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NSR database version of April 26, 2024.

Search: Author = P.Steier

Found 26 matches.

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2020RI02      Eur.Phys.J. A 56, 100 (2020)

K.Riisager, M.J.G.Borge, J.A.Briz, M.Carmona-Gallardo, O.Forstner, L.M.Fraile, H.O.U.Fynbo, A.Garzon-Camacho, J.G.Johansen, B.Jonson, M.V.Lund, J.Lachner, M.Madurga, S.Merchel, E.Nacher, T.Nilsson, P.Steier, O.Tengblad, V.Vedia

Search for beta-delayed proton emission from ¹¹Be

doi: 10.1140/epja/s10050-020-00110-2
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2019PA03      Phys.Rev. C 99, 015801 (2019)

S.Pavetich, A.Wallner, M.Martschini, S.Akhmadaliev, I.Dillmann, K.Fifield, S.Halfon, T.Heftrich, F.Kappeler, C.Lederer-Woods, S.Merchel, M.Paul, R.Reifarth, G.Rugel, P.Steier, M.Tessler, S.Tims, M.Weigand, L.Weissman

Accelerator mass spectrometry measurement of the reaction ³⁵Cl (n, γ) ³⁶Cl at keV energies

NUCLEAR REACTIONS ³⁵Cl(n, γ), kT=2-100 keV; measured Maxwellian averaged σ(E) (MACS) using neutron activation combined with accelerator mass spectrometry (AMS) technique; deduced ³⁶Cl/³⁵Cl ratios for three neutron irradiated samples, MACS at kt=30 keV, and stellar abundances of ³⁵Cl, ³⁶Cl and ³⁶S. Neutron activations performed at the Karlsruhe Van de Graaff accelerator and at the superconducting linear accelerator of the Soreq Applied Research Accelerator Facility using the ⁷Li(p, n)⁷Be reaction. AMS measurements of the irradiated samples performed at the 3 MV Vienna Environmental Research Accelerator, the 6 MV tandem accelerator at the Dresden AMS facility, and the 14 UD tandem accelerator of the Australian National University in Canberra. Comparison with previous experimental values, NON-SMOKER and MOST theoretical calculations, compiled KADoNiS database, and evaluated libraries ENDF-B/VII.1, JEFF-3.2, JENDL-4.0 and TENDL-2015.

doi: 10.1103/PhysRevC.99.015801
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23468.

2019WA02      Phys.Rev. C 99, 015804 (2019)

A.Wallner, M.Bichler, L.Coquard, I.Dillmann, O.Forstner, R.Golser, M.Heil, F.Kappeler, W.Kutschera, C.Lederer-Woods, M.Martschini, A.Mengoni, S.Merchel, L.Michlmayr, A.Priller, P.Steier, M.Wiescher

Stellar and thermal neutron capture cross section of ⁹Be

NUCLEAR REACTIONS ⁹Be(n, γ), kT=thermal, 5-100 keV, [neutrons from ⁷Li(p, n), E=1912, 2284 keV]; measured Maxwellian averaged σ(E) (MACS) using neutron activation combined with accelerator mass spectrometry (AMS) technique; deduced ¹⁰Be/⁹Be ratio in irradiated sample; calculated astrophysical reaction rates for T₉=0.001 to 10 for s process nucleosynthesis calculations. Activation technique at Karlsruhe Van de Graaff accelerator, and TRIGA Mark-II reactor for thermal neutrons in combination with accelerator mass spectrometry at the Vienna Environmental Research Accelerator. Comparison with previous experimental values, compiled KADoNiS database, and evaluated libraries ENDF-B/VIII.1, JEFF-3.3, JENDL-4.0, BROND-3.1, and CENDL-3.1.

doi: 10.1103/PhysRevC.99.015804
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23467. Data from this article have been entered in the XUNDL database. For more information, click here.

2019WR02      Eur.Phys.J. A 55, 200 (2019)

T.Wright, S.Bennett, S.Heinitz, U.Koster, R.Mills, T.Soldner, P.Steier, A.Wallner, T.Wieninger

Measurement of the ¹³C(n, γ) thermal cross section via neutron irradiation and AMS

NUCLEAR REACTIONS ¹³C(n, γ), E=reactor[neutron beam from high-flux ILL research reactor to produce ¹⁴C atoms]; measured ¹⁴C/¹³C ratio using VERA Accelerator Mass Spectrometer allowing to determine ¹³C(n, γ)/¹⁴C thermal σ accurately at sub-eV region; deduced good agreement with other recent measurements using Prompt Gamma-ray Activation Analysis.

doi: 10.1140/epja/i2019-12893-0
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23538.

2018FE12      Phys.Rev.Lett. 121, 221103 (2018)

J.Feige, A.Wallner, R.Altmeyer, L.K.Fifield, R.Golser, S.Merchel, G.Rugel, P.Steier, S.G.Tims, S.R.Winkler

Limits on Supernova-Associated ⁶⁰Fe/²⁶Al Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements of Deep-Sea Sediments

ATOMIC MASSES ²⁶Al, ⁶⁰Fe; measured atom concentration in sediment; deduced isotope ratio. Comparison with nucleosynthesis models and the observed average galactic.

doi: 10.1103/PhysRevLett.121.221103
Citations: PlumX Metrics

2017WA27      Phys.Rev. C 96, 025808 (2017)

A.Wallner, K.Buczak, T.Belgya, M.Bichler, L.Coquard, I.Dillmann, R.Golser, F.Kappeler, A.Karakas, W.Kutschera, C.Lederer, A.Mengoni, M.Pignatari, A.Priller, R.Reifarth, P.Steier, L.Szentmiklosi

Precise measurement of the thermal and stellar ⁵⁴Fe (n, γ) cross sections via accelerator mass spectrometry

NUCLEAR REACTIONS ⁵⁴Fe(n, γ), E=cold to 100 keV; measured ⁵⁵Fe concentration using accelerator mass spectrometry (AMS) technique at the Vienna Environmental Research Accelerator (VERA) laboratory; deduced σ(E), Maxwellian-averaged cross sections (MACS) between 5-100 keV, ⁵⁵Fe/⁵⁶Fe ratios. Comparison with previous measurements, and with evaluated data libraries ENDF/B-VII.1, JENDL-4.0, and JEFF-3.2. Impact of the improved cross sections for neutron capture nucleosynthesis for the AGB stars.

doi: 10.1103/PhysRevC.96.025808
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23047.

2016WA09      Nature(London) 532, 69 (2016)

A.Wallner, J.Feige, N.Kinoshita, M.Paul, L.K.Fifield, R.Golser, M.Honda, U.Linnemann, H.Matsuzaki, S.Merchel, G.Rugel, S.G.Tims, P.Steier, T.Yamagata, S.R.Winkler

Recent near-Earth supernovae probed by global deposition of interstellar radioactive ⁶⁰Fe

ATOMIC MASSES ⁶⁰Fe; measured ⁶⁰Fe/Fe ratios using atomic mass spectroscopy; deduced the rate of supernovae in our local Galactic neighbourhood.

doi: 10.1038/nature17196
Citations: PlumX Metrics

2016WA11      Phys.Rev. C 93, 045803 (2016)

A.Wallner, M.Bichler, K.Buczak, I.Dillmann, F.Kappeler, A.Karakas, C.Lederer, M.Lugaro, K.Mair, A.Mengoni, G.Schatzel, P.Steier, H.P.Trautvetter

Accelerator mass spectrometry measurements of the ¹³C(n, γ)¹⁴C and ¹⁴N(n, p)¹⁴C cross sections

NUCLEAR REACTIONS ¹³C(n, γ), ¹⁴N(n, p), E=123, 182 keV, and at kT=25 keV neutrons from TRIGA reactor of Atominstitut-Vienna and from Van de Graaff accelerator of Karlsruhe Institute of Technology; measured σ(E) and Maxwellian averaged σ(kT=5-100 keV) using accelerator mass spectrometry (AMS) technique at Vienna Environmental Research Accelerator (VERA) facility. Comparison with previous experimental σ(E), KADONIS compiled data, and JEFF-3.2 evaluated library. Impact of the new stellar cross sections on the s process in low-mass AGB stars using stellar models.

doi: 10.1103/PhysRevC.93.045803
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23295.

2014RI01      Phys.Lett. B 732, 305 (2014)

K.Riisager, O.Forstner, M.J.G.Borge, J.A.Briz, M.Carmona-Gallardo, L.M.Fraile, H.O.U.Fynbo, T.Giles, A.Gottberg, A.Heinz, J.G.Johansen, B.Jonson, J.Kurcewicz, M.V.Lund, T.Nilsson, G.Nyman, E.Rapisarda, P.Steier, O.Tengblad, R.Thies, S.R.Winkler

¹¹Be(βp), a quasi-free neutron decay?

RADIOACTIVITY ¹¹Be(β^-p) [from U(p, X)¹¹Be, E=1.4 GeV]; measured decay products using AMS, Eγ, Iγ. ^9,10Be; deduced branching ratio, Gamow-Teller resonance strength. Comparison with R-matrix calculations.

doi: 10.1016/j.physletb.2014.03.062
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2014WA17      Phys.Rev.Lett. 112, 192501 (2014)

A.Wallner, T.Belgya, M.Bichler, K.Buczak, I.Dillmann, F.Kappeler, C.Lederer, A.Mengoni, F.Quinto, P.Steier, L.Szentmiklosi

Novel Method to Study Neutron Capture of ²³⁵U and ²³⁸U Simultaneously at keV Energies

NUCLEAR REACTIONS ²³⁵U, ²³⁸U(n, γ), E<426 keV; measured reaction products; deduced σ. Comparison with ENDF/B-VII.1, JENDL-4.0, CENDL-3.1, ROSFOND 2010, and JEFF-3.1.2 evaluated nuclear libraries.

doi: 10.1103/PhysRevLett.112.192501
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23170.

2013WA01      Nucl.Instrum.Methods Phys.Res. B294, 496 (2013)

A.Wallner, K.Melber, S.Merchel, U.Ott, O.Forstner, R.Golser, W.Kutschera, A.Priller, P.Steier

Stable platinum isotope measurements in presolar nanodiamonds by TEAMS

doi: 10.1016/j.nimb.2011.03.036
Citations: PlumX Metrics

2011DE03      Phys.Rev. C 83, 015801 (2011)

F.Dellinger, W.Kutschera, O.Forstner, R.Golser, A.Priller, P.Steier, A.Wallner, G.Winkler

Upper limits for the existence of long-lived isotopes of roentgenium in natural gold

ATOMIC MASSES ^{261,265,289,290,291,292,293,294,295,296}Rg; measured abundance in natural gold using accelerator mass spectrometry (AMS). No events observed for ²⁶¹Rg and ²⁶⁵Rg, not confirming a positive identification in another recent study. No events observed for ^{289,290,292,293,295,296}Rg. Two and nine events recorded apparently for ²⁹¹Rg and ²⁹⁴Rg, respectively could be explained otherwise, thus making positive identification for Rg unlikely. Upper limits established in the range of 10₁₆.

doi: 10.1103/PhysRevC.83.015801
Citations: PlumX Metrics

2011DE21      Phys.Rev. C 83, 065806 (2011)

F.Dellinger, O.Forstner, R.Golser, A.Priller, P.Steier, A.Wallner, G.Winkler, W.Kutschera

Ultrasensitive search for long-lived superheavy nuclides in the mass range A=288 to A=300 in natural Pt, Pb, and Bi

ATOMIC MASSES ^{288,289,290,291,292,293,294,295}Ds, ^{292,293,294,295,296,297,298,299}Fl, ^{293,294,295,296,297,298,299,300}Mc; measured abundance in natural platinum, lead, and bismuth samples using accelerator mass spectrometry (AMS) technique. Comparison with previous data. Ultrasensitive search for SHE in natural Pt, Pb and Bi samples proved negative with upper limits established.

doi: 10.1103/PhysRevC.83.065806
Citations: PlumX Metrics

2011WA35      J.Korean Phys.Soc. 59, 1410s (2011)

A.Wallner, K.Buczak, F.Quinto, P.Steier, T.Belgya, L.Szentmiklosi, M.Bichler, I.Dillmann, F.Kappeler, A.Mengoni

Neutron-capture Studies on ²³⁵U and ²³⁸U via AMS

doi: 10.3938/jkps.59.1410
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31719.

2010WA45      J.Phys.:Conf.Ser. 202, 012020 (2010)

A.Wallner, K.Buczak, T.Belgya, M.Bichler, L.Coquard, I.Dillmann, O.Forstner, R.Golser, F.Kappeler, W.Kutschera, C.Lederer, A.Mengoni, A.Priller, R.Reifarth, P.Steier, L.Szentmiklosi

Precise measurement of the neutron capture reaction ⁵⁴Fe(n, γ)⁵⁵Fe via AMS

NUCLEAR REACTIONS ⁵⁴Fe(n, γ), E=cold, thermal, 25 keV, 520 keV, 14 MeV; measured reaction products using activation and subsequent AMS (accelerator mass spectrometry); deduced σ. Compared with JEFF-3.1, ENDF-B-6.8, JENDL-3.3.

doi: 10.1088/1742-6596/202/1/012020
Citations: PlumX Metrics

2009DI04      Phys.Rev. C 79, 065805 (2009)

I.Dillmann, C.Domingo-Pardo, M.Heil, F.Kappeler, A.Wallner, O.Forstner, R.Golser, W.Kutschera, A.Priller, P.Steier, A.Mengoni, R.Gallino, M.Paul, C.Vockenhuber

Determination of the stellar (n, γ) cross section of ⁴⁰Ca with accelerator mass spectrometry

NUCLEAR REACTIONS ⁴⁰Ca(n, γ), E<106 keV; measured σ, σ(E) using activation technique and accelerator mass spectrometry; deduced Maxwellian averaged cross sections. Neutrons from ⁷Li(p, n)⁷Be reaction at E(p)=1912 keV. ¹⁹⁷Au(n, γ), E<106 keV; measured σ and used as a standard. Comparison with previous experimental data and theoretical predictions.

doi: 10.1103/PhysRevC.79.065805
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14238.

2008ST08      Nucl.Instrum.Methods Phys.Res. B266, 2246 (2008)

P.Steier, M.Bichler, L.K.Fifield, R.Golser, W.Kutschera, A.Priller, F.Quinto, S.Richter, M.Srncik, P.Terrasi, L.Wacker, A.Wallner, G.Wallner, K.M.Wilcken, E.M.Wild

Natural and anthropogenic ²³⁶U in environmental samples

doi: 10.1016/j.nimb.2008.03.002
Citations: PlumX Metrics

2008WA06      J.Phys.(London) G35, 014018 (2008)

A.Wallner, L.Coquard, I.Dillmann, O.Forstner, R.Golser, M.Heil, F.Kappeler, W.Kutschera, A.Mengoni, L.Michlmayr, A.Priller, P.Steier, M.Wiescher

Measurement of the stellar cross sections for the reactions ⁹Be(n, γ)¹⁰Be and ¹³C(n, γ)¹⁴C via AMS

NUCLEAR REACTIONS ⁹Be(n, γ), E= spectrum; ¹³C(n, γ), E=spectrum; measured capture cross sections using a combination of activation technique and AMS. Comparisons with existing data.

doi: 10.1088/0954-3899/35/1/014018
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22994.

2007WA15      Nucl.Instrum.Methods Phys.Res. B259, 677 (2007)

A.Wallner, M.Bichler, I.Dillmann, R.Golser, F.Kappeler, W.Kutschera, M.Paul, A.Priller, P.Steier, C.Vockenhuber

AMS measurements of ⁴¹Ca and ⁵⁵Fe at VERA - two radionuclides of astrophysical interest

doi: 10.1016/j.nimb.2007.01.207
Citations: PlumX Metrics

2006WA22      Eur.Phys.J. A 27, Supplement 1, 337 (2006)

A.Wallner, R.Golser, W.Kutschera, A.Priller, P.Steier, C.Vockenhuber

AMS - A powerful tool for probing nucleosynthesis via long-lived radionuclides

doi: 10.1140/epja/i2006-08-052-3
Citations: PlumX Metrics

2005FE11      Nucl.Instrum.Methods Phys.Res. B240, 495 (2005)

J.O.Fernandez-Niello, A.Priller, A.Arazi, D.Djokic, R.Golser, W.Kutschera, P.Steier, C.Vockenhuber, A.Wallner

A study of the tandem-terminal-stripper reaction ¹H(¹²C, γ)¹³N with accelerator mass spectrometry

NUCLEAR REACTIONS ¹H(¹²C, γ), E(cm)=206.8, 229.5 keV; measured yields. Accelerator mass spectrometry.

doi: 10.1016/j.nimb.2005.06.149
Citations: PlumX Metrics

2005VO17      Nucl.Phys. A758, 340c (2005)

C.Vockenhuber, R.Golser, W.Kutschera, A.Priller, P.Steier, A.Wallner, M.Bichler

¹⁸²Hf - from geophysics to astrophysics

RADIOACTIVITY ¹⁸²Hf(β^-); measured T_1/2. New accelerator mass spectrometry measurement discussed.

doi: 10.1016/j.nuclphysa.2005.05.062
Citations: PlumX Metrics

2004VO16      Phys.Rev.Lett. 93, 172501 (2004)

C.Vockenhuber, F.Oberli, M.Bichler, I.Ahmad, G.Quitte, M.Meier, A.N.Halliday, D.-C.Lee, W.Kutschera, P.Steier, R.J.Gehrke, R.G.Helmer

New Half-Life Measurement of ¹⁸²Hf: Improved Chronometer for the Early Solar System

RADIOACTIVITY ¹⁸²Hf(β^-); measured T_1/2. Neutron activation, isotope dilution, activity measurement. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.93.172501
Citations: PlumX Metrics

2003WA11      Eur.Phys.J. A 17, 285 (2003)

A.Wallner, S.V.Chuvaev, A.A.Filatenkov, Y.Ikeda, W.Kutschera, G.Mertens, A.Priller, W.Rochow, P.Steier, H.Vonach

Precise measurement of the ²⁷Al(n, 2n)^26gAl excitation function near threshold and its relevance for fusion-plasma technology

NUCLEAR REACTIONS ²⁷Al(n, 2n), E=13.5-19 MeV; measured excitation function, σ. Accelerator mass spectrometry, application as fusion-plasma temperature monitor discussed.

doi: 10.1140/epja/i2002-10152-3
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22864.

1998WA21      Nucl.Instrum.Methods Phys.Res. B139, 301 (1998)

A.Wallner, R.Golser, W.Kutschera, A.Priller, P.Steier, H.Vonach, E.Wild

²⁶Al Measurements with VERA

NUCLEAR REACTIONS ²⁷Al(n, 2n), (n, n), E=13.4-14.8 MeV; measured relative yields; deduced excitation function. Accelerator mass spectrometry.

doi: 10.1016/S0168-583X(97)00962-2
Citations: PlumX Metrics

1997PR09      Phys.Rev. C56, 1424 (1997)

A.Priller, P.Steier, A.Pavlik, B.Strohmaier, H.Vonach, A.Wallner, G.Winkler, M.B.Chadwick

Double-Differential Neutron Emission Cross Sections of 14-MeV Neutron Induced Reactions on Na and Pb

NUCLEAR REACTIONS ²³Na, Pb(n, n), (n, n'X), E=14 MeV; measured neutron tof spectra, σ(E, θ). Statistical model calculations.

doi: 10.1103/PhysRevC.56.1424
Citations: PlumX Metrics