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Inverse seesaw model with global <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>1</mml:mn><mml:msub><mml:mo stretchy="false">)</mml:mo><mml:mi>H</mml:mi></mml:msub></mml:math> symmetry
We propose an inverse seesaw model based on hidden global symmetry $U(1{)}_{H}$ in which we realize tiny neutrino masses with rather natural manner taking into account relevant experimental bounds. The small Majorana mass for inverse seesaw mechanism is induced via the small vacuum expectation value of a triplet scalar field …