Recent results on short-range gravity experiment

Maki Hata, Takashi Akiyama, Yuki Ikeda, Hirokazu Kawamura, Keigo Narita, Kazufumi Ninomiya, Naruya Ogawa, Toshiaki Sato, Etsuko Seitaibashi, Yuta Sekiguchi, Ryosuke Tsutsui, Kazumasa Yazawa, Jiro Murata

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

According to the ADD model [1], deviation from Newton's inverse square law is expected at below sub-millimeter scale. Present study is an experimental investigation of the Newton's gravitational law at a short range scale. We have developed an experimental setup using torsion balance bar, and succeeded to confirm the inverse square law at a centimeter scale. In addition, composition dependence of gravitational constant G is also tested at the centimeter scale, motivated to test the weak equivalence principle.

Original languageEnglish
Article number012019
JournalJournal of Physics: Conference Series
Volume189
DOIs
Publication statusPublished - 2009 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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