نتایج جستجو برای: astrophysics

تعداد نتایج: 7512  

Journal: :International Astronomical Union Colloquium 1990

Journal: :Journal of Modern Physics 2017

Journal: :Physica Scripta 2021

Abstract The ‘Facility for Antiproton and Ion Research’ (FAIR), an international accelerator centre, is under construction in Darmstadt, Germany. FAIR will provide high-intensity primary beams of protons heavy-ions, intense secondary antiprotons rare short-lived isotopes. These beams, together with a variety modern experimental setups, allow to perform unique research program on nuclear astroph...

1998
P. N. Best S. A. Eales M. S. Longair S. Rawlings H. J. A. Röttgering

P. N. Best, S. A. Eales, M. S. Longair, S. Rawlings and H. J. A. Röttgering 1 Sterrewacht Leiden, Postbus 9513, 2300 RA Leiden, The Netherlands 2 Department of Physics and Astrophysics, University of Wales Cardiff, P.O.Box 913, Cardiff, CF2 3YB, United Kingdom 3 Cavendish Astrophysics, Madingley Road, Cambridge, CB3 0HE, United Kingdom 4 Department of Astrophysics, University of Oxford, Keble R...

2009
Matthew K. Browning

Lucianne M. Walkowicz, Department of Astronomy, University of California Berkeley Andrew A. West, MIT Kavli Institute for Astrophysics and Space Research Gibor Basri, Department of Astronomy, University of California Berkeley Matthew K. Browning, Canadian Institute for Theoretical Astrophysics Adam F. Kowalski, Department of Astronomy, University of Washington Eric Hilton, Department of Astrono...

2003
S. T. Ng

Many recent discoveries in astrophysics involve phenomena that are highly complex. Carefully designed experiments, together with sophisticated computer simulations , are required to gain insights into the underlying physics. We show that particle accelerators are unique tools in this area of research, by providing precision calibration data and by creating extreme experimental conditions releva...

2010
Sakir Kocabas

In this paper we describe ASTRA, a computational aid for generating process explanations in nuclear astrophysics. The system operates in two stages, the rst using knowledge of quantum theory to produce a set of legal reactions among elements and the second searching for pathways of such reactions that explain the evolution of some element in terms of lighter ones. ASTRA has found apparently nov...

2009
Ya-Wen Tang Paul T. P. Ho Patrick M. Koch Josep M. Girart Shih-Ping Lai

Evolution of Magnetic Fields in High Mass Star Formation: Linking field geometry and collapse for the W51 e2/e8 cores Ya-Wen Tang Department of Physics, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan & Academia Sinica Institute of Astronomy and Astrophysics, P. B. Box 23-141, Taipei 10617,Taiwan Paul T. P. Ho Academia Sinica Institute of Astronomy and Astrophysi...

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