arXiv 2203.025942022-03hep-exhep-ph

利用韧致辐射和SuperCDMS中的迁移效应寻找低质量暗物质

A Search for Low-mass Dark Matter via Bremsstrahlung Radiation and the Migdal Effect in SuperCDMS

SuperCDMS Collaboration, Musaab Al-Bakry, Imran Alkhatib, Dorian Praia do Amaral, Taylor Aralis, Tsuguo Aramaki, Isaac Arnquist, Iman Ataee Langroudy, Elham Aza… 展开作者

SuperCDMS Collaboration, Musaab Al-Bakry, Imran Alkhatib, Dorian Praia do Amaral, Taylor Aralis, Tsuguo Aramaki, Isaac Arnquist, Iman Ataee Langroudy, Elham Azadbakht, Samir Banik, Corey Bathurst, Dan Bauer, Lucas Bezerra, Rik Bhattacharyya, Paul Brink, Ray Bunker, Blas Cabrera, Robert Calkins, Robert Cameron, Concetta Cartaro, David Cerdeno, Yen-Yung Chang, Mouli Chaudhuri, Ran Chen, Nicholas Chott, Jodi Cooley, Harrison Coombes, Jonathan Corbett, Priscilla Cushman, François De Brienne, Sukeerthi Dharani, Maria Laura di Vacri, Miriam Diamond, Eleanor Fascione, Enectali Figueroa, Caleb Fink, Ken Fouts, Matt Fritts, Gilles Gerbier, Richard Germond, Muad Ghaith, Sunil Golwala, Jeter Hall, Noah Hassan, Bruce Hines, Matt Hollister, Ziqing Hong, Eric Hoppe, Lauren Hsu, Martin Huber, Vijay Iyer, Daniel Jardin, Andrew Jastram, Varchaswi Kashyap, Michael Kelsey, Andrew Kubik, Noah Kurinsky, Richard Lawrence, Matthew Lee, Ashley Li, Jasmine Liu, Yan Liu, Ben Loer, Pat Lukens, David MacFarlane, Rupak Mahapatra, Vuk Mandic, Nicholas Mast, Adam Mayer, Hanno Meyer zu Theenhausen, Émile Michaud, Emanuele Michielin, Nader Mirabolfathi, Bedangadas Mohanty, Serge Nagorny, Jack Nelson, Himangshu Neog, Valentina Novati, John Orrell, McKay Osborne, Scott Oser, William Page, Richard Partridge, David S. Pedreros, Ruslan Podviianiuk, Francisco Ponce, Sudip Poudel, Aditi Pradeep, Matt Pyle, Wolfgang Rau, Elliott Reid, Tom Ren, Tyler Reynolds, Amy Roberts, Alan Robinson, Tarek Saab, Bernard Sadoulet, Ishwita Saikia, Joel Sander, Ata Sattari, Benjamin Schmidt, Richard Schnee, Silvia Scorza, Bruno Serfass, Sagar Sharma Poudel, Derek Sincavage, Chris Stanford, Joseph Street, Huanbo Sun, Fatema Thasrawala, David Toback, Ryan Underwood, Shubham Verma, Anthony Villano, Belina von Krosigk, Samuel Watkins, Osmond Wen, Zachary Williams, Matthew Wilson, Joshua Winchell, Chih-pan Wu, Kevin Wykoff, Steve Yellin, Betty Young, To Chin Yu, Birgit Zatschler, Stefan Zatschler, Alexander Zaytsev, Enze Zhang, Lei Zheng, Summer Zuber

备注：: This paper is being withdrawn due to an error in data selection during the analysis. Although incorrect, the limits are roughly representative of the sensitivity. The new corrected version of the result will be uploaded once ready

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摘要：

在本文中，我们提出了一个重新分析的SuperCDMS数据使用的配置文件似然方法，通过两个非弹性散射通道：韧致辐射和Migdal效应搜索亚GeV的暗物质粒子（DM）。通过考虑可能的非弹性散射通道，实验灵敏度可以扩展到DM质量，否则将无法通过DM-核子弹性散射通道检测，给定当前实验的能量阈值。我们通过韧致辐射通道在$2.7 \times 10^{-30}~\textrm{cm}^2$排除了低至$220~\textrm{MeV}/c^2$的DM肿块。Migdal通道搜索排除DM质量，直至$5.0 \times 10^{-30}~\textrm{cm}^2$处的$30~\textrm{MeV}/c^2$。

英文摘要：

In this paper, we present a re-analysis of SuperCDMS data using a profile likelihood approach to search for sub-GeV dark matter particles (DM) through two inelastic scattering channels: bremsstrahlung radiation and the Migdal effect. By considering possible inelastic scattering channels, experimental sensitivity can be extended to DM masses that would otherwise be undetectable through the DM-nucleon elastic scattering channel, given the energy threshold of current experiments. We exclude DM masses down to $220~\textrm{MeV}/c^2$ at $2.7 \times 10^{-30}~\textrm{cm}^2$ via the bremsstrahlung channel. The Migdal channel search excludes DM masses down to $30~\textrm{MeV}/c^2$ at $5.0 \times 10^{-30}~\textrm{cm}^2$.

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