Improving the hadron physics of non-Standard-Model decays: example bounds on R-parity violation

被引：26
作者：
Daub, J. T. [1 ,2 ]
Dreiner, H. K. [1 ,3 ]
Hanhart, C. [4 ,5 ]
Kubis, B. [1 ,2 ]
Meissner, U. -G. [1 ,2 ,4 ,5 ]
机构：
[1] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany
[2] Univ Bonn, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany
[3] Univ Bonn, Inst Phys, D-53115 Bonn, Germany
[4] Forschungszentrum Julich, Inst Kernphys, Inst Adv Simulat, D-52425 Julich, Germany
[5] Forschungszentrum Julich, Julich Ctr Hadron Phys, D-52425 Julich, Germany
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 01期
关键词：
Chiral Lagrangians; Rare Decays; Beyond Standard Model; Supersymmetric Standard Model; PION FORM-FACTOR; AMPLITUDE ANALYSIS; SUPERSYMMETRY; LEPTON; TAU; SUPERGRAVITY; PI(+)PI(-)); COUPLINGS; EQUATION; SYMMETRY;
D O I：
10.1007/JHEP01(2013)179
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：
Using the example of selected decays driven by R-parity-violating supersymmetric operators, we demonstrate how strong final-state interactions can be controlled quantitatively with high precision, thus allowing for a more accurate extraction of effective parameters from data. In our examples we focus on the lepton-flavor-violating decays tau -> mu pi(+)pi(-). In R-parity violation these can arise due to the product of two couplings. We find bounds that are an order of magnitude stronger than previous ones.
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页数：18
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