Results 41 to 50 of about 685,566 (247)

Electroweak symmetric dark matter balls

Journal of High Energy Physics, 2019
In the simple Higgs-portal dark matter model with a conserved dark matter number, we show that there exists a non-topological soliton state of dark matter.
Eduardo Pontón, Yang Bai, Bithika Jain
doaj   +1 more source

Calibration Monitor for Dark Energy Experiments [PDF]

, 2009
The goal of this program was to design, build, test, and characterize a flight qualified calibration source and monitor for a Dark Energy related experiment: ACCESS - 'Absolute Color Calibration Experiment for Standard Stars'. This calibration source, the On-board Calibration Monitor (OCM), is a key component of our ACCESS spectrophotometric ...
openaire   +2 more sources

The Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections*

The Astrophysical Journal, 2021
Abstract We describe the survey design, calibration, commissioning, and emission-line detection algorithms for the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX). The goal of HETDEX is to measure the redshifts of over a million Lyα emitting galaxies between 1.88 < z < 3.52, in a 540 deg2 area encompassing a comoving volume ...
Gebhardt, Karl, Mentuch Cooper, Erin, Ciardullo, Robin, Acquaviva, Viviana, Bender, Ralf, Bowman, William P., Castanheira, Barbara G., Dalton, Gavin, Davis, Dustin, de Jong, Roelof S., Zhang, Yechi, Kollatschny, W., Gebhardt, Karl;, Mentuch Cooper, Erin;, Ciardullo, Robin;, Acquaviva, Viviana;, Bender, Ralf;, Bowman, William P.;, Castanheira, Barbara G.;, Dalton, Gavin;, Davis, Dustin;, de Jong, Roelof S.;, DePoy, D. L.;, Devarakonda, Yaswant;, Dongsheng, Sun;, Drory, Niv;, Fabricius, Maximilian;, Farrow, Daniel J.;, Feldmeier, John;, Finkelstein, Steven L.;, Froning, Cynthia S.;, Gawiser, Eric;, Gronwall, Caryl;, Herold, Laura;, Hill, Gary J.;, Hopp, Ulrich;, House, Lindsay R.;, Janowiecki, Steven;, Jarvis, Matthew;, Jeong, Donghui;, Jogee, Shardha;, Kakuma, Ryota;, Kelz, Andreas;, Kollatschny, W.;, Komatsu, Eiichiro;, Krumpe, Mirko;, Landriau, Martin;, Liu, Chenxu;, Niemeyer, Maja Lujan;, MacQueen, Phillip;, Marshall, Jennifer;, Mawatari, Ken;, McLinden, Emily M.;, Mukae, Shiro;, Nagaraj, Gautam;, Ono, Yoshiaki;, Ouchi, Masami;, Papovich, Casey;, Sakai, Nao;, Saito, Shun;, Schneider, Donald P.;, Schulze, Andreas;, Shanmugasundararaj, Khavvia;, Shetrone, Matthew;, Sneden, Chris;, Snigula, Jan;, Steinmetz, Matthias;, Thomas, Benjamin P.;, Thomas, Brianna;, Tuttle, Sarah;, Urrutia, Tanya;, Wisotzki, Lutz;, Wold, Isak;, Zeimann, Gregory;, Zhang, Yechi;   +74 more
openaire   +6 more sources

Relic abundance of dark photon dark matter

Physics Letters B, 2020
We present a new mechanism for producing the correct relic abundance of dark photon dark matter over a wide range of its mass, extending down to 10−20eV. The dark matter abundance is initially stored in an axion which is misaligned from its minimum. When
Prateek Agrawal, Naoya Kitajima, Matthew Reece, Toyokazu Sekiguchi, Fuminobu Takahashi   +4 more
doaj   +1 more source

Proposed Dark Energy Experiment using Fullerenes

Physics Procedia, 2012
AbstractA dark energy experiment is proposed, based on the dark energy research funded by the U.S. Department of Energy (DOE), Office of Science. The experiment would replicate the conditions of deep space; i.e., ultra-vacuum, isolation from the Earth's magnetic field, cryogenic temperatures, and an isotropic environment.
openaire   +1 more source

Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals [PDF]

, 2019
We investigate the implications of the dark axion portal interaction, the axion-photon-dark photon vertex, for the future experiments SHiP and FASER. We also study the phenomenology of the combined vector portal (kinetic mixing of the photon and dark ...
deNiverville, Patrick, Lee, Hye-Sung
core   +2 more sources

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

What laboratory experiments can teach us about cosmology: A chameleon example [PDF]

EPJ Web of Conferences, 2019
Laboratory experiments can shed light on theories of new physics introduced in order to explain cosmological mysteries, including the nature of dark energy and dark matter.
Burrage Clare
doaj   +1 more source

The GAPS experiment to search for dark matter using low-energy antimatter [PDF]

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017), 2017
The GAPS experiment is designed to carry out a sensitive dark matter search by measuring low-energy cosmic ray antideuterons and antiprotons. GAPS will provide a new avenue to access a wide range of dark matter models and masses that is complementary to direct detection techniques, collider experiments and other indirect detection techniques.
Ong, R. A., Aramaki, T., Bird, R., Boezio, M., Boggs, S. E., Carr, R., Craig, W. W., Von Doetinchem, P., Fabris, L., Gahbauer, F., Gerrity, C., Fuke, H., Hailey, C. J., Kato, C., Kawachi, A., Kozai, M., Mognet, S. I., Munakata, K., Okazaki, S., Osteria, G., Perez, K., Re, Valerio, Rogers, F., Saffold, N., Shimizu, Y., Yoshida, A., Yoshida, T., Zampa, G., Zweerink, J.   +28 more
openaire   +4 more sources

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

FEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source