Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 ·...
Transcript of Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 ·...
![Page 1: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/1.jpg)
Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 presented by Günter Sigl, University of Hamburg
1
![Page 2: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/2.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics 2
WP2 acceleration
WP1 propagation
WP1 detection
WP3 non-acceleration
![Page 3: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/3.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
The detailed tasks: Work Packages
• WP1: Propagation and Detection (G.Sigl) – galactic cosmic rays: GALPROP, DRAGON – extragalactic cosmic rays: CRPropa+Galaxy – air showers, LHC input for cross sections
• WP2: Particle-Acceleration Sources (M.Pohl) – analytical+numerical models, plasma physics – link to gamma-ray and neutrino observations
• WP3: Dark Matter and Non-Acceleration (M.Klasen) – predictions of relic densities, direct and indirect
signatures
3
![Page 4: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/4.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
Global Goals
• achieving strong collaboration between the German theory groups
• provide a common platform for multi-messenger astroparticle physics
• provide a base for interpreting data of all experiments involved in the Alliance
• strengthen the links with astronomy, astrophysics and particle physics
4
![Page 5: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/5.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
• work on a more modular version, CRPropa 3.0, is close to completion (collaboration between Aachen, Hamburg and Wuppertal), https://crpropa.desy.de/CRPropa3
• detailed model fits to Pierre Auger data within the Monte Carlo-Astrophysics task in the Pierre Auger collaboration
• PROPOSAL algorithm for lepton propagation completed for all charged leptons, used in IceCube analysis chain
• detailed works on the small scale structure of primordial magnetic fields
• galactic cosmic ray propagation in structured magnetic fields, relevance for anisotropies (collaboration with APC)
5
milestones achieved:
![Page 6: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/6.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
• fundamental calculations and tests of Lorentz symmetry violations
• CASPAR coding workshop held in Hamburg 15.-19.9.2014, ca. 20 students working on DRAGON (galactic CR), CRPropa (extragalactic CR), DarkSUSY (dark matter), and gamma-astrophysics
• CASPAR workshop on galactic and extragalactic cosmic rays held in Hamburg 10.-19.9.2013, new collaborations started
• successful code retreat 12.-14.9.2012 in Zeuthen, new collaborations started
6
milestones achieved (continued):
![Page 7: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/7.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
7
modularized propagation code CRPropa 3.0:
Module List
Magnetic fieldTabulated data
SourceModel
Infrared backgroundRadio background...
Check isActive ?
Galacticlensing
SpectrumEvolutionDirection Composition...
External librariesSOPHIADINT...
UniformGrid...
Candidate
Deflection
Observer
Boundary Output
Interaction
position, type, ...isActive?
![Page 8: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/8.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
8
CRPropa 3d Simulations: Combine Anisotropy with Spectrum and Composition
can considerably strengthen constraints on source characteristicsand distributions
see poster on CRPropa and astrophysical scenarios
![Page 9: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/9.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
9
TeV scale cosmic ray anisotropies observed by IceCube and other experiments:
0 +360
0.94 0.96 0.98 1 1.02 1.04 1.06 1.08can be explained by propagation in structured magnetic fields: diffusion approximation breaks down within one magnetic scattering length from the observerG. Giacinti, G. Sigl, Phys. Rev. Lett. 109 (2012) 071101
simulated relative intensity
![Page 10: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/10.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP1: Propagation and Detection
Next Steps:
• extend physics of and couple existing codes: GALPROP, DRAGON (-> poster), CRPropa, UHECR propagation in galactic magnetic fields, PROPOSAL
• implement more detailed models of the infrared background and extragalactic magnetic fields (collaboration with cosmologists)
• extend PROPOSAL algorithm to neutrals, adapt to GPUs • improve air shower simulations, use LHC input for more
reliable composition determination, quantify theoretical uncertainties
10
![Page 11: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/11.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
• theory of acceleration involves many orders of magnitude in length scale
11
Baring
Plasma Astrophysics Effects:
• Weibel Instability • Bell instability • Plasma wake-field Acceleration
in high Poynting flux outflows
Energy Loss Processes:
• electromagnetic radiation • interactions
review Bykov et al., “Particle Acceleration in relativistic outflows”, Space Science review 173 (2012) 309
![Page 12: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/12.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
12
Active Galactic NucleiAGN jets are large-scale magnetic structures How are the small-scale emission zones formed ?
Kinetic PIC simulations of shear layers in jets -> small-scale magnetic fields
By component: e-p plasma e+-e--plasma
Consequences for shear acceleration Can we distinguish?
![Page 13: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/13.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
13
Active Galactic Nuclei:
2-D spatially-resolved modeling:
• Localized acceleration
• Self-consistent escape
• Self-consistent spectral evolution
• All light-travel-time effects
![Page 14: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/14.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
14
Supernova Remnants:Time-dependent transport of magnetic power spectrum Ew
Solved in parallel with hydrodynamic evolution and cosmic-ray transport Drastically changes particle spectra compared to Bohm assumption (red below)
![Page 15: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/15.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
15
Supernova Remnants:
PIC simulations of Bell‘s non-resonant instability
New: also spatial gradients considered. à No periodic boundaries
Realistic assessment of saturation and cosmic-ray acceleration rate
elec.
CR-el
ions
px
py
A plasma shock in the cosmic-ray precursor?
![Page 16: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/16.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP2: Acceleration Sources
Next Steps:
• model particle acceleration and transport in AGNs, including secondary electromagnetic and neutrino fluxes, and temporal and spatial fluctuations
• inhomogeneous jets: radiation and cosmic ray production • further constrain cosmic ray source properties using data
from multiple messengers • determine origin of IceCube neutrinos
16
![Page 17: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/17.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
• strong overlap with cosmology and astrophysics – gravitational growth of inhomogeneities determines
large and small-scale structure of dark matter – subtract astrophysical foregrounds for indirect dark
matter detection • strong overlap with particle physics
– dark matter candidates – collider signatures
17
![Page 18: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/18.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
• investigated Feebly Interacting Massive Particle (FIMP) in models with additional scalar doublet and three singlet fermions (scotogenic model), arXiv:1405.1259
• investigated two-component (1 fermion, 1 scalar) dark matter models, arXiv:1406.0617
• higher order corrections to dark matter (co-)annihilation • electroweak corrections to direct detection cross sections
for inert Higgs dark matter • influence of non-spherical halo on dark matter detection,
arXiv:1405.6240 -> poster by Garani (Bonn)
18
milestones achieved:
![Page 19: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/19.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
• minimal dark matter models • investigated relation between sterile neutrinos and
leptogenesis (arXiv:1409.0659) • computed complete SUSY-QCD corrections to neutralino
+stop-> top+gluon (arXiv:1409.2898) • joint experimental and theoretical dark matter meeting
February 2013 in Münster, mentioned in CERN courier • DM@NLO Collaboration Meeting 18 - 22 June 2012 in
Münster, O(10) participants from DESY HH, KIT, LAPTH Annecy, LPSC Grenoble, WWU Münster
19
milestones achieved (continued):
![Page 20: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/20.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
20
M. Klasen, J. Ruiz-Alvarez, C. Yaguna, Phys. Rev. D87 (2013) 075025
Weak corrections to direct detection of inert Higgs doublet dark matter
![Page 21: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/21.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
21
Strong corrections to SUSY dark matter relic density
B. Herrmann, M. Klasen, K. Kovarik,M. Meinecke, P. Steppeler, Phys. Rev. D 89 (2014) 114012
![Page 22: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/22.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
22
Viable parameter space of freeze-in singlet fermion dark matter
M. Klasen, C. Yaguna, JCAP 1311 (2013) 039
![Page 23: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/23.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
WP3: Dark Matter and Non-Acceleration Signatures
• dark matter review: M.Klasen, M.Pohl, G.Sigl • continuation of the DM @ NLO program (stop+stop->weak
and strong final states with Sommerfeld corrections), collaboration with M.Beneke (Munich) and M.Drees (Bonn)
• further investigation of minimal dark matter and neutrino sector, in particular radiative see-saw, collaboration with W.Winter (Zeuthen)
• extend existing tools to other dark matter candidates: light dark matter, little Higgs, extra dimensions, non-standard electroweak breaking
23
Next Steps:
![Page 24: Report on WP1 (Theory and Phenomenology) at the HAP ...sigl/HAP-topic1-sigl.pdf · 4/11/2014 · Report on WP1 (Theory and Phenomenology) at the HAP midterm review 4.11.2014 ...](https://reader034.fdocuments.us/reader034/viewer/2022042910/5f3e6596e5943e249e68e691/html5/thumbnails/24.jpg)
04.11.2014 Helmholtz Alliance for Astroparticle Physics
Thank you for your attention !
24