Hard Diffractive Production of Heavy Flavors in High Energy p+p(p) Collisions

Peng Hongan; Qin Kecheng; He Zhenmin

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2024年10月30日

Chinese Physics C> 1994, Vol. 18> Issue(12) : 1078-1085

Hard Diffractive Production of Heavy Flavors in High Energy p+p(p) Collisions

Department of Physict, Peking University,Beijing 1008711 Department of Physics, Hebel Teachers'University,Shijicazhuang 050016

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Abstract：
The p+p(p)→p+J/ψ(Υ)+X processes for energies ranging from ISR to SSC are discussed. Assuming that Pomeron(P)have parton distributions and dominated by gluons with behavior as when x.is small,we calculate carefully the cross sections for the above hard diffractive processes and of"background"DrellYan Processes by tab lug two main sub-diagrams in the lowest order of QCD.In contrast to InS increasing with S for the background cross sections,the hard diffractive ones increase as(InS)²,hance the latter would be greatly beyond the former at TeV energies.We shown that this property is universal for other hard diffractive processes.So,if our assumptions about P are right,they would provide a new method for detecting physical particles at superhigh energies.

References

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Peng Hongan, Qin Kecheng and He Zhenmin. Hard Diffractive Production of Heavy Flavors in High Energy p+p(p) Collisions[J]. Chinese Physics C, 1994, 18(12): 1078-1085.

Peng Hongan, Qin Kecheng and He Zhenmin. Hard Diffractive Production of Heavy Flavors in High Energy p+p(p) Collisions[J]. Chinese Physics C, 1994, 18(12): 1078-1085. shu

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Received: 1900-01-01
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

Hard Diffractive Production of Heavy Flavors in High Energy p+p(p) Collisions

Corresponding author: Peng Hongan,

Department of Physict, Peking University,Beijing 1008711 Department of Physics, Hebel Teachers'University,Shijicazhuang 050016

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-12-05

Abstract: The p+p(p)→p+J/ψ(Υ)+X processes for energies ranging from ISR to SSC are discussed. Assuming that Pomeron(P)have parton distributions and dominated by gluons with behavior as when x.is small,we calculate carefully the cross sections for the above hard diffractive processes and of"background"DrellYan Processes by tab lug two main sub-diagrams in the lowest order of QCD.In contrast to InS increasing with S for the background cross sections,the hard diffractive ones increase as(InS)²,hance the latter would be greatly beyond the former at TeV energies.We shown that this property is universal for other hard diffractive processes.So,if our assumptions about P are right,they would provide a new method for detecting physical particles at superhigh energies.