W
W. L. Holzapfel
Researcher at University of California, Berkeley
Publications - 406
Citations - 31777
W. L. Holzapfel is an academic researcher from University of California, Berkeley. The author has contributed to research in topics: Cosmic microwave background & South Pole Telescope. The author has an hindex of 93, co-authored 388 publications receiving 29691 citations. Previous affiliations of W. L. Holzapfel include McGill University & California Institute of Technology.
Papers
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Journal ArticleDOI
Degree Angular Scale Interferometer First Results: A Measurement of the Cosmic Microwave Background Angular Power Spectrum
N. W. Halverson,E. M. Leitch,C. Pryke,John M Kovac,John E. Carlstrom,W. L. Holzapfel,M. Dragovan,J. K. Cartwright,Brian Mason,Stephen Padin,T. J. Pearson,A. C. S. Readhead,Martin C. Shepherd +12 more
TL;DR: The first season of observations with the Degree Angular Scale Interferometer (DASI) was conducted at the South Pole in the austral summer 1999-2000, and observations throughout the following austral winter.
Journal ArticleDOI
Detection of polarization in the cosmic microwave background using DASI
John M Kovac,Erik M. Leitch,C. Pryke,John E. Carlstrom,N. W. Halverson,N. W. Halverson,W. L. Holzapfel,W. L. Holzapfel +7 more
TL;DR: The detection of polarization of the CMB with the Degree Angular Scale Interferometer (DASI) is reported, and its level and spatial distribution are in excellent agreement with the predictions of the standard theory.
Journal ArticleDOI
DASI First Results: A Measurement of the Cosmic Microwave Background Angular Power Spectrum
N. W. Halverson,E. M. Leitch,C. Pryke,John M Kovac,John E. Carlstrom,W. L. Holzapfel,M. Dragovan,J. K. Cartwright,Brian Mason,Stephen Padin,T. J. Pearson,Martin C. Shepherd,A. C. S. Readhead +12 more
TL;DR: In this article, the authors present measurements of anisotropy in the Cosmic Microwave Background (CMB) from the first season of observations with the Degree Angular Scale Interferometer (DASI) and find no evidence of foregrounds other than point sources in the data.
Posted Content
CMB-S4 Science Book, First Edition
Kevork N. Abazajian,Peter Adshead,Zeeshan Ahmed,Steven W. Allen,David Alonso,Kam Arnold,Carlo Baccigalupi,James G. Bartlett,Nicholas Battaglia,Bradford Benson,Colin A. Bischoff,Julian Borrill,Victor Buza,Erminia Calabrese,Robert R. Caldwell,John E. Carlstrom,C. L. Chang,T. M. Crawford,Francis-Yan Cyr-Racine,Francesco De Bernardis,Tijmen de Haan,Sperello di Serego Alighieri,Joanna Dunkley,Cora Dvorkin,Josquin Errard,Giulio Fabbian,Stephen M. Feeney,Simone Ferraro,Jeffrey P. Filippini,Raphael Flauger,George M. Fuller,Vera Gluscevic,Daniel Green,Daniel Grin,Evan Grohs,Jason W. Henning,J. Colin Hill,Renée Hlozek,Gilbert Holder,W. L. Holzapfel,Wayne Hu,Kevin M. Huffenberger,Reijo Keskitalo,Lloyd Knox,Arthur Kosowsky,John M Kovac,Ely D. Kovetz,Chao-Lin Kuo,Akito Kusaka,Maude Le Jeune,Adrian T. Lee,M. Lilley,Marilena LoVerde,Mathew S. Madhavacheril,Adam Mantz,David J. E. Marsh,Jeff McMahon,P. D. Meerburg,Joel Meyers,Amber Miller,Julian B. Muñoz,Ho Nam Nguyen,Michael D. Niemack,Marco Peloso,J. Peloton,Levon Pogosian,C. Pryke,Marco Raveri,Christian L. Reichardt,Graca Rocha,Aditya Rotti,Emmanuel Schaan,Marcel Schmittfull,Douglas Scott,Neelima Sehgal,Sarah Shandera,Blake D. Sherwin,Tristan L. Smith,Lorenzo Sorbo,Glenn D. Starkman,K. T. Story,Alexander van Engelen,Joaquin Vieira,Scott Watson,Nathan Whitehorn,W. L. Kimmy Wu +85 more
TL;DR: The CMB-S4 project as mentioned in this paper is a ground-based cosmic microwave background (CMB) experiment with superconducting cameras, which will be used for the search for the B-mode polarization signature of primordial gravitational waves and the determination of the number and masses of neutrinos.
Journal ArticleDOI
The 10 Meter South Pole Telescope
John E. Carlstrom,Peter A. R. Ade,K. A. Aird,Bradford Benson,Lindsey Bleem,S. Busetti,C. L. Chang,E. Chauvin,Hsiao-Mei Cho,T. M. Crawford,A. T. Crites,Matt Dobbs,N. W. Halverson,S. Heimsath,W. L. Holzapfel,J. D. Hrubes,Marshall Joy,Ryan Keisler,Trevor Lanting,Adrian T. Lee,E. M. Leitch,J. Leong,W. Lu,M. Lueker,Daniel M. Luong-Van,Jeff McMahon,J. Mehl,S. S. Meyer,Joseph J. Mohr,T. E. Montroy,Stephen Padin,T. Plagge,C. Pryke,J. E. Ruhl,K. K. Schaffer,D. Schwan,Erik Shirokoff,Helmuth Spieler,Z. K. Staniszewski,Antony A. Stark,Carole Tucker,K. Vanderlinde,Joaquin Vieira,R. Williamson +43 more
TL;DR: The South Pole Telescope (SPT) as mentioned in this paper is a 10m diameter, wide-field, offset Gregorian telescope with a 966-pixel, multicolor, millimeter-wave, bolometer camera.