26,981 research outputs found

    Jet Production in p-Pb Collisions

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    One of the major results from the study of high energy heavy ion collisions is the observation of jet quenching. The suppression of the number of jets observed in heavy ion collisions relative to pp collisions at the same energy scaled by the number of binary collisions, is attributed to partonic energy loss in the quark gluon plasma (QGP). However, cold nuclear matter effects due to the presence of a nucleus in the initial state could also influence this measurement. To disentangle these effects p-Pb collisions are studied, where QGP formation is not expected to occur and only cold nuclear matter effects are present. In addition to being an important baseline for understanding jet quenching, jets in p-Pb collisions may also be used to provide constraints on the nuclear parton distribution functions. Fully reconstructed jets measured using the ALICE tracking system and electro-magnetic calorimeter in p-Pb collisions at sNN=5.02\sqrt{s_{NN}}=5.02 TeV are reported. In addition to the spectra, studies of the jet fragmentation behavior in p-Pb collisions are also presented.Comment: 6 pages, 5 figures, Proceedings of the Second Annual Conference on Large Hadron Collider Physics (LHCP 2014), June 2-7, 2014, New Yor

    The Thayer Method: Student Active Learning with Positive Results

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    Graduation from West Point requires successful completion of four courses in the mathematical sciences. These core mathematics courses include topics in discrete dynamical systems, differential and integral calculus (single variable and multivariable), differential equations, linear algebra, probability, and statistics. The instructional system employed throughout the core is the Thayer Method, named for Colonel Sylvanus Thayer, the Father of the Military Academy. In the Thayer Method, traces of cooperative education and discovery learning are evident. It is quintessential active learning. The West Point catalyst is the fundamental principle that cadets are responsible for their own education

    A Review of Marcus Borg\u27s Meeting Jesus Again for the First Time

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    In lieu of an abstract, below is the essay\u27s first paragraph. Meeting Jesus Again for the First Time was written by Marcus J. Borg and was first published in 1994. Much of the information and theories found within the book came from and annual lecture Borg gave at the Northern California Conference of the United Church of Christ at Asilomar, California in 1992. The main idea of Borg’s novel is that “there is a strong connection between images of Jesus and images of the Christian life, between how we think of Jesus and how we think of the Christian life “(Howard 1-2)

    Annular rocket motor and nozzle configuration Patent

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    High thrust annular liquid propellant rocket engine and exhaust nozzle desig

    The First Run

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    Annular supersonic decelerator or drogue Patent

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    Bluff-shaped annular configuration for supersonic decelerator for reentry vehicle
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