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Selected quantum chromodynamics measurements performed at the Fermilab Run II Tevatron ppbar collider running at sqrt{s}=1.96 TeV by D0 and CDF Collaborations are presented. Events with W/Z+jets productions are used to measure many…

High Energy Physics - Experiment · Physics 2012-10-31 D. Bandurin

Ta films with tetragonal crystalline structure (beta-phase), deposited by magnetron sputtering on different substrates (steel, silicon and silicon dioxide), have been studied. In all cases, very highly preferred (001) orientation was…

Materials Science · Physics 2009-11-10 Aiqin Jiang , Trevor A. Tyson , Lisa Axe , Leszek Gladczuk , Marek Sosnowski , Paul Cote

One of the main goals for hadron colliders is the study of the properties of the third generation quarks. We study the signatures for new TeV resonances that couple to top or bottom quarks both at the Tevatron Run II and at the LHC. We find…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Han , G. Valencia , Yili Wang

Recent developments in models with warped extra dimensions have opened new possibilities for vector-like quark studies at hadron colliders. These new vector-like quarks can mix sizably with light Standard Model quarks without violating low…

High Energy Physics - Phenomenology · Physics 2009-11-13 Anupama Atre , Marcela Carena , Tao Han , Jose Santiago

The top quark has been discovered in 1995 at the CDF and DO experiments located in the Tevatron ring at the Fermilab laboratory. After more than a decade the Tevatron collider, with its center-of-mass energy collisions of 1.96 TeV, is still…

High Energy Physics - Experiment · Physics 2007-10-22 Fabrizio Margaroli

We report precision measurements of the top quark mass using events collected by the D{\O}and CDF II detectors from $p\bar{p}$ collisions at $\sqrt s = 1.96$ TeV at the Fermilab Tevatron. Measurements are presented in multiple decay…

High Energy Physics - Experiment · Physics 2007-05-23 Daniel Whiteson

Recent results on top-quark mass measurements with the ATLAS detector using proton-proton collisions at the Large Hadron Collider are presented. These results correspond to the measurements in the $t\bar{t}$ all-hadronic and dilepton…

High Energy Physics - Experiment · Physics 2019-08-13 Kaven Yau Wong

The equations for calculating diffraction profiles for bent crystals are revisited for both meridional and sagittal bending. Two approximated methods for computing diffraction profiles are treated: multilamellar and Penning-Polder. A common…

Materials Science · Physics 2015-03-13 Manuel Sanchez del Rio , Nicolas Perez-Bocanegra , Xianbo Shi , Veijo Honkimaki , Lin Zhang

Convergent beam electron diffraction is routinely applied for studying deformation and local strain in thick crystals by matching the crystal structure to the observed intensity distributions. Recently, it has been demonstrated that CBED…

Mesoscale and Nanoscale Physics · Physics 2020-03-31 Tatiana Latychevskaia , Colin Robert Woods , Yi Bo Wang , Matthew Holwill , Eric Prestat , Sarah J. Haigh , Kostya S. Novoselov

The top quark is the most recently discovered of the standard model quarks, and because of its very large mass, studies of the top quark and its interactions are important both as tests of the standard model and as searches for new physical…

High Energy Physics - Experiment · Physics 2019-08-14 David J. Mietlicki

Recent measurements in the top quark sector at the Fermilab Tevatron collider are discussed. Measurements at the Tevatron use up to 9.7/fb of data corresponding to the full data sets recorded by the CDF and D0 experiments, respectively.…

High Energy Physics - Experiment · Physics 2015-06-19 Andreas Werner Jung

We theoretically investigate collision of optical beams travelling in opposite directions through a centrosymmetric photorefractive crystal biased by a spatially non-uniform voltage. We analytically predict the fusion of counterpropagating…

Optics · Physics 2015-05-13 A. Ciattoni , A. Marini , C. Rizza , E. DelRe

In these proceedings, I review recent measurements in the top quark sector in $p\bar p$ collisions at a centre-of-mass energy of $\sqrt s=1.96$ TeV in Run II of the Fermilab Tevatron Collider using the D0 detector. I will present the…

High Energy Physics - Experiment · Physics 2015-04-13 Oleg Brandt

Experimental results and simulation models show that crystals might play a relevant role for the development of new generations of high-energy and high-intensity particle accelerators and might disclose innovative possibilities at existing…

We present a new observable, $\Delta \phi$, an azimuthal angle difference between $t$ and $\bar{t}$ quarks in $t\bar{t}$ pair production, at hadron colliders as an interesting probe of the radiative quantum chromodynamics process as well as…

High Energy Physics - Phenomenology · Physics 2013-05-30 Suyong Choi , Hyun Su Lee

We present the most recent and sensitive measurements of the top quark mass, performed by the Tevatron experiments, D0 and CDF, using ppbar collision data at sqrt(s) = 1.96 TeV. We also present the first measurement of the top quark…

High Energy Physics - Experiment · Physics 2015-10-16 Boris Tuchming

We summarize results of the 1996 Snowmass workshop on future prospects for discovering dynamical electroweak symmetry breaking, compositeness, and anomalous couplings of quarks at colliders. We present the mass reach of the Tevatron to a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kingman Cheung , Robert M. Harris

An experiment EPECUR, aimed at the search of the cryptoexotic non-strange member of the pentaquark antidecuplet, started its operation at a pion beam line of the ITEP 10 GeV proton synchrotron. The invariant mass range of the interest…

We report our in-depth study of Cd-Zn-Te (CZT) crystals to determine an optimum pixel and guard band configuration for Hard X-ray imaging and spectroscopy. We tested 20x20x5mm crystals with 8x8 pixels on a 2.46mm pitch. We have studied…

After a five year upgrade period, the Fermilab experiments CDF and DO are taking high quality data in Run II of the Tevatron Collider. We report on the start-up of both detectors and present a selection of first B physics results from the…

High Energy Physics - Experiment · Physics 2019-08-14 Manfred Paulini