Are all particles real?

Abstract
In Bohmian mechanics elementary particles exist objectively, as point particles moving according to a law determined by a wavefunction. In this context, questions as to whether the particles of a certain species are real---questions such as, Do photons exist? Electrons? Or just the quarks?---have a clear meaning. We explain that, whatever the answer, there is a corresponding Bohm-type theory, and no experiment can ever decide between these theories. Another question that has a clear meaning is whether particles are intrinsically distinguishable, i.e., whether particle world lines have labels indicating the species. We discuss the intriguing possibility that the answer is no, and particles are points---just points.
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DOI 10.1016/j.shpsb.2004.11.005
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References found in this work BETA
Bohmian Mechanics.Sheldon Goldstein - 2008 - Stanford Encyclopedia of Philosophy.
Beables for Quantum Field Theory.J. S. Bell - 1987 - In Basil J. Hiley & D. Peat (eds.), Quantum Implications: Essays in Honour of David Bohm. Methuen. pp. 227--234.
Bohmian Mechanics Revisited.E. Deotto & G. C. Ghirardi - 1998 - Foundations of Physics 28 (1):1-30.

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Citations of this work BETA
The Physics and Metaphysics of Primitive Stuff.M. Esfeld, D. Lazarovici, V. Lam & M. Hubert - 2015 - British Journal for the Philosophy of Science:axv026.
Epistemology of Wave Function Collapse in Quantum Physics.Charles Wesley Cowan & Roderich Tumulka - 2016 - British Journal for the Philosophy of Science 67 (2):405-434.

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