Contributions of qqqq q components to nucleon spin structure

Get Citation
WAN Meng, TIAN Wei-Zhao and CHEN Hong. Contributions of qqqq q components to nucleon spin structure[J]. Chinese Physics C, 2009, 33(S1): 18-20. doi: 10.1088/1674-1137/33/S1/006
WAN Meng, TIAN Wei-Zhao and CHEN Hong. Contributions of qqqq q components to nucleon spin structure[J]. Chinese Physics C, 2009, 33(S1): 18-20.  doi: 10.1088/1674-1137/33/S1/006 shu
Milestone
Received: 2008-10-22
Revised: 1900-01-01
Article Metric

Article Views(4239)
PDF Downloads(1215)
Cited by(0)
Policy on re-use
To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Email This Article

Title:
Email:

Contributions of qqqq q components to nucleon spin structure

    Corresponding author: WAN Meng,

Abstract: The spin structure of nucleons is presented in the framework of an extended quark model which in addition to the conventional qqq structure also takes into account qqqq q admixtures in the nucleon wave functions, where the qqqq q components are in colored quark cluster configurations. The axial vector weak coupling constant and spin distributions for polarized nucleons as well as spin content are obtained for the lowest positive parity qqqq q configurations in flavor-spin dependent interaction. In particular, the contributions of the down and strange quarks to the proton spin and the sum rule for polarized neutron are negative, in agreement with recent experiments.

    HTML

Reference (1)

目录

/

DownLoad:  Full-Size Img  PowerPoint
Return
Return