Electroweak precision data and gravitino dark matter

Pramana

S Heinemeyer1¹ 

[1] Instituto de Fisica de Cantabria (CSIC-UC), Santander, Spain$$

关键词: Gravitino dark matter;    fit;    precision observables.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

Electroweak precision measurements can provide indirect information about the possible scale of supersymmetry already at the present level of accuracy. We review present day sensitivities of precision data in mSUGRA-type models with the gravitino as the lightest supersymmetric particle (LSP). The 𝜒2 fit is based on 𝑀𝑊, sin2 𝜃eff, (𝑔 - 2)𝜇 BR(𝑏 → 𝑠𝛾) and the lightest MSSM Higgs boson mass, 𝑀ℎ. We find indications for relatively light soft supersymmetry-breaking masses, offering good prospects for the LHC and the ILC, and in some cases also for the Tevatron.

【 授权许可】

Unknown