Fermilab Today
Thursday, March 27, 2008
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Reminder: symmetry expands online Shedding new light An IDES representative will presence, features new blog on an old problem conduct the final on-site group meetings at 11 a.m. and noon in the Wilson Hall One West conference room on Friday, March 28.
New furlough information, including an up-to-date Q&A section, appears on the furlough Web pages daily. symmetry magazine now provides more online content while it saves money by publishing fewer Layoff Information print issues. This figure shows the transverse photon New information on Fermilab From the symmetry editor: momentum in large extra dimension candidate layoffs, including an up-to-date events. The additional rate of signal events is This week's distribution of the new issue of Q&A section, appears on the shown in the open histogram along with the layoff Web pages daily. symmetry launches the next phase of the expected backgrounds. magazine's development. Our readers now Calendar use the magazine in different ways, and we When it comes to particle interactions, the are reaching a much larger audience. While force of gravity is an oddity. It is also entirely Thursday, March 27 readers are outspoken in wanting to keep the absent from the Standard Model theory. 10 a.m. print magazine, many of them are now more Although gravity is an undeniable force in our Presentations to the Physics comfortable reading online. everyday life and dominates interactions on the cosmological scale, it is by far the weakest Advisory Committee - Curia II Starting from this issue, we will publish six force at the particle level and has never been
1 p.m. print issues each year instead of 10 and add a successfully integrated in a quantum Physics and Detector Seminar much larger range of online content, saving description of the universe. Theorists have - West Wing, WH10NW money in the process. We have completely attempted to fill this glaring hole in the SM by Speaker: G. Mavromanolakis, redesigned our Web site to accommodate this supposing that gravity's weakness arises University of Cambridge expansion. Our hope is that this will give because of the presence of large extra spatial Title: CALICE Update readers new ways to respond and become dimensions. Because we don't observe them THERE WILL BE NO active members of the symmetry community. on a daily basis, these extra dimensions would THEORETICAL PHYSICS have to be compactified (or curled up). If SEMINAR THIS WEEK We still plan to cover the same kinds of topics normal elementary particles were confined to
3:30 p.m. in the magazine, but will be adding online our three dimensions, we could explain DIRECTOR'S COFFEE resources we think readers will find useful, gravity's weakness by its dilution in these large BREAK - 2nd Flr X-Over including backgrounders and fact sheets on extra dimensions (LEDs). This theory, if true, THERE WILL BE NO many topics. would shed light on one of the greatest ACCELERATOR PHYSICS mysteries of modern physics. AND TECHNOLOGY Online, we will be posting new content on a SEMINAR TODAY regular basis, a few times per week at least. Fermilab's Tevatron collider might allow The new online section, called symmetry scientists to see into these extra dimensions.
Friday, March 28 breaking, will have the latest stories and A particle known as a Kaluza-Klein graviton Presentations to the 9 a.m. discussions on topics ranging from research would act as a physical signature of LEDs. Physics Advisory Committee - and news to policy and analysis. Of course, The stable graviton would not interact with the Curia II there will still be plenty of the fun stories that detector material. The momentum 3:30 p.m. are a hallmark of the magazine. conservation requirement over all particles in DIRECTOR'S COFFEE the interaction would signal its presence. BREAK - 2nd Flr X-Over Bubbling away in the background, we already Researchers at the DZero experiment have 4 p.m. have a symmetry Facebook group and recently completed a search for LEDs in Joint Experimental-Theoretical YouTube channel and expect to see them events with a single photon and missing
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Physics Seminar - One West become more active in coming months. We energy. Because these events have a very Speaker: T. Junk, Fermilab will be soliciting science videos and well-defined energy resolution they can form a Title: Measurement of Single photographs for contests, and looking for other precise test of LED theories. Top Quark Production with materials from the very creative minds of our CDF readers that deserve a wider audience. As In just over one inverse femtobarn of data, 8 p.m. always, if you would like to see us address a DZero researchers found no evidence for Fermilab Lecture Series - particular topic or have ideas you think will LEDs. Though direct gravity measurements can only probe length scales of a few hundred Auditorium appeal to fellow readers, please let us know. microns, this search provides a probe of extra Speaker: Dr. Daphne Fautin, This next phase of symmetry is very exciting dimension scales down to a millimeter if there University of Kansas for our team, and we hope you will all join in. are just two dimensions and sub-atomic length Title: Census of Marine Life: scales for up to eight dimensions. How Many Fish, Sea -- David Harris, symmetry editor Anemones, and Clams Live in These results are a significant improvement the Ocean and Where Do They Photo of the Day over previously published Tevatron LED Live? results. Searching for LEDs with a single Tickets: $5 The science of illusion photon is a valuable technique for DZero researchers, and they will continue their Click here for NALCAL, search as the Tevatron delivers more data. a weekly calendar with links With luck, this search could shed light on the to additional information. fundamental nature of gravity, one of our oldest mysteries. Weather Read more
Rain/Snow 36°/25° This team of DZero collaborators made primary Extended Forecast contributions to this analysis. Weather at Fermilab Current Security Status CDF's Luciano Ristori (center) gives a tour Secon Level 3 Tuesday of the facility to Gordon Meyer (left), technical writer at Apple Computers; Eugene Burger (right), Chicago-based magician; and Jack Wilson Hall Cafe Gould (not pictured), professor and former dean at of the Graduate School of Business at the Thursday, March 27 University of Chicago. Ristori, a magic enthusiast, - Santa Fe black bean met Burger on a trip to Rome and offered the - Sloppy Joe magician a tour of the laboratory. - Chicken cordon blue Announcement - Smart Cuisine: spinach enchiladas - Baked ham & swiss on a Phishing threat results in ciabatta toll zip attachment blockage - Assorted pizza slices - Crispy fried chicken ranch A recent phishing e-mail salad exploit has resulted in *Carb restricted alternative several compromises at other laboratories. As a Wilson Hall Cafe menu short term defensive Chez Leon measure, the laboratory is blocking e-mails with zip attachments. The restriction, announced in the March 25 Computing Mark Leininger, DZero's Common Samples Group works to ensure Division News column, will computer security that the data and simulated events are made manager be lifted when other available in a robust and uniform manner. Their defensive measures are efforts eliminate many of the obstacles involved put in place. The subject currently used in the with performing analysis in the large (and growing) phishing e-mail is "Project Data Summary DZero data set. Report." The e-mail contains a URL and zip
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Thursday, March 27 attachment. Following the link or opening the Result of the Week Archive Dinner attachment can result in a compromise of the - Closed machine. Please remember that e-mail can Accelerator Update easily be crafted to appear as though it was Wednesday, April 2 sent by someone you know or from a list that March 24-26 Lunch you subscribe to. If the message doesn't seem - Three stores provided 43 hours and 14 - Enchilada de pollo authentic or anything about it doesn't seem minutes of luminosity - Ensalada Mexicana right, don't click on links and don't open - Modified Linac Spectrometer power supply - Pineapple flan attachments. If you follow a link or open an gets remote controls attachment that you suspect is from an - Scheduled power outage for Soudan Mine on Chez Leon menu illegitimate source, please report the incident 3/27/08 Call x4598 to make your to your system administrator or call the reservation. helpdesk at x2345, so they can check your Read the Current Accelerator Update Archives machine. Read the Early Bird Report View the Tevatron Luminosity Charts --Mark Leininger, computer security manager Fermilab Today Announcements In the News Have a safe day! Result of the Week Science, art fuse in lightning- IDES representative on site Friday like creation A representative from Illinois Department of Safety Tip of the Week From Beacon News, Employment Security will be on site in the March 26, 2008 Wilson Hall One West conference room for the ILC NewsLine last on site visit Friday, March 28. Due to the So how do you grow an electron tree? increase in attendance, two larger group meetings will occur at 11 a.m. and 12 p.m. If Info Simply release millions of volts of electricity you are beginning your furlough week, please into a block of acrylic plastic -- and watch the fill out a benefit application on site. You may growing process begin. Fermilab Today also apply for benefits online or at your local IDES office the week you are on furlough. is online at: "Suddenly the whole thing bursts out and Please contact Heather Sidman x3326 or www.fnal.gov/today/ there's a flash of light and the electrons disperse through the plastic. It takes 100- Jeannelle Smith x4367 with questions. Send comments and billionth of a second to produce this," suggestions to: explained Fermi National Accelerator Standard mileage reimbursement rate [email protected] Laboratory scientist Todd Johnson. The Internal Revenue Service and the General Services Administration have issued the 2008 A group of youngsters on a spring break trip to standard mileage reimbursement rates as 50.5 the SciTech Museum in downtown Aurora had cents per mile, effective March 19, 2008. the rare opportunity of seeing how science can
replicate the natural forces of a lightning bolt -- SciTech summer camps and create a beautiful branching pattern called The SciTech Hands-on Museum offers a Lichtenberg figure or "electron tree." Science Adventure Camps for children age 6- 8 and age 9+. Week-long camps begin on The figure is named after Georg Christoph June 23 and run from 9 a.m. to 3 p.m. Fees Lichtenberg, who in 1777 discovered the basic range from $200 to $225 per week. Before- principle of modern xerographic copying. The and after-care is available for an extra fee. For images he reproduced are called Lichtenberg more information, visit the SciTech Web site. figures. DreamWeaver CS3: Advanced "These are not very common even now," Web site developers, Web site designers, Johnson said of the 3-dimensional Lichtenberg marketing managers, Web graphic artists and figures, which take some serious hardware to Web site administrators can take an advanced produce. class in DreamWeaver CS3. Learn more and enroll Johnson travels out-of-state a couple times a year for use of a 5-million-volt particle Additional Activities accelerator to infuse millions of volts of electrons into the blocks of acrylic plastic.
"The patterns follow the same rules as if file:///U|/wwwdocs/pub/v5_0/today/archive_2008/today08-03-27.html (3 of 4)3/28/2008 10:21:16 AM Fermilab Today
lightning strikes a golf green," the high-voltage hobbyist said.
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