Inclusive production of D*± mesons in photon-photon collisions at √see = 183 and 189 GeV and a first measurement of Fγ2,c

European Physical Journal C

Volumn 16, Issue 4, 2000, Pages 579-596

  Abbiendi, G ^b   Ackerstaff, K ^g   Akesson, P F ^c   Alexander, G ^u   Allison, J ^o   Anderson, K J ^h   Arcelli, S ^p   Asai, S ^v,w   Ashby, S F ^a   Axen, D ^ab   Azuelos, G ^q,ag   Bailey, I ^aa   Ball, A H ^g   Barberio, E ^g   Barillari, T ^b   Barlow, R J ^o   Batley, J R ^e   Baumann, S ^c   Behnke, T ^z   Bell, K W ^s   Bella, G ^u   Bellerive, A ^h   Bentvelsen, S ^g   Bethke, S ^m,an   Betts, S ⁿ   Biebel, O ^m,an   Biguzzi, A ^e   Bloodworth, I J ^a   Bock, P ^j   Bohme J ^m,am   Boeriu, O ⁱ   Bonacorsi, D ^b   Boutemeur, M ^af   Braibant, S ^g   Bright Thomas, P ^a   Brigliadori, L ^b   Brown, R M ^s   Burckhart, H J ^g   Capiluppi, P ^b   Carnegie, R K ^f   Carter, A A ^l   Carter, J R ^e   Chang, C Y ^p   Charlton, D G ^a,ah   Chrisman, D ^d   Ciocca, C ^b   Clarke, P E L ⁿ   Clay, E ⁿ   Cohen, I ^u   Conboy, J E ⁿ   Cooke, O C ^g   Couchman, J ⁿ   Couyoumtzelis, C ^l   Coxe, R L ^h   Cuffiani, M ^b   Dado, S ^t   Dallavalle, G M ^b   Dallison, S ^o   Davis, R ^ac   de Roeck, A ^g   Dervan, P ⁿ   Desch, K ^z   Dienes, B ^ae,am   Dixit, M S ^f   Donkers, M ^f   Dubbert, J ^af   Duchovni, E ^y   Duckeck, G ^af   Duerdoth, I P ^o   Estabrooks, P G ^f   Etzion, E ^u   Fabbri, F ^b   Fanfani, A ^b   Fanti, M ^b   Faust, A A ^ac   Feld, L ⁱ   Ferrari, P ^k   Fiedler, F ^z   Fierro, M ^b   Fleck, I ⁱ   Frey, A ^g   Furtjes A ^g   Futyan, D I ^o   Gagnon, P ^k   Gary, J W ^d   Gaycken, G ^z   Geich Gimbel, C ^c   Giacomelli, G ^b   Giacomelli, P ^b   Gingrich, D M ^ac,ag   Glenzinski, D ^h   Goldberg, J ^t   Gorn, W ^d   Grandi, C ^b   Graham, K ^aa   Gross, E ^y   Grunhaus, J ^u   Gruwe M ^z   Hansroul, M ^g   Hapke, M ^l   Harder, K ^z   Harel, A ^t   Hargrove, C K ^f   Harin Dirac, M ^d   Hauschild, M ^g   Hawkes, C M ^a   Hawkings, R ^z   Hemingway, R J ^f   Herten, G ⁱ   Heuer, R D ^z   Hildreth, M D ^g   Hill, J C ^e   Hobson, P R ^x   Hocker, A ^h   Hoffman, K ^g   Homer, R J ^a   Honma, A K ^g   Horvath D ^ad,ae   Hossain, K R ^ac   Howard, R ^ab   Huntemeyer P ^z   Igo Kemenes, P ^j   Imrie, D C ^x   Ishii, K ^v,w   Jacob, F R ^s   Jawahery, A ^p   Jeremie, H ^q   Jimack, M ^a   Jones, C R ^e   Jovanovic, P ^a   Junk, T R ^f   Kanaya, N ^v,w   Kanzaki, J ^v,w   Karapetian, G ^q   Karlen, D ^f   Kartvelishvili, V ^o   Kawagoe, K ^v,w   Kawamoto, T ^v,w   Kayal, P I ^ac   Keeler, R K ^aa   Kellogg, R G ^p   Kennedy, B W ^s   Kim, D H ^r   Klier, A ^y   Kobayashi, T ^v,w   Kobel, M ^c   Kokott, T P ^c   Kolrep, M ⁱ   Komamiya, S ^v,w   Kowalewski, R V ^aa   Kress, T ^d   Krieger, P ^f   von Krogh, J ^j   Kuhl, T ^c   Kupper, M ^y   Kyberd, P ^l   Lafferty, G D ^o   Landsman, H ^t   Lanske, D ^m   Lauber, J ⁿ   Lawson, I ^aa   Layter, J G ^d   Lellouch, D ^y   Letts, J ^k   Levinson, L ^y   Liebisch, R ^j   Lillich, J ⁱ   List, B ^g   Littlewood, C ^e   Lloyd, A W ^a   Lloyd, S L ^l   Loebinger, F K ^o   Long, G D ^aa   Losty, M J ^f   Lu, J ^ab   Ludwig, J ⁱ   Macchiolo, A ^q   Macpherson, A ^ac   Mader, W ^c   Mannelli, M ^g   Marcellini, S ^b   Marchant, T E ^o   Martin, A J ^l   Martin, J P ^q   Martinez, G ^p   Mashimo, T ^v,w   Mattig P ^y   McDonald, W J ^ac   McKenna, J ^ab   Mckigney, E A ⁿ   McMahon, T J ^a   McPherson, R A ^aa   Meijers, F ^g   Mendez Lorenzo, P ^af   Merritt, F S ^h   Mes, H ^f   Meyer, I ^e   Michelini, A ^b   Mihara, S ^v,w   Mikenberg, G ^y   Miller, D J ⁿ   Mohr, W ⁱ   Montanari, A ^b   Mori, T ^v,w   Nagai, K ^g   Nakamura, I ^v,w   Neal, H A ^k,ak   Nisius, R ^g   O'Neale, S W ^a   Oakham, F G ^f   Odorici, F ^b   Ogren, H O ^k   Okpara, A ^j   Oreglia, M J ^h   Orito, S ^v,w   Pasztor G ^ad   Pater, J R ^o   Patrick, G N ^s   Patt, J ⁱ   Perez Ochoa, R ^g   Petzold, S ^z   Pfeifenschneider, P ^m   Pilcher, J E ^h   Pinfold, J ^ac   Plane, D E ^g   Poli, B ^b   Polok, J ^g   Przybycien M ^g,ai   Quadt, A ^g   Rembser, C ^g   Rick, H ^g   Robins, S A ^t   Rodning, N ^ac   Roney, J M ^aa   Rosati, S ^c   Roscoe, K ^o   Rossi, A M ^b   Rozen, Y ^t   Runge, K ⁱ   Runolfsson, O ^g   Rust, D R ^k   Sachs, K ⁱ   Saeki, T ^v,w   Sahr, O ^af   Sang, W M ^x   Sarkisyan, E K G ^u   Sbarra, C ^aa   Schaile, A D ^af   Schaile, O ^af   Scharff Hansen, P ^g   Schieck, J ^j   Schmitt, S ^j   Schoning A ^g   Schroder M ^g   Schumacher, M ^c   Schwick, C ^g   Scott, W G ^s   Seuster, R ^m,am   Shears, T G ^g   Shen, B C ^d   Shepherd Themistocleous, C H ^e   Sherwood, P ⁿ   Siroli, G P ^b   Skuja, A ^p   Smith, A M ^g   Snow, G A ^p   Sobie, R ^aa   Soldner Rembold, S ^i,aj   Spagnolo, S ^s   Sproston, M ^s   Stahl, A ^c   Stephens, K ^o   Stoll, K ⁱ   Strom, D ^r   Strohmer R ^af   Surrow, B ^g   Talbot, S D ^a   Taras, P ^q   Tarem, S ^t   Teuscher, R ^h   Thiergen, M ⁱ   Thomas, J ⁿ   Thomson, M A ^g   Torrence, E ^g   Towers, S ^f   Trefzger, T ^af   Trigger, I ^q   Trocsanyi Z ^ae,al   Tsur, E ^u   Turner Watson, M F ^a   Ueda, I ^v,w   VanKooten, R ^k   Vannerem, P ⁱ   Verzocchi, M ^g   Voss, H ^c   Wackerle F ⁱ   Waller, D ^f   Ward, C P ^e   Ward, D R ^e   Watkins, P M ^a   Watson, A T ^a   Watson, N K ^a   Wells, P S ^g   Wengler, T ^g   Wermes, N ^c   Wilson, G W ^o   Wilson, J A ^a   Wyatt, T R ^o   Yamashita, S ^v,w   Zacek, V ^q   Zer Zion, D ^g   more..

^a UNIVERSITY OF BIRMINGHAM   (United Kingdom)

^b UNIVERSITY OF BOLOGNA   (Italy)

^c UNIVERSITY OF BONN   (Germany)

^d UNIVERSITY OF CALIFORNIA   (United States)

^e UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^f CARLETON UNIVERSITY   (Canada)

^g CERN   (Switzerland)

^h UNIVERSITY OF CHICAGO   (United States)

ⁱ UNIVERSITY OF FREIBURG   (Germany)

^j UNIVERSITY OF HEIDELBERG   (Germany)

^k INDIANA UNIVERSITY   (United States)

^l QUEEN MARY UNIVERSITY OF LONDON   (United Kingdom)

^m RWTH AACHEN UNIVERSITY   (Germany)

ⁿ UNIVERSITY COLLEGE LONDON   (United Kingdom)

^o UNIVERSITY OF MANCHESTER   (United Kingdom)

^p Bldg 142   (United States)

^q UNIVERSITÉ DE MONTRÉAL   (Canada)

^r UNIVERSITY OF OREGON   (United States)

^s RUTHERFORD APPLETON LABORATORY   (United Kingdom)

^t TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

^u TEL AVIV UNIVERSITY   (Israel)

^v UNIVERSITY OF TOKYO   (Japan)

^w KOBE UNIVERSITY   (Japan)

^x BRUNEL UNIVERSITY   (United Kingdom)

^y WEIZMANN INSTITUTE OF SCIENCE   (Israel)

^z UNIVERSITY OF HAMBURG   (Germany)

^aa UNIVERSITY OF VICTORIA   (Canada)

^ab UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^ac UNIVERSITY OF ALBERTA   (Canada)

^ad WIGNER RESEARCH CENTRE FOR PHYSICS   (Hungary)

^ae INSTITUTE OF NUCLEAR RESEARCH ATOMKI   (Hungary)

^af UNIVERSITY OF MUNICH   (Germany)

^ag TRIUMF   (Canada)

^ah Royal Society University Research Fellow   (United Kingdom)

^ai AGH UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Poland)

^aj Heisenberg Fellow   (Germany)

^ak Yale University   (United States)

^al UNIVERSITY OF DEBRECEN   (Hungary)

^am MPI Munchen   (Germany)

^an MAX PLANCK INSTITUT FÜR PHYSIK   (Germany)

more..

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001726745     PISSN: 14346044     EISSN: None     Source Type: Journal    
DOI: 10.1007/s100520000420     Document Type: Article

References (65)

1. M. Cacciari, M. Greco, B.A. Kniehl, M. Krämer, G. Kramer and M. Spira, Nucl. Phys. B466 (1996) 173
2. M. Drees, M. Krämer, J. Zunft and P.M. Zerwas, Phys. Lett. B306 (1993) 371; M. Krämer, private communications
3. M. Drees, M. Krämer, J. Zunft and P.M. Zerwas, Phys. Lett. B306 (1993) 371; M. Krämer, private communications
4. S. Frixione, M. Krämer and E. Laenen, Nucl. Phys. B 571 (2000) 169
5. E. Laeuen, S. Riemersma, J. Smith and W.L. van Neerven, Phys. Rev. D49 (1994) 5753; E. Laenen and S. Riemersma, Phys. Lett. B376 (1996) 169
6. E. Laeuen, S. Riemersma, J. Smith and W.L. van Neerven, Phys. Rev. D49 (1994) 5753; E. Laenen and S. Riemersma, Phys. Lett. B376 (1996) 169
7. JADE Collaboration, W. Bartel et al., Phys. Lett. B184 (1987) 288
8. TASSO Collaboration, W. Braunschweig et al., Z. Phys. C47 (1990) 499
9. TPC/2γ Collaboration, M. Alston-Garnjost et al., Phys. Lett. B252 (1990) 499
10. TOPAZ Collaboration, R. Enomoto et al., Phys. Lett. B328 (1994) 535; R. Enomoto et al., Phys. Rev. D50 (1994) 1879
11. TOPAZ Collaboration, R. Enomoto et al., Phys. Lett. B328 (1994) 535; R. Enomoto et al., Phys. Rev. D50 (1994) 1879
12. AMY Collaboration, N. Takashimizu et al., Phys. Lett. B381 (1996) 372
13. ALEPH Collaboration, D. Buskulic et al., Phys. Lett. B355 (1995) 595
14. L3 Collaboration, M. Acciarri et al., Phys. Lett. B467 (1999) 137
15. OPAL Collaboration, K. Ahmet et al., Nucl. Instr. and Methods A305 (1991) 275; P.P. Allport et al., Nucl. Instr. and Methods A346 (1994) 476; P.P. Allport et al., Nucl. Instr. and Methods A324 (1993) 34; O. Biebel et al., Nucl. Instr. and Methods A323 (1992) 169; M. Hauschild et al., Nucl. Instr. and Methods A314 (1992) 74
16. OPAL Collaboration, K. Ahmet et al., Nucl. Instr. and Methods A305 (1991) 275; P.P. Allport et al., Nucl. Instr. and Methods A346 (1994) 476; P.P. Allport et al., Nucl. Instr. and Methods A324 (1993) 34; O. Biebel et al., Nucl. Instr. and Methods A323 (1992) 169; M. Hauschild et al., Nucl. Instr. and Methods A314 (1992) 74
17. OPAL Collaboration, K. Ahmet et al., Nucl. Instr. and Methods A305 (1991) 275; P.P. Allport et al., Nucl. Instr. and Methods A346 (1994) 476; P.P. Allport et al., Nucl. Instr. and Methods A324 (1993) 34; O. Biebel et al., Nucl. Instr. and Methods A323 (1992) 169; M. Hauschild et al., Nucl. Instr. and Methods A314 (1992) 74
18. OPAL Collaboration, K. Ahmet et al., Nucl. Instr. and Methods A305 (1991) 275; P.P. Allport et al., Nucl. Instr. and Methods A346 (1994) 476; P.P. Allport et al., Nucl. Instr. and Methods A324 (1993) 34; O. Biebel et al., Nucl. Instr. and Methods A323 (1992) 169; M. Hauschild et al., Nucl. Instr. and Methods A314 (1992) 74
19. OPAL Collaboration, K. Ahmet et al., Nucl. Instr. and Methods A305 (1991) 275; P.P. Allport et al., Nucl. Instr. and Methods A346 (1994) 476; P.P. Allport et al., Nucl. Instr. and Methods A324 (1993) 34; O. Biebel et al., Nucl. Instr. and Methods A323 (1992) 169; M. Hauschild et al., Nucl. Instr. and Methods A314 (1992) 74
20. B.E. Anderson et al., IEEE Trans. Nucl. Sci. 41 (1994) 845
21. P. Kessler, Il Nuovo Cimento 17 (1960) 809; C.F. Weizsäcker, Zeit. Phys. 88 (1934) 612; E.J. Williams, Phys. Rev. 45 (1934) 729; E.J. Williams, Proc. Roy. Soc. London A139 (1933) 163
22. P. Kessler, Il Nuovo Cimento 17 (1960) 809; C.F. Weizsäcker, Zeit. Phys. 88 (1934) 612; E.J. Williams, Phys. Rev. 45 (1934) 729; E.J. Williams, Proc. Roy. Soc. London A139 (1933) 163
23. P. Kessler, Il Nuovo Cimento 17 (1960) 809; C.F. Weizsäcker, Zeit. Phys. 88 (1934) 612; E.J. Williams, Phys. Rev. 45 (1934) 729; E.J. Williams, Proc. Roy. Soc. London A139 (1933) 163
24. P. Kessler, Il Nuovo Cimento 17 (1960) 809; C.F. Weizsäcker, Zeit. Phys. 88 (1934) 612; E.J. Williams, Phys. Rev. 45 (1934) 729; E.J. Williams, Proc. Roy. Soc. London A139 (1933) 163
25. C. Berger and W. Wagner, Phys. Rep. 146 (1987) 1
26. T. Sjöstrand, Comp. Phys. Comm. 82 (1994) 74
27. G.A. Schuler and T. Sjöstrand, Z. Phys. C68 (1995) 607
28. C. Peterson, D. Schlatter, I. Schmitt and P.M. Zerwas, Phys. Rev. D27 (1983) 105
29. G. Marchesini et al., Comp. Phys. Comm. 67 (1992) 465
30. J. Smith, J.A.M. Vermaseren and G. Grammer Jr., Phys. Rev. D15 (1977) 3280; J.A.M. Vermaseren, J. Smith and G. Grammer Jr., Phys. Rev. D19 (1979) 137; J.A.M. Vermaseren, Nucl. Phys. B229 (1983) 347; R. Bhattacharya, G. Grammer Jr. and J. Smith, Phys. Rev. D15 (1977) 3267
31. J. Smith, J.A.M. Vermaseren and G. Grammer Jr., Phys. Rev. D15 (1977) 3280; J.A.M. Vermaseren, J. Smith and G. Grammer Jr., Phys. Rev. D19 (1979) 137; J.A.M. Vermaseren, Nucl. Phys. B229 (1983) 347; R. Bhattacharya, G. Grammer Jr. and J. Smith, Phys. Rev. D15 (1977) 3267
32. J. Smith, J.A.M. Vermaseren and G. Grammer Jr., Phys. Rev. D15 (1977) 3280; J.A.M. Vermaseren, J. Smith and G. Grammer Jr., Phys. Rev. D19 (1979) 137; J.A.M. Vermaseren, Nucl. Phys. B229 (1983) 347; R. Bhattacharya, G. Grammer Jr. and J. Smith, Phys. Rev. D15 (1977) 3267
33. J. Smith, J.A.M. Vermaseren and G. Grammer Jr., Phys. Rev. D15 (1977) 3280; J.A.M. Vermaseren, J. Smith and G. Grammer Jr., Phys. Rev. D19 (1979) 137; J.A.M. Vermaseren, Nucl. Phys. B229 (1983) 347; R. Bhattacharya, G. Grammer Jr. and J. Smith, Phys. Rev. D15 (1977) 3267
34. M. Glück, E. Reya and A. Vogt, Phys. Rev. D46 (1992) 1973; M. Glück, E. Reya and A. Vogt, Phys. Rev. D45 (1992) 3986
35. M. Glück, E. Reya and A. Vogt, Phys. Rev. D46 (1992) 1973; M. Glück, E. Reya and A. Vogt, Phys. Rev. D45 (1992) 3986
36. J. Fujimoto et al., Comp. Phys. Comm. 100 (1997) 128
37. J. Allison et al., Nucl. Instr. and Methods. A317 (1992) 47
38. OPAL Collaboration, G. Alexander et al., Phys. Lett. B377 (1996) 181
39. OPAL Collaboration, G. Alexander et al., Phys. Lett. B262 (1991) 341; OPAL Collaboration, R. Akers et al., Z. Phys. C60 (1993) 601
40. OPAL Collaboration, G. Alexander et al., Phys. Lett. B262 (1991) 341; OPAL Collaboration, R. Akers et al., Z. Phys. C60 (1993) 601
41. C. Caso et al., Review of Particle Physics, Euro. Phys. J. C3 (1998) 1
42. OPAL Collaboration, G. Abbiendi et al., Euro. Phys. J. C10 (1999) 547
43. G.D. Lafferty and T.R. Wyatt, Nucl. Instr. and Methods A355 (1995) 541
44. J. Binnewies, B.A. Kniehl and G. Kramer, Phys. Rev. D58 (1998) 014014; J. Binnewies, B.A. Kniehl and G. Kramer, Phys. Rev. D53 (1996) 6110
45. J. Binnewies, B.A. Kniehl and G. Kramer, Phys. Rev. D58 (1998) 014014; J. Binnewies, B.A. Kniehl and G. Kramer, Phys. Rev. D53 (1996) 6110
46. OPAL Collaboration, K. Ackerstaff et al., Euro. Phys. J. C1 (1998) 439
47. M. Glück, E. Reya and I. Schienbein, Phys. Rev. D60 (1999) 054019
48. P. Aurenche, J.P. Guillet and M. Fontannaz, Z. Phys. C64 (1994) 621
49. L.E. Gordon and J.K. Storrow, Nucl. Phys. B489 (1997) 405
50. OPAL Collaboration, G. Abbiendi et al., Euro. Phys. J. C13 (2000) 1
51. H. Abramowicz, K. Charchula and A. Levy, Phys. Lett. B269 (1991) 458
52. L. Gladilin, Charm Hadron Production Fractions, hep-ex/9912064 (1999)
53. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
54. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
55. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
56. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
57. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
58. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
59. ARGUS Collaboration, H. Albrecht et al., Z. Phys. C52 (1991) 353; ARGUS Collaboration, H. Albrecht et al., Z. Phys. C54 (1992) 1; CLEO Collaboration, D. Bortoletto et al., Phys. Rev. D37 (1988) 1719; OPAL Collaboration, K. Ackerstaff et al., Eur. Phys. J. C1 (1998) 439; OPAL Collaboration, G. Alexander et al., Z. Phys. C72 (1996) 1; ALEPH Collaboration, R. Barate et al., Study of Charm Production in Z Decays, hep-ex/9909032, submitted to Eur. Phys. J. C (1999); DELPHI Collaboration, P. Abreu et al., Eur. Phys. J. C12 (2000) 209
60. B. Andersson, G. Gustafson and B. Söderberg, Z. Phys. C20 (1983) 317; M.G. Bowler, Z. Phys. C11 (1981) 169; D.A. Morris, Nucl. Phys. B313 (1989) 634
61. B. Andersson, G. Gustafson and B. Söderberg, Z. Phys. C20 (1983) 317; M.G. Bowler, Z. Phys. C11 (1981) 169; D.A. Morris, Nucl. Phys. B313 (1989) 634
62. B. Andersson, G. Gustafson and B. Söderberg, Z. Phys. C20 (1983) 317; M.G. Bowler, Z. Phys. C11 (1981) 169; D.A. Morris, Nucl. Phys. B313 (1989) 634
63. OPAL Collaboration, R. Akers et al., Z. Phys. C67 (1995) 27
64. G. Altarelli, T. Sjöstrand and F. Zwirner, Physics at LEP2, CERN 96-01 (1996)
65. L3 Collaboration, M. Acciarri et al., Phys. Lett. B453 (1999) 83