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Dive into the research topics where E. Stech is active.

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Featured researches published by E. Stech.


CAPTURE GAMMA‐RAY SPECTROSCOPY AND RELATED TOPICS: Proceedings of the 13th#N#International Symposium on Capture Gamma‐Ray Spectroscopy and Related Topics | 2009

The reactions 25Mg(a,n)28Si, 26Mg(a,n)29Si and their possible impact on nucleosynthesis

S. Falahat; M. Couder; J. Görres; K.-L. Kratz; S. O’Brien; U. Ott; M. Pignatari; E. Stech; M. Wiescher

At the time neon burning is activated in massive stars, large amounts of 25Mg and 26Mg have been accumulated from the previous evolutionary phases. In particular, at typical temperatures for neon shell burning, the reactions 25Mg(α,n)28Si and 26Mg(α,n)29Si become efficient providing additional neutron fluxes and affecting the nucleosynthesis distribution. Good knowledge of the reaction rates is required to study their effect on nucleosynthesis during neon shell burning conditions (T9≳1.5, where T9 is the temperature in gigakelvin). At the Nuclear Science Laboratory, University of Notre Dame, IN, USA we developed a neutron detector to investigate the 25Mg(α,n)28Si and 26Mg(α,n)29Si reactions as possible neutron sources during neon shell burning. In the present paper we briefly describe the experimental procedures developed to measure those reactions. Finally, we discuss the impact of 25Mg(α,n)28Si and 26Mg(α,n)29Si on the s‐process nucleosynthesis for the barium isotopes.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2008

Design of the recoil mass separator St. George

M. Couder; G.P.A. Berg; J. Görres; P.J. LeBlanc; L.O. Lamm; E. Stech; M. Wiescher; J. Hinnefeld


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2012

HIPPO: A supersonic helium jet gas target for nuclear astrophysics

A. Kontos; Daniel Schürmann; Charles Akers; M. Couder; J. Görres; D. Robertson; E. Stech; R. Talwar; M. Wiescher


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2013

SuN: Summing NaI(Tl) gamma-ray detector for capture reaction measurements

A. Simon; S. J. Quinn; A. Spyrou; A. Battaglia; I. Beskin; A. Best; B. Bucher; M. Couder; Paul DeYoung; Xiao Fang; J. Görres; A. Kontos; Q. Li; S. N. Liddick; A. Long; S. Lyons; K. Padmanabhan; J. Peace; A. Roberts; D. Robertson; K. Smith; M.K. Smith; E. Stech; B. Stefanek; Wanpeng Tan; X.D. Tang; M. Wiescher


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2013

A 3He neutron detector for the measurement of (α,n) reactions

S. Falahat; A. Best; M. Couder; J. Görres; K.-L. Kratz; U. Ott; E. Stech; M. Wiescher


Physical Review C | 2017

Experimental measurement of C 12 + O 16 fusion at stellar energies

X. Fang; W. Tan; M. Beard; R. deBoer; G. Gilardy; Hildegard Susana Jung; Q. Liu; S. Lyons; D. Robertson; K. Setoodehnia; C. Seymour; E. Stech; B. Vande Kolk; M. Wiescher; R. T. deSouza; S. Hudan; V. Singh; X. D. Tang; E. Uberseder


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2014

First application of the γ-summing technique in inverse kinematics

S. J. Quinn; A. Spyrou; A. Simon; A. Battaglia; M. Bowers; B. Bucher; C. Casarella; M. Couder; Paul DeYoung; A.C. Dombos; J. P. Greene; J. Görres; A. Kontos; Q. Li; A. Long; M. Moran; N. Paul; J. Pereira; D. Robertson; K. Smith; M.K. Smith; E. Stech; R. Talwar; W. Tan; M. Wiescher


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2014

First application of the technique in inverse kinematics

S. J. Quinn; A. Spyrou; A. Simon; A. Battaglia; M. Bowers; B. Bucher; C. Casarella; M. Couder; Paul DeYoung; A.C. Dombos; J. P. Greene; J. Görres; A. Kontos; Q. Li; A. Long; M. Moran; N. Paul; J. Pereira; D. Robertson; K. Smith; M.K. Smith; E. Stech; R. Talwar; W. Tan; M. Wiescher


Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 2008

Design of the Notre Dame recoil separator

M. Couder; G.P.A. Berg; J. Görres; P.J. LeBlanc; L.O. Lamm; E. Stech; M. Wiescher; J. Hinnefeld


Nuclear Physics | 2005

The reaction rate for the destruction of fluorine in AGB stars

Claudio Ugalde; R. E. Azuma; A. Couture; J. Görres; M. Heil; K. Scheller; E. Stech; Wanpeng Tan; M. Wiescher

Collaboration


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M. Wiescher

University of Notre Dame

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M. Couder

Joint Institute for Nuclear Astrophysics

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J. Görres

University of Notre Dame

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A. Kontos

Joint Institute for Nuclear Astrophysics

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A. Long

Joint Institute for Nuclear Astrophysics

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R. deBoer

Joint Institute for Nuclear Astrophysics

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S. Lyons

University of Notre Dame

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Wanpeng Tan

University of Notre Dame

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C. Seymour

Joint Institute for Nuclear Astrophysics

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D. Robertson

Joint Institute for Nuclear Astrophysics

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