Search for a Standard Model Higgs Boson in the H -> ZZ -> l(+)l(-)v(v)over-bar Decay Channel with the ATLAS Detector by Aad, G, Abbott, B, Abdallah, J, Abdelalim, A, Abdesselam, A, Abdinov, O, Abi, B, Abolins, M, Abramowicz, H, Abreu, H, Acerbi, E, Acharya, B, Adams, D, Addy, N, Adelman, J, Aderholz, M, Adomeit, S, Adragna, P, Adye, T, Aefsky, S, Aguilar-Saavedra, J, Aharrouche, M, Ahlen, S, Ahles, F, Ahmad, A

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in root s=7 TeV proton-proton collisions with the ATLAS experiment by Aad, G, Abbott, B, Abdallah, J, Abdelalim, A, Abdesselam, A, Abdinov, O, Abi, B, Abolins, M, Abramowicz, H, Abreu, H, Acerbi, E, Acharya, B, Adams, D, Addy, N, Adelman, J, Aderholz, M, Adomeit, S, Adragna, P, Adye, T, Aefsky, S, Aguilar-Saavedra, J, Aharrouche, M, Ahlen, S, Ahles, F, Ahmad, A

Combined performance tests before installation of the ATLAS semiconductor and transition radiation tracking detectors by Abat, E, Abdesselam, A, Addy, N, Kesson, A, Allport, P, Andricek, L, Anghinolfi, F, Apsimon, R, Arik, E, Arik, M, Austin, N, Baker, K, Banas, E, Bangert, A, Barbier, G, Baron, S, Barr, J, Basiladze, S, Batchelor, E, Bates, L, Batley, R, Battistin, M, Beck, A, Beddall, A, Beddall, J