John Kelley's IceCube Page

2018

"The IceCube Detector Systems: Current Status and Future Plans", talk at the International Workshop on Next Generation Nucleon Decay and Neutrino Detectors (NNN18), 1 November 2018, Vancouver, Canada. (PDF).

2017

"Observation of deep, distant impulsive RF transmitters by the Askaryan Radio Array", talk at the 35th International Cosmic Ray Conference (ICRC 2017), 14 July 2017, Busan, Korea. (PDF).

2016

"Next Steps in Neutrino Astronomy with IceCube", talk at the SCAR Open Science Conference (SCAR 2016), 23 August 2016, Kuala Lumpur, Malaysia. (PDF).

2015

"Next Steps in High-energy Neutrino Astronomy", invited summary talk at the TeV Particle Astrophysics conference, 30 October 2015, Kashiwa, Japan. (PDF).
"IceCube's Observation of Cosmic Neutrinos", seminar for summer REU students, 6 July 2015, Univ. of Wisconsin, Madison (PPT).

2014

"The IceCube Data Acquisition System", talk at the Detector Design and Technology for Next-Generation Neutrino Observatories workshop, 10 December 2014, Aachen, Germany (PDF).
"Observation of High-energy Astrophysical Neutrinos with IceCube", talk at the Experimental Search for Quantum Gravity workshop, 5 September 2014, SISSA, Trieste, Italy (PDF).

2013

"IceCube's Observation of Cosmic Neutrinos", Sunday Science Lecture, 22 December 2013, South Pole Station, Antarctica (PDF).
"The Cosmic Ray and Neutrino Connection: Extreme Astrophysics at the Ends of the Earth", invited colloquium at Embry Riddle Aeronautical University, 17 September 2013, Prescott, Arizona (PPT).
"The IceCube Data Acquisition System", talk at the VLVnT13 Workshop, 6 August 2013, Stockholm, Sweden (PDF).

2012

"Searching for Quantum Gravity with the IceCube Neutrino Observatory", talk at the Experimental Search for Quantum Gravity workshop, 23 October 2012, Perimeter Institute, Waterloo, Canada (PPT).
"Searching for Physics Beyond the Standard Model with the IceCube Neutrino Observatory", talk at Beyond the Standard Model of Particle Physics, 16 July 2013, Quy Nhon, Vietnam (PDF).

2011

"Data Acquisition, Triggering, and Filtering at the Auger Engineering Radio Array", talk at the VLVnT Workshop, 12 October 2011, Erlangen, Germany (PDF).
"LOFAR: Detecting Cosmic Rays with a Radio Telescope", talk at the 32nd International Cosmic Ray Conf., 17 August 2011, Beijing, China (PDF).
"A New Window onto Ultra-high Energy Cosmic Rays: Super-hybrid Air Shower Observations at the Pierre Auger Observatory", colloquium, SISSA, 14 June 2011, Trieste, Italy (PDF).

2010

"Searching for Quantum Gravity with High-energy Neutrinos", invited talk, ESQG Worshop at NORDITA, 12 June 2010, Stockholm, Sweden (PPT).
"Searching for Quantum Gravity with High-energy Cosmic Rays and Neutrinos", invited seminar at Utrecht University, 3 May 2010, Utrecht, Netherlands (PDF).
"Detection of Radio Transients: Digital Requirements from Cosmic Ray Experiments", Lunar Radio Explorer workshop, 28 April 2010, ESTEC, Netherlands (PDF).
"The Pierre Auger Observatory: Recent Results and Future Plans", BEYOND 2010 Conference, 4 February 2010, Cape Town, South Africa (PDF).

2009

"The Pierre Auger Observatory: Recent Results and Future Plans", 12th Dutch Astroparticle Physics Symposium, 4 December 2009, Amsterdam, Netherlands (PDF).
"A Radio-Frequency Extension to the Pierre Auger Cosmic Ray Observatory", NNV Meeting [Dutch Physical Society], 6 November 2009, Lunteren, Netherlands (PDF).
"Radio Detection of High Energy Cosmic Rays and Neutrinos", invited seminar at VUB / ULB, 30 October 2009, Brussels, Belgium (PDF).
"Exploring Wavelet Techniques for Filtering and Triggering," Dutch Auger meeting, 26 October 2009, Nijmegen, Netherlands (PDF).
"The Many Mysteries of Cosmic Rays", public lecture for NVWS Arnhem [Dutch Amateur Astronomy Society], 16 September 2009, Arnhem, Netherlands (PDF).

2008

Searching for quantum gravity with atmospheric neutrinos. December 12, 2008, Ph.D. thesis defense, Madison, Wisconsin (PPT or pdf).
Searching for quantum gravity with AMANDA-II and IceCube. November 11, 2008, PANIC'08, Eilat, Israel (PPT or pdf).
Searching for quantum gravity with AMANDA-II and IceCube. October 27, 2008, KICP "Impact" Workshop, Chicago, Illinois (PPT or pdf).
Status of the IceRay-0 radio testbed. Description of radio testbed for RF monitoring and background measurements at the South Pole. Overview of hardware, DAQ design, and results from integration and testing (PPT or pdf).
Presention of the IceRay proposal, an IceCube-centered radio GZK neutrino detector. For Bob Morse and the IceRay collaboration. April 30, 2008, IceCube Collaboration Meeting, Madison, Wisconsin (PPT or pdf).
Analysis of atmospheric neutrinos using AMANDA-II data from 2000-2006. Review of both new physics hypotheses (violation of Lorentz invariance and quantum decoherence) and conventional models. Analysis methodology using profile likelihood construction method of Feldman. Treatment and estimates of systematic errors. Sensitivity to new physics and measurement of conventional atmospheric flux. April 30, 2008, IceCube Collaboration Meeting, Madison, Wisconsin (PPT or pdf).
Talk for IceCube Journal Club on direct and indirect detection of dark matter. Review of dark matter and supersymmetry. Neutralino cross sections (spin-dependent vs. spin-independent). Recent limits on spin-independent cross section by the XENON10 experiment. Calculations of rates in IceCube for models with large spin-dependent cross sections. February 27, 2008, Madison, Wisconsin. (PPT, 3MB or pdf, 15MB).

2007

Testing violation of Lorentz invariance with atmospheric neutrinos and AMANDA-II. Talk for CPT'07, Bloomington, Indiana. (pdf, 16MB).
Testing alternative oscillation scenarios with atmospheric neutrinos using AMANDA-II data from 2000 to 2003. Poster with Jens Ahrens for ICRC 2007, Merida, Mexico. (v2.0, pdf, 700K)
Testing quantum gravity with high-energy neutrino telescopes. Invited overview talk including detection principles of neutrino telescopes; phenomenology of violation of CPT and Lorentz invariance; phenomenology of quantum decoherence; present limits and sensitivities of multiple experiments to such effects. Workshop "From Quantum to Emergent Gravity: Theory and Phenomenology", Trieste, Italy; June 15, 2007. (ppt, 7MB or pdf, 11MB). Proceedings: (pdf, 1.3MB).
MAM-style analysis of absorption lengths in ice using AMANDA data, Photonics, and PTD Monte Carlo. Ice structure is washed out in Millennium, and we suggest there may also be stronger absorption in the dust peaks. IceCube Collaboration Meeting, Lake Geneva, Wisconsin; April 27, 2007. (ppt, 2MB).
SPE distributions: measurements of IceCube DOM SPE distributions, especially at low-amplitudes; extraction of charge resolution and other parameters for in-ice DOMs using DOM-Cal results; general impact on simulation. IceCube Collaboration Meeting, Lake Geneva, Wisconsin; April 25, 2007 (ppt. 2MB).

2006

Sensitivity of AMANDA-II to violations of Lorentz invariance using atmospheric neutrino data. Brief overview of phenomenology, data analysis method, and first estimates of sensitivity. Presented by Alex Olivas at the Workshop for Exotic Physics with Neutrino Telescopes, Uppsala, Sweden; September 21, 2006 (ppt, 1.2M).
Brief summary of data analysis methods to be used for a search for violations of Lorentz invariance and quantum decoherence in AMANDA's atmospheric neutrino sample. See my talk from Baton Rouge for more details. Presented by Paolo Desiati at the IceCube Analysis Meeting, Penn State; June 2006 (pdf, 1.2M or ppt, 800K).
Presentation to third grade students at Lanigan Elementary School in Fulton, New York. Overview of work and recreation in Antarctica and the South Pole; IceCube deployment; etc. June 9, 2006 (ppt, 23M).
Background physics and data analysis methods to be used for a search for violations of Lorentz invariance and quantum decoherence in AMANDA's atmospheric neutrino sample. Includes preliminary sensitivities to both effects for 6 years of data. IceCube Collaboration Meeting, Baton Rouge, LA; April 10, 2006 (pdf, 2.5 M or ppt, 1.3M ).
Preliminary exam talk, describing background physics and data analysis methods to be used for a search for violations of Lorentz invariance and quantum decoherence in AMANDA's atmospheric neutrino sample. Includes preliminary VLI sensitivity for 6 years of data. UW-Madison, March 27, 2006 (ppt, 2.3M ).

2005

Update on OM relative sensitivity simulations. Results on misreconstructed muons at fairly low statistics show little deviation from standard distributions when sensitivities of string 1-4 and 11-13 are adjusted to R. Lang's levels. Similar results with per-OM sensitivity simulations. UW-Madison filtering meeting, November 14, 2005 and December 5, 2005 (pdf, 880K).
DOM-Cal update and tutorial. Update on improvements to DOM-Cal calibration software, especially channel gain agreement, and addition of transit time calibration. Tutorial on how to use calibration results to calibrate waveform voltage, time, and integrated charge. IceCube collaboration meeting, London; September 26, 2005 (pdf, 860K).
Extended TeV gamma-ray source in the Cygnus region. Detection by Milagro; CO surveys of the region. Coverage of previous point-source searches. UW-Madison group meeting, August 2005 (pdf, 3.7M).
AMANDA galactic plane presentation at the 29th ICRC, Pune, India; August 6, 2005. Please see this page.
IceCube DOM transit time measurements. Initial results of calibrating the PMT transit time and delay board using the mainboard LED within the DOM-Cal software (pdf, 400K).
AMANDA galactic plane analysis update. Sensitivity to line source and estimate of sensitivity to diffuse source. Berkeley collaboration meeting, March 2005 (pdf, 7.4M).
AMANDA galactic plane analysis update. Optimization of on-source region. First presentation of sensitivity to line source. Comparison to published models. Results of energy cut. UW-Madison group meeting, February 2005. (pdf, 7.0MB)

2004

IceTop DAQ hardware and software; GPS synchronization and coincidence; first data from IceTop, including peak spectra, muon telescope coincidences, etc. UW-Madison group meeting, February 2004. (pdf, 1.4M)
DOM-Cal software. Calibration of ATWD front-end electronics using a DOM-resident application, as well as HV gain calibration. DAQ meeting at PSL, July 2004. (pdf, 736K)
AMANDA galactic plane analysis. Overview of motivation and methodology. On-source event counting, simulation of galactic line source, and event weighting techniques. Uppsala collaboration meeting, Fall 2004 (pdf, 6.5MB).

2003

Basics of DOM hardware (FPGA, CPLD, etc.); STF test development; FPGA ping-pong mode; IceTop second penetrator. UW-Madison group meeting, Fall 2003. (pdf, 1.6M)
STF test framework; HV production tests; Temperature and pressure measurements using menu program. Mons collaboration meeting, 2003. (pdf, 540K)
Demonstration notes from November 2003 PSL meeting on uploading to a mainboard.
Demonstration notes from November 2003 PSL meeting on building DOM software using dom-ws.