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On the tensor glueball content of soft pomeron

LJ Zhou, 马维兴, WX Ma, LC Liu

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Abstract

We study the gluonic content of the pomeron through relating the pomeron trajectory to the observed I(G)J(PC) = 0(+) 2(++) isoscalar tensor mesons. Four of these mesons satisfy the spin-mass relation of the pomeron. These pomeronian candidates may be hybrid states. One of them, the f(2) (2220) meson, can have a predominant glueball component. We address the unsettled experimental situation about the width of this meson and give a theoretical lower bound for it. We also show why this meson may not be seen in (p) over barp experiments.

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What this paper is about

We study the gluonic content of the pomeron through relating the pomeron trajectory to the observed I(G)J(PC) = 0(+) 2(++) isoscalar tensor mesons. Four of these mesons satisfy the spin-mass relation of the pomeron. These pomeronian candidates may be hybrid states. One of them, the f(2) (2220) meson, can have a predominant glueball component. We address the unsettled experimental situation about the width of this meson and give a theoretical lower bound for it. We also show why this meson may not be seen in (p) over barp experiments.

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Available abstract

We study the gluonic content of the pomeron through relating the pomeron trajectory to the observed I(G)J(PC) = 0(+) 2(++) isoscalar tensor mesons. Four of these mesons satisfy the spin-mass relation of the pomeron. These pomeronian candidates may be hybrid states. One of them, the f(2) (2220) meson, can have a predominant glueball component. We address the unsettled experimental situation about the width of this meson and give a theoretical lower bound for it. We also show why this meson may not be seen in (p) over barp experiments.

Key concepts: Physics, Glueball, Pomeron, Meson, Isoscalar, Particle physics, Tensor (intrinsic definition), Content (measure theory)

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