Prof. Dr. Jochen Heitger

Prof. Dr. Jochen Heitger

Wilhelm-Klemm-Str. 9
48149 Münster

  • Research Areas

    Theory of Elementary Particles and Quantum Chromodynamics on the Lattice

    field theories on the lattice, Monte-Carlo simulations, precision computations of QCD and Standard Model parameters by means of lattice QCD, hadron and flavour physics on the lattice (particularly heavy quark systems; charm, beauty), D; and B-meson decays, Heavy Quark Effective Theory, non-perturbative renormalization and O(a) improvement on the lattice

  • CV

    Education

    Ph.D.
    Diploma in Physics

    Positions

    außerplanmäßiger Professor
    WWU Münster
    Privatdozent
    DFG Research Fellowship (Eigene Stelle)
    DESY Theory Fellowship, Zeuthen

    External Function

    Member of the Scientific Council of the John von Neumann-Institute for Computing (NIC)

  • Publications

    • Blossier B., Cahue P.-H., Heitger J., La Cesa S., Neuendorf J., Zafeiropoulos S. . ‘On the extraction of B_s to D^(*)_s form factors from N_f=2 lattice QCD.’ Phys. Rev. D 105, No. 5: 054515. doi: 10.1103/PhysRevD.105.054515.
    • Boyle, Peter; Heitger, Jochen; et al. . ‘A lattice QCD perspective on weak decays of bb and cc quarks Snowmass 2022 White Paper.’ Contributed to the 2022 Snowmass Summer Study, Washington U., Seattle, Seattle, WA, United States.
    • Petrak, Pia; Bali, Gunnar; Collins, Sara; Heitger, Jochen; Jenkins, Daniel, Weißhäupl, Simon. . ‘Sigma terms of the baryon octet in N_f=2+1 QCD with Wilson quarks.’ Contributed to the 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany. doi: 10.48550/arXiv.2301.03871.
    • Fritzsch, Patrick; Heitger, Jochen; Kuhlmann, Justus T. . ‘On improvement of the axial-vector current with stabilised Wilson fermions.’ Contributed to the 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany. doi: 10.48550/arXiv.2212.11063.
    • Neuendorf, Jan; Heitger, Jochen; José, Teseo San; Blossier, Benoît. . ‘Direct access to hadronic decay parameters with twisted boundary conditions.’ Contributed to the 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany. doi: 10.48550/arXiv.2212.11206.

    • Heitger J., Joswig F. . ‘The renormalised O(a) improved vector current in three-flavour lattice QCD with Wilson quarks.’ European Physical Journal C 81, No. 3: 254. doi: 10.1140/epjc/s10052-021-09037-4.
    • Heitger J., Joswig F., Kuberski S. . ‘Determination of the charm quark mass in lattice QCD with 2+1 flavours on fine lattices.’ Journal of High Energy Physics 05: 288. doi: 10.1007/JHEP05(2021)288.
    • Heitger J., Joswig F., Petrak P.L.J., Vladikas A. . ‘Ratio of flavour non-singlet and singlet scalar density renormalisation parameters in N_f=3 QCD with Wilson quarks.’ European Physical Journal C 81, No. 7: 606. doi: 10.1140/epjc/s10052-021-09387-z.
    • Cali S., Eckert K., Heitger J., Knechtli F., Korzec T. . ‘Charm sea effects on charmonium decay constants and heavy meson masses.’ European Physical Journal C 81, No. 8: 733. doi: 10.1140/epjc/s10052-021-09520-y.
    • Gérardin A., Heitger J., Kuberski S., Simma H., Sommer R. . ‘Precision $B^*Bπ$ coupling from three-flavor lattice QCD.’ In Proceedings of the 38th International Symposium on Lattice Field Theory.: SISSA. doi: 10.48550/arXiv.2111.04693.
    • Blossier B., Cahue P.-H., Heitger J., La Cesa S., Neuendorf J., Zafeiropoulos S. . ‘B_s to D^(*)_s form factors from lattice QCD with N_f=2 Wilson-clover quarks.’ In Proceedings of the 38th International Symposium on Lattice Field Theory.: SISSA. doi: 10.48550/arXiv.2111.05733.
    • Petrak P.L.J., Bali G., Collins S., Heitger J., Jenkins D., Weishäupl S., Wurm T. . ‘Towards the determination of sigma terms for the baryon octet on N_f=2+1 CLS ensembles.’ In Proceedings of the 38th International Symposium on Lattice Field Theory.: SISSA. doi: 10.48550/arXiv.2112.00586.

    • Heitger J., Joswig F., Vladikas A. . ‘Ward identity determination of Z_S/Z_P for N_f=3 lattice QCD in a Schrödinger functional setup.’ European Physical Journal C 80, No. 8: 765.
    • Chimirri L., Fritzsch P., Heitger J., Joswig F., Panero M., Pena C., Preti D. . ‘Non-perturbative renormalization of O(a) improved tensor currents.’ In Lattice 2019, 212.: SISSA.

    • de Divitiis G.M., Fritzsch P., Heitger J., Köster C.C., Kuberski S., Vladikas A. . ‘Non-perturbative determination of improvement coefficients b_m and b_A-b_P and normalisation factor Z_m*Z_P/Z_A with N_f=3 Wilson fermions.’ European Physical Journal C 79, No. 9: 797.
    • Heitger J., Joswig F., Kuberski S. . ‘Towards the determination of the charm quark mass on N_f=2+1 CLS ensembles.’ In Lattice 2019, 092.: SISSA.

    • Fritzsch P., Heitger J., Kuberski S. . ‘O(a) improved quark mass renormalization for a non-perturbative matching of HQET to three-flavor QCD.’ In Lattice 2018, 218.: SISSA.
    • Heitger J., Joswig F., Vladikas A. . ‘Z_S/Z_P from three-flavour lattice QCD.’ In Lattice 2018, 217.: SISSA.
    • Blossier B. , Heitger J., Post M. . ‘Leptonic D_s decays in two-flavour lattice QCD.’ Phys. Rev. D 98, No. 5: 054506.
    • Collins S., Eckert K., Heitger J., Hofmann S., Söldner W. . ‘Leptonic decay constants for D-mesons from 3-flavour CLS ensembles.’ In Lattice 2017, 13019.: Springer.
    • Bailas G., Blossier B., Heitger J., Morenas V., Post M. . ‘On the D_s^* and charmonia leptonic decays.’ In Lattice 2017, 13002.: Springer.
    • Heitger J., Joswig F., Vladikas A., Wittemeier C. . ‘Non-perturbative determination of c_V, Z_V and Z_S/Z_P in N_f=3 lattice QCD.’ In Lattice 2017, 10004.: Springer.
    • de Divitiis G.M., Firrotta M., Heitger J., Köster C., Vladikas A. . ‘Non-perturbative determination of improvement b-coefficients in N_f=3.’ In Lattice 2017, 10008.: Springer.

    • Collins S., Eckert K., Heitger J., Hofmann S., Söldner W. . ‘Charmed pseudoscalar decay constants on three-flavour CLS ensembles with open boundaries.’ In LATTICE2016, 368.: SISSA.
    • 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, 199.: 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., 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: 114513. doi: 10.1103/PhysRevD.93.114513.

    • 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: 368.
    • 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.
    • 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 B 735: 349. 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 B 730: 177. doi: 10.1016/j.physletb.2014.01.046.
    • 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: 060. doi: 10.1007/JHEP05(2014)060.
    • 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, 283.: 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, 475.: SISSA.
    • 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, 311.: 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., 181.: Elsevier.
    • 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, 424.: SISSA.
    • 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, 273.: 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: 132.

    • 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, 280.: 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., 117.: Elsevier. doi: 10.1016/j.nuclphysbps.2010.12.020.
    • 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, 308.: SISSA.
    • 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., 31.: Forschungszentrum Jülich.
    • 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: 074. 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: 101. 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: 037. 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, 226.: SISSA.
    • Heitger J., von Hippel G., Schaefer S., Sommer R., Tantalo N. . ‘D_s physics from fine lattices.’ In LATTICE 2008, 227.: 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., 156.: Elsevier. doi: 10.1016/j.nuclphysbps.2008.09.031.
    • 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: 078. 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., 255.: SISSA.
    • 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., 246.: 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: 258. doi: 10.1016/j.nuclphysb.2007.03.051.
    • 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: 079. 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: 69. 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: 088. doi: 10.1088/1126-6708/2006/03/088.

    • 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., 485.: Elsevier. doi: 10.1016/j.nuclphysbps.2004.11.313.
    • 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., 362.: Elsevier. doi: 10.1016/j.nuclphysbps.2004.11.368.
    • 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: 378. 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, 767. 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: 582.