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Title: Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam

Abstract

In this work, we introduce the first measurement of cross-correlation between the lensing potential, reconstructed from cosmic microwave background (CMB) polarization data, and the cosmic shear field from galaxy shapes. This measurement is made using data from the POLARBEAR CMB experiment and the Subaru Hyper Suprime-Cam (HSC) survey. By analyzing an 11 deg2 overlapping region, we reject the null hypothesis at 3.5σ and constrain the amplitude of the cross-spectrum to $$\widehat{A}$$lens = 1.70 ± 0.48, where $$\widehat{A}$$lens is the amplitude normalized with respect to the Planck 2018 prediction, based on the flat Λ cold dark matter cosmology. The first measurement of this cross-spectrum without relying on CMB temperature measurements is possible owing to the deep POLARBEAR map with a noise level of ~6 μK arcmin, as well as the deep HSC data with a high galaxy number density of ng = 23 arcmin-2. We present a detailed study of the systematics budget to show that residual systematics in our findings are negligibly small, which demonstrates the future potential of this cross-correlation technique.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF)
Contributing Org.:
The Polarbear Collaboration and the Subaru HSC SSP Collaboration
OSTI Identifier:
1572047
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 882; Journal Issue: 1; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; cosmic background radiation; cosmology: observations; gravitational lensing: weak; polarization

Citation Formats

Namikawa, T., Chinone, Y., Miyatake, H., Oguri, M., Takahashi, R., Kusaka, A., Katayama, N., Adachi, S., Aguilar, M., Aihara, H., Ali, A., Armstrong, R., Arnold, K., Baccigalupi, C., Barron, D., Beck, D., Beckman, S., Bianchini, F., Boettger, D., Borrill, J., Cheung, K., Corbett, L., Crowley, K. T., Bouhargani, H. El, Elleflot, T., Errard, J., Fabbian, G., Feng, C., Galitzki, N., Goeckner-Wald, N., Groh, J., Hamada, T., Hasegawa, M., Hazumi, M., Hill, C. A., Howe, L., Jeong, O., Kaneko, D., Keating, B., Lee, A. T., Leon, D., Linder, E., Lowry, L. N., Mangu, A., Matsuda, F., Minami, Y., Miyazaki, S., Murayama, H., Navaroli, M., Nishino, H., Nishizawa, A. J., Pham, A. T. P., Poletti, D., Puglisi, G., Reichardt, C. L., Sherwin, B. D., Silva-Feaver, M., Siritanasak, P., Speagle, J. S., Stompor, R., Suzuki, A., Tait, P. J., Tajima, O., Takada, M., Takakura, S., Takatori, S., Tanabe, D., Tanaka, M., Teply, G. P., Tsai, C., Vergés, C., Westbrook, B., and Zhou, Y. Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam. United States: N. p., 2019. Web. doi:10.3847/1538-4357/ab3424.
Namikawa, T., Chinone, Y., Miyatake, H., Oguri, M., Takahashi, R., Kusaka, A., Katayama, N., Adachi, S., Aguilar, M., Aihara, H., Ali, A., Armstrong, R., Arnold, K., Baccigalupi, C., Barron, D., Beck, D., Beckman, S., Bianchini, F., Boettger, D., Borrill, J., Cheung, K., Corbett, L., Crowley, K. T., Bouhargani, H. El, Elleflot, T., Errard, J., Fabbian, G., Feng, C., Galitzki, N., Goeckner-Wald, N., Groh, J., Hamada, T., Hasegawa, M., Hazumi, M., Hill, C. A., Howe, L., Jeong, O., Kaneko, D., Keating, B., Lee, A. T., Leon, D., Linder, E., Lowry, L. N., Mangu, A., Matsuda, F., Minami, Y., Miyazaki, S., Murayama, H., Navaroli, M., Nishino, H., Nishizawa, A. J., Pham, A. T. P., Poletti, D., Puglisi, G., Reichardt, C. L., Sherwin, B. D., Silva-Feaver, M., Siritanasak, P., Speagle, J. S., Stompor, R., Suzuki, A., Tait, P. J., Tajima, O., Takada, M., Takakura, S., Takatori, S., Tanabe, D., Tanaka, M., Teply, G. P., Tsai, C., Vergés, C., Westbrook, B., & Zhou, Y. Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam. United States. doi:10.3847/1538-4357/ab3424.
Namikawa, T., Chinone, Y., Miyatake, H., Oguri, M., Takahashi, R., Kusaka, A., Katayama, N., Adachi, S., Aguilar, M., Aihara, H., Ali, A., Armstrong, R., Arnold, K., Baccigalupi, C., Barron, D., Beck, D., Beckman, S., Bianchini, F., Boettger, D., Borrill, J., Cheung, K., Corbett, L., Crowley, K. T., Bouhargani, H. El, Elleflot, T., Errard, J., Fabbian, G., Feng, C., Galitzki, N., Goeckner-Wald, N., Groh, J., Hamada, T., Hasegawa, M., Hazumi, M., Hill, C. A., Howe, L., Jeong, O., Kaneko, D., Keating, B., Lee, A. T., Leon, D., Linder, E., Lowry, L. N., Mangu, A., Matsuda, F., Minami, Y., Miyazaki, S., Murayama, H., Navaroli, M., Nishino, H., Nishizawa, A. J., Pham, A. T. P., Poletti, D., Puglisi, G., Reichardt, C. L., Sherwin, B. D., Silva-Feaver, M., Siritanasak, P., Speagle, J. S., Stompor, R., Suzuki, A., Tait, P. J., Tajima, O., Takada, M., Takakura, S., Takatori, S., Tanabe, D., Tanaka, M., Teply, G. P., Tsai, C., Vergés, C., Westbrook, B., and Zhou, Y. Wed . "Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam". United States. doi:10.3847/1538-4357/ab3424. https://www.osti.gov/servlets/purl/1572047.
@article{osti_1572047,
title = {Evidence for the Cross-correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam},
author = {Namikawa, T. and Chinone, Y. and Miyatake, H. and Oguri, M. and Takahashi, R. and Kusaka, A. and Katayama, N. and Adachi, S. and Aguilar, M. and Aihara, H. and Ali, A. and Armstrong, R. and Arnold, K. and Baccigalupi, C. and Barron, D. and Beck, D. and Beckman, S. and Bianchini, F. and Boettger, D. and Borrill, J. and Cheung, K. and Corbett, L. and Crowley, K. T. and Bouhargani, H. El and Elleflot, T. and Errard, J. and Fabbian, G. and Feng, C. and Galitzki, N. and Goeckner-Wald, N. and Groh, J. and Hamada, T. and Hasegawa, M. and Hazumi, M. and Hill, C. A. and Howe, L. and Jeong, O. and Kaneko, D. and Keating, B. and Lee, A. T. and Leon, D. and Linder, E. and Lowry, L. N. and Mangu, A. and Matsuda, F. and Minami, Y. and Miyazaki, S. and Murayama, H. and Navaroli, M. and Nishino, H. and Nishizawa, A. J. and Pham, A. T. P. and Poletti, D. and Puglisi, G. and Reichardt, C. L. and Sherwin, B. D. and Silva-Feaver, M. and Siritanasak, P. and Speagle, J. S. and Stompor, R. and Suzuki, A. and Tait, P. J. and Tajima, O. and Takada, M. and Takakura, S. and Takatori, S. and Tanabe, D. and Tanaka, M. and Teply, G. P. and Tsai, C. and Vergés, C. and Westbrook, B. and Zhou, Y.},
abstractNote = {In this work, we introduce the first measurement of cross-correlation between the lensing potential, reconstructed from cosmic microwave background (CMB) polarization data, and the cosmic shear field from galaxy shapes. This measurement is made using data from the POLARBEAR CMB experiment and the Subaru Hyper Suprime-Cam (HSC) survey. By analyzing an 11 deg2 overlapping region, we reject the null hypothesis at 3.5σ and constrain the amplitude of the cross-spectrum to $\widehat{A}$lens = 1.70 ± 0.48, where $\widehat{A}$lens is the amplitude normalized with respect to the Planck 2018 prediction, based on the flat Λ cold dark matter cosmology. The first measurement of this cross-spectrum without relying on CMB temperature measurements is possible owing to the deep POLARBEAR map with a noise level of ~6 μK arcmin, as well as the deep HSC data with a high galaxy number density of ng = 23 arcmin-2. We present a detailed study of the systematics budget to show that residual systematics in our findings are negligibly small, which demonstrates the future potential of this cross-correlation technique.},
doi = {10.3847/1538-4357/ab3424},
journal = {The Astrophysical Journal (Online)},
number = 1,
volume = 882,
place = {United States},
year = {2019},
month = {9}
}

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    Works referencing / citing this record:

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