Science Week 2014

Europe/Berlin
Large Seminar room E.0.11 (Max-Planck Institute for Astrophysics)

Large Seminar room E.0.11

Max-Planck Institute for Astrophysics

Karl-Schwarzschild-Strasse 1 85748 Garching
Andreas Burkert (USM), Andreas Müller (TUM), Stephan Paul (TU-München)
Description
For the 8th time, the Cluster hosts its annual 'Science Week'. From 1 December to 4 December 2014 Cluster scientists and invited guests will present their current research work in the fields of astrophysics, cosmology, particle and nuclear physics. The Science Week is an interdisciplinary event and directed to all scientists who want to gain insight into the current state of all Cluster research areas A-I. Everybody is welcome.

Program highlights
Monday, Dec 1, 17:15: Munich Physics Colloquium with Francoise Combes
Tuesday, Dec 2, 18:00: Conference dinner and poster session at MPA
Wednesday, Dec 3, 14:30: General Assembly of all Cluster members and elections
Thursday, Dec 4, all-day: Research Area Overview talks

The final program can be found on the left.

** No Registration for participants necessary **
** No Fees **

Scientific posters:
Please use the templates at the materials link only and register at andreas.mueller@universe-cluster.de (space is limited).

Venue:
New seminar room at MPI for Astrophysics, Karl-Schwarschild-Str. 1, Garching 
List of scientific posters
Poster template LaTeX
Poster template pdfLaTeX
Poster template ppt
Poster template pptx
Program (final)
    • 1
      Opening Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speakers: Andreas Burkert, Stephan Paul
    • 2
      Discovery of a new meson made from light quarks Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      COMPASS is a multi-purpose fixed-target experiment at the CERN Super Proton Synchrotron. It is aimed at studying the spectrum of hadrons using high-intensity hadron beams with energies of 190 GeV. One main goal is the search for new hadronic states. These states may have exotic properties interpreted as multi-quark configurations (e.g. molecule-like objects), excited gluonic field configurations (hybrids), or even purely gluonic bound states (glueballs). COMPASS has acquired large data sets using positive and negative hadron beams on various targets. The presentation of the first results from the analysis of these data sets focuses in particular on the finding of a possible new light-quark resonance with surprising properties.
      Speaker: Boris Grube (TUM)
      Slides
    • 3
      Search for R-parity violating supersymmetry at LHC Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      With the discovery of a light Higgs boson, the question of whether TeV-scale supersymmetry (SUSY) could solve the little hierarchy problem is more relevant than ever. This talk will provide an overview of searches by the ATLAS collaboration for SUSY in the case that R-parity is violated (RPV SUSY). In this case, the lightest supersymmetric particle (LSP) decays to standard model particles, either promptly or with a finite lifetime. For this reason, such scenarios could evade conventional searches that rely on a signature of large missing transverse momentum from a stable LSP. To recover sensitivity in this case, dedicated searches for events with high lepton and jet multiplicities are performed, as well as searches for new metastable particles. It is shown that the data collected by ATLAS in 2012 can strongly constrain a wide variety of RPV SUSY scenarios.
      Speaker: Max Goblirsch-Kolb (MPP)
      Slides
    • 4
      Cosmology on a cosmic ring Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We derive the modified Friedmann equations for a generalization of the DGP model, in which the brane has one additional compact dimension. The main new feature is the emission of gravitational waves into the bulk. If the compact dimension is stabilized, these waves vanish and one recovers DGP cosmology. However, a stabilization by means of physical matter is not possible for a tension-dominated brane, implying a late time modification of 4D cosmology different from DGP. For a freely expanding compact direction, we find attractor solutions with zero 4D Hubble parameter despite the presence of a 4D cosmological constant. The model hence constitutes an example of dynamical degravitation at the full nonlinear level. Without stabilization, however, there is no 4D regime and the model is ruled out observationally., as we demonstrate explicitly by comparing to supernova data.
      Speaker: Robert Schneider (LMU)
      Slides
    • 10:40 AM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 5
      Dilepton measurements at the LHC: the thermometer of the quark gluon plasma Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The goal of ultra-relativistic heavy-ion collisions at the LHC is to study the properties of the quark-gluon plasma (QGP), a phase of matter with partonic degrees of freedom. Electromagnetic radiation, in form of photons or lepton pairs, is a penetrating probe that allows the investigation of the full time evolution and dynamics of the produced matter, as it does not undergo strong interaction in the final state. The dilepton spectrum is extremely rich in physics sources: Thermal black-body radiation is of particular interest as it carries information about the QGP temperature. Modification of the spectral function of light vector mesons are linked to the potential restoration of chiral symmetry in the QGP phase. Correlated lepton pairs from semi-leptonic charm and beauty decays provide additional information about the heavy-quark energy loss. Furthermore, the suppression pattern of quarkonium states with different binding energies in a QGP gives access to an independent temperature measurement. In this talk, results on quarkonium suppression and low-mass dilepton measurements at RHIC and the LHC will be reviewed. Finally, an outlook for low-mass dilepton measurements with the ALICE experiment at the LHC will be given.
      Speaker: Torsten Dahms (TUM)
      Slides
    • 11:45 AM
      Lunch break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 6
      Results and issues of Higgs physics Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      A summary of the LHC experimental results about the Higgs boson will be presented: from the 2012 discovery of a new "Higgs-like" particle to the most recent measurements of its properties with the full Run-I dataset. The potential and the timeline of the next LHC data-taking period, in 2015 and beyond, will also be discussed.
      Speaker: Federico Sforza (MPP)
      Slides
    • 2:30 PM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 7
      PANSTARRS-M31 Cepheids: NIR-period luminosity relation and impact on H0 estimates Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We obtained the currently largest near-infrared Cepheid sample in the Andromeda Galaxy (M31). Despite of having random phased observations, the obtained period-luminosity relations (PLRs) have a very small dispersion. This remarkably small dispersion allows us to show that the PLRs are significantly better described by a broken slope at ten days than a linear slope. The Riess et al. (2012) M31 Cepheid sample is a subsample of our data, but our data gives a different PLR zero point if the same slope is used for both samples. That leads to an 3.2% larger Hubble constant H0 for our data. This result shows that sample selection influences the H0 estimation and begs the question how close we are to the 1% goal of determining H0.
      Speaker: Mihael Kodric (USM)
      Slides
    • 8
      Dynamical modelling of the Galactic Bulge: Mass and initial-mass function Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We construct Made-to-Measure dynamical models of the Milky Way's Box/Peanut bulge from the recently measured 3D density of Red Clump Giants (Wegg & Gerhard 2013) and the BRAVA kinematics. Starting from N-body models for barred disks in different dark matter halos we determine the total mass (stellar + dark matter) in the bulge region to be 1.84 10^10 Msun with unprecedented accuracy. We evaluate the mass-to-light and mass-to-clump ratios in the bulge and compare them to theoretical predictions from population synthesis models. We find a consistence with a Kroupa or Chabrier IMF and rule out the Salpeter IMF. To match predictions from the Zoccali IMF derived from the bulge stellar luminosity function requires 40% of dark matter in the bulge region.
      Speaker: Matthieu Portail (MPE)
    • 9
      The complex evolution of the galaxy star formation activity Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The evolution of the star formation activity and, thus, the assembly of the stellar content of galaxies remain at the heart of galaxy evolution studies. It is now rather well established that most galaxies form stars at a “normal” level, dictated mainly by their stellar mass and regulated by secular processes. This is seen as a main sequence (MS) in the star formation rate(SFR)-stellar mass plane. The normalization of this sequence declines with time since z~2. However, we do not yet fully understand the processes that control this evolution, nor how individual galaxies evolve relative to it. While the existence of a MS may seem to suggest a simple and universal mode of star formation in galaxies (on average), the deviations indicate a more complex relation between galaxy SFRs, gas reservoir, external and internal mechanisms triggering or halting star formation. In this context Paola will discuss in particular the role of the "environment quenching" as the main external mechanism able to suppress the galaxy star formation activity.
      Speaker: Paola Popesso (TUM)
      Slides
    • 10
      Supernova SN2014J - deeper insights by gamma-rays Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      On 21 Jan. 2014, SN2014J was discovered in M82 and found to be the closest type Ia supernova (SN Ia) in the last 4 decades. INTEGRAL started to observe 14J in the end of January and pointed to it until late June. SNe Ia lightcurves are powered by the radioactive decay of iron peak elements of which 56Ni is dominantly synthesized. Canonical models see 56Ni buried deeply in the SN cloud, absorbing most of the early gamma-rays. Only the consecutive decay of 56Co should be observable several months after the explosion. Nontheless, INTEGRAL detected 56Ni gamma-ray lines shortly after the explosion and also provided a first gamma-ray lightcurve from the 56Co decay. We will discuss deeper insights about the explosion morphology from the temporal evolution of 56Ni decay chain gamma-rays.
      Speaker: Thomas Siegert (MPE)
      Slides
    • 11
      Dark matter and galaxy formation Hörsaal H 030, Schellingstraße 4, München (Ludwig-Maximilians Universität)

      Hörsaal H 030, Schellingstraße 4, München

      Ludwig-Maximilians Universität

      Speaker: Francoise Combes (Observatoire de Paris, LERMA)
    • 12
      C2PAP Computing Cluster Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We provide an overview of the usage of the C2PAP compute cluster in the past year, highlighting several newly available features such as the high bandwidth connection to the SuperMUC GPFS, a fat node that is available to support web portals, and a preempt queue that allows for filler jobs when the cluster is underutilized that are immediately killed when new jobs appear in the queue. We also sketch the development work done to set up a job submission portal for the computer cluster.
      Speaker: Aliaksei Krukau (LRZ)
      Slides
    • 13
      C2PAP staff your friend and helper Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Fred will give an overview over a selected number of projects supported by the C2PAP staff members in 2014. This should give an impression of the kinds of services offered, and could spur new ideas for projects in 2015.
      Speaker: Frederik Beaujean (LMU)
      Slides
    • 14
      Lattice QCD at finite temperature using C2PAP Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We study static quark correlators at finite temperature in lattice QCD with 2+1 flavours of highly improved staggered fermions with physical masses in simulations using C2PAP. We discuss the requirements for lattice QCD simulations and summarise our experiences in running large parallel jobs on C2PAP using the MILC code for lattice QCD. We show our main results and present an outlook on the goals for an extension of the project into 2015.
      Speaker: Johannes Weber (TUM)
      Slides
    • 15
      A first look at galaxy populations with SPT and DES Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Christina Hennig (LMU)
      Slides
    • 10:30 AM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 16
      Universe PhD Awards 2014: Prize-giving ceremony Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Slides
    • 11:45 AM
      Lunch break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 17
      Black holes as quantum bound states Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We suggest a new approach to solve various puzzles arising in quantum field theory in curved spacetime. In this approach we view Minkowski spacetime as the only fundamental vacuum. Any other background should be resolved as quantum bound state of gravitons. Classical results, in particular the notion of spacetime geometry, are recovered in the limit of an infinite constituent number. For a finite number of gravitons, we find corrections to semi-classical expectations. We argue that these corrections could be the key for solving all black hole mysteries. Using methods inspired by non-perturbative QCD, we compute observables such as the particle density and energy density inside a black hole. This leads to simple scaling relations between the mass and total particle number. Furthermore, we show how these observables can be embedded naturally in scattering processes. Thus, the information about the internal structure of a black hole is at least in principle accessible to an observer outside the black hole. We conclude with a short summary and give an outlook for future research.
      Speaker: Tehseen Rug (LMU)
      Slides
    • 18
      Electroweak SUSY searches: the LHC and beyond Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The LHC has been tremendously successful in pushing the limits on SUSY particle (sparticle) masses towards the TeV scale, particularly for coloured sparticles. As the production of electroweak sparticles (electroweakinos) is suppressed, the LHC is in principle less sensitive to them. However, as the bounds on the coloured sector become stronger, these channels become increasingly interesting. Moreover, constraints on the SUSY electroweak sector are particularly important for the study of dark matter (DM), as the lightest neutralino is a potential DM candidate. Aoife will review the limits on electroweak particles from the LHC, concentrating on chargino-neutralino production the limits on which require careful interpretation, and the relation of monojet searches to dark matter experiments. She will further discuss how the current limits will be improved by the LHC at 14 TeV and future colliders.
      Speaker: Aoife Bharucha (TUM)
      Slides
    • 19
      Near-infrared light curves of type Ia supernovae: Studying properties of the second maximum Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Type Ia supernovae have been proposed as much better distance indicators at near-infrared compared to optical wavelengths – the e ect of dust extinction is expected to be lower and it has been shown that SNe Ia behave more like ‘standard candles’ at near-infrared wavelengths. To better understand the physical processes behind this increased uniformity, we have studied the Y, J and H -filter light curves of 91 SNe Ia from the literature.We show that the phases and luminosities of the first maximum in the near-infrared light curves are extremely uniform for our sample. The phase of the second maximum, the late-phase near-infrared luminosity and the optical light curve shape are found to be strongly correlated, in particular more luminous SNe Ia reach the second maximum in the near-infrared filters at a later phase compared to fainter objects. The decline rate after the second maximum is very uniform in all near-infrared filters. We also find a strong correlation between the phase of the second maximum and the epoch at which the SN enters the lira law phase in its optical colour curve (referred to a tL). We suggest that these observational parameters are linked to the nickel and iron mass in the explosion, providing evidence that the amount of nickel synthesised in the explosion is the dominating factor shaping the optical and near-infrared appearance of SNe Ia.
      Speaker: Suhail Dhawan (ESO)
      Slides
    • 3:00 PM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 20
      First solar pp neutrino measurement with Borexino Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      For the first time, the Borexino experiment in the Gran Sasso National Laboratory directly detected neutrinos which are emitted by the thermo-nuclear fusion process of two protons in the Sun (nature, issue Sep 2014). Lothar will report on background identification and suppression which was necessary for this measurement. The results are compared with the expected neutrino fluxes and the actual values of neutrino oscillation parameters. Finally, future aspects of Borexino will be discussed.
      Speaker: Lothar Oberauer (TUM)
      Slides
    • 21
      Direct dark matter search with the CRESST experiment Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The CRESST-II (Cryogenic Rare Event Search with Superconducting Thermometers) dark matter search aims at the direct detection of WIMPs (Weakly Interacting Massive Particles) via elastic scattering off nuclei in CaWO4 crystals operated as low-temperature detectors. In a previous measuring campaign from 2009 to 2011 an excess of events over background possibly induced by low-mass WIMPs was recorded. Since this result along with similar indications by other direct searches has generated a tension between experiments with null result (e.g., XENON or LUX), CRESST has started a new data taking campaign in May 2013 with the goal to clarify the situation. In this run a newly developed fully scintillating detector design using CaWO4 crystals produced in Garching has been employed for the first time. Preliminary results of this data taking campaign allow already to set a limit on spin-independent WIMP-nucleon scattering which probes a new region of parameter space for WIMP masses below 3 GeV/c2, previously not covered by any direct detection search. In addition, the previously seen excess over background has not been confirmed.
      Speaker: Jean-Come Lanfranchi (TUM)
      Slides
    • 22
      eROSITA: A global view of the hot Universe Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the core instrument on the Russian Spektrum-Roentgen-Gamma (SRG) mission which is current scheduled for launch in 2016. eROSITA will perform a deep survey of the entire X-ray sky. In the soft band (0.5-2 keV), it will be about 30 times more sensitive than ROSAT, while in the hard band (2-8 keV) it will provide the first ever true imaging survey of the sky. The design driving science is the detection of large samples of galaxy clusters, in order to study the large scale structure in the Universe and test cosmological models including Dark Energy. In addition, eROSITA is expected to yield a sample of around 3 million active galactic nuclei, which is bound to revolutionize our view of the evolution of supermassive black holes and their impact on the process of structure formation in the Universe. The survey will also provide new insights into a wide range of astrophysical phenomena, including isolated Neutron Stars and Black Holes, X-ray binaries, active stars and diffuse emission within the Galaxy, as well as more exotic ones such as gamma-ray bursts, tidal disruption of stars in galactic nuclei and binary black holes. In this talk I will review the current mission status and discuss the major scientific goals of the project.
      Speaker: Andrea Merloni (MPE)
      Slides
    • 23
      Effective theory for new physics in the Higgs sector Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The discovery of the Higgs boson at the LHC strongly validates the Standard Model as the low-energy theory of the electroweak interactions. However, the nature of the mechanism triggering electroweak symmetry breaking (EWSB) remains unresolved, all the more so since no traces of new physics have been detected so far. In this talk Oscar will discuss the possibility that EWSB is driven by a strongly-coupled new physics sector, and how this would manifest itself at low energies. In particular, he will cover in considerable detail the systematics (and subtleties) of the EFT associated with these scenarios. As applications, Oscar will discuss gauge-boson pair production and h -> Z e+e- up to next leading order.
      Speaker: Oscar Cata (LMU)
    • 24
      Lattice calculation of static quark correlators at finite temperature Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      We compute static quark correlators in lattice QCD and study the free energy of static quarks in the thermal medium. We use state-of-the-art simulations with 2+1 flavours of highly improved staggered fermions with physical quark masses. We calculate the thermal modification of the potential, the range-dependent effective coupling and the electric screening mass. Our results are in good agreement with predictions from perturbation theory at short distances.
      Speaker: Johannes Weber (TUM)
      Slides
    • Reception and poster session Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 25
      Searches for heavy long-lived charged particles at LHC Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      A short review of the theoretical motivations for searches for stable massive particles along with an overview on the experimental status will be given.
 As an example, a search for heavy long-lived charged particles with the ATLAS detector will be highlighted and latest results presented.
      Speaker: Sascha Mehlhase (LMU)
      Slides
    • 26
      Riddles in the dark, answers in the light: Type Ia supernovae progenitors and high-resolution-spectroscopy Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Type Ia supernovae are very luminous transients that are used as cosmological standard candles for measuring distances on a cosmic scale. It is widely accepted that they are the thermonuclear explosion of carbon-oxygen white-dwarf stars in close binary system. Despite numerous studies, the nature of the companion star remains uncertain and under much debate. A main discriminant between the proposed progenitor models is the predicted circumstellar environment in which the white-dwarfs are embedded at the time of their explosion. Therefore, studying the circumstellar environment of type Ia supernovae can help us validate which progenitor channel, or channels, can lead to these brilliant events. High-resolution spectroscopy is currently the most promising method with which one can probe the circumstellar material on the line-of-sight to a type Ia supernova, using the supernova as a back-light. In this talk Assaf will present an overview of the high-spectral-resolution studies that have been performed in recent years, what we have learned from them, and what we can do in the future to get us closer to solving the long standing type Ia supernova progenitor mystery.
      Speaker: Assaf Sternberg (TUM)
      Slides
    • 27
      Search for supernova-ejected radionuclides in terrestrial and lunar reservoirs Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Supernova explosions eject copious amounts of material into the interstellar medium. It is possible that supernova ejecta are incorporated into solar system reservoirs. The method of choice for the search for such a signature is accelerator mass spectrometry (AMS), since it allows for the detection of minute concentrations of long-lived radioisotopes such as 53Mn and 60Fe. For searches on Earth, especially 60Fe is especially well suited, since it has only very low terrestrial background. Results from two studies will be presented: The first part will focus on a search for 60Fe in Pacific Ocean marine sediment. A newly developed chemical extraction method was used to target specifically magnetofossils, chains of magnetite crystals produced by magnetotactic bacteria, preventing signal dilution. The advantage of using slow-growing sediments is the preservation of the temporal signature of possible supernova deposition. In the second part, results from a study of 53Mn and 60Fe in lunar samples will be presented. For this purpose, samples from the missions Apollo 12, 15, and 16 were analyzed, in combination with a set of meteoritic samples to estimate background due to galactic cosmic rays. Although the lunar surface does not provide a time-resolved signal due to the lack of sedimentation, one of the big advantages is the possibility to determine the local interstellar fluence of 60Fe at the time of deposition. All measurements were preformed at the AMS facility GAMS at the Maier-Leibnitz-Laboratory in Garching.
      Speaker: Peter Ludwig (TUM)
    • 10:30 AM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 28
      Recent highlights in quark flavour physics Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Flavour physics is a very powerful tool to test the Standard Model of particle physics (SM) and to search for new physics (NP). It can probe very short distance scales that are beyond the direct reach of the LHC without directly producing new heavy particles. In this talk Jennifer will first give a short introduction to flavour physics and then outline a strategy how to find NP with the help of flavour physics. Correlations between certain observables in different NP models play here a key role. With its rich phenomenology the flavour sector can help us to disentangle different models beyond the SM. This is demonstrated with some concrete examples, like correlations between B_{s,d} --> \mu^+\mu^-, B\to K^{(*)}\ell^+\ell^-$ and $B\to K^{(*)}\nu\bar\nu$. The question what is the highest resolution that we can get with flavour physics is also addressed.
      Speaker: Jennifer Girrbach-Noe (TUM-IAS)
      Slides
    • 29
      Search for sterile neutrinos with SOX Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The SOX project aims at conclusively probing the existence of eV-scale sterile neutrinos, which is hinted at by experiments with neutrinos from accelerators (LSND and MiniBoone), radioactive sources (Gallex and SAGE), and reactors (reactor-anomaly). An anti-neutrino source (Ce-144, 100 kCi) will be placed underneath the Borexino detector to perform a background-free measurement of the anti-neutrino interaction rate. The sought-after signature of sterile neutrinos is an oscillatory pattern in the rate as a function of the neutrino energy and travelled distance. The data taking will start in the fall of 2015 and the final results will be extracted after 1.5 years of operations.
      Speaker: Matteo Agostini (TUM)
      Slides
    • 11:45 AM
      Lunch break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 30
      Highlight talk: Where are we going? Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      The discovery of a Higgs boson at the LHC raises (almost) as many questions as it answers. Is it an elementary particle, or composite? Are there other Higgs bosons? Is the vacuum stable? Are there other particles at the TeV scale waiting to be discovered at the LHC or in dark matter experiments? This talk will answer none of these questions.
      Speaker: John Ellis (CERN)
      Slides
    • Annual General Assembly of all Cluster members Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Conveners: Andreas Burkert (LMU), Stephan Paul (TUM)
      MIAPP slides
    • 31
      Overview Research Area A Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Ilka Brunner (LMU)
    • 32
      Overview Research Area B Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speakers: Dorothee Schaile (LMU), Wolfgang Hollik (MPP)
      Slides
    • 10:30 AM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 33
      Overview Research Area E Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Hans Boehringer (MPE)
      Slides
    • 11:45 AM
      Lunch break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 34
      Overview Research Area D Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Siegfried Bethke (MPP)
      Slides
    • 35
      Overview Research Area C Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Elisa Resconi (TUM)
      Slides
    • 3:00 PM
      Coffee break Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
    • 36
      Overview Research Area I: C2PAP Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Joseph Mohr (LMU)
      Slides
    • 37
      Overview Research Area G Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching
      Speaker: Roland Diehl (MPE)
      Slides
    • End of Science Week 2014 Large Seminar room E.0.11

      Large Seminar room E.0.11

      Max-Planck Institute for Astrophysics

      Karl-Schwarzschild-Strasse 1 85748 Garching