A TRANSLATIONAL INVARIANT BAG MODEL AND THE PROTON LIFETIME

JIU ZHONG-PIN; LIU LIAN-SOU; LIU BAO-HUA

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2024年10月30日

Chinese Physics C> 1982, Vol. 6> Issue(6) : 702-710

A TRANSLATIONAL INVARIANT BAG MODEL AND THE PROTON LIFETIME

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Abstract：
The effect of hadron structure on the rate of proton decay caused by baryon-num-ber violatng interantion in the SU(5) grand unified theories is considered. The protonlifetime is calculated using an improved translational invariant bag model. We dealwith recoil effect in the decay process properly and thus overcome some problems exis-ting in the popular bag model calculations, for example, "overestimating the wave func-tion overlaps" and adding "a form factor to describe the high momentum suppres-sion". Our result is consistent with recent experiments and can undergo further ex-perimental test. We obtain τ_p=1.39×10³¹ yr, for M_x=4.2×10¹⁴GeV.

References

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JIU ZHONG-PIN, LIU LIAN-SOU and LIU BAO-HUA. A TRANSLATIONAL INVARIANT BAG MODEL AND THE PROTON LIFETIME[J]. Chinese Physics C, 1982, 6(6): 702-710.

JIU ZHONG-PIN, LIU LIAN-SOU and LIU BAO-HUA. A TRANSLATIONAL INVARIANT BAG MODEL AND THE PROTON LIFETIME[J]. Chinese Physics C, 1982, 6(6): 702-710. shu

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Received: 1981-06-20
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A TRANSLATIONAL INVARIANT BAG MODEL AND THE PROTON LIFETIME

Received Date: 1981-06-20
Accepted Date: 1900-01-01
Available Online: 1982-12-05

Abstract: The effect of hadron structure on the rate of proton decay caused by baryon-num-ber violatng interantion in the SU(5) grand unified theories is considered. The protonlifetime is calculated using an improved translational invariant bag model. We dealwith recoil effect in the decay process properly and thus overcome some problems exis-ting in the popular bag model calculations, for example, "overestimating the wave func-tion overlaps" and adding "a form factor to describe the high momentum suppres-sion". Our result is consistent with recent experiments and can undergo further ex-perimental test. We obtain τ_p=1.39×10³¹ yr, for M_x=4.2×10¹⁴GeV.