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Browsing MIT Open Access Articles by Title

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  • Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Paus, Christoph M. E. (American Physical Society, 2013-09)
    We combine searches by the CDF and D0 Collaborations for the standard model Higgs boson with mass in the range 90–200  GeV/c[superscript 2] produced in the gluon-gluon fusion, WH, ZH, t[¯ over t]H, and vector boson fusion ...
  • Berger, Carola; Marcantonini, Claudio; Stewart, Iain; Tackmann, Frank; Waalewijn, Wouter J. (Springer-Verlag, 2011-04)
    A major ingredient in Higgs searches at the Tevatron and LHC is the elimination of backgrounds with jets. In current H → WW → lνlν searches, jet algorithms are used to veto central jets to obtain a 0-jet sample, which ...
  • Cai, Yan; Bessette, Jonathan T.; Kimerling, Lionel C.; Michel, Jurgen; Camacho-Aguilera, Rodolfo Ernesto (Optical Society of America, 2012-09)
    We demonstrate CVD in situ doping of Ge by utilizing phosphorus delta-doping for the creation of a high dopant diffusion source. Multiple monolayer delta doping creates source phosphorous concentrations above 1 × 10[superscript ...
  • Gai, Annie; Wittrup, Karl Dane; Pancer, Zeev; Mariuzza, Roy A.; Flajnik, Martin F.; Xu, Gang; Velikovsky, C. Alejandro; Tasumi, Satoshi (United States National Academy of Sciences, 2009-06)
    Lamprey are members of the ancestral vertebrate taxon (jawless fish), which evolved rearranging antigen receptors convergently with the jawed vertebrates. But instead of Ig superfamily domains, lamprey variable lymphocyte ...
  • Hayden, Joshua A.; Brophy, Megan Brunjes; Nolan, Elizabeth M.; Cunden, Lisa Stephanie (American Chemical Society (ACS), 2012-12)
    Calprotectin (CP) is a transition metal-chelating antimicrobial protein of the calcium-binding S100 family that is produced and released by neutrophils. It inhibits the growth of various pathogenic microorganisms by ...
  • Demory, Brice-Olivier; Seager, Sara (IOP Publishing, 2011-06)
    Hot Jupiters are expected to be dark from both observations (albedo upper limits) and theory (alkali metals and/or TiO and VO absorption). However, only a handful of hot Jupiters have been observed with high enough photometric ...
  • Gopinath, Juliet; Hong, Kyung-Han; Siddiqui, Aleem M.; Moses, Jeffrey; Lai, Chien-Jen; Hybl, John D.; Fan, Tso Yee (Institute of Electrical and Electronics Engineers, 2009-08)
    We report on a 300-W-level picosecond laser based on a cryogenically-cooled Yb:YAG amplifier seeded by a fiber CPA system. High-average-power picosecond second harmonic generation is also presented.
  • Foley, Maria Hottelet; Forcier, Talitha L.; McAndrew, Elizabeth; Gonzalez, Michael; Chen, Huabiao; Juelg, Boris; Walker, Bruce D.; Irvine, Darrell J. (Public Library of Science, 2014-02)
    The dissemination of HIV from an initial site of infection is facilitated by motile HIV-infected CD4+ T-cells. However, the impact of infected target cell migration on antigen recognition by HIV-specific CD8+ T-cells is ...
  • Tavakoli Nia, Hadi; Soltani Bozchalooi, Iman; Li, Yang; Han, Lin; Hung, Han-Hwa K.; Frank, Eliot; Youcef-Toumi, Kamal; Ortiz, Christine; Grodzinsky, Alan J. (Elsevier B.V., 2013-04)
    Utilizing a newly developed atomic-force-microscopy-based wide-frequency rheology system, we measured the dynamic nanomechanical behavior of normal and glycosaminoglycan (GAG)-depleted cartilage, the latter representing ...
  • Emadi, Nazli; Rajimehr, Reza; Esteky, Hossein (Frontiers Research Foundation, 2014-11)
    Spontaneous firing is a ubiquitous property of neural activity in the brain. Recent literature suggests that this baseline activity plays a key role in perception. However, it is not known how the baseline activity contributes ...
  • Lu, Bin; Palacios, Tomas (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    In this letter, we present a new technology to increase the breakdown voltage of AlGaN/GaN high-electron-mobility transistors (HEMTs) grown on Si substrates. This new technology is based on the removal of the original Si ...
  • Razavipour, S. G.; Dupont, E.; Chan, Chun Wang Ivan; Xu, C.; Wasilewski, Z. R.; Laframboise, Sylvain R.; Hu, Qing; Ban, D. (American Institute of Physics, 2014-01)
    A Terahertz quantum cascade laser with a rather high injection coupling strength based on an indirectly pumped scheme is designed and experimentally implemented. To effectively suppress leakage current, the chosen quantum ...
  • Narayan, Tarun Chandru; Miyakai, Tomoyo; Seki, Shu; Dinca, Mircea (American Chemical Society, 2012-08)
    The tetratopic ligand tetrathiafulvalene-tetrabenzoate (H[subscript 4]TTFTB) is used to synthesize Zn[subscript 2](TTFTB), a new metal–organic framework that contains columnar stacks of tetrathiafulvalene and benzoate-lined ...
  • Park, Pangun; Khadilkar, Harshad Dilip; Balakrishnan, Hamsa; Tomlin, Claire J. (Institute of Electrical and Electronics Engineers (IEEE), 2014-11)
    This paper addresses the design of a secure and fault-tolerant air transportation system in the presence of attempts to disrupt the system through the satellite-based navigation system. Adversarial aircraft are assumed to ...
  • Wu, Chaohong; Hong, Pengyu; Schulte, Joost; Sepp, Katharine J.; Littleton, J. Troy (Public Library of Science, 2011-08)
    To identify Huntington's Disease therapeutics, we conducted high-content small molecule and RNAi suppressor screens using a Drosophila primary neural culture Huntingtin model. Drosophila primary neurons offer a sensitive ...
  • Nieland, Thomas J.; Logan, David J.; Saulnier, Jessica; Lam, Daniel; Johnson, Caroline; Root, David E.; Carpenter, Anne E.; Sabatini, Bernardo L. (Public Library of Science, 2014-03)
    The formation of synapses, the specialized points of chemical communication between neurons, is a highly regulated developmental process fundamental to establishing normal brain circuitry. Perturbations of synapse formation ...
  • Hobbs, Richard; Yang, Y.; Keathley, Phillip D.; Swanwick, Michael E.; Velasquez-Garcia, L. F.; Kaertner, Franz X.; Graves, William S.; Berggren, Karl K. (IOP Publishing, 2014-10)
    We demonstrate the design, fabrication, characterization, and operation of high-density arrays of Au nanorod electron emitters, fabricated by high-resolution electron beam lithography, and excited by ultrafast femtosecond ...
  • Gire, Stephen; Ellis, Crystal; Calderwood, Stephen B.; Qadri, Firdausi; Hensley, Lisa E.; Kellis, Manolis; Ryan, Edward T.; LaRocque, Regina C.; Harris, Jason B.; Sabeti, Pardis C.; Sealfon, Rachel Sima (BioMed Central Ltd, 2012-09)
    AbstractBackgroundWhole-genome sequencing is an important tool for understanding microbial evolution and identifying the emergence of functionally important variants over the course of epidemics. In October 2010, a severe ...
  • Willsky, Alan S.; Tan, Vincent Yan Fu; Anandkumar, Animashree (Association for Computing Machinery (ACM), 2012-01)
    We consider the problem of high-dimensional Gaussian graphical model selection. We identify a set of graphs for which an efficient estimation algorithm exists, and this algorithm is based on thresholding of empirical ...
  • Anandkumar, Animashree; Tan, Vincent Y. F.; Willsky, Alan S. (Neural Information Processing Systems Foundation, 2011-12)
    We consider the problem of Ising and Gaussian graphical model selection given n i.i.d. samples from the model. We propose an efficient threshold-based algorithm for structure estimation based known as conditional mutual ...
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