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Xiaoxia Bai

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Publications associées (76)

The IceCube data acquisition system: Signal capture, digitization, and timestamping

Xiaoxia Bai

IceCube is a km-scale neutrino observatory under construction at the South Pole with sensors both in the deep ice (InIce) and on the surface (IceTop). The sensors, called Digital Optical Modules (DOMs). detect, digitize and timestamp the signals from optic ...

2009

Determination of the atmospheric neutrino flux and searches for new physics with AMANDA-II

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

The AMANDA-II detector, operating since 2000 in the deep ice at the geographic South Pole, has accumulated a large sample of atmospheric muon neutrinos in the 100 GeV to 10 TeV energy range. The zenith angle and energy distribution of these events can be u ...

American Physical Society2009

Extending the search for neutrino point sources with iceCube above the horizon

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

Point source searches with the IceCube neutrino telescope have been restricted to one hemisphere, due to the exclusive selection of upward going events as a way of rejecting the atmospheric muon background. We show that the region above the horizon can be ...

2009

Limits on a Muon Flux from Neutralino Annihilations in the Sun with the IceCube 22-String Detector

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

A search for muon neutrinos from neutralino annihilations in the Sun has been performed with the IceCube 22-string neutrino detector using data collected in 104.3 days of live time in 2007. No excess over the expected atmospheric background has been observ ...

2009

Search for point sources of high energy neutrinos with final data from AMANDA-II

Xiaoxia Bai, Mathieu Ribordy, Levent Demirörs

We present a search for point sources of high energy neutrinos using 3.8 yr of data recorded by AMANDA-II during 2000-2006. After reconstructing muon tracks and applying selection criteria designed to optimally retain neutrino-induced events originating in ...

American Physical Society2009

First Neutrino Point-Source Results From The 22 String Icecube Detector

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

We present new results of searches for neutrino point sources in the northern sky, using data recorded in 2007-2008 with 22 strings of the IceCube detector (approximately one-fourth of the planned total) and 275.7 days of live time. The final sample of 511 ...

2009

SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE “NAKED-EYE” GRB 080319B WITH THE IceCube NEUTRINO TELESCOPE

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

We report on a search with the IceCube detector for high-energy muon neutrinos from GRB 080319B, one of the brightest gamma-ray bursts (GRBs) ever observed. The fireball model predicts that a mean of 0.1 events should be detected by IceCube for a bulk Lore ...

2009

ERRATUM: “SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE “NAKED-EYE” GRB 080319B WITH THE ICECUBE NEUTRINO TELESCOPE” (2009, ApJ, 701, 1721)

Xiaoxia Bai, Mathieu Ribordy, Shirit Cohen, Levent Demirörs

2009

Search for ultra-high-energy neutrinos with AMANDA-II

Xiaoxia Bai, Mathieu Ribordy, Levent Demirörs, Yi Wang

A search for diffuse neutrinos with energies in excess of 105 GeV is conducted with AMANDA-II data recorded between 2000 and 2002. Above 107 GeV, the Earth is essentially opaque to neutrinos. This fact, combined with the limited overburden of the AMANDA-II ...

2008

Solar Energetic Particle Spectrum on 2006 December 13 Determined by IceTop

Xiaoxia Bai, Mathieu Ribordy, Levent Demirörs

2008

Mechanical control of fluids in micro-analytical devices

Hubert Girault, Joël Stéphane Rossier, Joël Rossier, Xiaoxia Bai

An apparatus for manipulating fluid samples comprises a micro-chip device having first and second covered channels, each channel having openings at both ends. The channels intersect to form a common intersection. Three of the openings of the channels are c ...

2006

Passive Conductivity Detection for Capillary Electrophoresis

Hubert Girault, Xiaoxia Bai

2004

Micro ion analysis

Xiaoxia Bai

Due to the growing interest on micro total analytical system (μTAS), fast analysis of small amount samples with high throughout is highly desired. Conventional separation techniques, such as Liquid Chromatography, show a great potential for miniaturisation ...

EPFL2004

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Xiaoxia Bai

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The IceCube data acquisition system: Signal capture, digitization, and timestamping

Determination of the atmospheric neutrino flux and searches for new physics with AMANDA-II

Extending the search for neutrino point sources with iceCube above the horizon

Limits on a Muon Flux from Neutralino Annihilations in the Sun with the IceCube 22-String Detector

Search for point sources of high energy neutrinos with final data from AMANDA-II

First Neutrino Point-Source Results From The 22 String Icecube Detector

SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE “NAKED-EYE” GRB 080319B WITH THE IceCube NEUTRINO TELESCOPE

ERRATUM: “SEARCH FOR HIGH-ENERGY MUON NEUTRINOS FROM THE “NAKED-EYE” GRB 080319B WITH THE ICECUBE NEUTRINO TELESCOPE” (2009, ApJ, 701, 1721)

Search for ultra-high-energy neutrinos with AMANDA-II

Solar Energetic Particle Spectrum on 2006 December 13 Determined by IceTop

Mechanical control of fluids in micro-analytical devices

Passive Conductivity Detection for Capillary Electrophoresis

Micro ion analysis

A Flexible Sample Introduction Method for Polymer Microfluidic Chips Using a Push/Pull Pressure Pump

Finite Element Simulation of Pinched Pressure-Driven Flow Injection in Microchannels

Pressure pinched injection of nanolitre volumes in planar micro-analytical devices