From the 1 of 3.1k papers with an AI index.
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- Universität HamburgDE1.2k papers
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53 papers · 2 filters
Spin Analysis of Supersymmetric Particles
S. Y. Choi, K. Hagiwara, H. -U. Martyn +2
The spin of supersymmetric particles can be determined at colliders unambiguously. This is demonstrated for a characteristic set of non-colored supersymmetric particles --…
Polarization in SUSY Cascade Decays
S. Y. Choi, K. Hagiwara, Y. G. Kim +2
leptons emitted in cascade decays of supersymmetric particles are polarized. The polarization may be exploited to determine spin and mixing properties of the neutralinos and st…
The Neutralino Sector in the U(1)-Extended Supersymmetric Standard Model
S. Y. Choi, H. E. Haber, J. Kalinowski +1
Motivated by grand unified theories and string theories we analyze the general structure of the neutralino sector in the USSM, an extension of the Minimal Supersymmetric Standard M…
Spontaneous Non-thermal Leptogenesis in High-scale Inflation Models
Motoi Endo, Fuminobu Takahashi, T. T. Yanagida
We argue that a non-thermal leptogenesis occurs spontaneously, without direct couplings of the inflaton with right-handed neutrinos, in a wide class of high-scale inflation models…
Two-Loop Renormalization in the Standard Model Part III: Renormalization Equations and their Solutions
S. Actis, G. Passarino
In part I and II of this series of papers all elements have been introduced to extend, to two loops, the set of renormalization procedures which are needed in describing the proper…
Two-Loop Renormalization in the Standard Model Part II: Renormalization Procedures and Computational Techniques
S. Actis, G. Passarino
In part I general aspects of the renormalization of a spontaneously broken gauge theory have been introduced. Here, in part II, two-loop renormalization is introduced and discussed…