Absorption of Fermionic Dark Matter in the PICO-60 C 3 F 8 Bubble Chamber

Acknowledgments-The PICO Collaboration wishes to thank Eduardo Peinado for useful discussions and SNOLAB and its staff for support through underground space, logistical, and technical services. SNOLAB operations are supported by the Canada Foundation for Innovation (CFI) and the Province of Ontario Ministry of Research and Innovation, with underground access provided by Vale at the Creighton mine site. The authors wish to acknowledge the support of the Natural Sciences and Engineering Research Council of Canada (NSERC) , CFI for funding, and the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. The authors acknowledge that this work is supported by the National Science Foundation (NSF) (Grants No. 0919526, No. 1506337, No. 1242637, and No. PHY-241165) , by the U.S. Department of Energy (DOE) Office of Science, Office of High Energy Physics (Grants No. DE-SC0017815 and No. DE-SC-0012161) , by a DOE Office of Science Graduate Student Research (SCGSR) grant, by the Department of Atomic Energy (DAE) , Government of India, under the Centre for AstroParticle Physics II project (CAPP-II) at the Saha Institute of Nuclear Physics (SINP) , and institutional support of Institute Experimental and Applied Physics (IEAP) , Czech Technical University in Prague (CTU) (DKRVO) . This work is also supported by DGAPA UNAM Grant No. PAPIIT IN105923 and Fundacion Marcos Moshinsky. This work is partially supported by the Kavli Institute for Cosmological Physics at the University of Chicago through NSF Grants No. 1125897 and No. 1806722 and an endowment from the Kavli Foundation and its founder, Fred Kavli. The authors also wish to acknowledge the support from Fermi National Accelerator Laboratory under Contract No. DEAC02-07CH11359 and from Pacific Northwest National Laboratory, which is operated by Battelle for the U.S. Department of Energy under Contract No. DE-AC05-76RL01830. The authors also thank DigitalResearch Alliance of Canada [48] for their computational support. E. V.-J. is grateful for the support of Programa de Apoyos para la Superacion del Personal Academico-Direccion General de Asuntos del Personal Academico (PASPA-DGAPA) , UNAM for a sabbatical leave.