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Advances in High Energy Physics
Volume 2017 (2017), Article ID 6738409, 14 pages
https://doi.org/10.1155/2017/6738409
Research Article

Bounds on the Electromagnetic Dipole Moments through the Single Top Production at the CLIC

1Department of Optical Engineering, Cumhuriyet University, 58140 Sivas, Turkey
2Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey
3Facultad de Física, Universidad Autónoma de Zacatecas, Apartado Postal C-580, 98060 Zacatecas, ZAC, Mexico

Correspondence should be addressed to A. Gutiérrez-Rodríguez; xm.ude.zau.acisif@ugxela

Received 11 September 2016; Revised 6 November 2016; Accepted 15 November 2016; Published 6 February 2017

Academic Editor: Lorenzo Bianchini

Copyright © 2017 M. Köksal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.

Linked References

  1. S. L. Glashow, “Partial-symmetries of weak interactions,” Nuclear Physics, vol. 22, no. 4, pp. 579–588, 1961. View at Publisher · View at Google Scholar · View at Scopus
  2. S. Weinberg, “A model of leptons,” Physical Review Letters, vol. 19, no. 21, pp. 1264–1266, 1967. View at Publisher · View at Google Scholar
  3. A. Salam, Elementary Particle Theory, Edited by N. Svartholm, Almquist and Wiskell, Stockholm, Sweden, 1968.
  4. K. A. Olive, K. Agashe, C. Amsler et al., “Review of particle physics,” Chinese Physics C, vol. 38, no. 9, Article ID 090001, 2014. View at Publisher · View at Google Scholar
  5. ATLAS Collaboration, “Measurement of the inclusive tt-γ cross section with the ATLAS detector,” Tech. Rep. ATLAS-CONF-2011-153, ATLAS-COM-CONF-2011-186, 2011. View at Google Scholar
  6. CMS Collaboration, “Measurement of the inclusive top-quark pair + photon production cross section in the muon + jets channel in pp collisions at 8 TeV,” Tech. Rep. CMS-PAS-TOP-13011, 2014. View at Google Scholar
  7. T. Abe, N. Arkani-Hamed, D. Asner et al., “Linear collider physics resource book for snowmass 2001—part 1: introduction,” https://arxiv.org/abs/hep-ex/0106055.
  8. T. Abe, N. Arkani-Hamed, D. Asner et al., “Linear collider physics resource book for snowmass 2001—part 2: higgs and supersymmetry studies,” https://arxiv.org/abs/hep-ex/0106056.
  9. G. Aarons, T. Abe, J. Abernathy et al., “International Linear Collider Reference Design Report Volume 2: PHYSICS AT THE ILC,” https://arxiv.org/abs/0709.1893.
  10. J. Brau, Y. Okada, N. Walker et al., “ILC reference design report volume 1—executive summary,” https://arxiv.org/abs/0712.1950.
  11. H. Baer, T. Barklow, K. Fujii et al., “The international linear collider technical design report—volume 2: physics,” https://arxiv.org/abs/1306.6352.
  12. E. Accomando, A. Aranda, E. Ateser et al., “Physics at the CLIC Multi-TeV Linear Collider,” https://arxiv.org/abs/hep-ph/0412251.
  13. D. Dannheim, P. Lebrun, L. Linssen et al., “CLIC e+e- linear collider studies,” https://arxiv.org/abs/1208.1402.
  14. J. A. Aguilar-Saavedra, J. Alcaraz, A. Ali et al., “TESLA: the superconducting electron positron linear collider with an integrated x-ray laser laboratory. Technical design report. Part III. Physics at an e+e linear collider,” https://arxiv.org/abs/hep-ph/0106315.
  15. T. Abe, N. Arkani-Hamed, D. Asner et al., “Linear collider physics resource book for snowmass 2001—part 3: studies of exotic and standard model physics,” https://arxiv.org/abs/hep-ex/0106057.
  16. T. Abe, N. Arkani-Hamed, D. Asner et al., “Linear collider physics resource book for snowmass 2001—part 4: theoretical, accelerator, and experimental options,” https://arxiv.org/abs/hep-ex/0106058.
  17. H. Abramowicz, A. Abusleme, K. Afanaciev et al., “Physics at the CLIC e+e- linear collider—input to the snowmass process 2013,” https://arxiv.org/abs/1307.5288.
  18. A. Soni and R. M. Xu, “Electric dipole moment of the top quark in Higgs-boson-exchange models of CP nonconservation,” Physical Review Letters, vol. 69, no. 1, article 33, 1992. View at Publisher · View at Google Scholar
  19. A. Soni and R. M. Xu, “Analysis for magnetic moment and electric dipole moment form factors of the top quark via e+e-tt-,” Physical Review D, vol. 45, no. 7, p. 2405, 1992. View at Publisher · View at Google Scholar
  20. A. Bartl, E. Christova, T. Gajdosik, and W. Majerotto, “Electroweak dipole moment form factors of the top quark in supersymmetry,” Nuclear Physics B—Proceedings Supplements, vol. 66, no. 1-3, pp. 75–78, 1998. View at Publisher · View at Google Scholar · View at Scopus
  21. W. Hollik, J. I. Illana, S. Rigolin, C. Schappacher, and D. Stöckinger, “Top dipole form-factors and loop induced CP violation in supersymmetry,” Nuclear Physics B, vol. 551, no. 3, 1999, Erratum to Nuclear Physics B, vol. 557, p. 407, 1999. View at Google Scholar
  22. C. S. Huang and T. J. Li, “Electric dipole moment and chromoelectric electric dipole moment of the top quark in SU3C×SU3L×U1X model,” Zeitschrift für Physik, vol. 68, no. 2, pp. 319–324, 1995. View at Publisher · View at Google Scholar
  23. G. A. González-Sprinberg, R. Martínez, and J. Vidal, “Top quark tensor couplings,” Journal of High Energy Physics, vol. 1107, p. 94, 2011. View at Google Scholar
  24. R. Martínez, J. Alexis Rodríguez, and M. Vargas, “Constraint on the magnetic moment of the top quark,” Physical Review D, vol. 60, no. 7, Article ID 077504, 1999. View at Publisher · View at Google Scholar
  25. F. Larios, M. A. Pérez, and C. P. Yuan, “Analysis of t-b-W and t-t-Z couplings from CLEO and LEP/SLC data,” Physics Letters B, vol. 457, no. 4, pp. 334–340, 1999. View at Publisher · View at Google Scholar
  26. D. Atwood, A. Aeppli, and A. Soni, “Extracting anomalous gluona top-quark effective couplings at the supercolliders,” Physical Review Letters, vol. 69, no. 19, p. 2754, 1992. View at Publisher · View at Google Scholar · View at Scopus
  27. P. Poulose and S. D. Rindani, “Electric dipole moment of the top quark and CP-violating asymmetries in γγtt-,” Physical Review D, vol. 57, no. 9, Article ID 5444, 1998, Erratum: Physical Review D, vol. 61, Article ID 119902, 2000. View at Publisher · View at Google Scholar
  28. S. Y. Choi and K. Hagiwara, “Probing the top-quark electric dipole moment at a photon linear collider,” Physics Letters B, vol. 359, no. 3-4, pp. 369–374, 1995. View at Publisher · View at Google Scholar
  29. P. Poulose and S. D. Rindani, “Improved bounds on the dipole moments of the tau neutrino from high-energy γ*e- and γ*γ* collisions at the ILC and CLIC,” Physical Review D, vol. 91, no. 9, Article ID 093008, 2015. View at Publisher · View at Google Scholar
  30. E. Boos, M. Dubinin, A. Pukhov, M. Sachwitz, and H. J. Schreiber, “Single top production in e+e, ee, gamma e and gamma gamma collisions,” The European Physical Journal C, vol. 21, p. 81, 2001. View at Google Scholar
  31. P. Batra and T. M. P. Tait, “Measuring the Wtb interaction at the ILC,” Physical Review D, vol. 74, no. 5, Article ID 054021, 6 pages, 2006. View at Publisher · View at Google Scholar
  32. J. Fuster, I. García, P. Gomis, M. Perelló, E. Ros, and M. Vos, “Study of single top production at high energy electron positron colliders,” The European Physical Journal C, vol. 75, article 223, 2015. View at Publisher · View at Google Scholar
  33. E. Boos and L. Dudko, “The single top quark physics,” International Journal of Modern Physics A, vol. 27, no. 26, Article ID 1230026, 2012. View at Publisher · View at Google Scholar
  34. E. Boos, “Top quarks at photon colliders,” Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 472, no. 1-2, pp. 22–29, 2001. View at Publisher · View at Google Scholar
  35. E. Boos, A. Pukhov, M. Sachwitz, and H. J. Schreiber, “Probing anomalous Wtb coupling via single top production at TeV energy γe colliders,” Physics Letters B, vol. 404, no. 1-2, pp. 119–123, 1997. View at Google Scholar
  36. G. Jikia, “Single t-quark production in high-energy γe collisions,” Nuclear Physics B, vol. 374, no. 1, pp. 83–98, 1992. View at Publisher · View at Google Scholar
  37. E. Boos, Y. Kurihara, M. Sachwitz, H. J. Schreiber, S. Shichanin, and Y. Shimizu, “Top quark production in the reaction e+e → eνtb at linear collider energies,” Zeitschrift für Physik C, vol. 70, no. 2, pp. 255–261, 1996. View at Publisher · View at Google Scholar
  38. E. Boos, A. Pukhov, M. Sachwitz, and H. J. Schreiber, “Higgs and top production in the reaction γeυ bb- W,” Zeitschrift für Physik C, vol. 75, no. 2, pp. 237–244, 1997. View at Publisher · View at Google Scholar
  39. J.-J. Cao, J.-X. Wang, J. M. Yang, B.-L. Young, and X. Zhang, “Probing anomalous top quark couplings at colliders,” Physical Review D, vol. 58, no. 9, Article ID 094004, 7 pages, 1998. View at Publisher · View at Google Scholar
  40. G. Weiglein, T. Barklow, E. Boos et al., “Physics interplay of the LHC and the ILC,” Physics Reports, vol. 426, no. 2–6, pp. 47–358, 2006. View at Publisher · View at Google Scholar
  41. A. P. Heinson, A. S. Belyaev, and E. E. Boos, “Single top quarks at the Fermilab Tevatron,” Physical Review D, vol. 56, no. 5, pp. 3114–3128, 1997. View at Publisher · View at Google Scholar
  42. D. O. Carlson and C.-P. Yuan, “Studying the top quark via the W-gluon fusion process,” Physics Letters B, vol. 306, no. 3-4, pp. 386–390, 1993. View at Publisher · View at Google Scholar
  43. D. O. Carlson, E. Malkawi, and C. P. Yuan, “Probing the couplings of the top quark to gauge bosons,” Physics Letters B, vol. 337, no. 1-2, pp. 145–151, 1994. View at Publisher · View at Google Scholar
  44. E. H. Simmons, “New gauge interactions and single top-quark production,” Physical Review D, vol. 55, no. 9, pp. 5494–5500, 1997. View at Publisher · View at Google Scholar
  45. D. Atwood, S. Bar-Shalom, G. Eilam, and A. Soni, “CP nonconservation in pp-tb-X at the Fermilab Tevatron,” Physical Review D, vol. 54, no. 9, pp. 5412–5416, 1996. View at Publisher · View at Google Scholar
  46. C. S. Li, R. J. Oakes, and J. M. Yang, “Yukawa corrections to single top-quark production at the Fermilab Tevatron in the two-Higgs-doublet models,” Physical Review D, vol. 55, no. 3, p. 1672, 1997. View at Publisher · View at Google Scholar
  47. E. Malkawi and T. Tait, “Top-quark-charm-quark strong flavor-changing neutral currents at the Fermilab Tevatron,” Physical Review D, vol. 54, no. 9, pp. 5758–5762, 1996. View at Publisher · View at Google Scholar
  48. A. Datta, J. M. Yang, B. Young, and X. Zhang, “R—parity-violating supersymmetry effects and signals in single top quark production at the Fermilab Tevatron,” Physical Review D, vol. 56, no. 5, pp. 3107–3113, 1997. View at Publisher · View at Google Scholar
  49. R. J. Oakes, K. Whisnant, J. M. Yang, B. Young, and X. Zhang, “Single top quark production as a probe of R-parity-violating supersymmetry at pp and pp- colliders,” Physical Review D, vol. 57, no. 1, pp. 534–540, 1998. View at Publisher · View at Google Scholar
  50. W. Bernreuther, R. Bonciani, T. Gehrmann et al., “QCD corrections to static heavy-quark form factors,” Physical Review Letters, vol. 95, no. 26, Article ID 261802, 2005. View at Publisher · View at Google Scholar
  51. F. Hoogeveen, “The standard model prediction for the electric dipole moment of the electron,” Nuclear Physics B, vol. 341, no. 2, pp. 322–340, 1990. View at Publisher · View at Google Scholar
  52. M. E. Pospelov and I. B. Khriplovich, “Electric dipole moment of the W boson and the electron in the Kobayashi-Maskawa model,” Soviet Journal of Nuclear Physics, vol. 53, pp. 638–640, 1991, Yadernaya Fizika, vol. 53, pp. 1030–1033, 1991. View at Google Scholar
  53. T. Ibrahim and P. Nath, “Top quark electric dipole moment in a minimal supersymmetric standard model extension with vectorlike multiplets,” Physical Review D, vol. 82, no. 5, Article ID 055001, 10 pages, 2010. View at Publisher · View at Google Scholar
  54. U. Baur, A. Juste, L. H. Orr, and D. Rainwater, “Probing electroweak top quark couplings at hadron colliders,” Physical Review D, vol. 71, no. 5, Article ID 054013, 2005. View at Publisher · View at Google Scholar
  55. A. O. Bouzas and F. Larios, “Electromagnetic dipole moments of the top quark,” Physical Review D, vol. 87, no. 7, Article ID 074015, 7 pages, 2013. View at Publisher · View at Google Scholar
  56. A. O. Bouzas and F. Larios, “Probing ttγ and ttZ couplings at the LHeC,” Physical Review D, vol. 88, no. 9, Article ID 094007, 2013. View at Publisher · View at Google Scholar
  57. S. Fayazbakhsh, S. T. Monfared, and M. M. Najafabadi, “Top quark anomalous electromagnetic couplings in photon-photon scattering at the LHC,” Physical Review D, vol. 92, no. 1, Article ID 014006, 2015. View at Publisher · View at Google Scholar · View at Scopus
  58. M. S. Amjad, M. Boronat, T. Frisson et al., “A precise determination of top quark electro-weak couplings at the ILC operating at s=500 GeV,” https://arxiv.org/abs/1307.8102.
  59. A. Juste, Y. Kiyo, F. Petriello et al., “Report of the 2005 Snowmass Top/QCD Working Group,” https://arxiv.org/abs/hep-ph/0601112.
  60. D. Asner, A. Hoang, Y. Kiyo, R. Pöschl, Y. Sumino, and M. Vos, “Top quark precision physics at the International Linear Collider,” https://arxiv.org/abs/1307.8265.
  61. J. F. Kamenik, M. Papucci, and A. Weiler, “Constraining the dipole moments of the top quark,” Physical Review D, vol. 85, no. 7, Article ID 071501, 2012. View at Publisher · View at Google Scholar
  62. J. A. Aguilar-Saavedra, “A minimal set of top anomalous couplings,” Nuclear Physics B, vol. 812, no. 1-2, pp. 181–204, 2009. View at Publisher · View at Google Scholar
  63. J. A. Aguilar-Saavedra, M. C. N. Fiolhais, and A. Onofre, “Top effective operators at the ILC,” Journal of High Energy Physics, vol. 2012, article 180, 2012. View at Publisher · View at Google Scholar
  64. G. Moortgat-Pick, T. Abe, G. Alexander et al., “Polarized positrons and electrons at the linear collider,” Physics Reports, vol. 460, no. 4-5, pp. 131–243, 2008. View at Publisher · View at Google Scholar
  65. V. M. Budnev, I. F. Ginzburg, G. V. Meledin, and V. G. Serbo, “The two-photon particle production mechanism. Physical problems. Applications. Equivalent photon approximation,” Physics Reports, vol. 15, no. 4, pp. 181–282, 1975. View at Publisher · View at Google Scholar · View at Scopus
  66. G. Baur, K. Hencken, D. Trautmann, S. Sadovsky, and Y. Kharlov, “Coherent γγ and γA interactions in very peripheral collisions at relativistic ion colliders,” Physics Reports, vol. 364, no. 5, pp. 359–450, 2002. View at Publisher · View at Google Scholar
  67. K. Piotrzkowski, “Tagging two-photon production at the CERN Large Hadron Collider,” Physical Review D, vol. 63, no. 7, Article ID 071502, 2001. View at Publisher · View at Google Scholar
  68. M. Acciarri, O. Adrianip, M. Aguilar-Benitez et al., “Measurement of the anomalous magnetic and electric dipole moments of the tau lepton,” Physics Letters B, vol. 434, no. 1-2, pp. 169–179, 1998. View at Publisher · View at Google Scholar
  69. K. Ackerstaff, G. Alexanderv, J. Allisonp et al., “An upper limit on the anomalous magnetic moment of the τ lepton,” Physics Letters B, vol. 431, no. 1-2, pp. 188–198, 1998. View at Publisher · View at Google Scholar
  70. İ. Şahin, “Electromagnetic properties of the neutrinos in γp collision at the LHC,” Physical Review D, vol. 85, no. 3, Article ID 033002, 8 pages, 2012. View at Publisher · View at Google Scholar
  71. A. A. Billur, M. Köksal et al., “Probe of the electromagnetic moments of the tau lepton in gamma-gamma collisions at the CLIC,” Physical Review D, vol. 89, no. 3, Article ID 037301, 2014. View at Publisher · View at Google Scholar
  72. A. Abulencia, J. Adelman, T. Affolder et al., “Observation of exclusive electron-positron production in hadron-hadron collisions,” Physical Review Letters, vol. 98, no. 11, Article ID 112001, 7 pages, 2007. View at Publisher · View at Google Scholar
  73. T. Aaltonen, J. Adelman, T. Akimoto et al., “Search for exclusive Z-boson production and observation of high-mass pp-pγγp-pl+l-p- Events in pp- Collisions at s=1.96 TeV,” Physical Review Letters, vol. 102, no. 22, Article ID 222002, 2009. View at Publisher · View at Google Scholar
  74. T. Aaltonen, P. Mehtala, R. Orava et al., “Observation of Exclusive Charmonium Production and γγμ+μ- in pp- Collisions at s=1.96 TeV,” Physical Review Letters, vol. 102, no. 24, Article ID 242001, 2009. View at Publisher · View at Google Scholar
  75. S. Chatrchyan, V. Khachatryan, A. M. Sirunyan et al., “Exclusive γγμ+μ- production in proton-proton collisions at s=7 TeV,” Journal of High Energy Physics, vol. 2012, no. 1, article 052, 2012. View at Publisher · View at Google Scholar
  76. S. Chatrchyan, V. Khachatryan, A. M. Sirunyan et al., “Search for exclusive or semi-exclusive γγ production and observation of exclusive and semi-exclusive e+e- production in pp collisions at s=7 TeV,” Journal of High Energy Physics, vol. 2012, artice 80, 2012. View at Publisher · View at Google Scholar
  77. V. M. Abazov, M. J. Wetstein, T. Adams et al., “Search for anomalous quartic WWγγ couplings in dielectron and missing energy final states in pp- collisions at s=1.96 TeV,” Physical Review D, vol. 88, no. 1, Article ID 012005, 2013. View at Publisher · View at Google Scholar
  78. S. Chatrchyan, V. Khachatryan, A. M. Sirunyan et al., “Study of exclusive two-photon production of W+W in pp collisions at s=7 TeV and constraints on anomalous quartic gauge couplings,” Journal of High Energy Physics, vol. 2013, no. 7, article 116, 2013. View at Publisher · View at Google Scholar
  79. S. C. İnan, “Exclusive excited leptons search in two lepton final states at the CERN LHC,” Physical Review D, vol. 81, no. 11, Article ID 115002, 7 pages, 2010. View at Publisher · View at Google Scholar
  80. S. C. Inan, “Dimension-six anomalous tqγ couplings in γγ collision at the LHC,” Nuclear Physics B, vol. 897, pp. 289–301, 2015. View at Publisher · View at Google Scholar
  81. S. C. İnan, “Fourth generation leptons search in γγl-l+ process at the CERN-LHC,” International Journal of Modern Physics A, vol. 26, no. 21, pp. 3605–3613, 2011. View at Publisher · View at Google Scholar
  82. I. Sahin and S. C. Inan, “Probe of unparticles at the LHC in exclusive two lepton and two photon production via photon-photon fusion,” Journal of High Energy Physics, vol. 2009, article 9, 2009. View at Publisher · View at Google Scholar
  83. S. Atağ, S. C. İnan, and İ. Șahin, “Extra dimensions in γγγγ process at the CERN-LHC,” Journal of High Energy Physics, vol. 2010, article 42, 2010. View at Publisher · View at Google Scholar
  84. I. Sahin and B. Sahin, “Anomalous quartic ZZγγ couplings in γp collision at the LHC,” Physical Review D, vol. 86, no. 11, Article ID 115001, 2012. View at Publisher · View at Google Scholar
  85. B. Sahin and A. A. Billur, “Anomalous Wtb couplings in γp collision at the LHC,” Physical Review D, vol. 86, no. 7, Article ID 074026, 2012. View at Publisher · View at Google Scholar
  86. A. Senol, “Anomalous quartic WWγγ and ZZγγ couplings in γp collision at the LHC,” International Journal of Modern Physics A, vol. 29, no. 26, Article ID 1450148, 10 pages, 2014. View at Publisher · View at Google Scholar
  87. A. Senol, “ZZγ and Zγγ anomalous coupling in γp collision at the LHC,” Physical Review D, vol. 87, Article ID 073003, 2013. View at Google Scholar
  88. S. Fichet, G. von Gersdorff, B. Lenzi, C. Royon, and M. Saimpert, “Light-by-light scattering with intact protons at the LHC: from Standard model to New Physics,” Journal of High Energy Physics, vol. 1502, p. 165, 2015. View at Google Scholar
  89. H. Sun, “Dark matter searches in jet plus missing energy events in γp collisions at the CERN LHC,” Physical Review D, vol. 90, no. 3, Article ID 035018, 12 pages, 2014. View at Publisher · View at Google Scholar
  90. H. Sun, “Probe anomalous tqγ couplings through single top photoproduction at the LHC,” Nuclear Physics B, vol. 886, pp. 691–711, 2014. View at Publisher · View at Google Scholar
  91. H. Sun, Y. J. Zhou, and H. S. Hou, “NLO QCD corrections to Single Top and W associated photoproduction at the LHC with forward detector acceptances,” Journal of High Energy Physics, vol. 2015, no. 2, article 64, 2015. View at Publisher · View at Google Scholar
  92. A. Senol and M. Koksal, “Probe of anomalous quartic WWZγ couplings in photon-photon collisions,” Journal of High Energy Physics, vol. 1503, p. 139, 2015. View at Google Scholar
  93. S. Atağ and A. A. Billur, “Possibility of determining τ lepton electromagnetic moments in γγτ+τ- process at the CERN-LHC,” Journal of High Energy Physics, vol. 2010, no. 11, article 060, 2010. View at Publisher · View at Google Scholar
  94. A. Belyaev, N. D. Christensen, and A. Pukhov, “CalcHEP 3.4 for collider physics within and beyond the Standard Model,” Computer Physics Communications, vol. 184, no. 7, pp. 1729–1769, 2013. View at Publisher · View at Google Scholar
  95. G. Aad, B. Abbott, J. Abdallah et al., “Measurement of the t-channel single top-quark production cross section in pp collisions at with the ATLAS detector,” Physics Letters B, vol. 717, no. 4, pp. 330–350, 2012. View at Publisher · View at Google Scholar
  96. G. Abbiendi, C. Ainsleye, P. F. Åkesson et al., “Search for single top quark production at LEP2,” Physics Letters B, vol. 521, no. 3-4, pp. 181–194, 2001. View at Publisher · View at Google Scholar
  97. M. Martinez and R. Miquel, “Multiparameter fits to the t anti-t threshold observables at a future e+e- collider,” The European Physical Journal, vol. 27, no. 1, pp. 49–55, 2003. View at Publisher · View at Google Scholar
  98. A. Juste, M. Martinez, and D. Schulte, “Top threshold studies,” in Proceedings of the Joint ECFA/DESY Study: Physics and Detectors Conference, R. Settles, Ed., vol. C96-11-20, pp. 19–30, 1997.