Difference: NevisSeminars (28 vs. 29)

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Nevis Seminar

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Thursday Jan. 30th

1pm Tim Andeen The ATLAS Experiment, from Nevis to CERN Columbia University has a large team of scientists working on the ATLAS experiment at the Large Hadron Collider (LHC) at CERN in Geneva, Switzerland. Scientists from Nevis have been involved in every aspect of the experiment. Significant components of ATLAS were developed and built at Nevis and work continues upgrading the detector. The latest searches for physics beyond the Standard Model will be discussed as we look forward to even higher energy collisions in 2015 and beyond. Lunch at 12:30 pm  
Tuesday Feb. 18th 1pm Jose Alonso Pushing the Envelope of Cyclotron Technology: from Medical Applications to Neutrino Sources The Cyclotron, patented by E.O. Lawrence in 1934, has traditionally been a tool for nuclear physicists to study properties of nuclei. Even from the earliest days, however, applications of the beams from these machines in other fields have played an important role. Glenn Seaborg, in 1938 proposed the first use of an iodine isotope he discovered at the 27” cyclotron as a medical tracer, and in that same year Ernest's brother John Lawrence developed a program of treating tumors with neutrons from cyclotron beams hitting beryllium targets. Today cyclotrons are in widespread use: for radioisotope production, for cancer therapy with proton beams, and for increasingly-diversified programs in nuclear and particle physics research. This talk will cover the range of applications, and the evolution of machines optimized for each, and will explore new developments, from compact superconducting machines tailored for medical uses, up to and including a new project for development of very high-current cyclotrons as compact, cost-effective neutrino sources. Lunch at 12:30 pm  
Thursday Feb. 27th 1pm Mike Hahn Evidence for Wave Heating in the Solar Corona One of the major problems in astrophysics is to understand how the solar corona is heated to over a million degrees. In this talk I will review the coronal heating problem, its possible solutions, and present our results indicating that waves carry energy into the corona from lower layers of the Sun. Lunch at 12:30 pm  
Thursday Mar. 27th 1pm       Lunch at 12:30 pm  
Thursday Apr. 24th 1pm       Lunch at 12:30 pm  
Thursday Mar. 27th 1pm André Loose Counting krypton atoms, one at a time Atom trap trace analysis (ATTA) is a method to detect trace amounts of noble gas isotopes, with up to one part per quadrillion sensitivity - equivalent to one drop of water diluted into a water cube as tall as the Empire State Building. I will talk talk about the ATTA setup at Columbia, which will be used to monitor the krypton contamination in the XENON1T dark matter detector. Lunch at 12:30 pm  
Thursday Apr. 24th 1pm Rachel Carr     Lunch at 12:30 pm  
  Fall 2013:
Date Time Speaker Title Description Notes Slides
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