New Regions for a Chameleon to Hide

Abstract

We show that inclusion of an extremely small quartic coupling constant in the potential for a nearly massless scalar field greatly increases the experimentally allowed region for the mass term and the coupling of the field to matter.

17 pages, 1 figure,refs added, equation typos corrected, conclusions unchanged

References in corpus (18)

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• Chameleon Cosmology
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Cited by in corpus (25)

• Modified Gravity and Cosmology
• Beyond the Cosmological Standard Model
• Evading Equivalence Principle Violations, Cosmological and other Experimental Constraints in Scalar Field Theories with a Strong Coupling to Matter
• Environmental Dependence of Masses and Coupling Constants
• Spin-Dependent Macroscopic Forces from New Particle Exchange
• Exploring nu signals in dark matter detectors
• The speed of the `bullet' in the merging galaxy cluster 1E0657-56
• Strongly Coupled Chameleon Fields: New Horizons in Scalar Field Theory
• Detecting Chameleons through Casimir Force Measurements
• Chameleons with Field Dependent Couplings
• Probing new spin-independent interactions through precision spectroscopy in atoms with few electrons
• Chameleon dark energy models with characteristic signatures
• Unveiling Chameleons in Tests of Gravitational Inverse-Square Law
• Short Baseline Neutrino Oscillations and a New Light Gauge Boson
• Chameleon scalar fields in relativistic gravitational backgrounds
• Revisiting chameleon gravity - thin-shells and no-shells with appropriate boundary conditions
• A sub-GeV dark matter model
• Chameleon Vector Bosons
• Detecting Beyond the Standard Model Interactions of Solar Neutrinos in Low-Threshold Dark Matter Detectors
• Searching for a Fifth Force with Atomic and Nuclear Clocks
• Connection between a possible fifth force and the direct detection of Dark Matter
• Opportunities for probing $U(1{)}_{T3R}$ with light mediators
• Consequences of Fine-Tuning for Fifth Force Searches
• Testing feasibility of scalar-tensor gravity by scale dependent mass and coupling to matter
• Effective field theory analysis of the self-interacting chameleon