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High Energy Physics - Phenomenology

arXiv:hep-ph/0401092 (hep-ph)
[Submitted on 13 Jan 2004 (v1) , last revised 25 May 2004 (this version, v2)]

Title: Complete one--loop corrections to e+e- -> sf_i sf_j

Title: e+e- -> sf_i sf_j 的一环修正

Authors:K. Kovarik, C. Weber, H. Eberl, W. Majerotto
Abstract: We have calculated the complete one-loop corrections to the sfermion pair production process e+e- -> sf_i sf_j (f = t, b, tau, tau-neutrino) in the Minimal Supersymmetric Standard Model. Our results also include the previously calculated SUSY-QCD corrections. We present the details of the renormalization scheme used. It is found that the weak corrections are of the same magnitude as the SUSY-QCD corrections at higher energies (sqrt(s) ~ 1TeV). At these energies the main part of the weak corrections stems from the box contribution. This is best seen in sneutrino production.
Abstract: 我们计算了在最小超对称标准模型中,sfermion 对产生过程 e+e- -> sf_i sf_j (f = t, b, tau, tau-中微子) 的完整一环修正。 我们的结果还包括之前计算的 SUSY-QCD 修正。 我们介绍了所使用的重整化方案的细节。 发现在较高能量(sqrt(s) ~ 1TeV)下,弱相互作用修正的量级与 SUSY-QCD 修正相当。 在这些能量下,弱相互作用修正的主要部分来自于框图贡献。 这在 sneutrino 产生过程中最为明显。
Comments: 15 pages, 7 figures, shortened version for publication
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0401092
  (or arXiv:hep-ph/0401092v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0401092
arXiv-issued DOI via DataCite
Journal reference: HEPHY-PUB 784/04
Related DOI: https://doi.org/10.1016/j.physletb.2004.04.036
DOI(s) linking to related resources

Submission history

From: Karol Kovarik [view email]
[v1] Tue, 13 Jan 2004 15:01:45 UTC (290 KB)
[v2] Tue, 25 May 2004 12:25:09 UTC (290 KB)
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