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First Measurement of Transferred Polarization in the Exclusive e p --> e' K+ Lambda Reaction
CLAS Collaboration, D. S. Carman
The first measurements of the transferred polarization for the exclusive ep --> e'K+ Lambda reaction have been performed in Hall B at the Thomas Jefferson National Accelerator Faci…
Five-loop vacuum polarization in pQCD: O(m_q^2α_s^4 n_f^2) contribution
P. A. Baikov, K. G. Chetyrkin, J. H. Kühn
We present the analytical calculation of the contribution of order m_q^2 α_s^4 n_f^2 to the absorptive part of the vacuum polarization function of vector currents. This term consti…
Precision measurement of the hadronic cross-section through the radiative return method
German Rodrigo, Henryk Czyz, Johann H. Kuhn
Electron--positron annihilation into hadrons plus an energetic photon from initial-state radiation allows the hadronic cross-section to be measured over a wide range of energies at…
A study of the reaction pim p --> omega pim p at 18 GeV/c: The D and S decay amplitudes for b1(1235) --> omega pi
Mina Nozar
The reaction pim p --> omega pim p, omega --> pip pim pi0 has been studied at 18 GeV/c. The omega pim mass spectrum is found to be dominated by the b1(1235). Partial Wave Analysis…
Radiative Return at NLO: the PHOKHARA Monte Carlo generator
German Rodrigo, Henryk Czyz, Johann H. Kuhn
Electron--positron annihilation into hadrons plus an energetic photon from initial state radiation allows the hadronic cross-section to be measured over a wide range of energies at…