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High Energy Physics - Phenomenology

arXiv:hep-ph/0508205 (hep-ph)
[Submitted on 18 Aug 2005 (v1), last revised 10 Dec 2005 (this version, v2)]

Title:Resonant production of diquarks at high energy pp, ep and e+e- colliders

Authors:O. Cakir (Ankara University, Ankara, Turkey), M. Sahin (Ankara University, Ankara, Turkey)
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Abstract: Resonant productions of the first generation scalar and vector diquarks at high energy hadron-hadron (pp), lepton-hadron (ep) and lepton-lepton (e+e-) colliders are investigated. Taking into account the hadronic component of the photon, diquarks can be produced resonantly in the lepton-hadron and lepton-lepton collisions. Production rates, decay widths and signatures of diquarks are discussed using the general, SU(3)_{C} x SU(2)_{W} x U(1)_{Y} invariant, effective Lagrangian. The corresponding dijet backgrounds are examined in the interested invariant mass regions. The attainable mass limits and couplings are obtained for the diquarks that can be produced in hadron collisions and in resolved photon processes. It is shown that hadron collider with center of mass energy sqrt(s)=14 TeV will be able to discover scalar and vector diquarks with masses up to m_{DQ}=9 TeV for quark-diquark-quark coupling alpha_{DQ}=0.1. Relatively, lighter diquarks can be probed at ep and e+e- collisions in more clear environment.
Comments: 12 pages, 12 figures, 6 tables
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0508205
  (or arXiv:hep-ph/0508205v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0508205
Journal reference: Phys.Rev.D72:115011,2005
Related DOI: https://doi.org/10.1103/PhysRevD.72.115011

Submission history

From: Orhan Cakir [view email]
[v1] Thu, 18 Aug 2005 23:56:21 UTC (67 KB)
[v2] Sat, 10 Dec 2005 10:57:41 UTC (67 KB)
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