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Marianna Gabrielyan

In Control

Marianna Gabrielyan is a postdoctoral researcher in the NOVA collaboration. Though she came on board the experiment to do data analysis, she has found herself responsible for quite a bit of the hardware on the NOVA project. Gabrielyan recently setup a control room in the Physics and Nanotechnology Building. This control room will eventually allow researchers at the U in the Twin Cities to take shifts monitoring both Near and Far detectors, a function that is presently done at Fermilab, outside of Chicago. More »

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Particle Reconstruction at High Pile-up

Sean Kalafut is a graduate student working on the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) at CERN under the direction of Professor Roger Rusack. Kalafut’s research focuses on particle reconstruction in high pile-up. Kalafut uses a physical analogy to describe high pile-up. “Imagine two people are each standing four feet in front of you, and the distance between the two people is four feet. Each person is holding a camera with a flash, and each person takes a photo of you with the flash turned on. More »

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Building the right sandwich: novel magnetic tunnel junctions

Barry Costanzi is a graduate student in Professor Dan Dahlberg’s Magnetic Microscopy and Transport group. Costanzi’s research involves a novel method of creating magnetic tunnel junctions by using Electron Beam Induced Deposition (EBID). His work is in collaboration with the Royal Institute of Technology in Stockholm, and requires him to travel to Sweden every couple of months. More »

Marco Peloso

Signatures of Inflation

Marco Peloso is a theorist working in the area of cosmology (the study of the early Universe). His research focuses on models of inflation, which is a period of accelerated expansion that took place very early in the life of the Universe. Observational cosmologists look for the signatures of inflation in the forms of gravitational waves and of density perturbations, which can be seen as small ripples in the Cosmic Microwave Background (CMB) data. More »

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Exotic Phases of Matter

Fiona Burnell is a condensed matter theorist who studies exotic phases of matter. These are materials which do not display long-ranged order at low temperatures (which is typical of low-temperature behaviour in many materials, such as magnets), but are also not ordinary metals. One of the most bizarre examples of an exotic phase is a fractionalized system, where there appear to be particles that carry a fraction of the charge of the electron. “This seems very surprising because we know that you can’t subdivide an electron,” Burnell explains. More »

Tony Gherghetta

Going Beyond the Standard Model

Tony Gherghetta is a theoretical particle physicist whose research focuses on extensions of the Standard Model of particle physics. The Standard Model describes the nature and interactions of the elementary building blocks of the Universe. More »

Mikhail Shifman

At the Crossroads

Professor Mikhail Shifman, recent Pomeranchuk prize winner, says that particle physicists are experiencing a crucial time. And he ought to know. Shifman has written several books on the history of elementary particle physics. "We are at a crossroads, we will go to the left or to the right or nowhere" Shifman says, referring to the fact that supersymmetry, the theory that states that there are superpartners for every known particle, has not yet been discovered at the Large Hadron Collider. More »

Clint Young

Heavy Ion Collisions

Clint Young is a Research Associate at the School of Physics and Astronomy who studies ultrarelativistic heavy ion collisions. In these experiments, atomic nuclei are accelerated to speeds exceeding 99% of the speed of light and then collide. More »

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