Browsing Faculty of Arts and Sciences by Keyword "inflation"

Now showing items 1-12 of 12

    • BICEP2 / Keck Array V: Measurements of B-mode Polarization at Degree Angular Scales and 150 GHz by the Keck Array 

      Ade, P. A. R.; Ahmed, Z.; Aikin, R. W.; Alexander, Kate Denham; Barkats, D.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Brevik, J. A.; Buder, I; Bullock, E.; Buza, Victor; Connors, Jake Anthony; Crill, B. P.; Dowell, C. D.; Dvorkin, Cora; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Halpern, M.; Harrison, S.; Hasselfield, M.; Hildebrandt, S. R.; Hilton, G. C.; Hristov, V. V.; Hui, H.; Irwin, K. D.; Karkare, Kirit Sukrit; Kaufman, J. P.; Keating, B. G.; Kefeli, S.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Lueker, M.; Mason, P.; Megerian, K. G.; Netterfield, C. B.; Nguyen, H. T.; O’Brient, R.; Ogburn IV, R. W.; Orlando, A.; Pryke, C.; Reintsema, C. D.; Richter, Sonja Valeska; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Sudiwala, R. V.; Teply, G. P.; Thompson, K. L.; Tolan, J. E.; Turner, A. D.; Vieregg, A. G.; Weber, A. C.; Willmert, J.; Wong, C. L.; Yoon, K. W. (IOP Publishing, 2015)
      The Keck Array is a system of cosmic microwave background polarimeters, each similar to the Bicep2 experiment. In this paper we report results from the 2012 to 2013 observing seasons, during which the Keck Array consisted ...

    • BICEP2 and Keck array operational overview and status of observations 

      Ogburn, R. W.; Ade, P. A. R.; Aikin, R. W.; Amiri, M.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Bonetti, J. A.; Brevik, J. A.; Bullock, E.; Burger, B.; Davis, G.; Dowell, C. D.; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Gordon, M.; Halpern, M.; Hasselfield, M.; Hilton, G.; Hristov, V. V.; Hui, H.; Irwin, K.; Kaufman, J. P.; Keating, B. G.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Lueker, M.; Montroy, T.; Netterfield, C. B.; Nguyen, H. T.; O, R.; Orlando, Abigail Claire; Pryke, C; Reintsema, C.; Richter, Sonja Valeska; Ruhl, J. E.; Runyan, M. C.; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Sudiwala, R. V.; Teply, G. P.; Thompson, K.; Tolan, J. E.; Turner, A. D.; Vieregg, A. G.; Wiebe, D. V.; Wilson, P.; Wong, C. L. (SPIE, 2012)
      The Bicep2 and Keck Array experiments are designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 2-4 degrees (ℓ = 50–100). This is the region in which the B-mode signal, a signature ...

    • BICEP2 III: Instrumental Systematics 

      Ade, P. A. R.; Aikin, R. W.; Barkats, Denis A.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Brevik, J. A.; Buder, I; Bullock, E.; Dowell, C. D.; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Halpern, M.; Hasselfield, M.; Hildebrandt, S. R.; Hilton, G. C.; Irwin, K. D.; Karkare, Kirit Sukrit; Kaufman, J. P.; Keating, B. G.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Lueker, M.; Netterfield, C. B.; Nguyen, H. T.; O’Brient, R.; IV, R. W. Ogburn; Orlando, Abigail Claire; Pryke, C; Richter, Sonja Valeska; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Sudiwala, R. V.; Teply, G. P.; Tolan, J. E.; Turner, A. D.; Vieregg, A. G.; Wong, C; Yoon, K. W. (IOP Publishing, 2015)
      In a companion paper, we have reported a >5σ detection of degree scale B-mode polarization at 150 GHz by the Bicep2 experiment. Here we provide a detailed study of potential instrumental systematic contamination to that ...

    • BICEP2. II. Experiment and three-year data set 

      Ade, P. A. R.; Aikin, R. W.; Amiri, M.; Barkats, Denis A.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Brevik, J. A.; Buder, I.; Bullock, E.; Davis, G.; Day, P. K.; Dowell, C. D.; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Halpern, M.; Hasselfield, M.; Hildebrandt, S. R.; Hilton, G. C.; Irwin, K. D.; Karkare, Kirit Sukrit; Kaufman, J. P.; Keating, B. G.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Llombart, N.; Lueker, M.; Netterfield, C. B.; Nguyen, H. T.; O, R.; Ogburn, R. W.; Orlando, Abigail Claire; Pryke, C; Reintsema, C. D.; Richter, S.; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Story, K. T.; Sudiwala, R. V.; Teply, G. P.; Tolan, J. E.; Turner, A. D.; Vieregg, A. G.; Wilson, P.; Wong, C; Yoon, K. W. (IOP Publishing, 2014)
      We report on the design and performance of the BICEP2 instrument and on its three-year data set. BICEP2 was designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 1°-5°(l = ...

    • bicep2/Keck Array. IV. Optical Characterization and Performance of the Bicep2 and Keck Array Experiments 

      Ade, P. A. R.; Aikin, R. W.; Barkats, Denis A.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Bradford, K. J.; Brevik, J. A.; Buder, I; Bullock, E.; Dowell, C. D.; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Halpern, M.; Hasselfield, M.; Hildebrandt, S. R.; Hilton, G. C.; Hui, H.; Irwin, K. D.; Kang, J. H.; Karkare, Kirit Sukrit; Kaufman, J. P.; Keating, B. G.; Kefeli, S.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Lueker, M.; Megerian, K. G.; Netterfield, C. B.; Nguyen, H. T.; O’Brient, R.; IV, R. W. Ogburn; Orlando, A.; Pryke, C; Richter, Sonja Valeska; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Sudiwala, R. V.; Teply, G. P.; Thompson, K.; Tolan, J. E.; Turner, A. D.; Vieregg, A. G.; Weber, A. C.; Wong, C; Yoon, K. W. (IOP Publishing, 2015)
      bicep2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search of a signature of inflation imprinted as ...

    • Bicep2/keck Array. Vii. Matrix Basede/bseparation Applied to Bicep2 and the Keck Array 

      Ade, P. A. R.; Ahmed, Z.; Aikin, R. W.; Alexander, Kate Denham; Barkats, Denis A.; Benton, S. J.; Bischoff, Colin A.; Bock, J. J.; Bowens-Rubin, Rachel; Brevik, J. A.; Buder, I; Bullock, E.; Buza, Victor; Connors, Jake Anthony; Crill, B. P.; Duband, L.; Dvorkin, Cora; Filippini, J. P.; Fliescher, S.; Grayson, J.; Halpern, M.; Harrison, Sarah; Hildebrandt, S. R.; Hilton, G. C.; Hui, H.; Irwin, K. D.; Kang, J.; Karkare, Kirit Sukrit; Karpel, E.; Kaufman, J. P.; Keating, B. G.; Kefeli, S.; Kernasovskiy, S. A.; Kovac, John M; Kuo, C. L.; Leitch, E. M.; Lueker, M.; Megerian, K. G.; Namikawa, T.; Netterfield, C. B.; Nguyen, H. T.; O’Brient, R.; IV, R. W. Ogburn; Orlando, A.; Pryke, C.; Richter, S.; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z. K.; Steinbach, B.; Sudiwala, R. V.; Teply, G. P.; Thompson, K. L.; Tolan, J. E.; Tucker, C.; Turner, A. D.; Vieregg, A. G.; Weber, A. C.; Wiebe, D. V.; Willmert, J.; Wong, C; Wu, W. L. K.; Yoon, K. W. (American Astronomical Society, 2016)
      A linear polarization field on the sphere can be uniquely decomposed into an E-mode and a B-mode component. These two components are analytically defined in terms of spin-2 spherical harmonics. Maps that contain filtered ...

    • Characterization of the BICEP Telescope for High-precision Cosmic Microwave Background Polarimetry 

      Takahashi, Yuki D.; Ade, Peter; Barkats, Denis; Battle, John O.; Bierman, Evan M.; Bock, James; Chiang, H. Cynthia; Dowell, C. Darren; Duband, Lionel; Hivon, Eric F.; Holzapfel, William L.; Hristov, Victor V.; Jones, William C.; Keating, Brian G.; Kovac, John M; Kuo, Chao-Lin; Lange, Andrew E.; Leitch, Erik M.; Mason, Peter V.; Matsumura, Tomotake; Nguyen, Hien T.; Ponthieu, N.; Pryke, Clement; Richter, Steffen; Rocha, Graca M.; Yoon, Ki Won (IOP Publishing, 2010)
      The Background Imaging of Cosmic Extragalactic Polarization (BICEP) experiment was designed specifically to search for the signature of inflationary gravitational waves in the polarization of the cosmic microwave background ...

    • Degree-Scale Cosmic Microwave Background Polarization Measurements From Three Years of BICEP1 Data 

      Barkats, D.; Aikin, R.; Bischoff, Colin A.; Buder, Immanuel D.; Kaufman, J. P.; Keating, B. G.; Kovac, John M; Su, Meng; Ade, P. A. R.; Battle, J. O.; Bierman, E. M.; Bock, J. J.; Chiang, H. C.; Dowell, C. D.; Duband, L.; Filippini, J.; Hivon, E. F.; Holzapfel, W. L.; Hristov, V. V.; Jones, W. C.; Kuo, C. L.; Leitch, E. M.; Mason, P. V.; Matsumura, T.; Nguyen, H. T.; Ponthieu, N.; Pryke, C.; Richter, S.; Rocha, G.; Sheehy, C.; Kernasovskiy, S. S.; Takahashi, Y. D.; Tolan, J. E.; Yoon, K. W. (American Astronomical Society, 2014)
      BICEP1 is a millimeter-wavelength telescope designed specifically to measure the inflationary B-mode polarization of the cosmic microwave background at degree angular scales. We present results from an analysis of the ...

    • Measurement of Cosmic Microwave Background Polarization Power Spectra from Two Years of BICEP Data 

      Chiang, H. Cynthia; Ade, Peter A. R.; Barkats, Denis; Battle, John O.; Bierman, Evan M.; Bock, James; Dowell, C. Darren; Duband, Lionel; Hivon, Eric F.; Holzapfel, William L.; Hristov, Victor V.; Jones, William C.; 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; Pryke, Clement; Richter, Steffen; Rocha, Graca; Sheehy, Christopher; Takahashi, Yuki D.; Tolan, Jamie E.; Yoon, Ki Won (IOP Publishing, 2010)
      Background Imaging of Cosmic Extragalactic Polarization (BICEP) is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the cosmic microwave background (CMB) at degree angular scales. During ...

    • Optimization and sensitivity of the Keck array 

      Kernasovskiy, S.; Ade, P. A. R.; Aikin, R. W.; Amiri, M.; Benton, S.; Bischoff, Colin A.; Bock, J. J.; Bonetti, J. A.; Brevik, J. A.; Burger, B.; Davis, G.; Dowell, C. D.; Duband, L.; Filippini, J. P.; Fliescher, S.; Golwala, S. R.; Halpern, M.; Hasselfield, M.; Hilton, G.; Hristov, V. V.; Irwin, K.; Kovac, John M; Kuo, C. L.; Leitch, E.; Lueker, M.; Netterfield, C. B.; Nguyen, H. T.; O, R.; Ogburn, R. W.; Pryke, C; Reintsema, C.; Ruhl, J. E.; Runyan, M. C.; Schwarz, R.; Sheehy, C. D.; Staniszewski, Z.; Sudiwala, R.; Teply, G.; Tolan, J. E.; Turner, A. D.; Vieregg, A.; Wiebe, D. V.; Wilson, P.; Wong, C. L. (International Society for Optics and Photonics, 2012)
      The Keck Array (SPUD) began observing the cosmic microwave background’s polarization in the winter of 2011 at the South Pole. The Keck Array follows the success of the predecessor experiments Bicep and Bicep2,1 using five ...

    • Polarization Predictions for Inflationary CMB Power Spectrum Features 

      Hu, Wayne; Dvorkin, Cora; Miranda, Vinícius (American Physical Society (APS), 2015)
      We conduct a model-independent analysis of temporal features during inflation in the large-scale CMB temperature power spectrum allowing for the possibility of non-negligible tensor contributions. Of 20 principal components ...

    • The Robinson Gravitational Wave Background Telescope (BICEP): a bolometric large angular scale CMB polarimeter 

      Yoon, K. W.; Ade, P. A. R.; Barkats, D.; Battle, J. O.; Bierman, E. M.; Bock, J. J.; Brevik, J. A.; Chiang, H. C.; Crites, A.; Dowell, C. D.; Duband, L.; Griffin, G. S.; Hivon, E. F.; Holzapfel, W. L.; Hristov, V. V.; Keating, B. G.; Kovac, John; Kuo, C. L.; Lange, A. E.; Leitch, E. M.; Mason, P. V.; Nguyen, H. T.; Ponthieu, N.; Takahashi, Y. D.; Renbarger, T.; Weintraub, L. C.; Woolsey, D. (2006)
      The Robinson Telescope (BICEP) is a ground-based millimeter-wave bolometric array designed to study the polarization of the cosmic microwave background radiation (CMB) and galactic foreground emission. Such measurements ...