Now showing items 2240-2259 of 18256

    • Clumped Isotope Measurements of Small Carbonate Samples Using a High-Efficiency Dual-Reservoir Technique 

      Petersen, Sierra Victoria; Schrag, Daniel P. (Wiley-Blackwell, 2014)
      Rationale: The measurement of multiply substituted isotopologues of CO2 derived from carbonate has allowed the reconstruction of paleotemperatures from a single phase (CaCO3), circumventing uncertainty inherent in other ...
    • Clustered Wigner-crystal phases of cold polar molecules in arrays of one-dimensional tubes 

      Knap, Michael; Berg, Erez; Ganahl, Martin; Demler, Eugene (American Physical Society, 2012)
      We analyze theoretically polar molecules confined in planar arrays of one-dimensional tubes. In the classical limit, if the number of tubes is finite, new types of "clustered Wigner crystals" with increasingly many molecules ...
    • Clustering Analysis of SAGE Data using a Poisson Approach 

      Cai, Li; Huang, Haiyan; Blackshaw, Seth; Liu, Jun; Cepko, Connie; Wong, Wing H. (BioMed Central, 2004)
      Serial analysis of gene expression (SAGE) data have been poorly exploited by clustering analysis owing to the lack of appropriate statistical methods that consider their specific properties. We modeled SAGE data by Poisson ...
    • The clustering of luminous red galaxies in the Sloan Digital Sky Survey imaging data 

      Padmanabhan, N.; Schlegel, D. J.; Seljak, U.; Makarov, A.; Bahcall, N. A.; Blanton, M. R.; Brinkmann, J.; Eisenstein, D. J.; Finkbeiner, Douglas; Gunn, J. E.; Hogg, D. W.; Ivezic, Z.; Knapp, G. R.; Loveday, J.; Lupton, R. H.; Nichol, R. C.; Schneider, D. P.; Strauss, M. A.; Tegmark, M.; York, D. G. (Oxford University Press (OUP), 2007)
      We present the 3D real-space clustering power spectrum of a sample of ∼600 000 luminous red galaxies measured by the Sloan Digital Sky Survey, using photometric redshifts. These galaxies are old, elliptical systems with ...
    • Clustering of Red Galaxies around the Z = 1.53 Quasar 3C 270.1 

      Haas, Martin; Willner, Steven P.; Heymann, Frank; Ashby, Matthew L N; Fazio, Giovanni Gene; Wilkes, Belinda Jane; Chini, Rolf; Siebenmorgen, Ralf; Stern, Daniel (IOP Publishing, 2009)
      In the paradigm of hierarchical galaxy formation, luminous radio galaxies mark mass assembly peaks that should contain clusters of galaxies. Observations of the z = 1.53 quasar 3C 270.1 with the Spitzer Space Telescope at ...
    • CMB and 21-cm signals for dark matter with a long-lived excited state 

      Finkbeiner, Douglas; Padmanabhan, Nikhil; Weiner, Neal (American Physical Society (APS), 2008)
      Motivated by the eXciting Dark Matter (XDM) model of Finkbeiner & Weiner, hypothesized to explain the 511 keV signal in the center of the Milky Way, we consider the CMB and 21-cm signatures of models of dark matter with ...
    • CMB B -mode polarization from Thomson scattering in the local universe 

      Hirata, Christopher M.; Loeb, Abraham; Afshordi, Niayesh (American Physical Society, 2005)
      The polarization of the cosmic microwave background (CMB) is widely recognized as a potential source of information about primordial gravitational waves. The gravitational wave contribution can be separated from the dominant ...
    • CMB constraints on WIMP annihilation: Energy absorption during the recombination epoch 

      Slatyer, Tracy R.; Padmanabhan, Nikhil; Finkbeiner, Douglas (American Physical Society (APS), 2009)
      We compute in detail the rate at which energy injected by dark matter annihilation heats and ionizes the photon-baryon plasma at z ~ 1000, and provide accurate fitting functions over the relevant redshift range for a broad ...
    • CMB polarimetry with BICEP: instrument characterization, calibration, and performance 

      Takahashi, Yuki D.; Barkats, Denis; Battle, John O.; Bierman, Evan M.; Bock, James J.; Chiang, H. Cynthia; Dowell, C. Darren; Hivon, Eric F.; Holzapfel, William L.; Hristov, Viktor V.; Jones, William C.; Kaufman, J. P.; Keating, Brian G.; Kovac, John M; Kuo, Chao-Lin; Lange, Andrew E.; Leitch, Erik M.; Mason, Peter V.; Matsumura, Tomotake; Nguyen, Hien T.; Ponthieu, Nicolas; Rocha, Graca M.; Yoon, Ki Won; Ade, P.; Duband, L. (2016-04-12)
      Bicep is a ground-based millimeter-wave bolometric array designed to target the primordial gravity wave signature on the B-mode polarization of the cosmic microwave background (CMB) at degree angular scales. Currently in ...
    • CMBPol Mission Concept Study: Probing Inflation with CMB Polarization 

      Baumann, Daniel; Jackson, Mark; Adshead, Peter; Amblard, Alexandre; Ashoorioon, Amjad; Bartolo, Nicola; Bean, Rachel; Beltran, Maria; de Bernardis, Francesco; Bird, Simeon; Chen, Xingang; Chung, Daniel; Colombo, Loris; Cooray, Asantha; Creminelli, Paolo; Dodelson, Scott; Dunkley, Joanna; Dvorkin, Cora; Easther, Richard; Finelli, Fabio; Flauger, Raphael; Hertzberg, Mark; Jones-Smith, Katherine; Kachru, Shamit; Kadota, Kenji; Khoury, Justin; Kinney, William; Komatsu, Eiichiro; Krauss, Lawrence; Lesgourgues, Julien; Liddle, Andrew; Liguori, Michele; Lim, Eugene; Linde, Andrei; Matarrese, Sabino; Mathur, Harsh; McAllister, Liam; Melchiorri, Alessandro; Nicolis, Alberto; Pagano, Luca; Peiris, Hiranya; Peloso, Marco; Pogosian, Levon; Pierpaoli, Elena; Riotto, Antonio; Seljak, Uros; Senatore, Leonardo; Shandera, Sarah; Silverstein, Eva (2009)
      We summarize the utility of precise cosmic microwave background (CMB) polarization measurements as probes of the physics of inflation. We focus on the prospects for using CMB measurements to differentiate various inflationary ...
    • CNTRICS Final Task Selection: Long-term Memory 

      Ragland, John D.; Cools, Roshan; Frank, Michael; Pizzagalli, Diego A; Preston, Alison; Ranganath, Charan; Wagner, Anthony D. (Oxford University Press, 2009)
      Long-term memory (LTM) is a multifactorial construct, composed of different stages of information processing and different cognitive operations that are mediated by distinct neural systems, some of which may be more ...
    • CO diffusion into amorphous H2O ices 

      Lauck, Trish; Karssemeijer, Leendertjan; Shulenberger, Katherine; Rajappan, Mahesh; Oberg, Karin; Cuppen, Herma M. (IOP Publishing, 2015)
      The mobility of atoms, molecules, and radicals in icy grain mantles regulates ice restructuring, desorption, and chemistry in astrophysical environments. Interstellar ices are dominated by H2O, and diffusion on external ...
    • CO Isotopologues in the Perseus Molecular Cloud Complex: theX‐factor and Regional Variations 

      Pineda, Jaime E.; Caselli, Paola; Goodman, Alyssa A. (American Astronomical Society, 2008-05-20)
    • Co-evolution of strategy and structure in complex networks with dynamical linking 

      Pacheco, Jorge M.; Traulsen, Arne; Nowak, Martin A. (American Physical Society, 2006)
    • Co-evolution-based prediction of metal-binding sites in proteomes by machine learning 

      Cheng, Yao; Wang, Haobo; Xu, Hua; Liu, Yuan; Ma, Bin; Chen, Xuemin; Zeng, Xin; Wang, Xianghe; Wang, Bo; Shiau, Carina; Ovchinnikov, Sergey; Su, Xiao-Dong; Wang, Chu (Springer Science and Business Media LLC, 2023-01-02)
      Metal ions play various important biological role in proteins including structural maintenance, molecular recognition and catalysis. Previous methods of predicting metal-binding sites in proteomes were based on either ...
    • Co-Inflow: Coarse-grained Information Flow Control for Java-like Languages 

      Xiang, Jian; Chong, Stephen (IEEE, 2021-05)
      Coarse-grained dynamic information-flow control (IFC) is a good match for imperative object-oriented programming languages such as Java. Java language abstractions align well with coarse-grained IFC concepts, and so Java ...
    • Co-optimization of SnS absorber and Zn(O,S) buffer materials for improved solar cells 

      Park, Helen Hejin; Heasley, Rachel Lenox; Sun, Leizhi; Steinmann, Vera; Hartman, Katy; Chakraborty, Rupak; Sinsermsuksakul, Prasert; Chua, Danny Ming Wei; Buonassisi, Tonio; Gordon, Roy Gerald (Wiley-Blackwell, 2014)
      Thin-film solar cells consisting of earth-abundant and non-toxic materials were made from pulsed chemical vapor deposition (pulsed-CVD) of SnS as the p-type absorber layer and atomic layer deposition (ALD) of Zn(O,S) as ...
    • Co-registered Geochemistry and Metatranscriptomics Reveal Unexpected Distributions of Microbial Activity within a Hydrothermal Vent Field 

      Olins, Heather; Rogers, Daniel R.; Preston, Christina; Ussler, William; Pargett, Douglas; Jensen, Scott; Roman, Brent; Birch, James M.; Scholin, Christopher A.; Haroon, Mohamed Fauzi; Girguis, Peter R. (Frontiers Media SA, 2017)
      Despite years of research into microbial activity at diffuse flow hydrothermal vents, the extent of microbial niche diversity in these settings is not known. To better understand the relationship between microbial activity ...
    • CO2 Uptake and Fixation by Endosymbiotic Chemoautotrophs from the Bivalve Solemya velum 

      Scott, K. M.; Cavanaugh, Colleen Marie (American Society for Microbiology, 2006)
      Chemoautotrophic symbioses, in which endosymbiotic bacteria are the major source of organic carbon for the host, are found in marine habitats where sulfide and oxygen coexist. The purpose of this study was to determine the ...
    • Coadaptation and conflict, misconception and muddle, in the evolution of genomic imprinting 

      Haig, David Addison (Nature Publishing Group, 2013)
      Common misconceptions of the ‘parental conflict’ theory of genomic imprinting are addressed. Contrary to widespread belief, the theory defines conditions for cooperation as well as conflict in mother–offspring relations. ...