Prof. Dr. Jochen Heitger

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

Academic Education

1993 – 1997

Ph.D.

1988 – 1993

Diploma in Physics

Positions

since 10.2018

außerplanmäßiger Professor

12.2005 – 09.2018

Privatdozent

03.2013 – 02.2016

DFG Research Fellowship (Eigene Stelle)

since 10.2000

WWU Münster

10.1997 – 09.2000

DESY Theory Fellowship, Zeuthen

Function or Membership

2020

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

• 2025
• 2024
• 2022
• 2021
• 2020
• 2019
• 2018
• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 1995
• 1994

2025

• Blossier, B., Neuendorf, J., Heitger, J., and San José, T. 2025. “Hadronic decay of vector charmonium from the lattice.” Journal of High Energy Physics 04: 139. doi: 10.48550/arXiv.2411.10123.
• Blossier, B., Neuendorf, J., Heitger, J., and San José, T. 2025. “The hadronic decay of vector charmonium.” contribution to the 41th International Symposium on Lattice Field Theory (Lattice 2024), Liverpool doi: 10.22323/1.466.0428.
• Petrak, Pia Leonie Jones, Heitger, Jochen, and Joswig, Fabian. 2025. “O(a) improvement of the flavour singlet scalar density in a setup with Wilson fermions.” PoS - Proceedings of Science LATTICE2024 290. doi: 10.22323/1.466.0290.

2024

• Fritzsch, Patrick, Heitger, Jochen, Joswig, Fabian, and Kuhlmann, Justus T. 2024. “Towards charm physics with stabilised Wilson fermions.” Preprint. contribution to the 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, USA doi: 10.48550/arXiv.2401.05885.
• Neuendorf, Jan, Heitger, Jochen, Egbring, Giulia, Höllwieser, Roman, Knechtli, Francesco, Korzec, Tomasz, and Urrea-Nino, Juan Andres. 2024. “Optimized Distillation Profiles for Heavy-Light Spectroscopy.” contribution to the 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, USA doi: 10.22323/1.453.0057.
• Conigli, Alessandro, Frison, Julien, Fritzsch, Patrick, Gerardin, Antoine, Heitger, Jochen, Herdoiza, Gregorio, Kuberski, Simon, Pena, Carlos, Simma, Hubert, and Sommer, Rainer. 2024. “A strategy for B-physics observables in the continuum limit.” Preprint. contribution to the 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, USA doi: 10.48550/arXiv.2312.09811.
• Conigli, Alessandro, Frison, Julien, Fritzsch, Patrick, Gerardin, Antoine, Heitger, Jochen, Herdoiza, Gregorio, Kuberski, Simon, Pena, Carlos, Simma, Hubert, and Sommer, Rainer. 2024. “m_b and f_B^(*) in 2 + 1 flavour QCD from a combination of continuum limit static and relativistic results.” Preprint. contribution to the 40th International Symposium on Lattice Field Theory (Lattice 2023), Fermilab, USA doi: 10.48550/arXiv.2312.10017.
• Kuberski, S., Joswig, F., Collins, S., Heitger, J., and Söldner, W. 2024. “D and D_s decay constants in N_f = 2 + 1 QCD with Wilson fermions.” Journal of High Energy Physics 07 90. doi: 10.1007/JHEP07(2024)090.
• Chimirri, L., Fritzsch, P., Heitger, J., Joswig, F., Panero, M., Pena, C., and Preti, D. 2024. “Non-perturbative renormalisation and improvement of non-singlet tensor currents in N_f = 3 QCD.” Journal of High Energy Physics 07 089. doi: 10.1007/JHEP07(2024)089.
• Conigli, A., Frison, J., Fritzsch, P., Gérardin, A., Heitger, J., Herdoiza, G., Kuberski, S., Pena, C., Simma, H., and Sommer, R. 2024. “B-physics observables in the continuum from a combination of static and relativistic results.” contribution to the EuroPLEx Final Conference, Berlin doi: 10.22323/1.451.0005.
• Collins, S., Heitger, J., Joswig, F., S. Kuberski, S., and W. Söldner, W. 2024. “D and D_s decay constants from N_f=2+1 lattice QCD.” contribution to the EuroPLEx Final Conference, Berlin doi: 10.22323/1.451.0033.

2022

• Blossier, B., Cahue, P.-H., Heitger, J., La, Cesa S., Neuendorf, J., and Zafeiropoulos, S. 2022. “On the extraction of B_s to D^(*)_s form factors from N_f=2 lattice QCD.” Physical Review D (PRD) 105 (5): 054515. doi: 10.1103/PhysRevD.105.054515.
• Boyle, Peter, Heitger, Jochen, and et, al. 2022. “A lattice QCD perspective on weak decays of bb and cc quarks Snowmass 2022 White Paper.” Preprint. contribution to the 2022 Snowmass Summer Study, Washington U., Seattle, Seattle, WA, United States
• Petrak, Pia, Bali, Gunnar, Collins, Sara, Heitger, Jochen, and Jenkins, Daniel Weißhäupl Simon. 2022. “Sigma terms of the baryon octet in N_f=2+1 QCD with Wilson quarks.” Preprint. contribution to the 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany doi: 10.48550/arXiv.2301.03871.
• Fritzsch, Patrick, Heitger, Jochen, and Kuhlmann, Justus T. 2022. “On improvement of the axial-vector current with stabilised Wilson fermions.” Preprint. contribution 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, and Blossier, Benoît. 2022. “Direct access to hadronic decay parameters with twisted boundary conditions.” contribution to the 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany doi: 10.48550/arXiv.2212.11206.

2021

• Heitger, J., and Joswig, F. 2021. “The renormalised O(a) improved vector current in three-flavour lattice QCD with Wilson quarks.” European Physical Journal C: Particles and Fields 81 (3): 254.. doi: 10.1140/epjc/s10052-021-09037-4.
• Heitger, J., Joswig, F., and Kuberski, S. 2021. “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., and Vladikas, A. 2021. “Ratio of flavour non-singlet and singlet scalar density renormalisation parameters in N_f=3 QCD with Wilson quarks.” European Physical Journal C: Particles and Fields 81 (7): 606.. doi: 10.1140/epjc/s10052-021-09387-z.
• Cali, S., Eckert, K., Heitger, J., Knechtli, F., and Korzec, T. 2021. “Charm sea effects on charmonium decay constants and heavy meson masses.” European Physical Journal C: Particles and Fields 81 (8): 733.. doi: 10.1140/epjc/s10052-021-09520-y.
• Gérardin, A., Heitger, J., Kuberski, S., Simma, H., and Sommer, R. 2021. “Precision $B^*Bπ$ coupling from three-flavor lattice QCD.” in Proceedings of the 38th International Symposium on Lattice Field Theory, PoS SISSA. doi: 10.48550/arXiv.2111.04693.
• Blossier, B., Cahue, P.-H., Heitger, J., La, Cesa S., Neuendorf, J., and Zafeiropoulos, S. 2021. “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, PoS SISSA. doi: 10.48550/arXiv.2111.05733.
• Petrak, P.L.J., Bali, G., Collins, S., Heitger, J., Jenkins, D., Weishäupl, S., and Wurm, T. 2021. “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, PoS SISSA. doi: 10.48550/arXiv.2112.00586.

2020

• Heitger, J., Joswig, F., and Vladikas, A. 2020. “Ward identity determination of Z_S/Z_P for N_f=3 lattice QCD in a Schrödinger functional setup.” European Physical Journal C: Particles and Fields 80 (8) 765. doi: 10.1140/epjc/s10052-020-8266-2.
• Chimirri, L., Fritzsch, P., Heitger, J., Joswig, F., Panero, M., Pena, C., and Preti, D. 2020. “Non-perturbative renormalization of O(a) improved tensor currents.” in Lattice 2019, Vol. PoS LATTICE2019 of Proceedings of Science Proceedings of Science.

2019

• de, Divitiis G.M., Fritzsch, P., Heitger, J., Köster, C.C., Kuberski, S., and Vladikas, A. 2019. “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 (9): 797.
• Heitger, J., Joswig, F., and Kuberski, S. 2019. “Towards the determination of the charm quark mass on N_f=2+1 CLS ensembles.” in Lattice 2019, Vol. PoS LATTICE2019 of Proceedings of Science Proceedings of Science.

2018

• Fritzsch, P., Heitger, J., and Kuberski, S. 2018. “O(a) improved quark mass renormalization for a non-perturbative matching of HQET to three-flavor QCD.” in Lattice 2018, Vol. PoS LATTICE2018 of Proceedings of Science Proceedings of Science.
• Heitger, J., Joswig, F., and Vladikas, A. 2018. “Z_S/Z_P from three-flavour lattice QCD.” in Lattice 2018, Vol. PoS LATTICE2018 of Proceedings of Science Proceedings of Science.
• Blossier, B., Heitger, J., and Post, M. 2018. “Leptonic D_s decays in two-flavour lattice QCD.” Phys. Rev. D 98 (5): 054506.
• Collins, S., Eckert, K., Heitger, J., Hofmann, S., and Söldner, W. 2018. “Leptonic decay constants for D-mesons from 3-flavour CLS ensembles.” in Lattice 2017, Vol. 175 (2018) of EPJ Web Conf. Springer.
• Bailas, G., Blossier, B., Heitger, J., Morenas, V., and Post, M. 2018. “On the D_s^* and charmonia leptonic decays.” in Lattice 2017, Vol. 175 (2018) of EPJ Web Conf. Springer.
• Heitger, J., Joswig, F., Vladikas, A., and Wittemeier, C. 2018. “Non-perturbative determination of c_V, Z_V and Z_S/Z_P in N_f=3 lattice QCD.” in Lattice 2017, Vol. 175 (2018) of EPJ Web Conf. Springer.
• de, Divitiis G.M., Firrotta, M., Heitger, J., Köster, C., and Vladikas, A. 2018. “Non-perturbative determination of improvement b-coefficients in N_f=3.” in Lattice 2017, Vol. 175 (2018) of EPJ Web Conf. Springer.

2017

• Collins, S., Eckert, K., Heitger, J., Hofmann, S., and Söldner, W. 2017. “Charmed pseudoscalar decay constants on three-flavour CLS ensembles with open boundaries.” in LATTICE2016, Vol. LATTICE2016 of Proceedings of Science Proceedings of Science.
• Della, Morte M., Heitger, J., Korcyl, P., Simma, H., and Wittemeier, C. 2017. “Non-perturbative matching of HQET heavy-light axial and vector currents in N_f=2 lattice QCD.” in LATTICE2016, Vol. LATTICE2016 of Proceedings of Science Proceedings of Science.

2016

• Fritzsch, P., Garron, N., and Heitger, J. 2016. “Non-perturbative tests of continuum HQET through small-volume two-flavour QCD.” Journal of High Energy Physics 2016 (1): 1–44. doi: 10.1007/JHEP01(2016)093.
• Bulava, J., Della, Morte M., Heitger, J., and Wittemeier, C. 2016. “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 (11): 114513. doi: 10.1103/PhysRevD.93.114513.

2015

• Della, Morte M, Heitger, J, Simma, H, and Sommer, R. 2015. “Non-perturbative Heavy Quark Effective Theory: An application to semi-leptonic B-decays.” Nuclear and Particle Physics Proceedings 2015 (261-262): 368.
• Bulava, J., Morte, M., Heitger, J., and Wittemeier, C. 2015. “Non-perturbative improvement of the axial current in N<inf>f</inf>=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., and Simma, H. 2015. “B-meson spectroscopy in HQET at order 1/m.” Physical Review D - Particles, Fields, Gravitation, and Cosmology 92 (5). doi: 10.1103/PhysRevD.92.054509.

2014

• Bernardoni, F., Blossier, B., Bulava, J., Della Morte, M., Fritzsch, P., Garron, N., Gérardin, A., Heitger, J., von Hippel, G., Simma, H., and Sommer, R. 2014. “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., and Sommer, R. 2014. “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.
• Bulava, J., Della, Morte M., Heitger, J., and Wittemeier, C. 2014. “Non-perturbative improvement and renormalization of the axial current in N_f=3 lattice QCD.” in LATTICE 2014, Vol. LATTICE2014 of Proceedings of Science Proceedings of Science.
• Della Morte, M., Dooling, S., Heitger, J., Hesse, D., and Simma, H. 2014. “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 (5): 060. doi: 10.1007/JHEP05(2014)060.

2013

• Heitger, Jvon Hippel G, and Schaefer, SVirotta F. 2013. “Charm quark mass and D-meson decay constants from two-flavour lattice QCD.” in LATTICE 2013, Vol. LATTICE2013 of Proceedings of Science Proceedings of Science.
• Bulava, J, Della, Morte M, Heitger, J, and Wittemeier, C. 2013. “Determination of c_A in three-flavour lattice QCD with Wilson fermions and tree-level improved gauge action.” in LATTICE 2013, Vol. LATTICE2013 of Proceedings of Science Proceedings of Science.
• Bernardoni, B, Blossier, B, Bulava, J, Della, Morte M, Fritzsch, P, Garron, N, Gerardin, A, Heitger, J, von, Hippel G, Simma, H, and Sommer, R. 2013. “B-physics with N_f=2 Wilson fermions.” in LATTICE 2013, Vol. LATTICE2013 of Proceedings of Science Proceedings of Science.

2012

• Bernardoni, F., Blossier, B., Bulava, J., Della, Morte M., Fritzsch, P., Garron, N., Geradin, A., Heitger, J., von, Hippel G., and Simma, H. 2012. “B-physics from non-perturbatively renormalized HQET in two-flavour lattice QCD.” in QCD 12, Vol. 234 of Nuclear Physics B - Proceedings Supplements, edited by S. Narison. 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., and Sommer, R. 2012. “|V_ub| determination in lattice QCD.” in ICHEP 2012, Vol. ICHEP2012 of Proceedings of Science Proceedings of Science.
• Bernardoni, F., Blossier, B., Bulava, J., Della, Morte M., Fritzsch, P., Garron, N., Geradin, A., Heitger, J., von, Hippel G., Simma, H., and Sommer, R. 2012. “B-physics from HQET in two-flavour lattice QCD.” in LATTICE 2012, Vol. LATTICE2012 of Proceedings of Science Proceedings of Science.
• Blossier, B., Della, Morte M., Fritzsch, P., Garron, N., Heitger, J., Sommer, R., Simma, H., and Tanatalo, N. 2012. “Parameters of Heavy Quark Effective Theory from N_f=2 lattice QCD.” Journal of High Energy Physics 1209: 132.

2011

• Blossier, B., Bulava, J., Della, Morte M., Donnellan, M., Fritzsch, P., Garron, N., Heitger, J., von, Hippel G., Simma, H., and Sommer, R. 2011. “M_b and f_B from non-perturbatively renormalized HQET with N_f=2 light quarks.” in LATTICE 2011, Vol. LATTICE2011 of Proceedings of Science Proceedings of Science.

2010

• Heitger, J. 2010. “Towards precision heavy flavour physics from lattice QCD.” in Proceedings of the Third Workshop on Theory, Phenomenology and Experiments in Heavy Flavour Physics, Vol. 209 of Nuclear Physics B - Proceedings Supplements, edited by et al. Ricciardi. 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., and Sommer, R. 2010. “B meson spectrum and decay constant from N_f=2 simulations.” in LATTICE 2010, Vol. LATTICE2010 of Proceedings of Science Proceedings of Science.
• Della, Morte M., and Heitger, J. 2010. “Towards Precision B-physics from Non-Perturbative Heavy Quark Effective Theory.” in NIC Symposium 2010, Vol. 3 of IAS Series, edited by G. Münster, D. Wolf and M. Kremer. Forschungszentrum Jülich.
• Fritzsch, P., Heitger, J., and Tantalo, N. 2010. “Non-perturbative improvement of quark mass renormalization in two-flavour lattice QCD.” Journal of High Energy Physics 2010 (1008): 074. doi: 10.1007/JHEP08(2010)074.

2009

• Heitger, J., and Jüttner, A. 2009. “Lattice cutoff effects for f_Ds with improved Wilson fermions - a final lesson from the quenched case.” Journal of High Energy Physics 2009 (0905): 101. doi: 10.1088/1126-6708/2009/05/101.

2008

• Della, Morte M., Fritzsch, P., Meyer, H., Simma, H., Sommer, R., Takeda, S., Witzel, O., and Wolff, U. 2008. “Scaling test of two-flavor O(a)-improved lattice QCD.” Journal of High Energy Physics 2008 (0807): 037. doi: 10.1088/1126-6708/2008/07/037.
• Della, Morte M., Fritzsch, P., Heitger, J., and Sommer, R. 2008. “Non-perturbative quark mass dependence in the heavy-light sector of two-flavour QCD.” in LATTICE 2008, Vol. LATTICE2008 of Proceedings of Science Proceedings of Science.
• Heitger, J., von, Hippel G., Schaefer, S., Sommer, R., and Tantalo, N. 2008. “D_s physics from fine lattices.” in LATTICE 2008, Vol. LATTICE2008 of Proceedings of Science Proceedings of Science.
• Heitger, J. 2008. “Heavy quark masses from lattice QCD.” in Proceedings of the International Workshop on e+e- Collisions from Phi to Psi, Vol. 181+182 of Nuclear Physics B - Proceedings Supplements, edited by C. Bini and G. Venanzoni. Elsevier. doi: 10.1016/j.nuclphysbps.2008.09.031.
• Della, Morte M., Dürr, S., Guazzini, D., Heitger, J., Jüttner, A., and Sommer, R. 2008. “Heavy-strange meson decay constants in the continuum limit of quenched QCD.” Journal of High Energy Physics 2008 (0802): 078. doi: 10.1088/1126-6708/2008/02/078.

2007

• Della, Morte M., Fritzsch, P., Leder, B., Takeda, S., Witzel, O., Wolff, U., Meyer, H., Simma, H., and Sommer, R. 2007. “Preparing for N_f=2 simulations at small lattice spacings.” in LATTICE 2007, Vol. LAT2007 of Proceedings of Science, edited by et al. Bali. Proceedings of Science.
• Della, Morte M., Fritzsch, P., Heitger, J., Meyer, H., Simma, H., and Sommer, R. 2007. “Towards a non-perturbative matching of HQET and QCD with dynamical light quarks.” in LATTICE 2007, Vol. LAT2007 of Proceedings of Science, edited by et al. Bali. Proceedings of Science.
• Dimopoulos, P., Heitger, J., Palombi, F., Pena, C., Sint, S., and Vladikas, A. 2007. “Flavour symmetry restoration and kaon weak matrix elements in quenched twisted mass QCD.” Nuclear Physics B 2007 (B 776): 258. doi: 10.1016/j.nuclphysb.2007.03.051.
• Della, Morte M., Fritzsch, P., and Heitger, J. 2007. “Non-perturbative renormalization of the static axial current in two-flavour QCD.” Journal of High Energy Physics 2007 (0702): 079. doi: 10.1088/1126-6708/2007/02/079.

2006

• Dimopoulos, P., Heitger, J., Palombi, F., Pena, C., Sint, S., and Vladikas, A. 2006. “A precise determination of B_K in quenched QCD.” Nuclear Physics B 2006 (B 749): 69. doi: 10.1016/j.nuclphysb.2006.04.033.
• Guagnelli, M., Heitger, J., Pena, C., Sint, S., and Vladikas, A. 2006. “Non-perturbative renormalization of left-left four-fermion operators in quenched lattice QCD.” Journal of High Energy Physics 2006 (0603): 088. doi: 10.1088/1126-6708/2006/03/088.

2005

• Heitger, J., Jüttner, A., Sommer, R., and Wennekers, J. 2005. “Non-perturbative tests of HQET in small-volume quenched QCD.” in LATTICE 2004, Vol. 140 of Nuclear Physics B - Proceedings Supplements, edited by et al. Bodwin. Elsevier. doi: 10.1016/j.nuclphysbps.2004.11.313.
• Dimopoulos, P., Heitger, J., Pena, C., Sint, S., and Vladikas, A. 2005. “Precision computation of B_K in quenched lattice QCD.” in LATTICE 2004, Vol. 140 of Nuclear Physics B - Proceedings Supplements, edited by et al. Bodwin. Elsevier. doi: 10.1016/j.nuclphysbps.2004.11.368.
• Della, Morte M., Frezzotti, R., Heitger, J., Rolf, J., Sommer, R., and Wolff, U. 2005. “Computation of the strong coupling in QCD with two dynamical flavours.” Nuclear Physics B 2005 (713): 378. doi: 10.1016/j.nuclphysb.2005.02.013.

1995

• Heitger, J, and Münster, G. 1995. “Universal amplitude ratios in Ising systems from massive field theory.” in Proceedings of the International Symposium "Lattice 94", edited by Fet al Karsch. Amsterdam: North Holland.

1994

• Münster, G, and Heitger, J. 1994. “Field-theoretic calculation of the universal amplitude ratio of correlation lengths in 3D-Ising systems.” Nucl. Phys. B 424: 582.