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Search: Author = A.Heger

Found 28 matches.

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2022LA04      Astrophys.J. 929, 72 (2022)

Y.H.Lam, Z.X.Liu, A.Heger, N.Lu, A.M.Jacobs, Z.Johnston

Impact of the New 65As(p, γ)66Se Reaction Rate on the Two-proton Sequential Capture of 64Ge, Weak GeAs Cycles, and Type I X-Ray Bursts Such as the Clocked Burster GS 1826-24

NUCLEAR REACTIONS 65As(p, γ), E<200 KeV; analyzed available data; deduced reassessed value of reaction rates.

doi: 10.3847/1538-4357/ac4d8b
Citations: PlumX Metrics

2022LA05      Astrophys.J. 929, 73 (2022)

Y.H.Lam, N.Lu, A.Heger, A.M.Jacobs, N.A.Smirnova, T.Kurtukian Nieto, Z.Johnston, S.Kubono

The Regulated NiCu Cycles with the New 57Cu(p, γ)58Zn Reaction Rate and Its Influence on Type I X-Ray Bursts: the GS 1826-24 Clocked Burster

NUCLEAR REACTIONS 57Cu(p, γ), E<200 keV; analyzed available data; calculated reaction rates.

doi: 10.3847/1538-4357/ac4d89
Citations: PlumX Metrics

2022LI28      Few-Body Systems 63, 43 (2022)

W.P.Liu, Z.H.Li, J.J.He, X.D.Tang, G.Lian, J.Su, Y.P.Shen, Z.An, F.Q.Chao, J.J.Chang, L.H.Chen, H.Chen, X.J.Chen, Y.H.Chen, Z.J.Chen, B.Q.Cui, X.C.Du, X.Fang, C.B.Fu, L.Gan, B.Guo, Z.Y.Han, X.Y.Guo, G.Z.He, J.R.He, A.Heger, S.Q.Hou, H.X.Huang, N.Huang, B.L.Jia, L.Y.Jiang, S.Kubono, J.M.Li, M.C.Li, K.A.Li, E.T.Li, T.Li, Y.J.Li, M.Lugaro, X.B.Luo, H.Y.Ma, S.B.Ma, D.M.Mei, W.Nan, W.K.Nan, N.C.Qi, Y.Z.Qian, J.C.Qin, J.Ren, C.S.Shang, L.T.Sun, W.L.Sun, W.P.Tan, I.Tanihata, S.Wang, P.Wang, Y.B.Wang, Q.Wu, S.W.Xu, S.Q.Yan, L.T.Yang, Y.Yang, X.Q.Yu, Q.Yue, S.Zeng, L.Zhang, H.Zhang, H.Y.Zhang, L.Y.Zhang, N.T.Zhang, P.Zhang, Q.W.Zhang, T.Zhang, X.P.Zhang, X.Z.Zhang, W.Zhao, J.F.Zhou, Y.Zho

Progress of Underground Nuclear Astrophysics Experiment JUNA in China

NUCLEAR REACTIONS 12C(α, γ), 13C(α, n), 25Mg(p, γ), 19F(p, α), E(cm)<600 keV; measured reaction products; deduced yields near the Gamow window. Comparison with available data.

doi: 10.1007/s00601-022-01735-3
Citations: PlumX Metrics

2022SC17      J.Phys.(London) G49, 110502 (2022)

H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations

Horizons: nuclear astrophysics in the 2020s and beyond

doi: https://dx.doi.org/10.1088/1361-6471/ac8890
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2022ZH60      Nature(London) 610, 656 (2022)

L.Zhang, J.He, R.J.deBoer, M.Wiescher, A.Heger, D.Kahl, J.Su, D.Odell, Y.Chen, X.Li, J.Wang, L.Zhang, F.Cao, H.Zhang, Z.Zhang, X.Jiang, L.Wang, Z.Li, L.Song, H.Zhao, L.Sun, Q.Wu, J.Li, B.Cui, L.Chen, R.Ma, E.Li, G.Lian, Y.D.Sheng, Z.Li, B.Guo, X.Zhou, Y.Zhang, H.Xu, J.Cheng, W.Liu

Measurement of 19F(p, γ)20Ne reaction suggests CNO breakout in first stars

NUCLEAR REACTIONS 19F(p, γ), E(cm)<400 keV; measured reaction products, Eγ, Iγ; deduced yields, S-factor, resonance strengths, astrophysical reaction rates. Comparison with available data. The Jinping Underground Nuclear Astrophysics Experiment (JUNA).

doi: 10.1038/s41586-022-05230-x
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2021GA15      Phys.Rev.Lett. 126, 152701 (2021)

B.Gao, S.Giraud, K.A.Li, A.Sieverding, R.G.T.Zegers, X.Tang, J.Ash, Y.Ayyad-Limonge, D.Bazin, S.Biswas, B.A.Brown, J.Chen, M.DeNudt, P.Farris, J.M.Gabler, A.Gade, T.Ginter, M.Grinder, A.Heger, C.Hultquist, A.M.Hill, H.Iwasaki, E.Kwan, J.Li, B.Longfellow, C.Maher, F.Ndayisabye, S.Noji, J.Pereira, C.Qi, J.Rebenstock, A.Revel, D.Rhodes, A.Sanchez, J.Schmitt, C.Sumithrarachchi, B.H.Sun, D.Weisshaar

New 59Fe Stellar Decay Rate with Implications for the 60Fe Radioactivity in Massive Stars

NUCLEAR REACTIONS 59Co(t, 3He)59Fe, E=115 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ(θ), B(GT), β-decay rates. Comparison with stellar evolution calculations.

doi: 10.1103/PhysRevLett.126.152701
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021HU23      Phys.Rev.Lett. 127, 172701 (2021)

J.Hu, H.Yamaguchi, Y.H.Lam, A.Heger, D.Kahl, A.M.Jacobs, Z.Johnston, S.W.Xu, N.T.Zhang, S.B.Ma, L.H.Ru, E.Q.Liu, T.Liu, S.Hayakawa, L.Yang, H.Shimizu, C.B.Hamill, A.St J.Murphy, J.Su, X.Fang, K.Y.Chae, M.S.Kwag, S.M.Cha, N.N.Duy, N.K.Uyen, D.H.Kim, R.G.Pizzone, M.La Cognata, S.Cherubini, S.Romano, A.Tumino, J.Liang, A.Psaltis, M.Sferrazza, D.Kim, Y.Y.Li, S.Kubono

Advancement of Photospheric Radius Expansion and Clocked Type-I X-Ray Burst Models with the New 22Mg(α, p)25Al Reaction Rate Determined at the Gamow Energy

NUCLEAR REACTIONS 1H(25Al, p), (25Al, p'), (25Al, X), E=142 MeV; measured reaction products, Ep, Ip, Eγ, Iγ. 26Si; deduced σ(θ), level energies, J, π, resonance parameters, astrophysical reaction rates. Comparison with available data.

doi: 10.1103/physrevlett.127.172701
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2724. Data from this article have been entered in the XUNDL database. For more information, click here.

2020WA01      Astrophys.J. 889, 169 (2020)

W.Wang, T.Siegert, Z.G.Dai, R.Diehl, J.Greiner, A.Heger, M.Krause, M.Lang, M.M.M.Pleintinger, X.L.Zhang

Gamma-Ray Emission of 60Fe and 26Al Radioactivity in Our Galaxy

RADIOACTIVITY 26Al(EC), 60Fe(β-); measured decay products, Eγ, Iγ; deduced γ-ray flux and ratio from nucleosynthesis in the Galaxy.

doi: 10.3847/1538-4357/ab6336
Citations: PlumX Metrics

2019FR10      J.Phys.(London) G46, 084002 (2019)

C.Frohlich, S.Curtis, K.Ebinger, S.Ghosh, A.Menon, A.Heger, A.Perego, F.-K.Thielemann

Nucleosynthesis for SN 1987A from single star and binary-merger progenitors

NUCLEAR REACTIONS 28Si(28Si, X), E not given; analyzed available data. 56,57,58Ni, 44Ti; calculated nucleosynthesis yields. Comparison with observed abundances.

doi: 10.1088/1361-6471/ab1ff7
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2018WA01      Astrophys.J. 852, 40 (2018)

S.Wanajo, B.Muller, H.-T.Janka, A.Heger

Nucleosynthesis in the Innermost Ejecta of Neutrino-driven Supernova Explosions in Two Dimensions

ATOMIC MASSES Z=1-100; calculated astrophysical abundances, mass fractions.

doi: 10.3847/1538-4357/aa9d97
Citations: PlumX Metrics

2017AU04      Astrophys.J. 839, L9 (2017)

S.M.Austin, C.West, A.Heger

Reducing Uncertainties in the Production of the Gamma-emitting Nuclei 26Al, 44Ti, and 60Fe in Core-collapse Supernovae by Using Effective Helium Burning Rates

doi: 10.3847/2041-8213/aa68e7
Citations: PlumX Metrics

2015BU08      Phys.Rev.Lett. 114, 251102 (2015)

B.Bucher, X.D.Tang, X.Fang, A.Heger, S.Almaraz-Calderon, A.Alongi, A.D.Ayangeakaa, M.Beard, A.Best, J.Browne, C.Cahillane, M.Couder, R.J.deBoer, A.Kontos, L.Lamm, Y.J.Li, A.Long, W.Lu, S.Lyons, M.Notani, D.Patel, N.Paul, M.Pignatari, A.Roberts, D.Robertson, K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher, S.E.Woosley

First Direct Measurement of 12C(12C, n)23Mg at Stellar Energies

NUCLEAR REACTIONS 12C(12C, n), E=7.5, 9.5 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, S-factors, astrophysical reaction rate. Comparison with available data.

doi: 10.1103/PhysRevLett.114.251102
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2168.

2011AU01      Phys.Rev.Lett. 106, 152501 (2011)

S.M.Austin, A.Heger, C.Tur

11B and Constraints on Neutrino Oscillations and Spectra from Neutrino Nucleosynthesis

NUCLEAR REACTIONS 4He(α, X)8Be, 8Be(α, X)12C, 12C(α, γ)16O, E not given; analyzed σ, uncertainties, reaction rates, yields. 7Li, 11B, 19F, 138La, 180Ta; deduced constraints on supernova neutrino spectra.

doi: 10.1103/PhysRevLett.106.152501
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2010GA36      J.Phys.:Conf.Ser. 202, 012009 (2010)

D.Galaviz, A.M.Amthor, D.Bazin, A.D.Becerril, B.A.Brown, A.A.Chen, A.Cole, J.M.Cook, T.Elliot, A.Estrade, Z.S.Fulop, A.Gade, T.Glasmacher, A.Heger, M.E.Howard, R.Kessler, G.Lorusso, M.Matos, F.Montes, W.Muller, J.Pereira, H.Schatz, B.Sherrill, F.Schertz, Y.Shimbara, E.Smith, K.Smith, A.Tamii, A.Stolz, D.Weisshaar, M.Wallace, M.Wiescher, R.G.T.Zegers

Nucleosynthesis of proton-rich nuclei. Experimental results on the rp-process

NUCLEAR REACTIONS 9Be(36Ar, X)30S, (40Ca, X)36K, (40Ca, X)37Ca, E=140 MeV/nucleon; measured 30S, 36K, 37Ca [obtained by further stripping of one nucleon from fragmentation product] in-flight Eγ, Iγ, (recoil)γ-coin; deduced 29P(p, γ)30S stellar reaction rate relevant to X-bursts. Compared with other published reaction rates.

doi: 10.1088/1742-6596/202/1/012009
Citations: PlumX Metrics

2010TU03      Astrophys.J. 718, 357 (2010)

C.Tur, A.Heger, S.M.Austin

Production of 26Al, 44Ti, and 60Fe in Core-collapse Supernovae: Sensitivity to the Rates of the Triple Alpha and 12C(α, γ)16O Reactions

doi: 10.1088/0004-637X/718/1/357
Citations: PlumX Metrics

2007BY02      Phys.Rev.Lett. 98, 082501 (2007)

A.Byelikov, T.Adachi, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, A.Heger, Y.Kalmykov, K.Kawase, K.Langanke, G.Martinez-Pinedo, K.Nakanishi, P.von Neumann-Cosel, R.Neveling, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, A.Tamii, S.E.Woosley, M.Yosoi

Gamow-Teller Strength in the Exotic Odd-Odd Nuclei 138La and 180Ta and Its Relevance for Neutrino, Nucleosynthesis

NUCLEAR REACTIONS 138Ba, 180Hf(3He, t), E=140 MeV/nucleon; measured particle spectra. 138La, 180Ta deduced Gamow-Teller strength distributions. Implications for stellar nucleosynthesis discussed.

doi: 10.1103/PhysRevLett.98.082501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2006NA02      Phys.Rev.Lett. 96, 041102 (2006)

H.Nassar, M.Paul, I.Ahmad, Y.Ben-Dov, J.Caggiano, S.Ghelberg, S.Goriely, J.P.Greene, M.Hass, A.Heger, A.Heinz, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, Y.Kashiv, B.S.Nara Singh, A.Ofan, R.C.Pardo, T.Pennington, K.E.Rehm, G.Savard, R.Scott, R.Vondrasek

40Ca(α, γ)44Ti Reaction in the Energy Regime of Supernova Nucleosynthesis

NUCLEAR REACTIONS 4He(40Ca, γ), E(cm) ≈ 0.6-1.2 MeV/nucleon; measured yield. 40Ca(α, γ), E=low; deduced astrophysical reaction rate. Accelerator mass spectrometry.

doi: 10.1103/PhysRevLett.96.041102
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1406.

2005BI19      Nucl.Phys. A758, 284c (2005)

S.Bisterzo, L.Pompeia, R.Gallino, M.Pignatari, K.Cunha, A.Heger, V.Smith

Cu and Zn in different stellar populations: Inferring their astrophysical origin

doi: 10.1016/j.nuclphysa.2005.05.049
Citations: PlumX Metrics

2005HE02      Phys.Lett. B 606, 258 (2005)

A.Heger, E.Kolbe, W.C.Haxton, K.Langanke, G.Martinez-Pinedo, S.E.Woosley

Neutrino nucleosynthesis

doi: 10.1016/j.physletb.2004.12.017
Citations: PlumX Metrics

2005NA08      Phys.Rev.Lett. 94, 092504 (2005)

H.Nassar, M.Paul, I.Ahmad, D.Berkovits, M.Bettan, P.Collon, S.Dababneh, S.Ghelberg, J.P.Greene, A.Heger, M.Heil, D.J.Henderson, C.L.Jiang, F.Kappeler, H.Koivisto, S.O'Brien, R.C.Pardo, N.Patronis, T.Pennington, R.Plag, K.E.Rehm, R.Reifarth, R.Scott, S.Sinha, X.Tang, R.Vondrasek

Stellar (n, γ) Cross Section of 62Ni

NUCLEAR REACTIONS 62Ni(n, γ), E=spectrum; measured total σ. Fast-neutron activation, accelerator mass spectrometry. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.94.092504
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22959.

2003HE16      Nucl.Phys. A718, 159c (2003)

A.Heger, S.E.Woosley, K.Langanke, E.Kolbe, T.Rauscher, R.D.Hoffman

Nucleosynthesis of heavy elements in massive stars

doi: 10.1016/S0375-9474(03)00708-5
Citations: PlumX Metrics

2003RA40      Nucl.Phys. A718, 463c (2003)

T.Rauscher, A.Heger, R.D.Hoffman, S.E.Woosley

Hydrostatic and Explosive Nucleosynthesis in Massive Stars Using Improved Nuclear and Stellar Physics

doi: 10.1016/S0375-9474(03)00852-2
Citations: PlumX Metrics

2003WO09      Nucl.Phys. A718, 3c (2003)

S.E.Woosley, A.Heger, T.Rauscher, R.D.Hoffman

Nuclear Data Needs for the Study of Nucleosynthesis in Massive Stars

doi: 10.1016/S0375-9474(03)00673-0
Citations: PlumX Metrics

2002RA44      Astrophys.J. 576, 323 (2002)

T.Rauscher, A.Heger, R.D.Hoffman, S.E.Woosley

Nucleosynthesis in Massive Stars with Improved Nuclear and Stellar Physics

doi: 10.1086/341728
Citations: PlumX Metrics

2001HE20      Nucl.Phys. A688, 197c (2001)

A.Heger, I.Baraffe, C.L.Fryer, S.E.Woosley

Evolution and Nucleosynthesis of Very Massive Primordial Stars

doi: 10.1016/S0375-9474(01)00697-2
Citations: PlumX Metrics

2001RA23      Nucl.Phys. A688, 193c (2001)

T.Rauscher, A.Heger, R.D.Hoffman, S.E.Woosley

Nucleosynthesis in Massive Stars Revisited

doi: 10.1016/S0375-9474(01)00696-0
Citations: PlumX Metrics

1997LA24      Nucl.Phys. A621, 457C (1997)

N.Langer, J.Fliegner, A.Heger, S.E.Woosley

Nucleosynthesis in Rotating Massive Stars

doi: 10.1016/S0375-9474(97)00290-X
Citations: PlumX Metrics

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