Wednesday+October+3rd,+2012

Today I arrived at Quarknet at 3:30, and waited for John to arrive. Once he arrived, he told us we were going to start working on the CMS e-lab detector, with Histograms for the data sets. He instructed us on how to access the e-lab, so that we can do this on our own if we have too. The histogram set that we looked at was had an X axis of eta and a Y axis representing number of events in the area. He had us zoom in to the area between -.2 and .2, because that is the location in which most cosmic rays occur. These were the histogram graphs that we were looking at, which were on the CMS e-lab web page. The first is a histogram representing mass and number of events, the second histogram shows eta and number of events, while the third histogram represents Phi and the number of events. John then split us into two groups, one of us will explain the e-lab, while the other will be explaining the many eyes. I decided to work with Jason on the CMS e-lab portion of the project, due to the fact that I do not fully comprehend the usefulness of the many eyes tool, which Alex and Grace seemed to be very effective with using. According to the first graph, at around 40 Gev, the histogram just kind of becomes a straight line, and does not have any more events occurring, showing that the cosmic ray has a higher mass, while the particles with a lower mass are all scattered around, mostly under 30 Gev. This may show a cosmic ray because events are no longer occurring so it is just one large set of information that can be viewed. The other two graphs, with eta and Phi, show almost the same thing, just backwards. On the histogram representing eta, the negative side of the graph was slightly higher than the positive side of the graph, while on the histogram representing Phi, the negative side of the was slightly lower than the positive side of the graph. The graphs had been cut and zoomed several times to give much more accurate readings and to allow better interpretation of the graphs. Once cut I took the images that appear above, I observed the changes that had occurred in the histograms and I made an assumption that there was a cosmic ray, due to the data that I and the rest of the group had collected. After I had done this Dr. L came into the lab and discussed what we will be doing next. After doing this, It was time for me to leave, at around