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${{\mathit n}}$ CHARGE

See also “$\vert {{\mathit q}_{{p}}}+{{\mathit q}_{{e}}}\vert /{{\mathit e}}$” in the proton Listings.

VALUE ($ 10^{-21} $ $\mathit e$)

DOCUMENT ID

TECN

COMMENT

$\bf{ -0.2 \pm0.8}$

OUR AVERAGE

$-0.1$ $\pm1.1$

Neutrality of SF$_{6}$

$-0.4$ $\pm1.1$

Cold ${{\mathit n}}$ deflection

• • We do not use the following data for averages, fits, limits, etc. • •

$-15$ $\pm22$

CNTR

Cold ${{\mathit n}}$ deflection

¹	As a limit, this BRESSI 2011 value is $<1 \times 10^{-21}{{\mathit e}}$.

²	The BAUMANN 1988 error $\pm1.1$ gives the 68$\%$ CL limits about the the value $-0.4$.

³	The GAEHLER 1982 error $\pm22$ gives the 90$\%$ CL limits about the the value $-15$.

Conservation Laws:

ELECTRIC CHARGE ($\mathit Q$)

References:

PR A83 052101

Testing the Neutrality of Matter by Acoustic Means in a Spherical Resonator

PR D37 3107

Experimental Limit for Charge of the Free Neutron

PR D25 2887

Experimental Limit for the Charge of the Free Neutron

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