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 2017-07-0413:50 [PUBDB-2017-06849] Report/Contribution to a conference proceedings/Contribution to a book Voronin, V. E. QCD Vacuum as Domain Wall Network [DESY-PROC-2016-04] Nedelko, Sergei N. "QCD Vacuum as Domain Wall Network" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 387-391 (2017) [10.3204/DESY-PROC-2016-04/Voronin]   Domain model of confinement, chiral symmetry breaking and hadronization is based on description of QCD vacuum gluon configurations as an ensemble of almost everywhere homogeneous Abelian (anti-)self-dual fields. The ensemble can be explicitly constructed as domain wall network. [...] OpenAccess: PDF; 2017-07-0413:50 [PUBDB-2017-06848] Report/Contribution to a conference proceedings/Contribution to a book Teber, S. Critical behaviour of (2+1)-dimensional QED: $1/N$-corrections [DESY-PROC-2016-04] Kotikov, Anatoly V. "Critical behaviour of (2+1)-dimensional QED: $1/N$-corrections" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 377-386 (2017) [10.3204/DESY-PROC-2016-04/Kotikov]   We present recently obtained results for dynamical chiral symmetry breaking studied within ($2+1$)-dimensional QED with $N$ four-component fermions. The leading and next-to-leading orders of the $1/N$ expansion are computed exactly in an arbitrary non-local gauge.. OpenAccess: PDF; 2017-07-0413:50 [PUBDB-2017-06847] Report/Contribution to a conference proceedings/Contribution to a book Gutiérrez-Guerrero, L. X. LKF Transformations in QCD and Quark Propagator [DESY-PROC-2016-04] Aslam, M. Jamil, Gutierrez-Guerrero, L. X. "LKF Transformations in QCD and Quark Propagator" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 371-376 (2017) [10.3204/DESY-PROC-2016-04/Aslam]   In this article, we present the derivation of Landau-Khalatnikov-Fradkin (LKF) transformation for the quark propagator in an arbitrary $SU(N)$ gauge theory. Working in the system of covariant gauges, we derive transformation law by making perturbative expansions till ${\cal O}(g_s^6)$ and, for some terms, till ${\cal O}(g_s^8)$. [...] OpenAccess: PDF; 2017-07-0413:50 [PUBDB-2017-06846] Report/Contribution to a conference proceedings/Contribution to a book Ivanov, M. A. The study of b-s anomaly decays in covariant quark model [DESY-PROC-2016-04] Issadykov, Aidos "The study of b-s anomaly decays in covariant quark model" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 358-370 (2017) [10.3204/DESY-PROC-2016-04/Aidos]   The work is devoted to the study of b-s anomaly decays. We compute the relevant form factors in the framework of the covariant quark model with infrared confinement in the full kinematical momentum transfer region. [...] OpenAccess: PDF; 2017-07-0413:50 [PUBDB-2017-06845] Report/Contribution to a conference proceedings/Contribution to a book Ahmed, Ishtiaq Probing New Physics through FCNC Transition [DESY-PROC-2016-04] Ahmed, Ishtiaq "Probing New Physics through FCNC Transition" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 353-357 (2017) [10.3204/DESY-PROC-2016-04/Ishtiaq]   In this study, we analyze the implications of the non-universal $Z^\prime$ model to the lepton polarization asymmetries and the cp violation for the decay channel $B\to K^*\ell^+\ell^-$ where $\ell=\mu^+\mu^-$. To study the influence of the $Z^\prime$ on the mentioned observables we used the UTFit constraints for the parameters of $Z^\prime$. [...] OpenAccess: PDF; 2017-07-0413:49 [PUBDB-2017-06844] Report/Contribution to a conference proceedings/Contribution to a book Sinha, R. Implications from $B\to K^* \ell^+\ell^-$ observables using LHCb data [DESY-PROC-2016-04] Nayak, Abinash Kumar "Implications from \boldmath$B\to^* \ell^+\ell^-$ observables using LHCb data" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 339-352 (2017) [10.3204/DESY-PROC-2016-04/Sina]   The decay $B\to K*\ell^+\ell^-$ is regarded as one of the most important modes to search for physics beyond the standard model as the angular distribution enables the independent measurement of a plethora of observables. To disentangle new physics from the standard model effect an exact'' test of standard model is needed. [...] OpenAccess: PDF; 2017-07-0413:49 [PUBDB-2017-06843] Report/Contribution to a conference proceedings/Contribution to a book Körner, J. G. Analyzing New Physics in {$\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$} [DESY-PROC-2016-04] Tran, C. T. "Analyzing New Physics in {$\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$}" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 326-338 (2017) [10.3204/DESY-PROC-2016-04/Tran]   We discuss possible new physics (NP) effects beyond the standard model (SM) in the exclusive decays $\bar{B}^0 \to D^{(\ast)} \tau^- \bar{\nu}_{\tau}$. Starting with a model-independent effective Hamiltonian including non-SM four-Fermi operators, we show how to obtain experimental constraints on different NP scenarios and investigate their effects on a large set of physical observables. [...] OpenAccess: PDF; 2017-07-0413:49 [PUBDB-2017-06842] Report/Contribution to a conference proceedings/Contribution to a book Santorelli, P. Non-Leptonic Two-Body Decays of Charmed Mesons and CP Violation [DESY-PROC-2016-04] Santorelli, Pietro "Non-Leptonic Two-Body Decays of Charmed Mesons and CP Violation" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 317-325 (2017) [10.3204/DESY-PROC-2016-04/Santorelli]   The nonleptonic two body decays of the $D$ and $D_s$ mesons represent a key subject to study possible effects of CP violation. The attention for these decay modes was triggered four years ago by the results of measurements of the difference between CP asymmetries in charged $KK$ and $\pi\pi$ final state, $\Delta a_{\rm CP}$. [...] OpenAccess: PDF; 2017-07-0413:49 [PUBDB-2017-06841] Report/Contribution to a conference proceedings/Contribution to a book Galkin, V. O. Spectroscopy and Regge Trajectories of Light Mesons [DESY-PROC-2016-04] Ebert, D. "Spectroscopy and Regge Trajectories of Light Mesons" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 307-316 (2017) [10.3204/DESY-PROC-2016-04/Faustov]   Masses of light tetraquarks are obtained in the diquark-antidiquark picture. Such exotic states can be identified with the known light scalar mesons forming an SU(3) nonet ($\sigma$ meson $f_0(600)$, $\kappa$ meson $K^*_0(800)$, $f_0(980)$ and $a_0(980)$). [...] OpenAccess: PDF; 2017-07-0413:48 [PUBDB-2017-06839] Report/Contribution to a conference proceedings/Contribution to a book Galkin, V. O. Relativistic Description of Baryon Properties [DESY-PROC-2016-04] Ebert, D. "Relativistic Description of Baryon Properties" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, DubnaQuantum Field Theory at the Limits, HQ 2016, Meeting locationDubna, Russia, 18 Jul 2016 - 30 Jul 2016Contributions / Info DESY-PROC 297-306 (2017) [10.3204/DESY-PROC-2016-04/Galkin]   Properties of heavy and strange baryons are investigated in the framework of the relativistic quark-diquark picture. It is assumed that two quarks in a baryon form a diquark and baryon is considered as the bound quark-diquark system. [...] OpenAccess: PDF;