BK from the lattice with Wilson quarks

被引:11
作者
Becirevic, D
Boucaud, P
Giménez, V
Lubicz, V
Papinutto, M
机构
[1] Univ Paris 11, Ctr Orsay, Phys Theor Lab, F-91405 Orsay, France
[2] Univ Valencia, Dept Fis Teor, E-46100 Valencia, Spain
[3] Univ Valencia, IFIC, E-46100 Valencia, Spain
[4] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy
[5] Ist Nazl Fis Nucl, Sez Roma 3, I-00146 Rome, Italy
[6] NIC DESY Zeuthen, D-15738 Zeuthen, Germany
来源
EUROPEAN PHYSICAL JOURNAL C | 2004年 / 37卷 / 03期
关键词
D O I
10.1140/epjc/s2004-02001-6
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We report our results for the bag parameter B-K obtained from the quenched simulations on the lattice with Wilson fermions for three values of the lattice spacing. We implemented the method by which no subtraction of the mixing with other four-fermion DeltaS = 2 operators is needed. Our final result, in terms of the renormalization group invariant bag parameter, is (B) over cap (K) = 0.96 +/- 0.10.
引用
收藏
页码:315 / 321
页数:7
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