New Particles from 21cm Absorption Josh Ruderman (NYU) @Moriond EW, - PowerPoint PPT Presentation

Center for Cosmology and Particle Physics New Particles from 21cm Absorption Josh Ruderman (NYU) @Moriond EW, 3/20/2019 Maxim Pospelov, Josef Pradler, JTR, Alfredo Urbano, 1803.07048 (PRL) & w/ Siddharth Mishra-Sharma ( to appear )

<latexit sha1_base64="bB3+xzEJz2fWzUeihOgJAJcOpTg=">A CPnicbVDLSsNAFJ34rPV delmsAiKEhIV6kYo7UYQ aGtQhPCZDp h85MwsykWEM/wq9xq5/hD7gTty5cOG2z8HXhwuGce7n jBhVGnHebFmZufmFxYLS8Xl dW19dLGZkvFqcSkiWMWy9sQKcKoIE1N SO3iS Ih4zchP36WL8ZEKloLBp6mBCfo6 gEcVIGyo HTSCzJMc1i9rI3gGj+zKsXfocaR7kmcXI+hpyomCe+7B/X5QKju2Myn4F7g5KIO8roLSp9eJc qJ0Jghpdquk2g/Q1JTzMio6KWKJAj3UZe0DRTInPKzyVMjuGuYDoxiaVpoOG /b2SIKzXkoZkc21W/tTH5n9ZOdXTqZ1QkqSYCTw9FKYM6huOEYIdKgjUbGoCwpMYrxD0kEdYmx+Luf6YPOwOaqNz/3fSBo nL/R3OX9A6st1j27k+KVdreXAFsA12wB5wQ VUwTm4Ak2AwQN4BE/g2XqyXq036306OmPlO1vgR1kfXyw3rb0=</latexit> 2 Cosmic Microwave Background Spectrum low energy frontier 10 3 of the CMB unmeasured 10 2 Ê ÊÊÊÊ Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê dn ê dx @ cm - 3 D Ê 10 1 Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê Ê 1 Ê Ê Ê Ê Ê Ê Ê Ê Rayleigh-Jeans Tail Ê Ê 10 - 1 ARCADE2 10 - 2 FIRAS 10 - 3 10 - 4 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 1 10 1 10 2 T CMB = 2 . 73 K × (1 + z ) x = w ê T CMB •FIRAS, astro-ph/9605054 •ARCADE2, 0901.0555

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Plan I. 21cm Primer II. 21cm Photons from Dark Photons

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