Test article AH

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Ah receptor signaling pathways.

The aryl hydrocarbon (Ah) receptor has occupied the attention of toxicologists for over two decades. Interest arose from the early observation that this soluble protein played key roles in the adaptive metabolic response to polycyclic aromatic hydrocarbons and in the toxic mechanism of halogenated dioxins and dibenzofurans. More recent investigations have provided a fairly clear picture of the ...

Testing Supersymmetry in Ah ± Associated

In the Minimal Supersymmetric Standard Model, the masses of the charged Higgs boson (H) and the CP-odd scalar (A) are related by M H+ = M A + m W at the Born level. Because the coupling of W-A-H is fixed by gauge interaction, the Born level production rate of qq̄ → W → AH depends only on one supersymmetry parameter – the mass (M A ) of A. We illustrate how to test the mass relation between A and...

Invited article: Electric solar wind sail: toward test missions.

The electric solar wind sail (E-sail) is a space propulsion concept that uses the natural solar wind dynamic pressure for producing spacecraft thrust. In its baseline form, the E-sail consists of a number of long, thin, conducting, and centrifugally stretched tethers, which are kept in a high positive potential by an onboard electron gun. The concept gains its efficiency from the fact that the ...