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On Possible Glueball Nature of Soft Pomeron

Qing Wu, Lijuan Zhou, Weixing Ma

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Abstract

We study the gluonic content of the Pomeron through relating the Pomeron trajectory to the observed I(superscript G)J(superscript PC)=0(superscript +)2(superscript ++) 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 f2 (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 has not been seen in (average)pp 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(superscript G)J(superscript PC)=0(superscript +)2(superscript ++) 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 f2 (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 has not been seen in (average)pp experiments.

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Available abstract

We study the gluonic content of the Pomeron through relating the Pomeron trajectory to the observed I(superscript G)J(superscript PC)=0(superscript +)2(superscript ++) 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 f2 (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 has not been seen in (average)pp experiments.

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

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