The innermost ejecta of core collapse supernovae

C. Fröhlich; P. Hauser; M. Liebendörfer; G. Martínez-Pinedo; E. Bravo; W. R. Hix; N. T. Zinner; F. K. Thielemann

doi:10.1016/j.nuclphysa.2005.05.009

The innermost ejecta of core collapse supernovae

C. Fröhlich, P. Hauser, M. Liebendörfer, G. Martínez-Pinedo, E. Bravo, W. R. Hix, N. T. Zinner, F. K. Thielemann

Theoretical and Computational Physics

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9 Scopus citations

Abstract

We ensure successful explosions (of otherwise non-explosive models) by enhancing the neutrino luminosity via reducing the neutrino scattering cross sections or by increasing the heating efficiency via enhancing the neutrino absorption cross sections in the heating region. Our investigations show that the resulting electron fraction Y_e in the innermost ejecta is close to 0.5, in some areas even exceeding 0.5. We present the effects of the resulting values for Y_e on the nucleosynthesis yields of the innermost zones of core collapse Supernovae.

Original language	English
Pages (from-to)	27-30
Number of pages	4
Journal	Nuclear Physics A
Volume	758
Issue number	1-4 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nuclphysa.2005.05.009
State	Published - Jul 25 2005

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T1 - The innermost ejecta of core collapse supernovae

AU - Fröhlich, C.

AU - Hauser, P.

AU - Liebendörfer, M.

AU - Martínez-Pinedo, G.

AU - Bravo, E.

AU - Hix, W. R.

AU - Zinner, N. T.

AU - Thielemann, F. K.

PY - 2005/7/25

Y1 - 2005/7/25

N2 - We ensure successful explosions (of otherwise non-explosive models) by enhancing the neutrino luminosity via reducing the neutrino scattering cross sections or by increasing the heating efficiency via enhancing the neutrino absorption cross sections in the heating region. Our investigations show that the resulting electron fraction Ye in the innermost ejecta is close to 0.5, in some areas even exceeding 0.5. We present the effects of the resulting values for Ye on the nucleosynthesis yields of the innermost zones of core collapse Supernovae.

AB - We ensure successful explosions (of otherwise non-explosive models) by enhancing the neutrino luminosity via reducing the neutrino scattering cross sections or by increasing the heating efficiency via enhancing the neutrino absorption cross sections in the heating region. Our investigations show that the resulting electron fraction Ye in the innermost ejecta is close to 0.5, in some areas even exceeding 0.5. We present the effects of the resulting values for Ye on the nucleosynthesis yields of the innermost zones of core collapse Supernovae.

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U2 - 10.1016/j.nuclphysa.2005.05.009

DO - 10.1016/j.nuclphysa.2005.05.009

M3 - Article

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VL - 758

SP - 27

EP - 30

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-4 SPEC. ISS.

ER -

The innermost ejecta of core collapse supernovae

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