Concept

Cosmic neutrino background

Related publications (191)

G-APDs in Cherenkov astronomy: The FACT camera

Werner Lustermann, Mathieu Ribordy, Thomas Günther Bretz

Geiger-mode avalanche photodiodes (G-APD, SiPM) are a much discussed alternative to photomultiplier tubes in Cherenkov astronomy. The First G-APD Cherenkov Telescope (FACT) collaboration builds a camera based on a hexagonal array of 1440 G-APDs and has now ...

Elsevier Science Bv2012

Background studies for acoustic neutrino detection at the South Pole

Matthias Wolf, Shirit Cohen, Mathieu Ribordy, Xiaoxia Bai

The detection of acoustic signals from ultra-high energy neutrino interactions is a promising method to measure the flux of cosmogenic neutrinos expected on Earth. The energy threshold for this process depends strongly on the absolute noise level in the ta ...

2012

Background-free imaging of plasmonic structures with cross-polarized apertureless scanning near-field optical microscopy

Klaus Kern, Moritz Esslinger

We present advances in experimental techniques of apertureless scanning near-field optical microscopy (aSNOM). The rational alignment procedure we outline is based upon a phase singularity that occurs while scanning polarizers around the nominal cross-pola ...

2012

IMPROVING ACOUSTIC BASED KEYWORD SPOTTING USING LVCSR LATTICES

Petr Motlicek, Fabio Valente

This paper investigates detection of English keywords in a conversational scenario using a combination of acoustic and LVCSR based keyword spotting systems. Acoustic KWS systems search predefined words in parameterized spoken data. Corresponding confidence ...

2012

IMPROVING ACOUSTIC BASED KEYWORD SPOTTING USING LVCSR LATTICES

Petr Motlicek, Fabio Valente

Idiap2012

Effect of load distribution and variable depth on shear resistance of slender beams without stirrups

Aurelio Muttoni, Miguel Fernández Ruiz

The shear resistance of elements without stirrups has mainly been investigated by test setups involving simply supported beams of constant thickness subjected to one- or two-point loading, and most of the formulas included in codes have been adjusted using ...

ACI Structural Journal2012

Searching for soft relativistic jets in core-collapse supernovae with the IceCube optical follow-up program

Matthias Wolf, Shirit Cohen, Mathieu Ribordy, Xiaoxia Bai

Context. Transient neutrino sources such as gamma-ray bursts (GRBs) and supernovae (SNe) are hypothesized to emit bursts of high-energy neutrinos on a time-scale of less than or similar to 100 s. While GRB neutrinos would be produced in high relativistic j ...

2012

The Cosmic Linear Anisotropy Solving System (CLASS). Part II: Approximation schemes

Julien Lesgourgues, Diego Blas Temino

Boltzmann codes are used extensively by several groups for constraining cosmological parameters with Cosmic Microwave Background and Large Scale Structure data. This activity is computationally expensive, since a typical project requires from 104 to 105 Bo ...

2011

The Cosmic Linear Anisotropy Solving System (CLASS) IV: efficient implementation of non-cold relics

Julien Lesgourgues

We present a new flexible, fast and accurate way to implement massive neutrinos, warm dark matter and any other non-cold dark matter relics in Boltzmann codes. For whatever analytical or numerical form of the phase-space distribution function, the optimal ...

2011

Constraints on high-energy neutrino emission from SN 2008D

Matthias Wolf, Shirit Cohen, Mathieu Ribordy, Xiaoxia Bai

SN 2008D, a core collapse supernova at a distance of 27 Mpc, was serendipitously discovered by the Swift satellite through an associated X-ray flash. Core collapse supernovae have been observed in association with long gamma-ray bursts and X-ray flashes an ...

2011

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