The NANOGrav 15-year Data Set: Search for Signals from New Physics

The 15-year pulsar timing data set collected by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low-frequency gravitational-wave (GW) background. In this paper, we investigate potential cosmological interpretations of this sig...

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Veröffentlicht in:arXiv.org 2023-06
Hauptverfasser: Afzal, Adeela, Anumarlapudi, Akash, Archibald, Anne M, Arzoumanian, Zaven, Baker, Paul T, Jose Juan Blanco-Pillado, Blecha, Laura, Brazier, Adam, Burke-Spolaor, Sarah, Burnette, Rand, Charisi, Maria, Chatterjee, Shami, Chatziioannou, Katerina, Chen, Siyuan, Cohen, Tyler, Cordes, James M, Cornish, Neil J, Crawford, Fronefield, Cromartie, H Thankful, Crowter, Kathryn, Cutler, Curt J, DeCesar, Megan E, DeGan, Dallas, Demorest, Paul B, Deng, Heling, Dolch, Timothy, Drachler, Brendan, Richard von Eckardstein, Ferrara, Elizabeth C, Fiore, William, Fonseca, Emmanuel, Freedman, Gabriel E, Garver-Daniels, Nate, Gentile, Peter A, Gersbach, Kyle A, Glaser, Joseph, Guertin, Lydia, Hourihane, Sophie, Jennings, Ross J, Johnson, Aaron D, Jones, Megan L, Kaiser, Andrew R, Kaplan, David L, Kelley, Luke Zoltan, Kerr, Matthew, Key, Joey S, Lam, Michael T, Lee, Vincent S H, Lewandowska, Natalia, Rafael R Lino dos Santos, Littenberg, Tyson B, Liu, Tingting, Lorimer, Duncan R, Luo, Jing, Lynch, Ryan S, Chung-Pei, Ma, Madison, Dustin R, McKee, James W, McLaughlin, Maura A, McMann, Natasha, Meyers, Bradley W, Mingarelli, Chiara M F, Nay, Jonathan, Natarajan, Priyamvada, Ng, Cherry, Nice, David J, Stella Koch Ocker, Olum, Ken D, Pennucci, Timothy T, Perera, Benetge B P, Petrov, Polina, Radovan, Henri A, Ransom, Scott M, Ray, Paul S, Romano, Joseph D, Sardesai, Shashwat C, Schmiedekamp, Ann, Schmiedekamp, Carl, Schmitz, Kai, Schult, Levi, Siemens, Xavier, Siwek, Magdalena S, Stairs, Ingrid H, Stovall, Kevin, Stratmann, Peter, Sun, Jerry P, Swiggum, Joseph K, Taylor, Jacob, Taylor, Stephen R, Tanner Trickle, Turner, Jacob E, Unal, Caner, Verma, Sonali, Vigeland, Sarah J, Wahl, Haley M, Wang, Qiaohong, Wright, David, Young, Olivia, Zurek, Kathryn M, the NANOGrav Collaboration
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