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A scenario for stabilization of axionic moduli fields in the context of typeIIB Calabi-Yau flux compactifications is discussed in detail. We consider thecase of a Calabi-Yau orientifold with h^{1,1}_- \neq 0 which allows for thepresence of B_2 and C_2-moduli. In an attempt to generalize the KKLT and theLarge Volume Scenario, we show that these axions can also be stabilized - somealready at tree level, and others when we include perturbative\alpha'-corrections to the Kaehler potential K and nonperturbative D3-instantoncontributions to the superpotential W. At last, we comment on the possibleinfluence of worldsheet instantons on the process of moduli stabilization.

Axion Stabilization in Type IIB Flux Compactifications