Search for deviations from the inverse square law of gravity at nm range using a pulsed neutron beam

Christopher C. Haddock, Noriko Oi, Katsuya Hirota, Takashi Ino, Masaaki Kitaguchi, Satoru Matsumoto, Kenji Mishima, Tatsushi Shima, Hirohiko M. Shimizu, W. Michael Snow, Tamaki Yoshioka

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Abstract

We describe an experimental search for deviations from the inverse-square law of gravity at the nanometer length scale using neutron scattering from noble gases on a pulsed slow neutron beam line. By measuring the neutron momentum transfer (q) dependence of the differential cross section for xenon and helium and comparing to their well-known analytical forms, we place an upper bound on the strength of a new interaction as a function of interaction length λ which improves upon previous results in the region λ<0.1 nm, and remains competitive in the larger-λ region. A pseudoexperimental simulation is developed for this experiment and its role in the data analysis is described. We conclude with plans for improving sensitivity in the larger-λ region.

Original languageEnglish
Article number062002
JournalPhysical Review D
Volume97
Issue number6
DOIs
Publication statusPublished - Mar 15 2018

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Haddock, C. C., Oi, N., Hirota, K., Ino, T., Kitaguchi, M., Matsumoto, S., Mishima, K., Shima, T., Shimizu, H. M., Snow, W. M., & Yoshioka, T. (2018). Search for deviations from the inverse square law of gravity at nm range using a pulsed neutron beam. Physical Review D, 97(6), [062002]. https://doi.org/10.1103/PhysRevD.97.062002