Monday, December 15, 2014

• The X-ray flux distribution of Sagittarius*A as seen by Chandra, Neilsen et al. http://arxiv.org/abs/1412.3106 [Sera]
• The Local group galaxies emerge from the dark, Sawala et al. http://arxiv.org/abs/1412.2748 [Nassim]
• An ultimate target for dark matter searches, Blum et al. http://arxiv.org/abs/1412.3463 [Richard]

Monday, Dec 8

• Planckian Axions in String Theory, T. C. Bachlechner et al., http://arxiv.org/abs/1412.1093 [Lars]
• Structure formation in a mixed dark matter model with decaying sterile neutrino: the 3.5 keV X-ray line and the Galactic substructure, Akira Harada et al., http://arxiv.org/abs/1412.1592 [Mark]

Monday, December 1, 2014

• Diffuse galactic gamma-ray emission with H.E.S.S., H.E.S.S. Collaboration, http://arxiv.org/abs/1411.7568 [David] + http://arxiv.org/abs/1411.7985v1
• A possible indication of momentum-dependent asymmetric dark matter in the Sun, Vincent, Scott and Serenelli, http://arxiv.org/abs/1411.6626 [Hamish]
• The gamma-ray sky points to radial gradients in cosmic-ray transport, Gaggero, Urbano, Valli and Ullio, http://arxiv.org/abs/1411.7623 [Francesca]

Monday, Nov 26

• Higgs-otic Inflation and String Theory, Luis E. Ibanez et al., http://arxiv.org/abs/arXiv:1411.5380 [Ben]
• A Tale of Tails: Dark Matter Interpretations of the Fermi GeV Excess in Light of Background Model Systematics, Francesca Calore et al., http://arxiv.org/abs/arXiv:1411.4647 [Christoph]
• High-energy gamma-ray and neutrino backgrounds from clusters of galaxies and radio constraints, Fabio Zandanel et al., http://arxiv.org/abs/arXiv:1410.8697 [Fabio]
• Making sense of the local Galactic escape speed estimates in direct dark matter searches, Julien Lavalle & Stefano Magni, http://arxiv.org/abs/arXiv:1411.1325 [Chris]

Monday, November 17, 2014

• On shape dependence of holographic mutual information in AdS4 http://arxiv.org/abs/1411.3608 [I-Sheng]
• Entanglement is not Enough http://arxiv.org/abs/arXiv:1411.0690 (http://arxiv.org/abs/arXiv:1306.0533) [Ben]

Monday, Nov 10

• Where do the 3.5 keV photons come from? A morphological study of the Galactic Center and of Perseus, Eric Carlson, Tesla Jeltema, Stefano Profumo, http://arxiv.org/abs/arXiv:1411.1758 [CW]
• Decaying dark matter: the case for a deep X-ray observation of Draco, Mark R. Lovell et al., http://arxiv.org/abs/arXiv:1411.0311 [ML]
• Evidence for GeV Pair Halos around Low Redshift Blazars, Wenlei Chen et al., http://arxiv.org/abs/arXiv:1410.7717 [SA]
• A Suzaku Search for Dark Matter Emission Lines in the X-ray Brightest Galaxy Clusters, O. Urban et al., http://arxiv.org/abs/arXiv:1411.0050 [RB]

Monday, November 3, 2014

• Moduli-induced Baryogenesis by Kohji Ishiwata (DESY/Hamburg)
• First Results from the DarkSide-50 Dark Matter Experiment at
  Laboratori Nazionali del Gran Sasso http://arxiv.org/abs/1410.0653
  [Sander Breur]
• An update from the Fifth Fermi Symposium 2014  https://www.dropbox.com/s/ubbcqvikkn1h10g/18_Charles_short.pdf?dl=0 [Francesca]

Monday, October 27, 2014

• Are we really seeing dark matter signals from the Milky Way center? http://arxiv.org/abs/arXiv:1410.2376 [Roberta]
• Clustering of gamma-ray selected 2LAC Fermi Blazars http://arxiv.org/abs/1410.0358 [Shin'ichiro]
• The same with less: The cosmic web of warm versus cold dark matter dwarf galaxies http://arxiv.org/abs/1410.1541 [Mark]
• Observational appearance of inefficient accretion flows and jets in 3D GRMHD simulations: Application to Sgr~A* http://lanl.arxiv.org/abs/1408.4743 [Sera]
• An update from the Fifth Fermi Symposium 2014 [Francesca]

Monday, October 20, 2014

• Indirect Probes of Dark Matter and Globular Cluster Properties From Dark Matter Annihilation within the Coolest White Dwarfs, http://arxiv.org/pdf/1410.3925.pdf  [Hamish]

Monday, October 13, 2014

• Atmospheric and Astrophysical Neutrinos above 1 TeV Interacting in IceCube, http://arxiv.org/abs/1410.1749 [Irene]
• Search for dark matter annihilation signatures in H.E.S.S. observations of Dwarf Spheroidal Galaxies, http://arxiv.org/abs/1410.2589 [Francesca]

Monday, October 6

• Strong lensing interferometry for compact binaries, Ue-Li Pen, I-Sheng Yang, http://arxiv.org/abs/1409.3391 [I-Sheng]

Monday, June 16

• Sensitivity to WIMP Dark Matter in the Final States Containing Jets and Missing Transverse Momentum with the ATLAS Detector at 14 TeV LHC, https://cds.cern.ch/record/1708859/files/ATL-COM-PHYS-2014-549.pdf [David S.]
• Search for CP violation in the Gamma Ray Sky, H. Tashiro et al., http://arxiv.org/abs/1310.4826 [Ben F.]
• Hadronic gamma-rays from RX J1713.7-3946?, Gabici and Aharonian, http://arxiv.org/abs/1406.2322 [David B.]
• Search for 100 MeV to 10 GeV gamma-ray lines in the Fermi-LAT data and implications for gravitino dark matter in the μνSSM, Andrea Albert et al., http://arxiv.org/abs/arXiv:1406.3430, [Christoph W.]
• Antiproton limits on DM [Wei Xue]
• GRAPPA Blackboard Talk on XENON [Jelle A.]

Monday, June 2, 2014

• GRAPPA Club Blackboard talk: "Does gravity crush everything?" [I-Sheng]

Monday, May 26, 2014

• The Intrinsic Two-Dimensional Size of Sagittarius A*, G.C. Bower et al., http://arxiv.org/abs/arXiv:1405.1456 [Sera]
• A joint analysis of Plank and BICEP2 B modes including dust polarization uncertainty, M. Mortonson and U. Seljak, http://arxiv.org/abs/arXiv:1405.5857 [Ben]

• A photon-photon collider in a vacuum hohlraum, O.J. Pike et al., http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nphoton.2014.95.html [Michael]

• GRAPPA Club Blackboard talk: "The statistics behind our predicted dark matter limits for CTA" [Hamish]

Monday, May 19, 2014

• Searching for Dark Matter Annihilation in the Smith High-Velocity Cloud. Drlica-Wagner et al., http://arxiv.org/abs/1405.1030 [Francesca]

Monday, May 12, 2014

• Properties of galaxies reproduced by a hydrodynamic simulation. Vogelsberger et al., http://arxiv.org/abs/1405.1418 [Mark]
• Effect of Gravitational Focusing on Annual Modulation in Dark-Matter Direct-Detection Experiments. Lee et al.,  http://arxiv.org/abs/1308.1953 [Sofia]
• Searching for Dark Matter Annihilation in the Smith High-Velocity Cloud. Drlica-Wagner et al., http://arxiv.org/abs/1405.1030 [Francesca]

Monday, April 28

• On the flavor composition of the high-energy neutrino events in IceCube, Olga Mena, Sergio Palomares-Ruiz, Aaron C. Vincent, http://arxiv.org/abs/1404.0017 [Roberta]
• Galactic PeV neutrinos from dark matter annihilation,Jesus Zavala, http://arxiv.org/abs/1404.2932 [Roberta]
• Bounds on Dark Matter Interpretation of Fermi-LAT GeV Excess,Kyoungchul Kong, Jong-Chul Park, http://arxiv.org/abs/1404.3741 [Christoph]
• Cross-Correlation of Cosmic Shear and Extragalactic Gamma-ray Background: Constraints on the Dark Matter Annihilation Cross-Section, Masato Shirasaki, Shunsaku Horiuchi, Naoki Yoshida, http://arxiv.org/abs/1404.5503 [Shin'ichiro]
• Too Big to Fail in the Local Group, Shea Garrison-Kimmel, Michael Boylan-Kolchin, James S. Bullock, Evan N. Kirby, http://arxiv.org/abs/1404.5313 [Mark]

Monday, April 14, 2014

• Cosmic neutrino cascades from secret neutrino interactions, K.C.Y. Ng, J.F. Beacom http://arxiv.org/pdf/1404.2288v1.pdf [Shin'ichiro]
• Star-forming galaxies as the origin of diffuse high-energy backgrounds: Gamma-ray and neutrino connections, and implications for starburst history, I. Tamborra, S. Ando, K. Murase, http://arxiv.org/pdf/1404.1189.pdf [Irene]

Monday, April 7, 2014

• $\phi^2$ or not $\phi^2$ Checking the Simplest Universe, Paolo Creminelli, Diana Lopez Nacir, Marko Simonovic, Gabriele Trevisan,  and Matias Zaldarriaga. http://arxiv.org/abs/1404.1065 [Ben]
• Thermal dark matter implies new physics not far above the weak scale. http://arxiv.org/abs/1403.5829 [Francesca]

Monday, March 31, 2014

Monday, March 24, 2014

• Co56 gamma-ray line from Type Ia Supernova in M82. http://www.astronomerstelegram.org/?read=5992 [Jacco]
• Killing the Straw Man: Does BICEP Prove Inflation? Dent et al.  http://arxiv.org/abs/1403.5166 [Francesca]

Monday, March 17

• We will discuss - and vote! - for the GRAPPA logo
• Jan Pieter van der Schaar will tell us all we need to know about CMB polarization, B-modes, and the implications for inflationary scenarios
• Don't forget to print your own BICEP2 Bingo Cards

Monday, March 10

• Physics: Broaden the search for dark matter, Mario Livio & Joe Silk, http://www.nature.com/news/physics-broaden-the-search-for-dark-matter-1.14795 [David B.]
• Self-interacting asymmetric dark matter coupled to a light massive dark photon, Kalliopi Petraki et al., http://arxiv.org/abs/arXiv:1403.1077 [Kallia]
• Sequestering the Standard Model Vacuum Energy, Nemanja Kaloper & Antonio Padilla, http://arxiv.org/abs/1309.6562 [Ben]
• The Fermi Bubbles Revisited, Rui-zhi Yang et al., http://arxiv.org/abs/arXiv:1402.0403 [David B.]
• Annihilation Signals from Asymmetric Dark Matter, E. Hardy et al., http://arxiv.org/abs/arXiv:1402.4500 [Christoph]

Monday, February 24

• Asymmetries in core-collapse supernovae from maps of radioactive 44Ti in Cassiopeia A, B. W. Grefenstette et al., http://www.nature.com/nature/journal/v506/n7488/full/nature12997.html [Jacco]

Monday, February 17

• A single low-energy, iron-poor supernova as the source of metals in the star SMSS J 031300.36-670839.3, S. C. Keller et al., http://arxiv.org/abs/1402.1517 [Ralph]
• Energy carries Information, I. Ilgin & I-S. Yang, http://arxiv.org/abs/1402.0878 [I-Sheng]
• New Constraints on Dark Matter Effective Theories from Standard Model Loops, Andreas Crivellin et al., http://arxiv.org/abs/1402.1173 [Christoph]
• Search for Invisible Decays of a Higgs Boson Produced in Association with a Z Boson in ATLAS, ATLAS Collaboration, http://arxiv.org/abs/1402.3244 [David B.]
• Detection of An Unidentified Emission Line in the Stacked X-ray spectrum of Galaxy Clusters, Esra Bulbul et al., http://arxiv.org/abs/arXiv:1402.2301 [Christoph/Mark]

Monday, February 10

• The Local Void: for or against LCDM?, Lizhi Xie et al., http://arxiv.org/abs/arXiv:1401.6459 [Mark]
• The observable signature of late heating of the Universe during cosmic reionization, Anastasia Fialkov et al., http://www.nature.com/nature/journal/vaop/ncurrent/full/nature12999.html [Omer]
• Gamma-ray anisotropies from dark matter in the Milky Way: the role of the radial distribution, F. Calore et al., http://arxiv.org/abs/arXiv:1402.0512 [Francesca]
• UHE neutrino and cosmic ray emission from GRBs: revising the models and clarifying the cosmic ray-neutrino connection, Mauricio Bustamante et al., http://arxiv.org/abs/1402.1497 [Ralph]
• A single low-energy, iron-poor supernova as the source of metals in the star SMSS J 031300.36-670839.3, S. C. Keller et al., http://arxiv.org/abs/1402.1517 [Ralph]
• Energy carries Information, I. Ilgin & I-S. Yang, http://arxiv.org/abs/1402.0878 [I-Sheng]
• New Constraints on Dark Matter Effective Theories from Standard Model Loops, Andreas Crivellin et al., http://arxiv.org/abs/1402.1173 [Christoph]

Monday, February 3

• Constraining Dark Matter-Neutrino Interactions using the CMB and Large-Scale Structure, Ryan J. Wilkinson et al., http://arxiv.org/abs/1401.7597 [Roberta]
• The Local Void: for or against LCDM?, Lizhi Xie et al., http://arxiv.org/abs/arXiv:1401.6459 [Mark]
  

Monday, January 27

• Indirect Detection Analysis: Wino Dark Matter Case Study, Andrzej Hryczuk et al., http://arxiv.org/abs/arXiv:1401.6212 [Christoph]
• Maximum Likelihood Signal Extraction Method Applied to 3.4 years of CoGeNT Data, C.E. Aalseth et al., http://arxiv.org/abs/arXiv:1401.6234 [Christoph]
• Bright Supernove in M82 [Jacco]
• http://www.skyandtelescope.com/observing/highlights/Bright-Supernova-in-M82-241477661.html
• http://www.astronomerstelegram.org/?read=5786
• http://www.k-itagaki.jp/psn-m82.jpg
• The Mass-Concentration-Redshift Relation of Cold Dark Matter Halos, Aaron D. Ludlow et al., http://arxiv.org/abs/1312.0945 [Roberta]
• HESS J1640-465 - an exceptionally luminous TeV gamma-ray SNR,
  H.E.S.S. Collaboration, http://arxiv.org/abs/1401.4388 [David B.]
• A millisecond pulsar in a stellar triple system, S. M. Ransom et al., http://arxiv.org/abs/1401.0535 [David B.]

Monday, January 20

• Anti-helium from dark matter annihilations, M. Cirelli et al. 2014, http://arxiv.org/abs/arXiv:1401.4017 [Christoph]
• Antihelium from dark matter, E. Carlson et al. 2014, http://arxiv.org/abs/arXiv:1401.2461 [Christoph]
• A critical shock Mach number for particle acceleration in the absence of pre-existing cosmic rays: M=sqrt(5), J. Vink & R. Yamazaki, http://arxiv.org/abs/1307.4754 [Jacco]
• HESS J1640-465 - an exceptionally luminous TeV gamma-ray SNR,
  H.E.S.S. Collaboration, http://arxiv.org/abs/1401.4388 [Jacco]
• Two superluminous supernovae from the early universe discovered by the Supernova Legacy Survey, D. A. Howell et al., http://arxiv.org/abs/arXiv:1310.0470 [Irene]

Monday, January 13

• Optimized dark matter searches in deep observations of Segue 1 with MAGIC, J. Aleksic et al., http://arxiv.org/abs/arXiv:1312.1535 [Christoph] 
• On How Neutrino Protects the Axion, G. Dvali et al., http://arxiv.org/abs/1312.7273 [Michael]