, Z.Chajecki

Observation of the Exotic Isotope 13F Located Four Neutrons beyond the Proton Drip Line

NUCLEAR REACTIONS 9Be(13O, 13F), E=69.5 MeV/nucleon; measured reaction products, Ep, Ip. 13F, 12O, 11N, 10C, 9B, 8Be; deduced 13F resonance parameters, energy levels, J, π, level decays via initial proton emissions.

doi: 10.1103/PhysRevLett.126.132501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2686. Data from this article have been entered in the XUNDL database. For more information, click here.


2021CH45      Phys.Rev. C 104, 024325 (2021)

R.J.Charity, T.B.Webb, J.M.Elson, D.E.M.Hoff, C.D.Pruitt, L.G.Sobotka, P.Navratil, G.Hupin, K.Kravvaris, S.Quaglioni, K.W.Brown, G.Cerizza, J.Estee, W.G.Lynch, J.Manfredi, P.Morfouace, C.Santamaria, S.Sweany, M.B.Tsang, T.Tsang, K.Zhu, S.A.Kuvin, D.McNeel, J.Smith, A.H.Wuosmaa, Z.Chajecki

Using spin alignment of inelastically excited nuclei in fast beams to assign spins: The spectroscopy of 13O as a test case

NUCLEAR REACTIONS 9Be(13O, 13O'), E=69.5 MeV/nucleon, [secondary 13O beam from 9Be(16O, X), E=150 MeV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured charged particles, angular distribution of protons in 1p- and 2p-decays of the excited states of 13O using High Resolution Array (HiRA) of 14 ΔE-E (Si-CsI(Tl)) telescopes; deduced invariant-mass distributions of the p+12N and 2p+11C events from the decay of 13O excited states. 13O; deduced levels, resonances, J, π, Γ, E(p), possibly rotational bands built on deformed cluster configurations predicted by antisymmetrized molecular dynamics (AMD) calculations. Comparison of p(θ) data with DWBA using FRESCO code, and level structure of 13O with ab initio no-core shell model with continuum (NCSMC), and with the structure of 13B mirror nucleus.

doi: 10.1103/PhysRevC.104.024325
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021KI06      Phys.Rev. C 104, 015807 (2021)

G.G.Kiss, M.La Cognata, R.Yarmukhamedov, K.I.Tursunmakhatov, I.Wiedenhover, L.T.Baby, S.Cherubini, A.Cvetinovic, G.D'Agata, P.Figuera, G.L.Guardo, M.Gulino, S.Hayakawa, I.Indelicato, L.Lamia, M.Lattuada, F.Mudo, S.Palmerini, R.G.Pizzone, G.G.Rapisarda, S.Romano, M.L.Sergi, R.Sparta, C.Spitaleri, O.Trippella, A.Tumino, M.Anastasiou, S.A.Kuvin, N.Rijal, B.Schmidt, S.B.Igamov, S.B.Sakuta, Zs.Fulop, Gy.Gyurky, T.Szucs, Z.Halasz, E.Somorjai, Z.Hons, J.Mrazek, R.E.Tribble, A.M.Mukhamedzhanov

Indirect determination of the astrophysical S factor for the 6Li (p, γ)7Be reaction using the asymptotic normalization coefficient method

NUCLEAR REACTIONS 6Li(3He, d)7Be, E=3, 5 MeV; measured E(d), I(d), σ(θ) using ΔE-E silicon detector telescopes at the University of Catania and the FN tandem accelerator of Florida State University. 7Be; deduced levels, asymptotic normalization coefficient (ANCs) for the g.s. and the first excited state at 429 keV of 7Be from DWBA analysis of angular distributions. 6Li(p, γ)7Be, E=0.05-0.35 MeV; deduced asymptotic normalization coefficient (ANCs) using results from the 6Li(3He, d) reaction. 6Li(p, γ)7Be, E<1.0 MeV; analyzed available experimental data; deduced astrophysical S factor from direct experimental data, as well as present indirect method from ANCs determined in 6Li(3He, d) experiment. Relevance to big-bang and stellar nucleosynthesis.

doi: 10.1103/PhysRevC.104.015807
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021KU19      Phys.Rev. C 104, 014603 (2021)

S.A.Kuvin, H.Y.Lee, B.DiGiovine, A.Georgiadou, S.Mosby, D.Votaw, M.White, L.Zavorka

Validation of neutron-induced reactions on natural carbon using an active target at neutron energies up to 22 MeV at LANSCE

NUCLEAR REACTIONS 12C(n, α)9Be, (n, p), (n, pd), 13C(n, α)10Be, E=6-22 MeV; measured reaction products, relative σ(E) using natural carbon target and LENZ annular silicon detectors with the flux monitor ionization chamber at Weapons Neutron Research (WNR) facility at the Los Alamos Neutron Science Center (LANSCE). Comparison with GEANT4 simulations using the ENDF/B-VIII.0 evaluated nuclear data library up to E(n)=20 MeV, and with previous experimental data.

doi: 10.1103/PhysRevC.104.014603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14711.


2021MC04      Phys.Rev. C 103, 064320 (2021)

D.G.McNeel, A.H.Wuosmaa, S.A.Kuvin, J.Smith, B.B.Back, J.Chen, C.R.Hoffman, B.P.Kay, G.L.Wilson, D.K.Sharp, R.M.Clark, H.L.Crawford, P.Fallon, A.O.Macchiavelli

Configuration mixing in 28Mg and the 26Mg(t, p)28Mg

NUCLEAR REACTIONS 3H(26Mg, p)28Mg, E=160.6 MeV; 2H(26Mg, p)27Mg, E=160.6 MeV; measured reaction products, particle-identification spectra, E(p), I(p), σ(θ) using HELIOS magnetic spectrometer and auxiliary detectors at the ATLAS-ANL facility. 28Mg; deduced levels, J, π, L-transfers; calculated levels, J, π, proton- and neutron-occupation numbers for selected states in 28Mg using shell model with SDPF-MU interaction. DWBA analysis of σ(θ) distributions. Comparison with previous experimental data in the ENSDF database. 2H(26Mg, p)27Mg reaction used for energy-calibration and transport-efficiency information. Relevance to sd-fp cross-shell excitations between the valley of stability and the 'island of inversion'.

doi: 10.1103/PhysRevC.103.064320
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2641. Data from this article have been entered in the XUNDL database. For more information, click here.


2020CH50      Eur.Phys.J. A 56, 297 (2020)

A.Chemey, A.Pica, L.Yao, W.Loveland, H.Y.Lee, S.A.Kuvin

Total kinetic energy and mass yields from the fast neutron-induced fission of 239Pu

NUCLEAR REACTIONS 239Pu(n, F), E=2.4-100 MeV; measured reaction products; deduced fission fragment mass distributions, mass yields, total kinetic energy (TKE) release in fission. Comparison with available data. The Los Alamos National Lab (LANL) WNR facility, on Flight Path 15R (FP15R).

doi: 10.1140/epja/s10050-020-00295-6
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14715.


2020KI03      Nucl.Instrum.Methods Phys.Res. A963, 163699(2020)

H.I.Kim, H.Y.Lee, T.Kawano, A.Georgiadou, S.A.Kuvin, L.Zavorka, M.W.Herman

New evaluation on angular distributions and energy spectra for neutron-induced charged-particle measurements

doi: 10.1016/j.nima.2020.163699
Citations: PlumX Metrics


2020KI11      Phys.Lett. B 807, 135606 (2020)

G.G.Kiss, M.La Cognata, C.Spitaleri, R.Yarmukhamedov, I.Wiedenhover, L.T.Baby, S.Cherubini, A.Cvetinovic, G.D'Agata, P.Figuera, G.L.Guardo, M.Gulino, S.Hayakawa, I.Indelicato, L.Lamia, M.Lattuada, F.Mudo, S.Palmerini, R.G.Pizzone, G.G.Rapisarda, S.Romano, M.L.Sergi, R.Sparta, O.Trippella, A.Tumino, M.Anastasiou, S.A.Kuvin, N.Rijal, B.Schmidt, S.B.Igamov, S.B.Sakuta, K.I.Tursunmakhatov, Zs.Fulop, G.Gyurky, T.Szucs, Z.Halasz, E.Somorjai, Z.Hons, J.Mrazek, R.E.Tribble, A.M.Mukhamedzhanov

Astrophysical S-factor for the 3He(α, γ)7Be reaction via the asymptotic normalization coefficient (ANC) method

NUCLEAR REACTIONS 6Li(3He, d)7Be, E=3, 5 MeV; measured reaction products; deduced σ(θ), S-factor, external capture contribution using the Asymptotic Normalization Coefficient (ANC) technique.

doi: 10.1016/j.physletb.2020.135606
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2598. Data from this article have been entered in the XUNDL database. For more information, click here.


2020KU17      Phys.Rev. C 102, 024623 (2020)

S.A.Kuvin, H.Y.Lee, T.Kawano, B.DiGiovine, A.Georgiadou, C.Vermeulen, M.White, L.Zavorka, H.I.Kim

Nonstatistical fluctuations in the 35Cl(n, p)35S reaction cross section at fast-neutron energies from 0.6 to 6 MeV

NUCLEAR REACTIONS 35Cl(n, p), (n, α), E=0.6-6 MeV spallation neutrons; measured charged particles from (n, p) and (n, α) reactions using the low energy LENZ experimental setup, flight path length using a sCVD diamond detector by measuring the neutron time of flight at the WNR facility of the Los Alamos Neutron Science Center (LANSCE); deduced Q value of the reaction from detected charged particle energy of the outgoing proton or α particle, and the corresponding neutron time-of-flight, σ(θ, E) for different reaction channels, angle-integrated partial cross section data for (n, p) and (n, α) channels. Comparison with statistical model HF calculation using the COH3 code, and Koning-Delaroche spherical optical potential and Kunieda coupled channel potential, and with evaluated cross section data in ENDF/B-VIII.0. 63Cu, 64Zn(n, p), (n, α), E=0.6-6 MeV; measured charged particles, σ(E) from the brass backing for background contributions, and to validate MCNP simulations using data from the present experiment, ENDF/B-VIII.0 evaluations, and from previous experiments.

doi: 10.1103/PhysRevC.102.024623
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14683.


2020PI16      Phys.Rev. C 102, 064612 (2020)

A.Pica, A.T.Chemey, L.Yao, W.Loveland, H.Y.Lee, S.A.Kuvin

Total kinetic energy release in the fast-neutron-induced fission of 237Np

NUCLEAR REACTIONS 237Np(n, F), E=2.6-100 MeV; measured fission fragments, time of flight of each interacting neutron using two arrays of nine Si PIN photodiodes at the LANSCE-WNR facility; deduced mass yield distributions, post- and pre-neutron emission total kinetic energy (TKEs), σ(E), product mass TKE distributions as function of neutron energy, dependence of asymmetric TKE events on neutron energy. Comparison with predictions of GEF (GEneral description of Fission observables) model.

doi: 10.1103/PhysRevC.102.064612
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14677.


2020SA44      Phys.Rev. C 102, 064317 (2020)

M.Salathe, H.L.Crawford, A.O.Macchiavelli, B.P.Kay, C.R.Hoffman, A.D.Ayangeakaa, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, S.A.Kuvin, J.Sethi, M.Wiedeking, J.R.Winkelbauer, A.H.Wuosmaa

Search for the 1/2+ intruder state in 35P

NUCLEAR REACTIONS 2H(36S, 3He), E=15.3 MeV/nucleon; measured E(3He), I(3He), σ(θ) using deuterated-plastic targets and HELIOS solenoidal spectrometer at the ATLAS-ANL facility. 35P; deduced levels, J, π, spectroscopic factors, configurations, 0p0h waveform amplitude of the 36S ground state, no candidate peak for 2p2h bandhead and a deformed intruder state in 35P. Angular distribution data analyzed using PTOLEMY DWBA calculations with possible combinations of optical potentials. Comparison with previous experimental results. Systematics of experimental and shell model results for energies of 2p2h bandheads for the N=20 isotones: 32Mg, 33Al, 34Si, 35P, 36S.

doi: 10.1103/PhysRevC.102.064317
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020WE08      Phys.Rev. C 101, 044317 (2020)

T.B.Webb, R.J.Charity, J.M.Elson, D.E.M.Hoff, C.D.Pruitt, L.G.Sobotka, K.W.Brown, J.Barney, G.Cerizza, J.Estee, W.G.Lynch, J.Manfredi, P.Morfouace, C.Santamaria, S.Sweany, M.B.Tsang, T.Tsang, Y.Zhang, K.Zhu, S.A.Kuvin, D.McNeel, J.Smith, A.H.Wuosmaa, Z.Chajecki

Invariant-mass spectrum of 11O

NUCLEAR REACTIONS 9Be(13O, 11O), E=69.5 MeV/nucleon; measured Ep, Ip, and invariant mass spectrum of 11O fragments from (9C)2p-coin events with two-proton emission from two states in 11O, longitudinal-momentum distributions using the HiRA array at NSCL-MSU facility. 11O; deduced levels, S(2p) for ground state.

doi: 10.1103/PhysRevC.101.044317
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019AU02      Phys.Lett. B 792, 187 (2019)

K.Auranen, D.Seweryniak, M.Albers, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, C.J.Chiara, P.Copp, H.M.David, D.T.Doherty, J.Harker, C.R.Hoffman, R.V.F.Janssens, T.L.Khoo, S.A.Kuvin, T.Lauritsen, G.Lotay, A.M.Rogers, C.Scholey, J.Sethi, R.Talwar, W.B.Walters, P.J.Woods, S.Zhu

Proton decay of 108I and its significance for the termination of the astrophysical rp-process

RADIOACTIVITY 108I(α), (p), 109I(p), 107,108Te(α) [from 54Fe(58Ni, X)108I/109I/108Te/107Te, E=254 MeV]; measured Eα, Iα, Ep, Ip; deduced Q-values, T1/2, mass excesses, branching ratio. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2019.03.039
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019CH51      Phys.Rev. C 100, 064314 (2019)

J.Chen, K.Auranen, M.L.Avila, B.B.Back, M.A.Caprio, C.R.Hoffman, D.Gorelov, B.P.Kay, S.A.Kuvin, Q.Liu, J.L.Lou, A.O.Macchiavelli, D.G.McNeel, T.L.Tang, D.Santiago-Gonzalez, R.Talwar, J.Wu, G.Wilson, R.B.Wiringa, Y.L.Ye, C.X.Yuan, H.L.Zang

Experimental study of the low-lying negative-parity states in 11Be using the 12B (d, 3He) 11Be reaction

NUCLEAR REACTIONS 2H(12B, 3He)11Be, (12B, 12B'), E=12 MeV/nucleon, [secondary 12Be beam from 2H(11B, 12B), E=13.5 MeV/nucleon primary reaction]; measured reaction products, E(3He), I(3He), (3He)(11Be)- and (3He)(10Be)-coin, σ(θ) using the HELical Orbit Spectrometer (HELIOS) at the ATLAS In-Flight facility at ANL. Deuterated polyethylene (CD2)n target. 11Be; deduced levels, l-transfers, configurations, spectroscopic factors. Distorted wave Born approximation (DWBA) analysis. Comparison with previous experimental data, and with results from variational Monte Carlo and no-core shell-model calculations. Comparison with 11B(d, 3He)10Be experimental data.

doi: 10.1103/PhysRevC.100.064314
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2438. Data from this article have been entered in the XUNDL database. For more information, click here.


2019WE03      Phys.Rev.Lett. 122, 122501 (2019)

T.B.Webb, S.M.Wang, K.W.Brown, R.J.Charity, J.M.Elson, J.Barney, G.Cerizza, Z.Chajecki, J.Estee, D.E.M.Hoff, S.A.Kuvin, W.G.Lynch, J.Manfredi, D.McNeel, P.Morfouace, W.Nazarewicz, C.D.Pruitt, C.Santamaria, J.Smith, L.G.Sobotka, S.Sweany, C.Y.Tsang, M.B.Tsang, A.H.Wuosmaa, Y.Zhang, K.Zhu

first Observation of Unbound 11O, the Mirror of the Halo Nucleus 11Li

RADIOACTIVITY 11,12O(2p) [from 9Be(13O, xn)11O/12O, E<69.5 MeV/nucleon]; measured decay products, Ep, Ip; deduced an invariant-mass spectrum, resonant state widths, two-nucleon density distributions. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.122.122501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019WE11      Phys.Rev. C 100, 024306 (2019); Erratum Phys.Rev. C 102, 019904 (2020)

T.B.Webb, R.J.Charity, J.M.Elson, D.E.M.Hoff, C.D.Pruitt, L.G.Sobotka, K.W.Brown, J.Barney, G.Cerizza, J.Estee, G.Jhang, W.G.Lynch, J.Manfredi, P.Morfouace, C.Santamaria, S.Sweany, M.B.Tsang, T.Tsang, S.M.Wang, Y.Zhang, K.Zhu, S.A.Kuvin, D.McNeel, J.Smith, A.H.Wuosmaa, Z.Chajecki

Particle decays of levels in 11, 12N and 12O investigated with the invariant-mass method

NUCLEAR REACTIONS 9Be(13O, 12O), (13O, 12N), (13O, 11N), E=69.5 MeV/nucleon, [secondary 13O beam from 9Be(16O, 12O), E=150 MeV/nucleon primary reaction, followed by separation of ion beam using A1900 magnetic separator]; measured charged particles, (particle)(particle)-coin, cross sections using the High Resolution Array (HiRA) of 14 ΔE-E Si-CsI(Tl) telescopes at NSCL, MSU facility. 12,13O, 12N; deduced levels, J, π, 2p-, 3p-, 1p- and 2p+α-decay branches, p+10C, p+11C, 2p+10C invariance mass spectra, widths, total decay energy spectrum and invariant-mass spectra from coincident 4p+2α events. Comparison with Gamow coupled-channel (GCC) calculations, and with previous experimental data in the ENSDF database.

doi: 10.1103/PhysRevC.100.024306
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018AU04      Phys.Rev.Lett. 121, 182501 (2018)

K.Auranen, D.Seweryniak, M.Albers, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, C.J.Chiara, P.Copp, H.M.David, D.T.Doherty, J.Harker, C.R.Hoffman, R.V.F.Janssens, T.L.Khoo, S.A.Kuvin, T.Lauritsen, G.Lotay, A.M.Rogers, J.Sethi, C.Scholey, R.Talwar, W.B.Walters, P.J.Woods, S.Zhu

Superallowed α Decay to Doubly Magic 100Sn

RADIOACTIVITY 108Xe, 104Te(α) [from 54Fe(58Ni, 4n)108Xe, E=245 MeV]; measured decay products, Eα, Iα; deduced α-particles energies, T1/2. A heavy self-conjugate nucleus, comparison with available data.

doi: 10.1103/PhysRevLett.121.182501
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2018CH36      Phys.Rev. C 98, 014325 (2018)

J.Chen, C.R.Hoffman, T.Ahn, K.Auranen, M.L.Avila, B.B.Back, D.W.Bardayan, D.Blankstein, P.Copp, D.Gorelov, B.P.Kay, S.A.Kuvin, J.P.Lai, D.G.McNeel, P.D.O'Malley, A.M.Rogers, D.Santiago-Gonzalez, J.P.Schiffer, J.Sethi, R.Talwar, J.R.Winkelbauer

Experimental study of the effective nucleon-nucleon interaction using the 21F(d, p)22F reaction

NUCLEAR REACTIONS 2H(21F, p), E=10 MeV/nucleon, [21F secondary beam from 9Be(22Ne, 21F), E=11 MeV/nucleon primary reaction using ATLAS-ANL facility]; measured Ep, Ip, 22Fe recoils, (22F)p-coin, and σ(θ) using HELIcal Orbit Spectrometer (HELIOS). 22F; deduced levels, J, π, spectroscopic factors and strengths, energy centroids and diagonal particle-hole two-body matrix elements (TBMEs) as function of angular momentum, N=14, 16 shell gaps. Distorted wave Born approximation (DWBA) method for theoretical σ(θ) calculations. Comparison with theoretical spectroscopic strengths by shell-model calculation using the USDA and USDB interactions.

doi: 10.1103/PhysRevC.98.014325
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2353. Data from this article have been entered in the XUNDL database. For more information, click here.


2018JI01      Phys.Rev. C 97, 012801 (2018)

C.L.Jiang, D.Santiago-Gonzalez, S.Almaraz-Calderon, K.E.Rehm, B.B.Back, K.Auranen, M.L.Avila, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, C.Dickerson, B.DiGiovine, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, B.P.Kay, S.A.Kuvin, T.Lauritsen, R.C.Pardo, J.Sethi, D.Seweryniak, R.Talwar, C.Ugalde, S.Zhu, D.Bourgin, S.Courtin, F.Haas, M.Heine, G.Fruet, D.Montanari, D.G.Jenkins, L.Morris, A.Lefebvre-Schuhl, M.Alcorta, X.Fang, X.D.Tang, B.Bucher, C.M.Deibel, S.T.Marley

Reaction rate for carbon burning in massive stars

NUCLEAR REACTIONS 12C(12C, p)23Na, (12C, α)20Ne, E=5.5-10 MeV; measured Eγ, Iγ, (particle)γ-coin, σ(E) using Gammasphere array and an array of three annular double-sided silicon strip detectors at the ATLAS-ANL facility; deduced S factors and astrophysical reaction rates. Comparison with previous measurements, and with data from other reactions. Relevance to carbon burning is a critical phase for nucleosynthesis in massive stars.

doi: 10.1103/PhysRevC.97.012801
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2018SA13      Phys.Rev.Lett. 120, 122503 (2018)

D.Santiago-Gonzalez, K.Auranen, M.L.Avila, A.D.Ayangeakaa, B.B.Back, S.Bottoni, M.P.Carpenter, J.Chen, C.M.Deibel, A.A.Hood, C.R.Hoffman, R.V.F.Janssens, C.L.Jiang, B.P.Kay, S.A.Kuvin, A.Lauer, J.P.Schiffer, J.Sethi, R.Talwar, I.Wiedenhover, J.Winkelbauer, S.Zhu

Probing the Single-Particle Character of Rotational States in 19F Using a Short-Lived Isomeric Beam

NUCLEAR REACTIONS 2H(18F, p), E=14 MeV/nucleon; measured reaction products, Ep, Ip. 19F; deduced energy levels, J, π, relative spectroscopic factors, rotational band. Comparison with shell-model calculations.

doi: 10.1103/PhysRevLett.120.122503
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2018TA12      Phys.Rev. C 97, 055801 (2018)

R.Talwar, M.J.Bojazi, P.Mohr, K.Auranen, M.L.Avila, A.D.Ayangeakaa, J.Harker, C.R.Hoffman, C.L.Jiang, S.A.Kuvin, B.S.Meyer, K.E.Rehm, D.Santiago-Gonzalez, J.Sethi, C.Ugalde, J.R.Winkelbauer

Experimental study of 38Ar + α reaction cross sections relevant to the 41Ca abundance in the solar system

NUCLEAR REACTIONS 4He(38Ar, p), (38Ar, n), (38Ar, α'), E=133 MeV; measured energies and yields of reaction products, energy- and angle integrated σ(E) using multisampling ionization chamber (MUSIC) detector at the ATLAS-ANL facility. Comparison with previous experimental values, and with statistical model calculations using TALYS code. 41K(p, α)38Ar, 41Ca(n, α)38Ar, T=0.1-10.0 GK; deduced astrophysical reaction rates, and compared with statistical model calculations, and with REACLIB fits. Discussed relevance to 41Ca abundance in the solar system.

doi: 10.1103/PhysRevC.97.055801
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2017AL29      Phys.Rev.Lett. 119, 072701 (2017)

S.Almaraz-Calderon, K.E.Rehm, N.Gerken, M.L.Avila, B.P.Kay, R.Talwar, A.D.Ayangeakaa, S.Bottoni, A.A.Chen, C.M.Deibel, C.Dickerson, K.Hanselman, C.R.Hoffman, C.L.Jiang, S.A.Kuvin, O.Nusair, R.C.Pardo, D.Santiago-Gonzalez, J.Sethi, C.Ugalde

Study of the 26Alm(d, p)27Al Reaction and the Influence of the 26Al 0+ Isomer on the Destruction of 26Al in the Galaxy

NUCLEAR REACTIONS C, 2H(26Al, p), E=120 MeV; measured reaction products, Eγ, Iγ. 26Al; deduced σ(θ), reaction rates. Comparison with available data, DWBA calculations.

doi: 10.1103/PhysRevLett.119.072701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2278. Data from this article have been entered in the XUNDL database. For more information, click here.


2017KU24      Phys.Rev. C 96, 041301 (2017)

S.A.Kuvin, A.H.Wuosmaa, C.J.Lister, M.L.Avila, C.R.Hoffman, B.P.Kay, D.G.McNeel, C.Morse, E.A.McCutchan, D.Santiago-Gonzalez, J.R.Winkelbauer

α decay of the T = 1, 2+ state in 10B and isospin symmetry breaking in the A = 10 triplet

NUCLEAR REACTIONS 1H(10B, 10B'), E=10 MeV/nucleon; measured Ep, Ip, ΔE-E particle-identification spectra for α, 6Li and 10B particles, p(10Be)-, pα(6Li)-coin, angular distributions of the 1740-, 2154- and 3587-keV states for protons and for p(10B) coincidences, α-decay branching ratio of the 5164-keV state in 10B using HELIOS spectrometer at ATLAS-ANL facility. 10B; deduced levels, partial Γα and Γγ, B(E2) for the 5164-keV state. Comparison with B(E2) for 10Be and 10C, previous experimental results, and with ab initio Green's function Monte Carlo (GFMC) calculations using realistic three-nucleon Hamiltonians.

doi: 10.1103/PhysRevC.96.041301
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2017KU27      Phys.Rev. C 96, 045812 (2017)

S.A.Kuvin, J.Belarge, L.T.Baby, J.Baker, I.Wiedenhover, P.Hoflich, A.Volya, J.C.Blackmon, C.M.Deibel, H.E.Gardiner, J.Lai, L.E.Linhardt, K.T.Macon, B.C.Rasco, N.Quails, K.Colbert, D.L.Gay, N.Keeley

Measurement of 17F (d, n) 18Ne and the impact on the 17F (p, γ) 18Ne reaction rate for astrophysics

NUCLEAR REACTIONS 2H(17F, n)18Ne, E=95.5 MeV, [secondary 17F beam from 2H(16O, n) primary reaction using RESOLUT RIB facility at the accelerator Laboratory of Florida State University]; measured reaction products, time-of-flight, E(n), I(n), E(p), I(p), Eγ, γγ-, (particle)γ-, and (17F)p-coin using RESONEUT detector system. 18Ne; deduced center-of-mass resonance-energy spectrum from invariant-mass analysis, levels, proton resonances, J, π, σ, spectroscopic factors, Γp, configurations, asymptotic normalization coefficients (ANCs). Coupled reaction-channel (CRC) calculation. 17F(p, γ), T9=0.04-0.9; deduced direct-capture reaction rates for astrophysical hot CNO cycles in novas. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.96.045812
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2277. Data from this article have been entered in the XUNDL database. For more information, click here.


2017SI03      Phys.Lett. B 765, 99 (2017)

V.Singh, J.Vadas, T.K.Steinbach, B.B.Wiggins, S.Hudan, R.T.deSouza, Z.Lin, C.J.Horowitz, L.T.Baby, S.A.Kuvin, V.Tripathi, I.Wiedenhover, A.S.Umar

Fusion enhancement at near and sub-barrier energies in 19O + 12C

NUCLEAR REACTIONS 12C(18O, X), (19O, X), E(cm)<20 MeV; measured reaction products; deduced σ. comparison with a state-of-the-art microscopic model.

doi: 10.1016/j.physletb.2016.12.017
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2016BE32      Phys.Rev.Lett. 117, 182701 (2016)

J.Belarge, S.A.Kuvin, L.T.Baby, J.Baker, I.Wiedenhover, P.Hoflich, A.Volya, J.C.Blackmon, C.M.Deibel, H.E.Gardiner, J.Lai, L.E.Linhardt, K.T.Macon, E.Need, B.C.Rasco, N.Quails, K.Colbert, D.L.Gay, N.Keeley

Experimental Investigation of the 19Ne(p, γ)20Na Reaction Rate and Implications for Breakout from the Hot CNO Cycle

NUCLEAR REACTIONS 2H(19Ne, n), E=86 MeV; measured reaction products, Ep, Ip; deduced energy levels, J, π, properties of low-lying resonances, astrophysical reaction rates. Comparison with available data.

doi: 10.1103/PhysRevLett.117.182701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2248. Data from this article have been entered in the XUNDL database. For more information, click here.


2016ME05      Acta Phys.Pol. B47, 815 (2016)

C.E.Mertin, L.T.Baby, D.D.Caussyn, K.W.Kemper, N.Keeley, S.A.Kuvin, A.V.Skeeters, I.Wiedenhover

Population of Levels in 15O up to 15 MeV in Excitation by the 14N(3He, d) Reaction

NUCLEAR REACTIONS 14N(3He, d), E=20 MeV; measured reaction products; deduced level energies, J, π. Comparison with available data.

doi: 10.5506/APhysPolB.47.815
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2015VA21      Phys.Rev. C 92, 064610 (2015)

J.Vadas, T.K.Steinbach, J.Schmidt, V.Singh, C.Haycraft, S.Hudan, R.T.deSouza, L.T.Baby, S.A.Kuvin, I.Wiedenhover

Evidence for survival of the α cluster structure in light nuclei through the fusion process

NUCLEAR REACTIONS 12C(18O, X), E=16.25, 17.5, 18.8, 20, 22.5, 25, 27.5, 32, 36 MeV; measured energy versus time-of-flight spectrum of evaporation residues (ER), σ(θ, E) and yields of ERs, Eα, Iα, α(θ), average energy of α particles at Florida State Tandem accelerator facility. Comparison with statistical model calculations using EVPAOR and PACE4 codes, and with experimental data for 12,13C(16O, X), E(cm)=6-15 MeV.

doi: 10.1103/PhysRevC.92.064610
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2014ST22      Phys.Rev. C 90, 041603 (2014)

T.K.Steinbach, J.Vadas, J.Schmidt, C.Haycraft, S.Hudan, R.T.deSouza, L.T.Baby, S.A.Kuvin, I.Wiedenhover, A.S.Umar, V.E.Oberacker

Sub-barrier enhancement of fusion as compared to a microscopic method in 18O + 12C

NUCLEAR REACTIONS 12C(18O, X), E=16.25, 36 MeV; measured fragment spectra, fusion σ(E) in sub-barrier domain, time-of-flight (TOF) technique at FSU tandem accelerator facility. Pulsed beam. Comparison with previous experimental results, and with density-constrained time-dependent Hartree-Fock (DC-TDHF) and coupled channel calculations.

doi: 10.1103/PhysRevC.90.041603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2142.


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