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NSR database version of April 11, 2024.

Search: Author = R.H.Cyburt

Found 23 matches.

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2020ME06      Phys.Rev. C 101, 052801 (2020)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Nuclear mass measurements map the structure of atomic nuclei and accreting neutron stars

ATOMIC MASSES 48,49Ar, 52,53,54,55,56,57Sc, 56,57,58,59Ti, 57,58,59,60,61,62V, 64,65Cr, 67,68Mn, 67,68,69,70Fe; measured time of flight, ΔE, Bπ, and mass excess using the A1900 fragment separator and the S800 spectrograph for particle identification at the NSCL-MSU facility; deduced S(2n), and Dn(Z, A)=S(n)(Z, A+1)-S(n)(Z, A), related to pairing gap. Comparison with available evaluated data in AME2016, and with shell model calculations using GX1A Hamiltonian for Sc isotopes. Discussion of upper-Z limit for N=34 subshell closure and lower-Z limit for N=40 subshell, and impact on electron-capture cooling in neutron star crusts. Isotopes produced in 9Be(82Se, X), E=140 MeV/nucleon reaction.

doi: 10.1103/PhysRevC.101.052801
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2019WO01      Phys.Rev.Lett. 122, 232701 (2019)

C.Wolf, C.Langer, F.Montes, J.Pereira, W.-J.Ong, T.Poxon-Pearson, S.Ahn, S.Ayoub, T.Baumann, D.Bazin, P.C.Bender, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, E.Deleeuw, B.Elman, S.Fiebiger, A.Gade, P.Gastis, S.Lipschutz, B.Longfellow, Z.Meisel, F.M.Nunes, G.Perdikakis, R.Reifarth, W.A.Richter, H.Schatz, K.Schmidt, J.Schmitt, C.Sullivan, R.Titus, D.Weisshaar, P.J.Woods, J.C.Zamora, R.G.T.Zegers

Constraining the Neutron Star Compactness: Extraction 23Al(p, γ) Reaction Rate for the rp Process

NUCLEAR REACTIONS 2H(23Al, n), E=48 MeV/nucleon; measured reaction products, En, In, Eγ, Iγ; deduced J, π, σ, σ(θ), resonance widths and spectroscopic strengths, reaction rates.

doi: 10.1103/PhysRevLett.122.232701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2458. Data from this article have been entered in the XUNDL database. For more information, click here.

2017ME01      Nucl.Instrum.Methods Phys.Res. A844, 45 (2017)

Z.Meisel, M.del Santo, H.L.Crawford, R.H.Cyburt, G.F.Grinyer, C.Langer, F.Montes, H.Schatz, K.Smith

β-particle energy-summing correction for β-delayed proton emission measurements

RADIOACTIVITY 67Se, 20Mg, 23Si, 69Kr(β+p); analyzed available data; calculated β-summing in the measurement of proton-decay energies of β-delayed proton-emitting nuclei detected via implantation.

doi: 10.1016/j.nima.2016.11.019
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2016ME07      Phys.Rev. C 93, 035805 (2016)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Sieja, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Time-of-flight mass measurements of neutron-rich chromium isotopes up to N=40 and implications for the accreted neutron star crust

ATOMIC MASSES 59,60,61,62,63,64Cr; measured mass excesses by time-of-flight (TOF) method using 9Be(82Se, X), E=140 MeV/nucleon for production of Si to Zn isotopes and A1900 fragment separator and S800 spectrograph for fragment separation and analysis at NSCL-MSU. TOF versus mass contour plot obtained for Ar (A=44-49), K (A=47-52), Ca (A=49-55), Sc (A=52-58), Ti (A=54-60), V (A=57-63), Cr (A=59-66), Mn (A=62-70) and Fe (A=64-71) isotopes. Analyzed S(2n) trends and compared to AME-2012. Comparison with state-of-the-art shell-model calculations using modified Lenzi-Nowacki-Poves-Sieja interaction in the fp shell, and with AME-2012 data. Mass of 64Cr used in accreted neutron star crust network calculations, and deduced reduction in strength depth of electron-capture heating from A=64 isobaric chain.

NUCLEAR REACTIONS 9Be(82Se, X), E=140 MeV/nucleon; measured time-of-flight, energy loss, fragment yields of 150 isotopes from Si to Zn using A1900 fragment separator and S800 spectrograph at NSCL-MSU.

doi: 10.1103/PhysRevC.93.035805
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2015ME01      Phys.Rev.Lett. 114, 022501 (2015)

Z.Meisel, S.George, S.Ahn, J.Browne, D.Bazin, B.A.Brown, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Mass Measurements Demonstrate a Strong N=28 Shell Gap in Argon

ATOMIC MASSES 48,49Ar; measured time of flight; deduced masses, N=28 closed shell, problems of shell model calculations.

doi: 10.1103/PhysRevLett.114.022501
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2015ME08      Phys.Rev.Lett. 115, 162501 (2015)

Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, A.L.Cole, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers

Mass Measurement of 56Sc Reveals a Small A=56 Odd-Even Mass Staggering, Implying a Cooler Accreted Neutron Star Crust

ATOMIC MASSES 52,53,54,55,56,57Sc; measured rigidity-corrected time-of-flight distributions; deduced atomic mass excesses. Comparison with AME 2012, theoretical models.

doi: 10.1103/PhysRevLett.115.162501
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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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Data from this article have been entered in the XUNDL database. For more information, click here.

2012CY01      Int.J.Mod.Phys. E21, 1250004 (2012)

R.H.Cyburt, M.Pospelov

Resonant enhancement of nuclear reactions as a possible solution to the cosmological lithium problem

NUCLEAR REACTIONS N(p, γ), E not given;4He(d, p), E not given; 7Be(n, p), E not given; 7Be(d, γ), (d, p), (t, γ), (t, p), (t, α), (α, γ), E not given; calculated resonance energies and widths. Resonance enhancement of 7Be burning reactions.

doi: 10.1142/S0218301312500048
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2012LO08      Phys.Rev. C 86, 014313 (2012)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

β-delayed proton emission in the 100Sn region

RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.

doi: 10.1103/PhysRevC.86.014313
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Data from this article have been entered in the XUNDL database. For more information, click here.

2011DA24      Astrophys.J. 735, 40 (2011)

B.Davids, R.H.Cyburt, J.Jose, S.Mythili

The Influence of Uncertainties in the 15O(α, γ)19Ne Reaction Rate on Models of Type I X-Ray Bursts

NUCLEAR REACTIONS 15O(α, γ), E<1 MeV; analyzed available data; calculated astrophysical reaction rate; deduced resonance parameters, uncertainties.

doi: 10.1088/0004-637X/735/1/40
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2011LO09      Phys.Lett. B 699, 141 (2011)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru

RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.

doi: 10.1016/j.physletb.2011.03.043
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010CY01      Astrophys.J.Suppl.Ser. 189, 240 (2010)

R.H.Cyburt, A.M.Amthor, R.Ferguson, Z.Meisel, K.Smith, S.Warren, A.Heger, R.D.Hoffman, T.Rauscher, A.Sakharuk, H.Schatz, F.K.Thielemann, M.Wiescher

The JINA REACLIB Database: Its Recent Updates and Impact on Type-I X-ray Bursts

doi: 10.1088/0067-0049/189/1/240
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2008CY01      Phys.Rev. C 78, 064614 (2008)

R.H.Cyburt, B.Davids

Evaluation of modern 3He(α, γ)7Be data

NUCLEAR REACTIONS 3He(α, γ)7Be; analyzed astrophysical S factors; deduced reaction rates.

doi: 10.1103/PhysRevC.78.064614
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2006AN16      Phys.Rev. C 74, 025809 (2006)

S.Ando, R.H.Cyburt, S.W.Hong, C.H.Hyun

Radiative neutron capture on a proton at big-bang nucleosynthesis energies

NUCLEAR REACTIONS 1H(n, γ), E(cm) ≈ 0-1 MeV; 2H(γ, n), E(cm) ≈ 0-1 MeV; calculated total σ. 2H(polarized γ, n), E ≈ 0-1 MeV; calculate analyzing power.

doi: 10.1103/PhysRevC.74.025809
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2005CY01      Astropart.Phys. 23, 313 (2005)

R.H.Cyburt, B.D.Fields, K.A.Olive, E.Skillman

New BBN limits on physics beyond the standard model from 4He

doi: 10.1016/j.astropartphys.2005.01.005
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2005CY02      Nucl.Phys. A758, 122c (2005)

R.H.Cyburt

Creating Nuclear Data Representations and Error Budget Accounting

doi: 10.1016/j.nuclphysa.2005.05.025
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2005CY03      Nucl.Phys. A758, 693c (2005)

R.H.Cyburt, B.Davids, B.K.Jennings

The 7Be(p, γ)8B Reaction and its Future

NUCLEAR REACTIONS 7Be(p, γ), E(cm)<425 keV; compiled, analyzed astrophysical S-factors.

doi: 10.1016/j.nuclphysa.2005.05.123
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2005CY04      Nucl.Phys. A758, 771c (2005)

R.H.Cyburt

What's Next for Big Bang Nucleosynthesis?

doi: 10.1016/j.nuclphysa.2005.05.139
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2004CY01      Phys.Rev. D 70, 023505 (2004)

R.H.Cyburt

Primordial nucleosynthesis for the new cosmology: Determining uncertainties and examining concordance

NUCLEAR REACTIONS 1H(n, γ), 2H(p, γ), (d, n), (d, p), 3H(d, n), (α, γ), 3He(n, p), (α, γ), 4He(d, p), 7Li(p, α), 7Be(n, p), E < 2 MeV; analyzed reaction rates; calculated big bang nucleosynthesis abundances.

doi: 10.1103/PhysRevD.70.023505
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2004CY02      Phys.Rev. C 70, 045801 (2004)

R.H.Cyburt, B.Davids, B.K.Jennings

Determination of S17(0) from published data

NUCLEAR REACTIONS 7Be(p, γ), E < 425 keV; analyzed data; deduced astrophysical S-factor.

doi: 10.1103/PhysRevC.70.045801
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2003CY01      Phys.Lett. B 567, 227 (2003)

R.H.Cyburt, B.D.Fields, K.A.Olive

Primordial nucleosynthesis in light of WMAP

doi: 10.1016/j.physletb.2003.06.026
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2003CY02      Nucl.Phys. A718, 380c (2003)

R.H.Cyburt

Primordial Nucleosynthesis in the New Cosmology

doi: 10.1016/S0375-9474(03)00804-2
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2002CY01      Astropart.Phys. 17, 87 (2002)

R.H.Cyburt, B.D.Fields, K.A.Olive

Primordial Nucleosynthesis with CMB Inputs: Probing the early universe and light element astrophysics

doi: 10.1016/S0927-6505(01)00171-2
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Note: The following list of authors and aliases matches the search parameter R.H.Cyburt: , R.H.CYBURT