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We report the search for a nonstandard force by measuring the Casimir forces in the 0.48--6.5 $\mu$m range. By comparing the data and the theory of the Casimir force, we have obtained constraints for the parameter $\alpha$ of the…

High Energy Physics - Experiment · Physics 2009-06-19 M. Masuda , M. Sasaki

A micromechanical torsion oscillator has been used to strengthen the limits on new Yukawa forces by determining the Casimir pressure between two gold-coated plates. By significantly reducing the random errors and obtaining the electronic…

High Energy Physics - Phenomenology · Physics 2016-08-14 R. S. Decca , D. López , E. Fischbach , G. L. Klimchitskaya , D. E. Krause , V. M. Mostepanenko

We obtain constraints on the Yukawa-type corrections to Newton's gravitational law and on the coupling constant of axionlike particles to nucleons following from the experiment on measuring the Casimir force between an Au-coated microsphere…

High Energy Physics - Phenomenology · Physics 2020-06-05 G. L. Klimchitskaya , P. Kuusk , V. M. Mostepanenko

We report an experimental test of non-Newtonian gravitational forces at mi- crometer range. To experimentally subtract off the Casimir force and the electrostatic force background, differential force measurements were performed by sensing…

General Relativity and Quantum Cosmology · Physics 2016-07-21 Pengshun Luo , Jianbo Wang , Shengguo Guan , Wenjie Wu , Zhaoyang Tian , Shanqing Yang , Chenggang Shao , Jun Luo

Several recent theories suggest that light moduli or particles in "large" extra dimensions could mediate macroscopic forces exceeding gravitational strength at length scales below a millimeter. Such new forces can be parameterized as a…

High Energy Physics - Experiment · Physics 2008-11-26 Andrew A. Geraci , Sylvia J. Smullin , David M. Weld , John Chiaverini , Aharon Kapitulnik

We discuss possibility to obtain stronger constraints on non-Newtonian gravity from measuring the gradient of the Casimir force between a cylinder and a plate. Exact analytical expression for the Yukawa-type force in a cylinder-plate…

General Relativity and Quantum Cosmology · Physics 2010-12-24 G. L. Klimchitskaya , C. Romero

We report new constraints on extra-dimensional models and other physics beyond the Standard Model based on measurements of the Casimir force between two dissimilar metals for separations in the range 0.2--1.2 $\mu$m. The Casimir force…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. S. Decca , E. Fischbach , G. L. Klimchitskaya , D. E. Krause , D. L. Lopez , V. M. Mostepanenko

We report the results of new differential force measurements between a test mass and rotating source masses of gold and silicon to search for forces beyond Newtonian gravity at short separations. The technique employed subtracts the…

High Energy Physics - Experiment · Physics 2016-06-08 Y. -J. Chen , W. K. Tham , D. E. Krause , D. Lopez , E. Fischbach , R. S. Decca

We review new constraints on the Yukawa-type corrections to Newtonian gravity obtained recently from gravitational experiments and from the measurements of the Casimir force. Special attention is paid to the constraints following from the…

High Energy Physics - Theory · Physics 2008-11-26 V. M. Mostepanenko , R. S. Decca , E. Fischbach , G. L. Klimchitskaya , D. E. Krause , D. López

Results of an experimental search for new macroscopic forces with Yukawa range between 5 and 500 microns are presented. The experiment uses 1 kHz mechanical oscillators as test masses with a stiff conducting shield between them to suppress…

High Energy Physics - Phenomenology · Physics 2015-06-25 Joshua C. Long , Hilton W. Chan , Allison B. Churnside , Eric A. Gulbis , Michael C. M. Varney , John C. Price

Constraints on the Yukawa-type corrections to Newtonian gravitational law are obtained resulting from the measurement of the Casimir force between two crossed cylinders. The new constraints are stronger than those previously derived in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. M. Mostepanenko , M. Novello

We report stronger constraints on the parameters of Yukawa-type corrections to Newtonian gravity from measurements of the lateral Casimir force between sinusoidally corrugated surfaces of a sphere and a plate. In the interaction range from…

High Energy Physics - Theory · Physics 2010-04-06 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

It has been known that in the nanometer interaction range the available experimental data do not exclude the Yukawa-type corrections to Newton's gravitational law which exceed the Newtonian gravitational force by many orders of magnitude.…

Quantum Physics · Physics 2023-05-16 G. L. Klimchitskaya , V. M. Mostepanenko

We consider the Casimir force including all important corrections to it for the configuration used in a recent experiment employing an atomic force microscope. We calculate the long-range hypothetical forces due to the exchange of light and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Bordag , B. Geyer , G. L. Klimchitskaya , V. M. Mostepanenko

We discuss a proposal to measure the Casimir force in the parallel plate configuration in the $1-10\mu$m range via a high-sensitivity torsional balance. This will allow to measure the thermal contribution to the Casimir force therefore…

Quantum Physics · Physics 2007-05-23 A. Lambrecht , V. V. Nesvizhevsky , R. Onofrio , S. Reynaud

Recent theories of physics beyond the standard model have predicted deviations from Newtonian gravity at short distances. In order to test these theories, we have a built an apparatus that can measure attonewton-scale forces between gold…

High Energy Physics - Phenomenology · Physics 2014-11-18 S. J. Smullin , A. A. Geraci , D. M. Weld , J. Chiaverini , S. Holmes , A. Kapitulnik

The recent ideas that the gravitational and gauge interactions become united at the weak scale lead to Yukawa-type corrections to the Newtonian gravitational law at small distances. We briefly summarize the best constraints on these…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. M. Mostepanenko , M. Novello

We report constraints on the parameters of Yukawa-type corrections to Newtonian gravity from measurements of the gradient of the Casimir force in the configuration of an Au-coated sphere above a Si plate covered with corrugations of…

High Energy Physics - Phenomenology · Physics 2011-11-10 V. B. Bezerra , G. L. Klimchitskaya , V. M. Mostepanenko , C. Romero

We obtain constraints on non-Newtonian gravity following from the improved precision measurement of the Casimir force by means of atomic force microscope. The hypothetical force is calculated in experimental configuration (a sphere above a…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Bordag , B. Geyer , G. L. Klimchitskaya , V. M. Mostepanenko

We obtain constraints on parameters of the Yukawa-type corrections to Newton's gravitational law from measurements of the gradient of the Casimir force between surfaces coated with ferromagnetic metal Ni and from measurements of the Casimir…

General Relativity and Quantum Cosmology · Physics 2013-07-17 G. L. Klimchitskaya , U. Mohideen , V. M. Mostepanenko
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