Hadron Mass Corrections and Patron Transverse Momentum in Hadronic μ-Pair Production

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概要

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• Hadron mass corrections for the hadronic dimuon productions are calculated by using the Lorentz invariant parton model which gives results equivalent to the operator-product expansion and QCD for the deep inelastic lepton-hadron scattering. The dimuon mass spectrum from the Drell-Yan mechanism turns out to be larger than the naive parton model, but the difference is small (typically of the order of M^2/s, where M is the beam and target hadron mass). The hadron mass correction introduces a well-defined transverse momentum distribution of partons derivable from the observed x distribution in the deep inelastic scattering. To explain the recent data of the large <q_T^2> of the dimuon system, however, one needs much more "primordial" parton p_T than that due to the hadron mass effect, even after taking account of gluon corrections.

• 理論物理学刊行会の論文
• 1978-12-25

著者

• Sakai Norisuke

  Department Of Mathematics Tokyo Woman's Christian University

• KANEKO Toshiaki

  Department of Applied Physics, Okayama University of Science

• KANEKO Tsuneo

  Graduate School of Science and Technology, Niigata University

• HARADA Kazuo

  Kurashiki-Sakuyo University

• HARADA Kazuo

  Division of Life-Information Processing, Junior College Sakuyo

• Kaneko T

  Niigata Univ. Niigata Jpn

• Sawada Osamu

  Natioinal Laboratory For High Energy Physics

• HARADA Kuni

  Department of Physics, Tohoku University

• KANEKO Takumi

  Advanced Research Institute for Science and Engineering Waseda University

• Harada Kuni

  Department Of Physics Tohoku University

• KANEKO Tsuneo

  Department of Physics, Niigata Univeristy

• Takao KANEKO

  Department of Physics, Meijo University

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