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裂变路径对断点前粒子发射的影响 被引量:1
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作者 叶巍 沈文庆 +6 位作者 冯军 马余刚 王建松 蔡翔舟 吴锡真 冯仁发 陆中道 《高能物理与核物理》 CSCD 北大核心 1998年第7期639-645,共7页
用扩散模型研究了裂变系统从鞍点到断点的时间演化,以及在此间的粒子发射与鞍点前粒子发射的比随着裂变系统质量的变化,解释了实验上发现的断点前粒子多重性随裂变碎片质量不对称性的变化趋势,结果表明上述两种变化趋势都可以归因于... 用扩散模型研究了裂变系统从鞍点到断点的时间演化,以及在此间的粒子发射与鞍点前粒子发射的比随着裂变系统质量的变化,解释了实验上发现的断点前粒子多重性随裂变碎片质量不对称性的变化趋势,结果表明上述两种变化趋势都可以归因于裂变演化路程长短的影响。 展开更多
关键词 粒子多重性 裂变碎片 质量不对称性 裂变路径
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Soliton Fission and Fusion in (2+l)-Dimensional Boiti-Leon-Pempinelli System
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作者 ZHENGChun-Long FANGJian-Ping CHENLi-Qun 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第4期681-686,共6页
By means of a special Painleve—Baecklund transformation and a multilinearvariable separation approach, an exact solution with arbitrary functions of the (2+1)-dimensionalBoiti-Leon-Pempinelli system (BLP) is derived.... By means of a special Painleve—Baecklund transformation and a multilinearvariable separation approach, an exact solution with arbitrary functions of the (2+1)-dimensionalBoiti-Leon-Pempinelli system (BLP) is derived. Based on the derived variable separation solution, weobtain some special soliton fission and fusion solutions for the higher dimensional BLP system. 展开更多
关键词 variable separation approach BLP system soliton fission soliton fusion
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Notes on Multi-linear Variable Separation Approach
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作者 SHENShou-Feng ZHANGJun PANZu-Liang 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第4期582-584,共3页
The multi-linear variable separation approach method is very useful to solve (2+1)-dimensional integrable systems. In this letter, we extend this method to solve (1+1)-dimensional Boiti system, (2+1)-dimensional Burge... The multi-linear variable separation approach method is very useful to solve (2+1)-dimensional integrable systems. In this letter, we extend this method to solve (1+1)-dimensional Boiti system, (2+1)-dimensional Burgers system, (2+1)-dimensional breaking soliton system, and (2+1)-dimensional Maccari system. Some new exact solutions are obtained and the universal formula obtained from many (2+1)-dimensional systems is extended or modified. 展开更多
关键词 variable separation approach (1+1)-dimensional Boiti system (2+1)-dimensional Burgers system (2+1)-dimensional breaking soliton system (2+1) -dimensional Maccari system
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