Address:

CFTP, Departamento de Fisica
Instituto Superior Técnico
Avenida Rovisco Pais, 1
1049-001 Lisboa
Portugal

Office:  Room 4-8.1
Phone: +351 218419718
Email:

gernot.eichmann (at) tecnico.ulisboa.pt



Research interests

My research interests involve non-perturbative QCD, Dyson-Schwinger equations, and the application of bound-state equations (Bethe-Salpeter and Faddeev equations) to hadron properties with emphasis on baryons, tetraquarks and multiquark systems.

Biographical sketch

Quick links

Publications

The publication list and citation summary are also available from INSPIRE.

  1. Electromagnetic decays of the neutral pion
    Esther Weil, Gernot Eichmann, Christian S. Fischer, Richard Williams
    e-Print: 1704.06046 [hep-ph].

  2. On the large-Q2 behavior of the pion transition form factor
    Gernot Eichmann, Christian S. Fischer, Esther Weil, Richard Williams
    e-Print: 1704.05774 [hep-ph].

  3. More about the light baryon spectrum
    Gernot Eichmann
    Few Body Syst. 58 (2017) no. 2, 81
    e-Print: 1611.10118 [hep-ph].

  4. On light baryons and their excitations
    Gernot Eichmann, Christian S. Fischer, Helios Sanchis-Alepuz
    Phys. Rev. D94 (2016) 9, 094033
    e-Print: 1607.05748 [hep-ph].

  5. Baryons as relativistic three-quark bound states
    Gernot Eichmann, Helios Sanchis-Alepuz, Richard Williams, Reinhard Alkofer,
    Christian S. Fischer. Prog. Part. Nucl. Phys. 91 (2016) 1-100
    e-Print: 1606.09602 [hep-ph].

  6. Progress in the calculation of nucleon transition form factors
    Gernot Eichmann
    Few Body Syst. 57 (2016) no. 10, 965-973
    e-Print: 1602.03462 [hep-ph].

  7. Towards a microscopic understanding of nucleon polarizabilities
    Gernot Eichmann
    Few Body Syst. 57 (2016) no. 7, 541-547
    e-Print: 1601.04154 [hep-ph].

  8. Baryon effects on the location of QCD's critical end point
    Gernot Eichmann, Christian S. Fischer, Christian A. Welzbacher
    Phys. Rev. D93 (2016) 3, 034013
    e-Print: 1509.02082 [hep-ph].

  9. The light scalar mesons as tetraquarks
    Gernot Eichmann, Christian S. Fischer, Walter Heupel
    Phys. Lett. B753 (2016) 282-287
    e-Print: 1508.07178 [hep-ph].

  10. Four-point functions and the permutation group S4
    Gernot Eichmann, Christian S. Fischer, Walter Heupel
    Phys. Rev. D92 (2015) 5, 056005
    e-Print: 1505.06336 [hep-ph].

  11. Electromagnetic baryon form factors in the Poincaré-covariant Faddeev approach
    Reinhard Alkofer, Gernot Eichmann, Helios Sanchis-Alepuz, Richard Williams
    Hyperfine Interact. 234 (2015) 1-3, 149-154
    e-Print: 1412.8413 [hep-ph].

  12. The three-gluon vertex in Landau gauge
    Gernot Eichmann, Richard Williams, Reinhard Alkofer, Milan Vujinovic
    Phys. Rev. D89, 105014 (2014)
    e-Print: 1402.1365 [hep-ph].

  13. Nucleon Compton scattering in the Dyson-Schwinger approach
    Gernot Eichmann, Christian S. Fischer
    Phys. Rev. D87, 036006 (2013)
    e-Print: 1212.1761 [hep-ph].

  14. Tetraquark bound states in a Bethe-Salpeter approach
    Walter Heupel, Gernot Eichmann, Christian S. Fischer
    Phys.Lett. B718, 545 (2012)
    e-Print: 1206.5129 [hep-ph].

  15. Nucleon to Delta electromagnetic transition in the Dyson-Schwinger approach
    Gernot Eichmann, Diana Nicmorus
    Phys. Rev. D85, 093004 (2012)
    e-Print: 1112.2232 [hep-ph].

  16. Nucleon axial and pseudoscalar form factors
    from the covariant Faddeev equation

    Gernot Eichmann, Christian S. Fischer
    Eur. Phys. J. A 48 (2011) 9
    e-Print: 1111.2614 [hep-ph].

  17. Unified description of hadron-photon and hadron-meson scattering
    in the Dyson-Schwinger approach

    Gernot Eichmann, Christian S. Fischer
    Phys. Rev. D85, 034015 (2012)
    e-Print: 1111.0197 [hep-ph].

  18. Delta and Omega masses in a three-quark covariant Faddeev approach
    Helios Sanchis-Alepuz, Gernot Eichmann, Selym Villalba-Chavez, Reinhard Alkofer
    Phys. Rev. D84, 096003 (2011)
    e-Print: 1109.0199 [hep-ph].

  19. Hadronic decays of mesons and baryons in the Dyson-Schwinger approach
    Valentin Mader, Gernot Eichmann, Martina Blank, Andreas Krassnigg
    Phys. Rev. D84, 034012 (2011)
    e-Print: 1106.3159 [hep-ph].

  20. Nucleon electromagnetic form factors from the covariant Faddeev equation
    Gernot Eichmann
    Phys. Rev. D84, 014014 (2011)
    e-Print: 1104.4505 [hep-ph].

  21. Delta and Omega electromagnetic form factors in a
    Dyson-Schwinger/Bethe-Salpeter approach

    Diana Nicmorus, Gernot Eichmann, Reinhard Alkofer
    Phys.Rev. D82, 114017 (2010)
    e-Print: 1008.3184 [hep-ph].

  22. Nucleon mass from a covariant three-quark Faddeev equation
    Gernot Eichmann, Reinhard Alkofer, Andreas Krassnigg, Diana Nicmorus
    Phys. Rev. Lett. 104, 201601 (2010)
    e-Print: 0912.2246 [hep-ph].

  23. Delta-baryon mass in a covariant Faddeev approach
    D. Nicmorus, G. Eichmann, A. Krassnigg, R. Alkofer.
    Phys. Rev. D80, 054028 (2009)
    e-Print: 0812.1665 [hep-ph].

  24. Survey of nucleon electromagnetic form factors
    I.C. Cloet, G. Eichmann, B. El-Bennich, T. Klahn, C.D. Roberts.
    Few Body Syst. 46, 1-36 (2009)
    e-Print: 0812.0416 [nucl-th].

  25. Toward unifying the description of meson and baryon properties
    G. Eichmann, I.C. Cloet, R. Alkofer, A. Krassnigg, C.D. Roberts.
    Phys. Rev. C79, 012202(R) (2009)
    e-Print: 0810.1222 [nucl-th].

  26. Current quark mass dependence of nucleon magnetic moments and radii
    I.C. Cloet, G. Eichmann, V.V. Flambaum, C.D. Roberts, M.S. Bhagwat, A. Holl.
    Few Body Syst. 42, 91-113 (2008)
    e-Print: 0804.3118 [nucl-th].

  27. Perspective on rainbow-ladder truncation
    G. Eichmann, R. Alkofer, I. C. Cloet, A. Krassnigg, C. D. Roberts.
    Phys. Rev. C77, 042202(R) (2008)
    e-Print: 0802.1948 [nucl-th].

  28. A covariant view on the nucleons' quark core
    G. Eichmann, A. Krassnigg, M. Schwinzerl and R. Alkofer.
    Annals Phys. 323, 2505-2553 (2008)
    e-Print: 0712.2666 [hep-ph].

Conference proceedings:

  1. Tetraquarks from the Bethe-Salpeter equation
    Gernot Eichmann, Christian S. Fischer, Walter Heupel
    Acta Phys.Polon.Supp. 8 (2015) 425
    e-Print: 1507.05022 [hep-ph].

  2. Hadron properties from the Dyson-Schwinger approach
    Gernot Eichmann
    MesonNet 2014 International Workshop. Mini-proceedings
    e-Print: 1412.5451 [nucl-ex].

  3. The muon g-2: Dyson-Schwinger status on hadronic light-by-light scattering
    Gernot Eichmann, Christian S. Fischer, Walter Heupel, Richard Williams
    Proceedings of Confinement XI
    AIP Conf. Proc. 1701, 040004 (2016).
    e-Print: 1411.7876 [hep-ph].

  4. Non-perturbative features of the three-gluon vertex in Landau gauge
    Milan Vujinovic, Reinhard Alkofer, Gernot Eichmann, Richard Williams
    Proceedings of Excited QCD 2014
    Acta Phys. Polon. Supp. 7 (2014) 3, 607.
    e-Print: 1404.4474 [hep-ph].

  5. Probing nucleons with photons at the quark level
    Gernot Eichmann
    Proceedings of Excited QCD 2014
    Acta Phys. Polon. Supp. 7 (2014) 3, 597.
    e-Print: 1404.4149 [hep-ph].

  6. On propagators and three-point functions in Landau gauge QCD
    and QCD-like theories

    Reinhard Alkofer, Gernot Eichmann, Christian S. Fischer, Markus Hopfer,
    Milan Vujinovic, Richard Williams, Andreas Windisch
    PoS QCD-TNT-III (2013) 003
    e-Print: 1405.7310 [hep-ph].

  7. The role of pions as virtual constituents of light bound states
    Walter Heupel, Stanislav Kubrak, Gernot Eichmann, Christian Fischer
    PoS Bormio2013 (2013) 065
    e-Print: 1305.0650 [hep-ph].

  8. Hadron phenomenology in the Dyson-Schwinger approach
    Gernot Eichmann
    Proceedings of FAIRNESS 2012
    J. Phys. Conf. Ser. 426 (2013) 012014.

  9. Nucleon Compton scattering from the Dyson-Schwinger perspective
    Gernot Eichmann, Christian S. Fischer
    PoS ConfinementX (2012) 090
    e-Print: 1301.1194 [hep-ph].

  10. From quarks and gluons to baryon form factors
    Gernot Eichmann
    Erice Proceedings, 33rd International Workshop on Nuclear Physics
    Prog. Part. Nucl. Phys. 67 (2012) 234.

  11. Baryon form factors from Dyson-Schwinger equations
    Gernot Eichmann
    PoS QCD-TNT-II (2011) 017
    e-Print: 1112.4888 [hep-ph].

  12. Model comparison of Delta and Omega masses
    in a covariant Faddeev approach

    H. Sanchis-Alepuz, R. Alkofer, G. Eichmann, R. Williams.
    PoS QCD-TNT-II (2011) 041
    e-Print: 1112.3214 [hep-ph].

  13. On baryon properties from a covariant Faddeev approach
    H. Sanchis-Alepuz, R. Alkofer, G. Eichmann, S. Villalba-Chavez.
    PoS LC 2010 018 (2010)
    e-Print: 1010.6183 [hep-ph].

  14. Baryons in and beyond the quark-diquark model
    G. Eichmann, R. Alkofer, C. S. Fischer, A. Krassnigg, D. Nicmorus.
    AIP Conf. Proc. 1374 (2011) 617-620
    e-Print: 1010.0206 [hep-ph].

  15. Delta properties in the rainbow-ladder truncation
    of Dyson-Schwinger equations

    D. Nicmorus, G. Eichmann, A. Krassnigg, R. Alkofer.
    Few Body Syst. 49, 255-261 (2011)
    e-Print: 1008.4149 [hep-ph].

  16. Hadron properties from QCD bound-state equations: A status report
    R. Alkofer, G. Eichmann, A. Krassnigg, D. Nicmorus.
    Chin. Phys. C34, 1175-1180 (2010)
    e-Print: 0912.3105 [hep-ph].

  17. Covariant solution of the three-quark problem in quantum field theory:
    the nucleon

    G. Eichmann, R. Alkofer, A. Krassnigg, D. Nicmorus
    EPJ Web Conf. 3:03028 (2010)
    e-Print: 0912.2876 [hep-ph].

  18. Meson and nucleon properties from Dyson-Schwinger QCD
    G. Eichmann, R. Alkofer, A. Krassnigg, D. Nicmorus.
    PoS CONFINEMENT8 077 (2008)
    e-Print: 0812.3183 [hep-ph].

  19. Faddeev equations: A view of baryon properties
    D. Nicmorus, G. Eichmann, A. Krassnigg, R. Alkofer.
    PoS CONFINEMENT8 052 (2008)
    e-Print: 0812.2966 [hep-ph].

  20. The nucleon as a QCD bound state in a Faddeev approach
    G. Eichmann, A. Krassnigg, M. Schwinzerl and R. Alkofer.
    Prog. Part. Nucl. Phys. 61:84-85 (2008)

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