# The 33rd International Symposium on Lattice Field Theory (Lattice 2015)

14-18 July 2015
Kobe International Conference Center
Asia/Tokyo timezone
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# Plenary Session

## Place

Location: Kobe International Conference Center
Address: 6-9-1 Minatojima-nakamachi, Chuo-ku, Kobe, Hyogo 650-0046, Japan
Date: from 14 Jul 09:00 to 18 Jul 16:45

## Conveners

• 14 Jul 09:00 - 10:30 Conference Opening
• de Forcrand, Philippe
• 14 Jul 11:00 - 12:30
• Golterman, Maarten
• 15 Jul 09:00 - 10:30
• Gottlieb, Steven
• 15 Jul 11:00 - 12:30
• Aoki, Sinya
• 17 Jul 09:00 - 10:30
• Suzuki, Hiroshi
• 17 Jul 11:00 - 12:30
• Sommer, Rainer
• 18 Jul 13:00 - 14:45
• Kanaya, Kazuyuki
• 18 Jul 15:15 - 16:45 Conference Closing
• Christ, Norman

## Timetable | Contribution List

Displaying 18 contributions out of 18
Type: Talk Session: Plenary Session
Track: Physics Beyond the Standard Model
The discovery of the Higgs boson in 2012 completed the Standard Model but many puzzles remain. Composite systems where the Higgs boson is a bound state of some new fermion species are viable models to describe beyond-SM phenomenology, but are most likely strongly coupled and require non-perturbative investigations. In this talk I will review recent lattice calculations that investigate general pr ... More
Presented by Dr. Anna HASENFRATZ on 18/07/2015 at 06:45
Type: Talk Session: Plenary Session
Track: Theoretical Developments
There has been a longstanding debate if the chiral phase transition in two-flavor massless QCD is the first order or the second order. The previous arguments based on epsilon expansions, large N expansions, functional renormalization group, and Monte-Carlo simulations had been all inconclusive with shortcomings. If it were the second order phase transition, there should exist a corresponding three ... More
Presented by Dr. YU NAKAYAMA on 14/07/2015 at 01:00
Type: Talk Session: Plenary Session
Track: Nonzero Temperature and Density
Fluctuations of conserved charges in a grand canonical ensemble can be calculated as derivatives of the free energy with respect to the respective chemical potential. They are directly related to experimentally available observables that describe the hadronization in heavy ion collisions. The same derivatives can be used to extrapolate zero density results to finite chemical potential. We review t ... More
Presented by Dr. Szabolcs BORSANYI on 18/07/2015 at 04:45
Type: Talk Session: Plenary Session
Here we review the progress made in understanding the internal structure of hadrons in terms of the gluonic and quark constituents. Recent results for standard observables such as the nucleon axial charge, electromagnetic form factors and quark momentum fraction will be summarised, before turning our attention to more challenging quantities, including quark disconnected contributions and so-called ... More
Presented by Dr. James ZANOTTI on 15/07/2015 at 00:00
Type: Talk Session: Plenary Session
on 15/07/2015 at 02:00
Type: Talk Session: Plenary Session
There has been much progress in studies of the physics of low energy, precision observables in the flavor neutral sector using Lattice QCD, especially on the lepton anomalous magnetic moments ($g-2$) and nucleon electric dipole moments. The current status of these studies is reviewed, and remaining challenges and new ideas are discussed.
Presented by Taku IZUBUCHI on 14/07/2015 at 11:45
Type: Talk Session: Plenary Session
Track: Physics Beyond the Standard Model
Circa 95% of the universe is made of unknown forms of matter and energy, while to describe the remaining 5% one needs at least three fundamental forces, i.e. Quantum Electrodynamics, Weak Interactions and Quantum Chromo Dynamics (QCD). Furthermore strong interactions are responsible for creating the bulk of the bright mass, i.e. the 5%. It is therefore natural to expect that to correctly describe ... More
Presented by Prof. Francesco SANNINO on 17/07/2015 at 00:45
Type: Talk Session: Plenary Session
For quite some time now simulations of lattice QCD have allowed for predicting a basic set of light flavour quantities reliably and with increasingly high precision. The field has started to move on: Advances in field theory, algorithms and computing for the first time allow to address more complicated problems like for example hadronic and rare kaon decays, the kaon mass-difference or the concept ... More
Presented by Dr. Andreas JUETTNER on 15/07/2015 at 00:45
Type: Talk Session: Plenary Session
The anomalous magnetic moment (g-2) of the electron has played the central role in testing the validity of quantum electrodynamics (QED) as well as the standard model of particle physics. The test has been further improved, which was made possible by the complete evaluation of the tenth-order term in the perturbation theory of QED, together with the latest measurement of the electron g-2 by the Ha ... More
Presented by Dr. Tatsumi AOYAMA on 14/07/2015 at 02:00
Type: Talk Session: Plenary Session
In this talk, we discuss the status and future prospect in B physics, focusing on the SuperKEKB/Belle II experiment at KEK, with the target peak luminosity of 8 \times 10^35 cm^-2s^-1. This enables us to study decays of heavy flavor particles, B and D mesons as well as \tau leptons, at the order of O(10^10) per year, and to search for New Physics through processes sensitive to presence of virtual ... More
Presented by Prof. Toru IIJIMA on 17/07/2015 at 02:00
Type: Talk Session: Plenary Session
I will review recent progress in lattice computations relevant for B- and charm physics. Emphasis will be put on the interplay with the upcoming new generation of experimental results.
Presented by Prof. Carlos PENA on 17/07/2015 at 02:45
Type: Talk Session: Plenary Session
Track: Nonzero Temperature and Density
I will review the status of calculations of thermodynamics quantities, spatial correlation lengths and real-time properties of strongly interacting matter at non-zero temperature. An attempt at a synthesis will be made. Quark number susceptibilities will not be covered here.
Presented by Prof. Harvey MEYER on 18/07/2015 at 04:00
Type: Talk Session: Plenary Session
Track: Physics Beyond the Standard Model
Non-perturbative investigations of supersymmetry and superstring theory through lattice simulations are promising research directions. In this talk, I will review the recent progress in lattice supersymmetry, in particular, the numerical verification of the gauge/gravity duality.
Presented by Dr. Daisuke KADOH on 18/07/2015 at 06:15
Type: Talk Session: Plenary Session
Track: Chiral Symmetry
I review recent progress achieved on the lattice in the understanding of chiral symmetry breaking in QCD. Emphasis is given to recent computations of the spectral density of the Dirac operator and of the topological susceptibility.
Presented by Prof. Leonardo GIUSTI on 14/07/2015 at 00:15
Type: Talk Session: Plenary Session
Track: Weak Decays and Matrix Elements
We discuss our recent publication [arXiv:1505.07863] of the first lattice QCD calculation of the complex kaon decay amplitude A_0 with physical kinematics, using a single 32^3 x 64 domain wall ensemble with G-parity spatial boundary conditions. We obtain approximate agreement with the experimental value for Re(A_0), which serves as a test of our method. Our prediction of Im(A_0) can be used to com ... More
Presented by Dr. Christopher KELLY on 15/07/2015 at 03:00
Type: Talk Session: Plenary Session
Track: Nonzero Temperature and Density
In this talk I will review the proposal to formulate quantum field theories (QFTs) on a Lefschetz thimble, which was put forward to enable Monte Carlo simulations of lattice QFTs affected by a sign problem. First I will review the theoretical justification of the approach, and comment on some open issues. Then, I will review the algorithms that have been proposed and are being tested to represent ... More
Presented by Dr. Luigi SCORZATO on 18/07/2015 at 05:15
Type: Talk Session: Plenary Session