Particle Physics at the University of Graz

Transcription

1 Particle Physics at the University of Graz Axel Maas 7th of October 2016 Vienna Austria

2 Graz Graz 2nd largest city (280k) Five universities [G. de Grancy, Wikipedia]

3 Graz Graz 2nd largest city (280k) Five universities Physics at University and Technical University of Graz About 15 full professors 200 physics & 160 teacher starters per year Common bachelor education Integrated master courses from fall 2017 Long-range plan: One Graz Center of Physics [G. de Grancy, Wikipedia]

4 Graz Graz 2nd largest city (280k) Physics at University and Technical University of Graz About 15 full professors 200 physics & 70 teacher starters per year Common bachelor education Integrated master courses from fall 2017 Five universities Long-range plan: One Graz Center of Physics Research foci: Nanophysics and quantum materials, astrophysics and geophysics, didactics, particle physics [G. de Grancy, Wikipedia]

5 Particle Physics in Graz - Outline 3 full professors Reinhard Alkofer, Christof Gattringer, Axel Maas Axel Maas as successor to Christian Lang in associated professors Leonid Glozman, Helmut Gausterer, Wolfgang Schweiger 2 independent junior research groups Markus Huber, Helios Sanchis-Alepuz 2 postdocs 13 PhD students

6 Particle Physics in Graz - Outline 3 full professors Reinhard Alkofer, Christof Gattringer, Axel Maas Axel Maas as successor to Christian Lang in associated professors Leonid Glozman, Helmut Gausterer, Wolfgang Schweiger 2 independent junior research groups Markus Huber, Helios Sanchis-Alepuz 2 postdocs 13 PhD students Largest theoretical particle physics center at a single institute in Austria Located at University of Graz

7 Particle Physics in Graz - Outline FWF graduate school Hadrons in vacuum, nuclei, and stars At maximum runtime Until end of 2017 (last PhD students finishing in 2018) Continued as a doctoral academy of the University starting EU COST networks Theory of hot matter and relativistic heavy-ion collisions (THOR) Cosmology and Astrophysics Network for Theoretical Advances and Training Actions (CANTATA) Many other projects World-wide collaborations Currently 15 institutes in 8 countries

8 Research Topics Particle Physics at all scales Structure of QCD as a field theory (3) Hadrons (4) Formfactors and PDFs (3) QCD Phase diagram (4) Higgs and electroweak physics (1) BSM physics (2) (Strongly-interacting) Dark Matter (2)

9 Research Topics Particle Physics at all scales Structure of QCD as a field theory (3) Hadrons (4) Formfactors and PDFs (3) QCD Phase diagram (4) Higgs and electroweak physics (1) BSM physics (2) (Strongly-interacting) Dark Matter (2) Common ground: Non-perturbative physics

10 Structure of QCD as a field theory

11 Structure of QCD as a field theory Basic questions addressed What is confinement and how is it related to chiral symmetry breaking? What are the underlying symmetries? [M. Denissenya et al. PRD'15]

12 Structure of QCD as a field theory Basic questions addressed What is confinement and how is it related to chiral symmetry breaking? What are the underlying symmetries? How are these questions related to the properties of quarks and gluons? [M. Denissenya et al. PRD'15] [A. Maas Phys. Rep'13]

13 Structure of QCD as a field theory Basic questions addressed What is confinement and how is it related to chiral symmetry breaking? What are the underlying symmetries? How are these questions related to the properties of quarks and gluons? [M. Denissenya et al. PRD'15] The Gribov-Singer ambiguity [A. Maas Phys. Rep'13] [A. Maas, Confinement'16]

14 Structure of QCD as a field theory Basic questions addressed What is confinement and how is it related to chiral symmetry breaking? What are the underlying symmetries? How are these questions related to the properties of quarks and gluons? The Gribov-Singer ambiguity Methods: Dyson-Schwinger equations, lattice [M. Denissenya et al. PRD'15] Alkofer, Glozman, Huber, Maas [A. Maas Phys. Rep'13] [A. Maas, Confinement'16]

15 Hadrons and form-factors

16 Hadrons and form-factors Structure of baryons Recent review: Prog. Nuc. Part. Phys. '16 Mass spectrum [C. Fischer et al., PNPP'16]

17 Hadrons and form-factors Structure of baryons Recent review: Prog. Nuc. Part. Phys. '16 Mass spectrum (Electromagnetic) Formfactors [C. Fischer et al., PNPP'16] [S. Kofler et al., PRD'15]

18 Hadrons and form-factors Structure of baryons Recent review: Prog. Nuc. Part. Phys. '16 Mass spectrum (Electromagnetic) Formfactors Generalized PDFs [C. Fischer et al., PNPP'16] [S. Kofler et al., PRD'15] [W. Schweiger et al.]

19 Hadrons and form-factors Structure of baryons Recent review: Prog. Nuc. Part. Phys. '16 Mass spectrum (Electromagnetic) Formfactors Generalized PDFs Mesons and weak decays Field-theoretic description [C. Fischer et al., PNPP'16] [S. Kofler et al., PRD'15] [W. Schweiger et al.]

20 Hadrons and form-factors Structure of baryons Recent review: Prog. Nuc. Part. Phys. '16 Mass spectrum (Electromagnetic) Formfactors Generalized PDFs Mesons and weak decays Field-theoretic description Methods: Dyson-Schwinger equations, quark models, coupled channel analysis Alkofer, Maas, SanchisAlepuz, Schweiger [C. Fischer et al., PNPP'16] [S. Kofler et al., PRD'15] [W. Schweiger et al.]

21 QCD phase diagram

22 QCD phase diagram Heavy-ion physics Temperature-dependent correlation functions [M. Huber et al.]

23 QCD phase diagram Heavy-ion physics Temperature-dependent correlation functions Thermodynamic quantities Especially (quark) susceptibilities Accessible in experiments Method development [M. Huber et al.] Density-of-states approach [M. Giuliani et al. '16]

24 QCD phase diagram Heavy-ion physics Temperature-dependent correlation functions Thermodynamic quantities Accessible in experiments Method development Especially (quark) susceptibilities [M. Huber et al.] Density-of-states approach Methods: Dyson-Schwinger equations, lattice Gattringer, Huber [M. Giuliani et al. '16]

25 QCD phase diagram

26 QCD phase diagram Neutron star and CBM physics Method development Dual formulation of lattice theories [C. Gattringer et al.'16]

27 QCD phase diagram Neutron star and CBM physics Method development Dual formulation of lattice theories QCD-like theories as role models and benchmarks 2-color QCD G2 QCD [C. Gattringer et al.'16] Neutron stars in QCD-like theories [O. Hajizadeh et al.'16]

28 QCD phase diagram Neutron star and CBM physics Method development QCD-like theories as role models and benchmarks 2-color QCD G2 QCD Dual formulation of lattice theories [C. Gattringer et al.'16] Neutron stars in QCD-like theories Methods: Dyson-Schwinger equations, lattice Gattringer, Glozmann, Huber, Maas [O. Hajizadeh et al.'16]

29 Non-QCD physics

30 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory [A. Maas et al. PRD'15]

31 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory Experimental predictions [A. Maas et al. PRD'15] [L. Egger et al.]

32 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory Experimental predictions [A. Maas et al. PRD'15] BSM physics Strongly-interacting new sectors [L. Egger et al.] [M. Hopfer et al. JHEP'14]

33 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory Experimental predictions [A. Maas et al. PRD'15] BSM physics Strongly-interacting new sectors Spectroscopy New constraints in model building [L. Egger et al.] [M. Hopfer et al. JHEP'14] [A. Maas et al.'16]

34 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory Experimental predictions [A. Maas et al. PRD'15] BSM physics Strongly-interacting new sectors Spectroscopy New constraints in model building [L. Egger et al.] Dark matter Strongly-interacting dark matter [M. Hopfer et al. JHEP'14] [A. Maas et al.'16]

35 Non-QCD physics Higgs physics Field-theoretical foundations Gauge-invariant perturbation theory Experimental predictions BSM physics Strongly-interacting new sectors Spectroscopy New constraints in model building [L. Egger et al.] Dark matter [A. Maas et al. PRD'15] Strongly-interacting dark matter [M. Hopfer et al. JHEP'14] Methods: Dyson-Schwinger equations, lattice, perturbation theory Alkofer, Maas [A. Maas et al.'16]

36 Graz is a center for particle physics

37 Graz is a center for particle physics Wide and varied activities in particle physics Hadrons physics, QCD phase diagram, Higgs and BSM physics, astroparticle physics

38 Graz is a center for particle physics Wide and varied activities in particle physics Hadrons physics, QCD phase diagram, Higgs and BSM physics, astroparticle physics Common link: Non-perturbative physics From foundations of quantum gauge theories to phenomenology

39 Graz is a center for particle physics Wide and varied activities in particle physics Common link: Non-perturbative physics Hadrons physics, QCD phase diagram, Higgs and BSM physics, astroparticle physics From foundations of quantum gauge theories to phenomenology Structured surroundings Doctoral school Embedded in national and international networks and collaborations

40 Advertisment 55th International Winter School on Theoretical Physics Bound States and Resonances 13th-17th of Februrary 2017 Lecturers: I. Belyaev, C. Fischer, C. Pica, S. Prelovsek, R. Roth, A. Szczepaniak Admont, Styria, Austria St. Goar 2017 Bound States in QCD and Beyond II 20th-23rd of February 2017 St. Goar, Germany Official announcement coming soon!