Numerical Solution of Altarelli-Parisi Equations
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概要
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We discuss numerical solution of Altarelli-Parisi equations in a Laguerre-polynomial method and in a brute-force method. In the Laguerre method, we get good accuracy by taking about twenty Laguerre polynomials in the flavor-nonsinglet case. Excellent evolution results are obtained in the singlet case by taking only ten Laguerre polynomials. The accuracy becomes slightly worse in the small and large x regions, especially in the nonsinglet case. These problems could be implemented by using the brute-force method; however, running CPU time could be significantly longer than the one in the Laguerre method.
- 理論物理学刊行会の論文
- 1995-11-06
著者
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熊野 俊三
佐大理工
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熊野 俊三
佐賀大学工学系研究科
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KOBAYASHI Ryoko
Department of Physics, Saga University
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KONUMA Masanori
Department of Physics, Saga University
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KUMANO Shunzo
Department of Physics, Saga University
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MIYAMA Masanori
Department of Physics, Saga University
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Kobayashi Ryoko
Department Of Agricultural Chemistry Faculty Of Agriculture Tohoku University:novo Industri Japan Lt
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Kobayashi Ryoko
Department Of Physics Saga University
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Konuma Masanori
Department Of Physics Saga University
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Miyama Masanori
Department Of Physics Saga University
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