Search Results - "Bernreuther, W."

Unraveling models of CP violation through electric dipole moments of light nuclei by Dekens, W., de Vries, J., Bsaisou, J., Bernreuther, W., Hanhart, C., Meißner, Ulf-G., Nogga, A., Wirzba, A.

“…A bstract We show that the proposed measurements of the electric dipole moments of light nuclei in storage rings would put strong constraints on models of…”
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Top quark pair production and decay at hadron colliders by Bernreuther, W., Brandenburg, A., Si, Z.G., Uwer, P.

“…In ongoing and upcoming hadron collider experiments, top quark physics will play an important role in testing the Standard Model and its possible extensions…”
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How to Reach a Thousand-Second in-Plane Polarization Lifetime with 0.97-GeV/c Deuterons in a Storage Ring by Guidoboni, G, Stephenson, E, Andrianov, S, Augustyniak, W, Bagdasarian, Z, Bai, M, Baylac, M, Bernreuther, W, Bertelli, S, Berz, M, Böker, J, Böhme, C, Bsaisou, J, Chekmenev, S, Chiladze, D, Ciullo, G, Contalbrigo, M, de Conto, J-M, Dymov, S, Engels, R, Esser, F M, Eversmann, D, Felden, O, Gaisser, M, Gebel, R, Glückler, H, Goldenbaum, F, Grigoryev, K, Grzonka, D, Hahnraths, T, Heberling, D, Hejny, V, Hempelmann, N, Hetzel, J, Hinder, F, Hipple, R, Hölscher, D, Ivanov, A, Kacharava, A, Kamerdzhiev, V, Kamys, B, Keshelashvili, I, Khoukaz, A, Koop, I, Krause, H-J, Krewald, S, Kulikov, A, Lehrach, A, Lenisa, P, Lomidze, N, Lorentz, B, Maanen, P, Macharashvili, G, Magiera, A, Maier, R, Makino, K, Mariański, B, Mchedlishvili, D, Meißner, Ulf-G, Mey, S, Morse, W, Müller, F, Nass, A, Natour, G, Nikolaev, N, Nioradze, M, Nowakowski, K, Orlov, Y, Pesce, A, Prasuhn, D, Pretz, J, Rathmann, F, Ritman, J, Rosenthal, M, Rudy, Z, Saleev, A, Sefzick, T, Semertzidis, Y, Senichev, Y, Shmakova, V, Silenko, A, Simon, M, Slim, J, Soltner, H, Stahl, A, Stassen, R, Statera, M, Stockhorst, H, Straatmann, H, Ströher, H, Tabidze, M, Talman, R, Thörngren Engblom, P, Trinkel, F, Trzciński, A, Uzikov, Yu, Valdau, Yu, Valetov, E, Vassiliev, A, Weidemann, C

“…We observe a deuteron beam polarization lifetime near 1000 s in the horizontal plane of a magnetic storage ring (COSY). This long spin coherence time is…”
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New Method for a Continuous Determination of the Spin Tune in Storage Rings and Implications for Precision Experiments by Eversmann, D, Hejny, V, Hinder, F, Kacharava, A, Pretz, J, Rathmann, F, Rosenthal, M, Trinkel, F, Andrianov, S, Augustyniak, W, Bagdasarian, Z, Bai, M, Bernreuther, W, Bertelli, S, Berz, M, Bsaisou, J, Chekmenev, S, Chiladze, D, Ciullo, G, Contalbrigo, M, de Vries, J, Dymov, S, Engels, R, Esser, F M, Felden, O, Gaisser, M, Gebel, R, Glückler, H, Goldenbaum, F, Grigoryev, K, Grzonka, D, Guidoboni, G, Hanhart, C, Heberling, D, Hempelmann, N, Hetzel, J, Hipple, R, Hölscher, D, Ivanov, A, Kamerdzhiev, V, Kamys, B, Keshelashvili, I, Khoukaz, A, Koop, I, Krause, H-J, Krewald, S, Kulikov, A, Lehrach, A, Lenisa, P, Lomidze, N, Lorentz, B, Maanen, P, Macharashvili, G, Magiera, A, Maier, R, Makino, K, Mariański, B, Mchedlishvili, D, Meißner, Ulf-G, Mey, S, Nass, A, Natour, G, Nikolaev, N, Nioradze, M, Nogga, A, Nowakowski, K, Pesce, A, Prasuhn, D, Ritman, J, Rudy, Z, Saleev, A, Semertzidis, Y, Senichev, Y, Shmakova, V, Silenko, A, Slim, J, Soltner, H, Stahl, A, Stassen, R, Statera, M, Stephenson, E, Stockhorst, H, Straatmann, H, Ströher, H, Tabidze, M, Talman, R, Thörngren Engblom, P, Trzciński, A, Uzikov, Yu, Valdau, Yu, Valetov, E, Vassiliev, A, Weidemann, C, Wilkin, C, Wirzba, A, Wrońska, A, Wüstner, P, Zakrzewska, M, Zuprański, P, Zyuzin, D

“…A new method to determine the spin tune is described and tested. In an ideal planar magnetic ring, the spin tune-defined as the number of spin precessions per…”
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Two-loop QCD corrections to the heavy quark form factors: the vector contributions by Bernreuther, W., Bonciani, R., Gehrmann, T., Heinesch, R., Leineweber, T., Mastrolia, P., Remiddi, E.

“…We present closed analytic expressions of the electromagnetic vertex form factors for heavy quarks at the two-loop level in QCD for arbitrary momentum…”
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Decays of polarized top quarks to lepton, neutrino, and jets at NLO QCD by Bernreuther, W., González, P., Mellein, C.

“…We compute the differential and total rate of the semileptonic decay of polarized top quarks t → ℓ ν ℓ + b jet + jet at next-to-leading order (NLO) in the QCD…”
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CP-violating top quark couplings at future linear e+e- colliders by Bernreuther, W., Chen, L., García, I., Perelló, M., Poeschl, R., Richard, F., Ros, E., Vos, M.

“…We study the potential of future lepton colliders to probe violation of the CP symmetry in the top quark sector. In certain extensions of the Standard Model,…”
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Unraveling models of CP violation through electric dipole moments of light nuclei by Dekens, W., de Vries, J., Bsaisou, J., Bernreuther, W., Hanhart, C., Meißner, Ulf-G., Nogga, A., Wirzba, A.

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CP-violating top quark couplings at future linear $$e^+e^-$$ e + e - colliders by Bernreuther, W., Chen, L., García, I., Perelló, M., Poeschl, R., Richard, F., Ros, E., Vos, M.

“…Abstract We study the potential of future lepton colliders to probe violation of the CP symmetry in the top quark sector. In certain extensions of the Standard…”
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Two-loop QCD corrections to the heavy quark form factors: Anomaly contributions by Bernreuther, W., Bonciani, R., Gehrmann, T., Heinesch, R., Leineweber, T., Remiddi, E.

“…We present closed analytic expressions for the order α s 2 triangle diagram contributions to the matrix elements of the singlet and non-singlet axial vector…”
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Two-loop QCD corrections to the heavy quark form factors: Axial vector contributions by Bernreuther, W., Bonciani, R., Gehrmann, T., Heinesch, R., Leineweber, T., Mastrolia, P., Remiddi, E.

“…We consider the Z ∗ Q Q ¯ vertex to order α S 2 in the QCD coupling for an on-shell massive quark–antiquark pair and for arbitrary momentum transfer of the Z…”
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Mixed QCD and weak corrections to top quark pair production at hadron colliders by Bernreuther, W., Fücker, M., Si, Z.G.

“…The order αs2α mixed QCD and weak corrections to top quark pair production by quark–antiquark annihilation are computed, keeping the full dependence on the t…”
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Top-quark spin correlations at hadron colliders: predictions at next-to-leading order QCD by Bernreuther, W, Brandenburg, A, Si, Z G, Uwer, P

“…The collider experiments at the Tevatron and the LHC will allow for detailed investigations of the properties of the top quark. This requires precise…”
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QCD corrections to static heavy-quark form factors by BERNREUTHER, W, BONCIANI, R, GEHRMANN, T, HEINESCH, R, LEINEWEBER, T, MASTROLIA, P, REMIDDI, E

“…Interactions of heavy quarks, in particular, of top quarks, with electroweak gauge bosons are expected to be very sensitive to new physics effects related to…”
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Two-parton contribution to the heavy-quark forward–backward asymmetry in NNLO QCD by Bernreuther, W., Bonciani, R., Gehrmann, T., Heinesch, R., Leineweber, T., Mastrolia, P., Remiddi, E.

“…Forward–backward asymmetries, A FB Q , are important observables for the determination of the neutral-current couplings of heavy quarks in inclusive heavy…”
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The electric dipole moment of the electron by BERNREUTHER, W

“…Recent experimental progress in the search for atomic electric dipole moments (EDMs) {ital d}{sub {ital A}} of cesium and thallium leads in particular to a…”
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Next-to-Leading Order QCD Corrections to Three-Jet Cross Sections with Massive Quarks by Bernreuther, Werner, Brandenburg, Arnd, Uwer, Peter

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Flavour dynamics with general scalar fields by Bernreuther, W., Nachtmann, O.

“…We consider a spontaneously broken gauge theory based on the standard model (SM) group \(G = SU(2)\times U(1)\) with scalar fields that carry arbitrary…”
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CP-violating correlations in electron-positron annihilation into tau leptons by Bernreuther, W, Nachtmann, O

“…An analysis of {ital CP}-violating effects in {ital e}{sup +}{ital e}{sup {minus}}{r arrow}{tau}{sup +}{tau}{sup {minus}} is outlined. Some tensor observables…”
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CP-violating top quark couplings at future linear [Formula omitted] colliders by Bernreuther, W, Chen, L, García, I, Perelló, M, Poeschl, R, Richard, F, Ros, E

“…We study the potential of future lepton colliders to probe violation of the CP symmetry in the top quark sector. In certain extensions of the Standard Model,…”
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