1,578,457 research outputs found

    Search for New Physics at CDF

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    We present the current status of the search for new physics at CDF, using integrated luminosity up to 3.2 fb-1. We cover searches for supersymmetry, extra dimensions, new heavy bosons, and generic dilepton resonances.Comment: Contribution to the proceedings of Lake Louise Winter Institute: Fundamental Interactions (LLWI 2009), Lake Louise, Alberta, Canada, February 16-21, 200

    Search for RS-gravitons at CDF

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    We present a search for Randall-Sundrum (RS) gravitons decaying to diphotons or dielectrons or dimuons, performed with the CDF II detector and using up to 5.7 fb-1 of integrated luminosity. The respective mass spectra are consistent with the ones expected by the standard model. For the RS-model parameter k/M_Pl=0.1, RS-gravitons with mass less than 1111 GeV/c^2 are excluded at 95% CL.Comment: XIX International Workshop on Deep Inelastic Scattering and related subjects -- DIS11, Newport News, VA, USA Apr. 11-15, 2011 [4 pages, 4 figures

    Search for trilepton SUSY signal at CDF

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    The chargino-neutralino production with subsequent leptonic decays is one of the most promising supersymmetry (SUSY) signatures at the Tevatron proton-antiproton collider. We present the most recent results on the search for the three-lepton and missing-transverse-energy SUSY signature using 3.2 fb-1 of data collected with the CDF II detector. The results are interpreted within the minimal supergravity (mSUGRA) scenario.Comment: Proceedings of the 17th International Conference on Supersymmetry and the Unification of Fundamental Interactions (SUSY 09), Boston MA, USA, June 5-10, 2009. To be published by the American Institute of Physic

    Heavy Flavor Production in CDF II Detector

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    For data collected with the CDF Run II detector, measurements of the charm and bottom production cross-sections are presented. The results are based both on large samples of fully reconstructed hadron decay products of charm and bottom made available by the tracking triggers and on a calorimeter jet triggered sample tagged by the presence of a secondary vertex. The experimental data are compared with theoretical predictions from recent next-to-leading order (NLO) QCD calculations.Comment: 5 pages, 3 figures; a write up of the talk given on behalf of the CDF Collaboration at the XVII Particles and Nuclei International Conference, PANIC 05, October 24-28, 2005, Santa Fe, New Mexico, U.S.

    Unauthorized Migration and Border “Control”: Three Regional Views

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    This is a revised transcript of a talk given at the Latin American and Iberian Institute at the University of New Mexico, Albuquerque, New Mexico, on February 29, 2008

    The EEC-Mexican Agreement: Time for Reevaluation?

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    This Note argues that the EEC and Mexico should modify their current agreement. Part I examines the terms of the EEC-Mexican Agreement. Part II discusses the changing economic factors in the EEC and Mexico that dictate the need for a new agreement. Part III suggests modification of the EEC-Mexican Agreement to enhance the economic relationship between the EEC and Mexico. The Note concludes that the EEC, the second largest trading bloc in the world, should offer Mexico greater cooperation to enable Mexico to expand its non-petroleum exports and thereby modernize its industrial capacity. A new agreement with specific provisions designed to attain these goals would further the economic objectives not only of Mexico, but of the EEC as well

    A revision of the genus Maracandula Currie (Neuroptera: Myrmeleontidae)

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    Three new species of Maracandula are described from Mexico and included in a key to the five species in Mexico. Diagnoses of the species are given as well as distributional data.Se describen tres especies nuevas de Maracandula de Mexico y se incluye una clave de las cinco especies conocidas de Mexico

    Cephalocyclus majomaensis and Oscarinus cabreroi new species of Mexican Aphodiinae (Coleoptera: Scarabaeidae: Aphodiinae)

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    The new species Cephalocyclus majomaensis and Oscarinus cabreroi from Mexico are described and figured. While studying specimens from Mexico to complete a systematic revision of the Aphodiinae (Coleoptera: Scarabaeidae) of that region, we found a couple of species new to science. They belong to the genera Cephalocyclus Dellacasa, Gordon and Dellacasa, 1998 and Oscarinus Gordon and Skelley, 2007, and are described here

    Strengthening Democracy, Increasing Opportunities: Impacts of Advocacy, Organizing and Civic Engagement in New Mexico

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    Strengthening Democracy, Increasing Opportunities: Impacts of Advocacy, Organizing and Civic Engagement in New Mexico by Lisa Ranghelli looks at 2003-2007 data from 14 New Mexico nonprofits, which shows high return on investments and successful policy changes that benefit New Mexicans, such as anti-predatory lending laws, minimum wage increases and homeless trust funds

    Evaluation of commercial utility of ERTS-A imagery in structural reconnaissance for minerals and petroleum

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    Five areas in North America (North Slope-Alaska, Superior Province-Canada, Williston Basin-Montana, Colorado and New Mexico-West Texas) are being studied for discernibility of geological evidence on ERTS-1 imagery, Evidence mapped is compared with known mineral/hydrocarbon accumulations to determine the value of the imagery in commercial exploration programs. Evaluation has proceeded in the New Mexico-West Texas area while awaiting imagery in the other areas. To date, results have been better than expected. Clearly discernible structural lineaments in New Mexico-West Texas are evident on the photographs. Comparison of this evidence with known major mining localities in New Mexico indicates a clear pattern of coincidence between the lineaments and mining localities. In West Texas, lineament and geomorphological evidence obtainable from the photographs define the petroleum-productive Central Basin Platform. Based on evaluation results in the New Mexico-West Texas area and on cursory results in the other four areas of North America, ERTS-1 imagery will be extremely valuable in defining the regional and local structure in any commercial exploration program
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