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nucl-ex2001★ 33 cited

Backward spin polarizability of the proton

M. Camen, K. Kossert, F. Wissmann +21

Using the Mainz NaI(Tl) detector and the segmented Göttingen recoil detector SENECA in coincidence, Compton scattering by the proton at …

cond-mat.soft2001★ 33 cited

Deviations from the mean field predictions for the phase behaviour of random copolymers melts

J. Houdayer, M. Mueller

We investigate the phase behaviour of random copolymers melts via large scale Monte Carlo simulations. We observe macrophase separation into A and B--rich phases as predicted by me…

nucl-ex2001★ 46 cited

Measurement of the beam-helicity asymmetry in the p(e_pol,e'p)pi_0 reaction at the energy of the Delta(1232) resonance

P. Bartsch, D. Baumann, J. Bermuth +32

In a p(e_pol,e'p)pi_0 out-of-plane coincidence experiment at the 3-spectrometer setup of the Mainz Microtron MAMI, the beam-helicity asymmetry has been precisely measured around th…

hep-ph2001

Λ_b Lifetime from the HQET Sum Rule

Chao-Shang Huang, Chun Liu, Shi-Lin Zhu

The HQET sum rule analysis for the Λ_b matrix element of the four-quark operator relevant to its lifetime is reported. Our main conclusion is that the lifetime ratio τ(Λ_b)/τ(B^0)…

hep-th2001★ 98 cited

Towards Nonperturbative Renormalizability of Quantum Einstein Gravity

O. Lauscher, M. Reuter

We summarize recent evidence supporting the conjecture that four-dimensional Quantum Einstein Gravity (QEG) is nonperturbatively renormalizable along the lines of Weinberg's asympt…

math.OA2001★ 7 cited

Spectral invariance for certain algebras of pseudodifferential operators

Robert Lauter, Bertrand Monthubert, Victor Nistor

We construct algebras of pseudodifferential operators on a continuous family groupoid G that are closed under holomorphic functional calculus, contain the algebra of all pseudodiff…