Low-energy point source searches with IceCube

نویسندگان

  • Sebastian Euler
  • David Altmann
  • Rickard Ström
چکیده

Due to the overwhelming background of atmospheric muons, the traditional IceCube point source search in the Southern Hemisphere is mainly sensitive to neutrinos with energies above 100TeV. A new approach focuses on events starting inside the instrumented volume. By utilizing different veto techniques we are able to significantly reduce the energy threshold and can now for the first time explore the entire Southern Hemisphere at neutrino energies as low as 100GeV. We present the results of two analyses targeting slightly different energy ranges. Both use one year of data taken with the completed IceCube detector in 2011/12.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Recent Results of Point Source Searches with the IceCube Neutrino Telescope

IceCube is a km scale neutrino detector being constructed deep in the Antarctic ice. When complete, IceCube will consist of 4800 optical modules deployed on 80 strings between 1450 and 2450 m of depth. During the 2007-2008 data taking season, 22 strings were operational. This configuration is already much larger than previous neutrino telescopes and provides better sensitivity to point sources ...

متن کامل

Searches for High-energy Neutrino Emission in the Galaxy with the Combined Icecube-amanda Detector

We report on searches for neutrino sources at energies above 200 GeV in the Northern sky of the galactic plane, using the data collected by the South Pole neutrino telescope IceCube and AMANDA. The galactic region considered in this work includes the Local Arm towards the Cygnus region and our closest approach to the Perseus Arm. The searches are based on the data collected between 2007 and 200...

متن کامل

Getting there: from AMANDA to IceCube

AMANDA is a neutrino telescope consisting of 677 optical modules embedded at 1.5-2 km depth in the ice cap under the Amundsen-Scott South Pole station. In this contribution we summarize AMANDA results on measuring the atmospheric neutrino spectrum, on searches for a neutrino flux from the galactic plane, for a diffuse and point-like flux of cosmic high energy neutrinos and searches for dark mat...

متن کامل

Particle Physics in Ice with IceCube DeepCore

The IceCube Neutrino Observatory is the world’s largest high energy neutrino telescope, using the Antarctic ice cap as a Cherenkov detector medium. DeepCore, the low energy extension to IceCube, is an infill array with a fiducial volume of around 30 MTon in the deepest, clearest ice, aiming for an energy threshold as low as 10 GeV and extending IceCube’s sensitivity to indirect dark matter sear...

متن کامل

Results from Seven Years of AMANDA-II

AMANDA is a first-generation high energy neutrino telescope, which has taken data at the South Pole in its final configuration since 2000. Results from seven years of operation are presented here, including observation of the atmopheric neutrino flux and searches for astrophysical neutrinos from cosmic ray accelerators, gamma ray bursts, and dark matter annihilations. In 2007, AMANDA was incorp...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2016