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Recently BES collaboration observed one interesting resonance X(1835). Wepoint out that its mass, total width, production rate and decay pattern favorits assignment as the second radial excitation of $\eta^\prime$ meson verynaturally

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

X(1835): Natural candidate of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math>’s second radial excitation

X(1835): Natural candidate ofη′’s second radial excitation