• Research Areas

    • Theory of Elementary Particles and Quantum Chromodynamics on the Lattice
  • CV

    Education

    -
    Ph.D.
    -
    Diploma in Physics

    Positions

    since
    Privatdozent
    since
    WWU Münster
    -
    DESY Zeuthen
  • Publications

    • Collins S., Eckert K., Heitger J., Hofmann S., Söldner W. . ‘Charmed pseudoscalar decay constants on three-flavour CLS ensembles with open boundaries.’ In LATTICE2016.: SISSA.
    • Bulava J., Della Morte M., Heitger J., Wittemeier C. . ‘Nonperturbative renormalization of the axial current in N f=3 lattice QCD with Wilson fermions and a tree-level improved gauge action.’ Physical Review D - Particles, Fields, Gravitation and Cosmology 93, No. 11. doi: 10.1103/PhysRevD.93.114513.
    • Della Morte M., Heitger J., Korcyl P., Simma H., Wittemeier C. . ‘Non-perturbative matching of HQET heavy-light axial and vector currents in N_f=2 lattice QCD.’ In LATTICE2016.: SISSA.
    • Fritzsch P., Garron N., Heitger J. . ‘Non-perturbative tests of continuum HQET through small-volume two-flavour QCD.’ Journal of High Energy Physics 2016, No. 1: 1-44. doi: 10.1007/JHEP01(2016)093.

    • Bulava J., Morte M., Heitger J., Wittemeier C. . ‘Non-perturbative improvement of the axial current in Nf=3 lattice QCD with Wilson fermions and tree-level improved gauge action.’ Nuclear Physics B 896: 555-568. doi: 10.1016/j.nuclphysb.2015.05.003.
    • Della Morte M, Heitger J, Simma H, Sommer R. . ‘Non-perturbative Heavy Quark Effective Theory: An application to semi-leptonic B-decays.’ Nuclear and Particle Physics Proceedings 2015, No. 261-262.
    • Bernardoni F., Blossier B., Bulava J., Della Morte M., Fritzsch P., Garron N., Gérardin A., Heitger J., Von Hippel G., Simma H. . ‘B-meson spectroscopy in HQET at order 1/m.’ Physical Review D - Particles, Fields, Gravitation and Cosmology 92, No. 5. doi: 10.1103/PhysRevD.92.054509.

    • Bernardoni, F., Blossier, B., Bulava, J., Della Morte, M., Fritzsch, P., Garron, N., Gérardin, A., Heitger, J., von Hippel, G., Simma, H., Sommer, R. . ‘Decay constants of B-mesons from non-perturbative HQET with two light dynamical quarks.’ Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 735: 349-356. doi: 10.1016/j.physletb.2014.06.051.
    • Bernardoni, F., Blossier, B., Bulava, J., Della Morte, M., Fritzsch, P., Garron, N., Gérardin, A., Heitger, J., von Hippel, G., Simma, H., Sommer, R. . ‘The b-quark mass from non-perturbative N_f=2 Heavy Quark Effective Theory at O(1/m_h).’ Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 730: 171-177. doi: 10.1016/j.physletb.2014.01.046.
    • Bulava J., Della Morte M., Heitger J., Wittemeier C. . ‘Non-perturbative improvement and renormalization of the axial current in N_f=3 lattice QCD.’ In LATTICE 2014.: SISSA.
    • Della Morte, M., Dooling, S., Heitger, J., Hesse, D., Simma, H. . ‘Matching of heavy-light flavour currents between HQET at order 1/m and QCD: I. Strategy and tree-level study.’ Journal of High Energy Physics 2014, No. 5. doi: 10.1007/JHEP05(2014)060.

    • Bulava J, Della Morte M, Heitger J, Wittemeier C. . ‘Determination of c_A in three-flavour lattice QCD with Wilson fermions and tree-level improved gauge action.’ In LATTICE 2013.: SISSA.
    • Heitger J, von Hippel G, Schaefer S, Virotta F. . ‘Charm quark mass and D-meson decay constants from two-flavour lattice QCD.’ In LATTICE 2013.: SISSA.
    • Bernardoni B, Blossier B, Bulava J, Della Morte M, Fritzsch P, Garron N, Gerardin A, Heitger J, von Hippel G, Simma H, Sommer R. . ‘B-physics with N_f=2 Wilson fermions.’ In LATTICE 2013, 381.: SISSA.

    • Bernardoni, F., Blossier B., Bulava J., Della Morte M., Fritzsch P., Garron N., Geradin A., Heitger J., von Hippel G., Simma H. . ‘B-physics from non-perturbatively renormalized HQET in two-flavour lattice QCD.’ In QCD 12, edited by Narison S..: Elsevier.
    • Bernardoni, F., Blossier B., Bulava J., Della Morte M., Fritzsch P., Garron N., Geradin A., Heitger J., von Hippel G., Simma H., Sommer R. . ‘B-physics from HQET in two-flavour lattice QCD.’ In LATTICE 2012.: SISSA.
    • Bahr F., Bernardoni, F., Blossier B., Bulava J., Della Morte M., Fritzsch P., Garron N., Geradin A., Heitger J., von Hippel G., Ramos A., Simma H., Sommer R. . ‘|V_ub| determination in lattice QCD.’ In ICHEP 2012.: SISSA.
    • Blossier B., Della Morte M., Fritzsch P., Garron N., Heitger J., Sommer R., Simma H., Tanatalo N. . ‘Parameters of Heavy Quark Effective Theory from N_f=2 lattice QCD.’ Journal of High Energy Physics 1209.

    • Blossier B., Bulava J., Della Morte M., Donnellan M., Fritzsch P., Garron N., Heitger J., von Hippel G., Simma H., Sommer R. . ‘M_b and f_B from non-perturbatively renormalized HQET with N_f=2 light quarks.’ In LATTICE 2011.: SISSA.

    • Heitger J. . ‘Towards precision heavy flavour physics from lattice QCD.’ In Proceedings of the Third Workshop on Theory, Phenomenology and Experiments in Heavy Flavour Physics, edited by Ricciardi et al..: Elsevier. doi: 10.1016/j.nuclphysbps.2010.12.020.
    • Della Morte M., Heitger J. . ‘Towards Precision B-physics from Non-Perturbative Heavy Quark Effective Theory.’ In NIC Symposium 2010, edited by Münster G., Wolf D., Kremer M..: Forschungszentrum Jülich.
    • Blossier B., Bulava J., Della Morte M., Donnellan M., Fritzsch P., Garron N., Heitger J., von Hippel G., Leder B., Simma H., Sommer R. . ‘B meson spectrum and decay constant from N_f=2 simulations.’ In LATTICE 2010.: SISSA.
    • Fritzsch P., Heitger J., Tantalo N. . ‘Non-perturbative improvement of quark mass renormalization in two-flavour lattice QCD.’ Journal of High Energy Physics 2010, No. 1008. doi: 10.1007/JHEP08(2010)074.

    • Heitger J., Jüttner A. . ‘Lattice cutoff effects for f_Ds with improved Wilson fermions - a final lesson from the quenched case.’ Journal of High Energy Physics 2009, No. 0905. doi: 10.1088/1126-6708/2009/05/101.

    • Della Morte M., Fritzsch P., Meyer H., Simma H., Sommer R., Takeda S., Witzel O., Wolff U. . ‘Scaling test of two-flavor O(a)-improved lattice QCD.’ Journal of High Energy Physics 2008, No. 0807. doi: 10.1088/1126-6708/2008/07/037.
    • Della Morte M., Fritzsch P., Heitger J., Sommer R. . ‘Non-perturbative quark mass dependence in the heavy-light sector of two-flavour QCD.’ In LATTICE 2008.: SISSA.
    • Heitger J. . ‘Heavy quark masses from lattice QCD.’ In Proceedings of the International Workshop on e+e- Collisions from Phi to Psi, edited by Bini C., Venanzoni G..: Elsevier. doi: 10.1016/j.nuclphysbps.2008.09.031.
    • Heitger J., von Hippel G., Schaefer S., Sommer R., Tantalo N. . ‘D_s physics from fine lattices.’ In LATTICE 2008.: SISSA.
    • Della Morte M., Dürr S., Guazzini D., Heitger J., Jüttner A., Sommer R. . ‘Heavy-strange meson decay constants in the continuum limit of quenched QCD.’ Journal of High Energy Physics 2008, No. 0802. doi: 10.1088/1126-6708/2008/02/078.

    • Della Morte M., Fritzsch P., Leder B., Takeda S., Witzel O., Wolff U., Meyer H. , Simma H., Sommer R. . ‘Preparing for N_f=2 simulations at small lattice spacings.’ In LATTICE 2007, edited by Bali et al..: SISSA.
    • Dimopoulos P., Heitger J., Palombi F., Pena C., Sint S., Vladikas A. . ‘Flavour symmetry restoration and kaon weak matrix elements in quenched twisted mass QCD.’ Nuclear Physics B 2007, No. B 776. doi: 10.1016/j.nuclphysb.2007.03.051.
    • Della Morte M., Fritzsch P., Heitger J., Meyer H., Simma H., Sommer R. . ‘Towards a non-perturbative matching of HQET and QCD with dynamical light quarks.’ In LATTICE 2007, edited by Bali et al..: SISSA.
    • Della Morte M., Fritzsch P., Heitger J. . ‘Non-perturbative renormalization of the static axial current in two-flavour QCD.’ Journal of High Energy Physics 2007, No. 0702. doi: 10.1088/1126-6708/2007/02/079.

    • Dimopoulos P., Heitger J., Palombi F., Pena C., Sint S., Vladikas A. . ‘A precise determination of B_K in quenched QCD.’ Nuclear Physics B 2006, No. B 749. doi: 10.1016/j.nuclphysb.2006.04.033.
    • Guagnelli M., Heitger J., Pena C., Sint S., Vladikas A. . ‘Non-perturbative renormalization of left-left four-fermion operators in quenched lattice QCD.’ Journal of High Energy Physics 2006, No. 0603. doi: 10.1088/1126-6708/2006/03/088.

    • Dimopoulos P., Heitger J., Pena C., Sint S., Vladikas A. . ‘Precision computation of B_K in quenched lattice QCD.’ In LATTICE 2004, edited by Bodwin et al..: Elsevier. doi: doi:10.1016/j.nuclphysbps.2004.11.368.
    • Heitger J., Jüttner A., Sommer R., Wennekers J. . ‘Non-perturbative tests of HQET in small-volume quenched QCD.’ In LATTICE 2004, edited by Bodwin et al..: Elsevier. doi: 10.1016/j.nuclphysbps.2004.11.313.
    • Della Morte M., Frezzotti R., Heitger J., Rolf J., Sommer R., Wolff U. . ‘Computation of the strong coupling in QCD with two dynamical flavours.’ Nuclear Physics B 2005, No. 713. doi: 10.1016/j.nuclphysb.2005.02.013.

    • Heitger J, Münster G. . ‘Universal amplitude ratios in Ising systems from massive field theory.’ In Proceedings of the International Symposium "Lattice 94", edited by Karsch F et al. Amsterdam: North-Holland Publ. Co.

    • Münster G, Heitger J. . ‘Field-theoretic calculation of the universal amplitude ratio of correlation lengths in 3D-Ising systems.’ Nucl. Phys. B 424.