12-20 July 2017
BEXCO
Asia/Seoul timezone
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DM(Dark Matter)

Place

Location: BEXCO
Address: BUSAN, KOREA
Date: from 18 Jul 16:30 to 20 Jul 16:45

Conveners

  • 20 Jul 16:00 - 16:45
    • Rott, Carsten (SKKU, Korea)

Timetable | Contribution List

Displaying 24 contributions out of 24
DM
Session: DM(Dark Matter)
on 20/7/2017 at 7:00
Session: DM(Dark Matter)
XMASS is a large volume multi-purpose experiment using a liquid xenon technology located underground in Kamioka Observatory, Japan. XMASS-I aims to search for dark matter, which is holding 832kg of liquid xenon in an active volume. In this talk, the result of WIMPs search using fiducial volume analysis will be reported. The data accumulated between November 2013 and March 2016 were used for this a ... More
Presented by Hiroshi OGAWA on 18/7/2017 at 8:30
Session: DM(Dark Matter)
XMASS-I is dedicated to a direct dark matter search using nearly 1 tons of liquid xenon as target material. One of the signatures of dark matter in the direct detection experiments is the annual modulation of the event rate due to the relative motion of the Earth around the Sun. We have continuously collected data with a low trigger threshold of ~0.6 keVee for more than 3 years since November 2013 ... More
Presented by Byeongsu YANG on 18/7/2017 at 8:15
Session: DM(Dark Matter)
Neutrino telescopes provide some of the best sensitivities for heavy decaying dark matter. With IceCube's observation of high-energy astrophysical neutrinos, interest in scenarios that could explain their origin as a result of the decay of long-lived heavy dark matter particles has risen. We present two dedicated experimental analyses to test this scenario of decaying dark matter with masses above ... More
Presented by Joeran STETTNER on 19/7/2017 at 8:45
Session: DM(Dark Matter)
The COSINE experiment is a dark matter search that uses an array of scintillating NaI(Tl) crystals as a target/detector and is located in the Yangyang Underground laboratory. The construction of the first phase of the experiment, called COSINE-100, was completed in the summer of 2016 and physics data of sufficient quality to reproduce the WIMP-Dark-Matter-like annual modulation signal observed by ... More
Presented by Chang Hyon HA on 18/7/2017 at 8:00
Session: DM(Dark Matter)
Apart from known gamma-ray emitters, the extragalactic gamma-ray background (EGB) comprises emission from potentially undetected sources and may therefore serve as a valuable tool for their detection. While the classical approach of EGB decomposition manifests in combined spectral fits of individual contributions, statistical methods have recently been proven to provide an even more sensitive obse ... More
Presented by Hannes ZECHLIN on 19/7/2017 at 8:30
Session: DM(Dark Matter)
In the last decades an incredible amount of evidence for the existence of dark matter has been accumulating. At the same time, many efforts have been undertaken to try to identify what dark matter is. Indirect searches look at places in the Universe where dark matter is known to be abundant and seek for possible annihilation or decay signatures. The Cherenkov Telescope Array (CTA) represents the n ... More
Presented by Aldo MORSELLI on 19/7/2017 at 8:15
Session: DM(Dark Matter)
WIMPs are hypothetical elementary particles that interact weakly, with mass in the GeV-TeV range. WIMPs would constitute all or a part of dark matter and arise naturally in different theories beyond the Standard Model. The MAGIC telescopes are sensitive to gamma rays that would be produced in the annihilation or decay of WIMPs into Standard Model particles. Such emission is expected (and potential ... More
Presented by Joaquim PALACIO on 19/7/2017 at 8:00
Session: DM(Dark Matter)
The signatures for the existence of dark matter are revealed only through its gravitational interaction. Theoretical arguments support the Weakly Interactive Massive Particle (WIMP) can be a class of dark matter and WIMP can annihilate and/or decay to Standard Model particles, among which neutrino is a favorable candidate. We show that the proposed 50 kton Magnetized Iron CALorimeter (MagICAL) det ... More
Presented by Amina KHATUN on 19/7/2017 at 7:45
Session: DM(Dark Matter)
The μνSSM solves the μ problem of supersymmetric models and reproduces neutrino data, simply using couplings with right-handed neutrinos ν's. Given that these couplings break explicitly R parity, the gravitino is a natural candidate for decaying dark matter in the μνSSM. In this work we carry out a complete analysis of the detection of μνSSM gravitino dark matter through γ-ray observation ... More
Presented by German GOMEZ-VARGAS on 19/7/2017 at 4:30
Session: DM(Dark Matter)
We devise a new semi-analytical method to deal with the propagation of Galactic electrons and positrons from MeV to TeV energies: the pinching method. It is essentially based on the pinching of inverse Compton and synchrotron energy losses from the magnetic halo, where they take place, inside the Galactic disc. This new tool is fast and allows to carry out extensive scans over parameters. We stron ... More
Presented by Mathieu BOUDAUD on 19/7/2017 at 7:30
Session: DM(Dark Matter)
The GAPS experiment is designed to carry out a sensitive dark matter search by measuring low-energy cosmic ray antideuterons and antiprotons. GAPS will provide a new avenue to access a wide range of dark matter models and masses that is complementary to direct detection techniques, collider experiments and other indirect detection techniques. Well-motivated theories beyond the Standard Model conta ... More
Presented by Rene ONG on 18/7/2017 at 8:45
Session: DM(Dark Matter)
One of the major purposes of the ANTARES neutrino telescope is the indirect search for dark matter. The ANTARES detector is located on the bottom of the Mediterranean Sea, 40 km off the southern French coast. In this talk the results of the search for dark matter signals from the Sun, the Galactic Center and the Earth core, produced with different analysis methods, will be presented. There are var ... More
Presented by Christoph TÖNNIS on 19/7/2017 at 5:45
Session: DM(Dark Matter)
XENON1T is the current experiment of the XENON dark matter search program based on dual-phase (liquid-gas) xenon time projection chambers (TPCs) of increasing target mass and decreasing background. The XENON1T detector is the first multi-ton scale TPC containing a total of 3200 kg of liquid xenon of which 2000 kg are active. A blind analysis of 1042 kg fiducial mass and 34.2 live days of data acqu ... More
Presented by Patrick DE PERIO on 18/7/2017 at 7:45
Session: DM(Dark Matter)
DAMPE (DArk Matter Particle Explorer), a satellite mission of the Chinese Academy of Sciences dedicated to high energy particle detection in space, was successfully launched on December 17 2015. The main scientific objective of DAMPE is to detect electrons and photons in the range of 5 GeV-10 TeV with unprecedented energy resolution in order to identify possible Dark Matter signatures. It will als ... More
Presented by Xin WU on 19/7/2017 at 9:00
Session: DM(Dark Matter)
We study the ”GeV-excess” of diffuse gamma-rays in the Galactic halo with a template fit based on energy spectra for each possible process of gamma-ray emission. In addition to the ”standard” physical processes for gamma-ray production from π0 decays produced by diffused cosmic rays, inverse Compton scattering and Bremsstrahlung one finds clear evidence for two additional processes: π0 p ... More
Presented by Iris GEBAUER on 18/7/2017 at 9:15
Session: DM(Dark Matter)
We present three searches for a neutrino signal from dark matter self-annihilations in the Milky Way. The signal from these events is identified by signatures which start developing within the fiducial volume of the IceCube Neutrino Observatory. The three presented analyses are sensitive to different energy scales and together cover an energy range from 10 GeV to 300 TeV in dark matter particle ma ... More
Presented by Samuel FLIS on 19/7/2017 at 5:30
Session: DM(Dark Matter)
High energy γ-rays are powerful probes in the search for annihilations of dark matter (DM) particles in dense environments. In several DM particle models their annihilation produces characteristic features such as lines, bumps or cut-offs in their energy spectrum. The High Energy Stereoscopic System (H.E.S.S.) of imaging atmospheric Cherenkov telescopes is perfectly suited to search for such feat ... More
Presented by Louise OAKES on 19/7/2017 at 5:15
Session: DM(Dark Matter)
In the cosmological paradigm, cold dark matter (DM) dominates the mass content of the Universe and is present at every scale. Candidates for DM include many extensions of the standard model with weakly interacting massive particles (WIMPs) in the mass range from ~10 GeV to greater than 10 TeV. The self-annihilation or decay of WIMPs in astrophysical regions of high DM density can produce secondary ... More
Presented by Benjamin ZITZER on 18/7/2017 at 9:00
Session: DM(Dark Matter)
Although the existence of Dark Matter (DM) is by now well-established thanks to a variety of observations on many different scales, its nature is still unknown. In the context of DM indirect detection, the study of antiprotons propagating in our galaxy has nowadays become a fundamental tool for solving this mystery. Indeed, in the concordance model of astroparticle physics, antiprotons are believe ... More
Presented by Vivian POULIN
Session: DM(Dark Matter)
The Galactic Centre region is a key region for particle astrophysics at very high energies (VHE, E > 100 GeV) as observed with ground-based Imaging Atmospheric Cherenkov Telescopes. The Galactic Centre region harbors a large amount of dark matter. Given its proximity, it is one of the most promising targets to look for dark matter particle annihilations into VHE gamma-rays. The use of the spectral ... More
Presented by Emmanuel MOULIN on 19/7/2017 at 5:00
Session: DM(Dark Matter)
Many extensions of the Standard Model of particle physics predict a parallel sector of a new U(1) symmetry, giving rise to hidden photons. These hidden photons are candidate particles for cold Dark Matter. They are expected to kinetically mix with regular photons, which leads to a tiny oscillating electric-field component accompanying Dark Matter particles. A conducting surface can convert such Da ... More
Presented by Ralph ENGEL on 18/7/2017 at 7:30
Session: DM(Dark Matter)
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field-of-view observatory sensitive to 0.5 TeV - 100 TeV gamma-rays and cosmic-rays in the State of Puebla, Mexico at an altitude of 4100m. The HAWC observatory performed an indirect search for dark matter via GeV-TeV photons resulting from dark matter annihilation and decay considering various sources, including dwarf sphero ... More
Presented by Andrew J SMITH​ on 19/7/2017 at 4:45
Session: DM(Dark Matter)
It is proposed that the relatively inert, highly symmetric, flavor singlet scalar hadron made of uuddss quarks called the H dibaryon, may have a mass < 2 m_p. This is consistent with QCD theory, and with existing accelerator and non-accelerator constraints. For mass in the 1.5-1.8 GeV range, the observed DM relic abundance and the observed DM to ordinary matter (OM) ratio are naturally explained. ... More
Presented by Glennys FARRAR on 19/7/2017 at 9:15
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