A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations

G. Abbiendi, K. Ackerstaff, G. Alexander, J. Allison, N. Altekamp, K. J. Anderson, S. Anderson, S. Arcelli, S. Asai, S. F. Ashby, D. Axen, G. Azuelos, A. H. Ball, E. Barberio, R. J. Barlow, R. Bartoldus, J. R. Batley, S. Baumann, J. Bechtluft, T. BehnkeK. W. Bell, G. Bella, A. Bellerive, S. Bentvelsen, S. Bethke, S. Betts, O. Biebel, A. Biguzzi, S. D. Bird, V. Blobel, I. J. Bloodworth, M. Bobinski, P. Bock, J. Böhme, D. Bonacorsi, M. Boutemeur, S. Braibant, P. Bright-Thomas, L. Brigliadori, R. M. Brown, H. J. Burckhart, C. Burgard, R. Bürgin, P. Capiluppi, R. K. Carnegie, A. A. Carter, J. R. Carter, C. Y. Chang, D. G. Charlton, D. Chrisman, C. Ciocca, P. E L Clarke, E. Clay, I. Cohen, J. E. Conboy, O. C. Cooke, C. Couyoumtzelis, R. L. Coxe, M. Cuffiani, S. Dado, G. M. Dallavalle, R. Davis, S. De Jong, L. A. del Pozo, A. de Roeck, K. Desch, B. Dienes, M. S. Dixit, J. Dubbert, E. Duchovni, G. Duckeck, I. P. Duerdoth, D. Eatough, P. G. Estabrooks, E. Etzion, H. G. Evans, F. Fabbri, M. Fanti, A. A. Faust, F. Fiedler, M. Fierro, I. Fleck, R. Folman, A. Fürtjes, D. I. Futyan, P. Gagnon, J. W. Gary, J. Gascon, S. M. Gascon-Shotkin, G. Gaycken, C. Geich-Gimbel, G. Giacomelli, P. Giacomelli, V. Gibson, W. R. Gibson, D. M. Gingrich, D. Glenzinski, J. Goldberg, W. Gorn, C. Grandi, E. Gross, J. Grunhaus, M. Gruwé, G. G. Hanson, M. Hansroul, M. Hapke, K. Harder, C. K. Hargrove, C. Hartmann, M. Hauschild, C. M. Hawkes, R. Hawkings, R. J. Hemingway, M. Herndon, G. Herten, R. D. Heuer, M. D. Hildreth, J. C. Hill, S. J. Hillier, P. R. Hobson, A. Hocker, R. J. Homer, A. K. Honma, D. Horváth, K. R. Hossain, R. Howard, P. Hüntemeyer, P. Igo-Kemenes, D. C. Imrie, K. Ishii, F. R. Jacob, A. Jawahery, H. Jeremie, M. Jimack, C. R. Jones, P. Jovanovic, T. R. Junk, D. Karlen, V. Kartvelishvili, K. Kawagoe, T. Kawamoto, P. I. Kayal, R. K. Keeler, R. G. Kellogg, B. W. Kennedy, A. Klier, S. Kluth, T. Kobayashi, M. Kobel, D. S. Koetke, T. P. Kokott, M. Kolrep, S. Komamiya, R. V. Kowalewski, T. Kress, P. Krieger, J. von Krogh, T. Kuhl, P. Kyberd, G. D. Lafferty, D. Lanske, J. Lauber, S. R. Lautenschlager, I. Lawson, J. G. Layter, D. Lazic, A. M. Lee, D. Lellouch, J. Letts, L. Levinson, R. Liebisch, B. List, C. Littlewood, A. W. Lloyd, S. L. Lloyd, F. K. Loebinger, G. D. Long, M. J. Losty, J. Ludwig, D. Liu, A. Macchiolo, A. Macpherson, W. Mader, M. Mannelli, S. Marcellini, C. Markopoulos, A. J. Martin, J. P. Martin, G. Martinez, T. Mashimo, P. Mättig, W. J. McDonald, J. McKenna, E. A. Mckigney, T. J. McMahon, R. A. McPherson, F. Meijers, S. Menke, F. S. Merritt, H. Mes, J. Meyer, A. Michelini, S. Mihara, G. Mikenberg, D. J. Miller, R. Mir, W. Mohr, A. Montanari, T. Mori, K. Nagai, I. Nakamura, H. A. Neal, B. Nellen, R. Nisius, S. W. O'Neale, F. G. Oakham, F. Odorici, H. O. Ogren, M. J. Oreglia, S. Orito, J. Pálinkás, G. Pásztor, J. R. Pater, G. N. Patrick, J. Patt, R. Perez-Ochoa, S. Petzold, P. Pfeifenschneider, J. E. Pilcher, J. Pinfold, D. E. Plane, P. Poffenberger, J. Polok, M. Przybycień, C. Rembser, H. Rick, S. Robertson, S. A. Robins, N. Rodning, J. M. Roney, K. Roscoe, A. M. Rossi, Y. Rozen, K. Runge, O. Runolfsson, D. R. Rust, K. Sachs, T. Saeki, O. Sahr, W. M. Sang, E. K G Sarkisyan, C. Sbarra, A. D. Schaile, O. Schaile, F. Scharf, P. Scharff-Hansen, J. Schieck, B. Schmitt, S. Schmitt, R. E. Schmitz, A. Schöning, M. Schröder, M. Schumacher, C. Schwick, W. G. Scott, R. Seuster, T. G. Shears, B. C. Shen, C. H. Shepherd-Themistocleous, P. Sherwood, G. P. Siroli, A. Sittler, A. Skuja, A. M. Smith, G. A. Snow, R. Sobie, S. Söldner-Rembold, M. Sproston, A. Stahl, K. Stephens, J. Steuerer, K. Stoll, D. Strom, R. Ströhmer, B. Surrow, S. D. Talbot, S. Tanaka, P. Taras, S. Tarem, R. Teuscher, M. Thiergen, M. A. Thomson, E. von Törne, E. Torrence, S. Towers, I. Trigger, Z. Trócsányi, E. Tsur, A. S. Turcot, M. F. Turner-Watson, R. Van Kooten, P. Vannerem, M. Verzocchi, H. Voss, F. Wöckerle, A. Wagner, C. P. Ward, D. R. Ward, P. M. Watkins, A. T. Watson, N. K. Watson, P. S. Wells, N. Wermes, J. S. White, G. W. Wilson, J. A. Wilson, T. R. Wyatt, S. Yamashita, G. Yekutieli, V. Zacek, D. Zer-Zion

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The correlated production of Λ and Λ̄ baryons has been studied using 4.3 million multihadronic Z° decays recorded with the OPAL detector at LEP. Lambda pairs were investigated in the full data sample and for the first time also in 2-jet and 3-jet events selected with the k algorithm. The distributions of rapidity differences from correlated ΛΛ̄ pairs exhibit short-range, local correlations and prove to be a sensitive tool to test models, particularly for 2-jet events. The JETSET model describes the data best but some extra parameter tuning is needed to improve agreement with the experimental results in the rates and the rapidity spectra simultaneously. The recently developed modification of JETSET, the MOdified Popcorn Scenarium (MOPS), and also HERWIG do not give satisfactory results. This study of di-lambda production in 2- and 3-jet events supports the short-range compensation of quantum numbers.

Original languageEnglish
Pages (from-to)185-195
Number of pages11
JournalEuropean Physical Journal C
Volume13
Issue number3
Publication statusPublished - 2000

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partons
fragmentation
decay
quantum numbers
baryons
tuning
detectors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Abbiendi, G., Ackerstaff, K., Alexander, G., Allison, J., Altekamp, N., Anderson, K. J., ... Zer-Zion, D. (2000). A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations. European Physical Journal C, 13(3), 185-195.

A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations. / Abbiendi, G.; Ackerstaff, K.; Alexander, G.; Allison, J.; Altekamp, N.; Anderson, K. J.; Anderson, S.; Arcelli, S.; Asai, S.; Ashby, S. F.; Axen, D.; Azuelos, G.; Ball, A. H.; Barberio, E.; Barlow, R. J.; Bartoldus, R.; Batley, J. R.; Baumann, S.; Bechtluft, J.; Behnke, T.; Bell, K. W.; Bella, G.; Bellerive, A.; Bentvelsen, S.; Bethke, S.; Betts, S.; Biebel, O.; Biguzzi, A.; Bird, S. D.; Blobel, V.; Bloodworth, I. J.; Bobinski, M.; Bock, P.; Böhme, J.; Bonacorsi, D.; Boutemeur, M.; Braibant, S.; Bright-Thomas, P.; Brigliadori, L.; Brown, R. M.; Burckhart, H. J.; Burgard, C.; Bürgin, R.; Capiluppi, P.; Carnegie, R. K.; Carter, A. A.; Carter, J. R.; Chang, C. Y.; Charlton, D. G.; Chrisman, D.; Ciocca, C.; Clarke, P. E L; Clay, E.; Cohen, I.; Conboy, J. E.; Cooke, O. C.; Couyoumtzelis, C.; Coxe, R. L.; Cuffiani, M.; Dado, S.; Dallavalle, G. M.; Davis, R.; De Jong, S.; del Pozo, L. A.; de Roeck, A.; Desch, K.; Dienes, B.; Dixit, M. S.; Dubbert, J.; Duchovni, E.; Duckeck, G.; Duerdoth, I. P.; Eatough, D.; Estabrooks, P. G.; Etzion, E.; Evans, H. G.; Fabbri, F.; Fanti, M.; Faust, A. A.; Fiedler, F.; Fierro, M.; Fleck, I.; Folman, R.; Fürtjes, A.; Futyan, D. I.; Gagnon, P.; Gary, J. W.; Gascon, J.; Gascon-Shotkin, S. M.; Gaycken, G.; Geich-Gimbel, C.; Giacomelli, G.; Giacomelli, P.; Gibson, V.; Gibson, W. R.; Gingrich, D. M.; Glenzinski, D.; Goldberg, J.; Gorn, W.; Grandi, C.; Gross, E.; Grunhaus, J.; Gruwé, M.; Hanson, G. G.; Hansroul, M.; Hapke, M.; Harder, K.; Hargrove, C. K.; Hartmann, C.; Hauschild, M.; Hawkes, C. M.; Hawkings, R.; Hemingway, R. J.; Herndon, M.; Herten, G.; Heuer, R. D.; Hildreth, M. D.; Hill, J. C.; Hillier, S. J.; Hobson, P. R.; Hocker, A.; Homer, R. J.; Honma, A. K.; Horváth, D.; Hossain, K. R.; Howard, R.; Hüntemeyer, P.; Igo-Kemenes, P.; Imrie, D. C.; Ishii, K.; Jacob, F. R.; Jawahery, A.; Jeremie, H.; Jimack, M.; Jones, C. R.; Jovanovic, P.; Junk, T. R.; Karlen, D.; Kartvelishvili, V.; Kawagoe, K.; Kawamoto, T.; Kayal, P. I.; Keeler, R. K.; Kellogg, R. G.; Kennedy, B. W.; Klier, A.; Kluth, S.; Kobayashi, T.; Kobel, M.; Koetke, D. S.; Kokott, T. P.; Kolrep, M.; Komamiya, S.; Kowalewski, R. V.; Kress, T.; Krieger, P.; von Krogh, J.; Kuhl, T.; Kyberd, P.; Lafferty, G. D.; Lanske, D.; Lauber, J.; Lautenschlager, S. R.; Lawson, I.; Layter, J. G.; Lazic, D.; Lee, A. M.; Lellouch, D.; Letts, J.; Levinson, L.; Liebisch, R.; List, B.; Littlewood, C.; Lloyd, A. W.; Lloyd, S. L.; Loebinger, F. K.; Long, G. D.; Losty, M. J.; Ludwig, J.; Liu, D.; Macchiolo, A.; Macpherson, A.; Mader, W.; Mannelli, M.; Marcellini, S.; Markopoulos, C.; Martin, A. J.; Martin, J. P.; Martinez, G.; Mashimo, T.; Mättig, P.; McDonald, W. J.; McKenna, J.; Mckigney, E. A.; McMahon, T. J.; McPherson, R. A.; Meijers, F.; Menke, S.; Merritt, F. S.; Mes, H.; Meyer, J.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D. J.; Mir, R.; Mohr, W.; Montanari, A.; Mori, T.; Nagai, K.; Nakamura, I.; Neal, H. A.; Nellen, B.; Nisius, R.; O'Neale, S. W.; Oakham, F. G.; Odorici, F.; Ogren, H. O.; Oreglia, M. J.; Orito, S.; Pálinkás, J.; Pásztor, G.; Pater, J. R.; Patrick, G. N.; Patt, J.; Perez-Ochoa, R.; Petzold, S.; Pfeifenschneider, P.; Pilcher, J. E.; Pinfold, J.; Plane, D. E.; Poffenberger, P.; Polok, J.; Przybycień, M.; Rembser, C.; Rick, H.; Robertson, S.; Robins, S. A.; Rodning, N.; Roney, J. M.; Roscoe, K.; Rossi, A. M.; Rozen, Y.; Runge, K.; Runolfsson, O.; Rust, D. R.; Sachs, K.; Saeki, T.; Sahr, O.; Sang, W. M.; Sarkisyan, E. K G; Sbarra, C.; Schaile, A. D.; Schaile, O.; Scharf, F.; Scharff-Hansen, P.; Schieck, J.; Schmitt, B.; Schmitt, S.; Schmitz, R. E.; Schöning, A.; Schröder, M.; Schumacher, M.; Schwick, C.; Scott, W. G.; Seuster, R.; Shears, T. G.; Shen, B. C.; Shepherd-Themistocleous, C. H.; Sherwood, P.; Siroli, G. P.; Sittler, A.; Skuja, A.; Smith, A. M.; Snow, G. A.; Sobie, R.; Söldner-Rembold, S.; Sproston, M.; Stahl, A.; Stephens, K.; Steuerer, J.; Stoll, K.; Strom, D.; Ströhmer, R.; Surrow, B.; Talbot, S. D.; Tanaka, S.; Taras, P.; Tarem, S.; Teuscher, R.; Thiergen, M.; Thomson, M. A.; von Törne, E.; Torrence, E.; Towers, S.; Trigger, I.; Trócsányi, Z.; Tsur, E.; Turcot, A. S.; Turner-Watson, M. F.; Van Kooten, R.; Vannerem, P.; Verzocchi, M.; Voss, H.; Wöckerle, F.; Wagner, A.; Ward, C. P.; Ward, D. R.; Watkins, P. M.; Watson, A. T.; Watson, N. K.; Wells, P. S.; Wermes, N.; White, J. S.; Wilson, G. W.; Wilson, J. A.; Wyatt, T. R.; Yamashita, S.; Yekutieli, G.; Zacek, V.; Zer-Zion, D.

In: European Physical Journal C, Vol. 13, No. 3, 2000, p. 185-195.

Research output: Contribution to journalArticle

Abbiendi, G, Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, Anderson, KJ, Anderson, S, Arcelli, S, Asai, S, Ashby, SF, Axen, D, Azuelos, G, Ball, AH, Barberio, E, Barlow, RJ, Bartoldus, R, Batley, JR, Baumann, S, Bechtluft, J, Behnke, T, Bell, KW, Bella, G, Bellerive, A, Bentvelsen, S, Bethke, S, Betts, S, Biebel, O, Biguzzi, A, Bird, SD, Blobel, V, Bloodworth, IJ, Bobinski, M, Bock, P, Böhme, J, Bonacorsi, D, Boutemeur, M, Braibant, S, Bright-Thomas, P, Brigliadori, L, Brown, RM, Burckhart, HJ, Burgard, C, Bürgin, R, Capiluppi, P, Carnegie, RK, Carter, AA, Carter, JR, Chang, CY, Charlton, DG, Chrisman, D, Ciocca, C, Clarke, PEL, Clay, E, Cohen, I, Conboy, JE, Cooke, OC, Couyoumtzelis, C, Coxe, RL, Cuffiani, M, Dado, S, Dallavalle, GM, Davis, R, De Jong, S, del Pozo, LA, de Roeck, A, Desch, K, Dienes, B, Dixit, MS, Dubbert, J, Duchovni, E, Duckeck, G, Duerdoth, IP, Eatough, D, Estabrooks, PG, Etzion, E, Evans, HG, Fabbri, F, Fanti, M, Faust, AA, Fiedler, F, Fierro, M, Fleck, I, Folman, R, Fürtjes, A, Futyan, DI, Gagnon, P, Gary, JW, Gascon, J, Gascon-Shotkin, SM, Gaycken, G, Geich-Gimbel, C, Giacomelli, G, Giacomelli, P, Gibson, V, Gibson, WR, Gingrich, DM, Glenzinski, D, Goldberg, J, Gorn, W, Grandi, C, Gross, E, Grunhaus, J, Gruwé, M, Hanson, GG, Hansroul, M, Hapke, M, Harder, K, Hargrove, CK, Hartmann, C, Hauschild, M, Hawkes, CM, Hawkings, R, Hemingway, RJ, Herndon, M, Herten, G, Heuer, RD, Hildreth, MD, Hill, JC, Hillier, SJ, Hobson, PR, Hocker, A, Homer, RJ, Honma, AK, Horváth, D, Hossain, KR, Howard, R, Hüntemeyer, P, Igo-Kemenes, P, Imrie, DC, Ishii, K, Jacob, FR, Jawahery, A, Jeremie, H, Jimack, M, Jones, CR, Jovanovic, P, Junk, TR, Karlen, D, Kartvelishvili, V, Kawagoe, K, Kawamoto, T, Kayal, PI, Keeler, RK, Kellogg, RG, Kennedy, BW, Klier, A, Kluth, S, Kobayashi, T, Kobel, M, Koetke, DS, Kokott, TP, Kolrep, M, Komamiya, S, Kowalewski, RV, Kress, T, Krieger, P, von Krogh, J, Kuhl, T, Kyberd, P, Lafferty, GD, Lanske, D, Lauber, J, Lautenschlager, SR, Lawson, I, Layter, JG, Lazic, D, Lee, AM, Lellouch, D, Letts, J, Levinson, L, Liebisch, R, List, B, Littlewood, C, Lloyd, AW, Lloyd, SL, Loebinger, FK, Long, GD, Losty, MJ, Ludwig, J, Liu, D, Macchiolo, A, Macpherson, A, Mader, W, Mannelli, M, Marcellini, S, Markopoulos, C, Martin, AJ, Martin, JP, Martinez, G, Mashimo, T, Mättig, P, McDonald, WJ, McKenna, J, Mckigney, EA, McMahon, TJ, McPherson, RA, Meijers, F, Menke, S, Merritt, FS, Mes, H, Meyer, J, Michelini, A, Mihara, S, Mikenberg, G, Miller, DJ, Mir, R, Mohr, W, Montanari, A, Mori, T, Nagai, K, Nakamura, I, Neal, HA, Nellen, B, Nisius, R, O'Neale, SW, Oakham, FG, Odorici, F, Ogren, HO, Oreglia, MJ, Orito, S, Pálinkás, J, Pásztor, G, Pater, JR, Patrick, GN, Patt, J, Perez-Ochoa, R, Petzold, S, Pfeifenschneider, P, Pilcher, JE, Pinfold, J, Plane, DE, Poffenberger, P, Polok, J, Przybycień, M, Rembser, C, Rick, H, Robertson, S, Robins, SA, Rodning, N, Roney, JM, Roscoe, K, Rossi, AM, Rozen, Y, Runge, K, Runolfsson, O, Rust, DR, Sachs, K, Saeki, T, Sahr, O, Sang, WM, Sarkisyan, EKG, Sbarra, C, Schaile, AD, Schaile, O, Scharf, F, Scharff-Hansen, P, Schieck, J, Schmitt, B, Schmitt, S, Schmitz, RE, Schöning, A, Schröder, M, Schumacher, M, Schwick, C, Scott, WG, Seuster, R, Shears, TG, Shen, BC, Shepherd-Themistocleous, CH, Sherwood, P, Siroli, GP, Sittler, A, Skuja, A, Smith, AM, Snow, GA, Sobie, R, Söldner-Rembold, S, Sproston, M, Stahl, A, Stephens, K, Steuerer, J, Stoll, K, Strom, D, Ströhmer, R, Surrow, B, Talbot, SD, Tanaka, S, Taras, P, Tarem, S, Teuscher, R, Thiergen, M, Thomson, MA, von Törne, E, Torrence, E, Towers, S, Trigger, I, Trócsányi, Z, Tsur, E, Turcot, AS, Turner-Watson, MF, Van Kooten, R, Vannerem, P, Verzocchi, M, Voss, H, Wöckerle, F, Wagner, A, Ward, CP, Ward, DR, Watkins, PM, Watson, AT, Watson, NK, Wells, PS, Wermes, N, White, JS, Wilson, GW, Wilson, JA, Wyatt, TR, Yamashita, S, Yekutieli, G, Zacek, V & Zer-Zion, D 2000, 'A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations', European Physical Journal C, vol. 13, no. 3, pp. 185-195.
Abbiendi G, Ackerstaff K, Alexander G, Allison J, Altekamp N, Anderson KJ et al. A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations. European Physical Journal C. 2000;13(3):185-195.
Abbiendi, G. ; Ackerstaff, K. ; Alexander, G. ; Allison, J. ; Altekamp, N. ; Anderson, K. J. ; Anderson, S. ; Arcelli, S. ; Asai, S. ; Ashby, S. F. ; Axen, D. ; Azuelos, G. ; Ball, A. H. ; Barberio, E. ; Barlow, R. J. ; Bartoldus, R. ; Batley, J. R. ; Baumann, S. ; Bechtluft, J. ; Behnke, T. ; Bell, K. W. ; Bella, G. ; Bellerive, A. ; Bentvelsen, S. ; Bethke, S. ; Betts, S. ; Biebel, O. ; Biguzzi, A. ; Bird, S. D. ; Blobel, V. ; Bloodworth, I. J. ; Bobinski, M. ; Bock, P. ; Böhme, J. ; Bonacorsi, D. ; Boutemeur, M. ; Braibant, S. ; Bright-Thomas, P. ; Brigliadori, L. ; Brown, R. M. ; Burckhart, H. J. ; Burgard, C. ; Bürgin, R. ; Capiluppi, P. ; Carnegie, R. K. ; Carter, A. A. ; Carter, J. R. ; Chang, C. Y. ; Charlton, D. G. ; Chrisman, D. ; Ciocca, C. ; Clarke, P. E L ; Clay, E. ; Cohen, I. ; Conboy, J. E. ; Cooke, O. C. ; Couyoumtzelis, C. ; Coxe, R. L. ; Cuffiani, M. ; Dado, S. ; Dallavalle, G. M. ; Davis, R. ; De Jong, S. ; del Pozo, L. A. ; de Roeck, A. ; Desch, K. ; Dienes, B. ; Dixit, M. S. ; Dubbert, J. ; Duchovni, E. ; Duckeck, G. ; Duerdoth, I. P. ; Eatough, D. ; Estabrooks, P. G. ; Etzion, E. ; Evans, H. G. ; Fabbri, F. ; Fanti, M. ; Faust, A. A. ; Fiedler, F. ; Fierro, M. ; Fleck, I. ; Folman, R. ; Fürtjes, A. ; Futyan, D. I. ; Gagnon, P. ; Gary, J. W. ; Gascon, J. ; Gascon-Shotkin, S. M. ; Gaycken, G. ; Geich-Gimbel, C. ; Giacomelli, G. ; Giacomelli, P. ; Gibson, V. ; Gibson, W. R. ; Gingrich, D. M. ; Glenzinski, D. ; Goldberg, J. ; Gorn, W. ; Grandi, C. ; Gross, E. ; Grunhaus, J. ; Gruwé, M. ; Hanson, G. G. ; Hansroul, M. ; Hapke, M. ; Harder, K. ; Hargrove, C. K. ; Hartmann, C. ; Hauschild, M. ; Hawkes, C. M. ; Hawkings, R. ; Hemingway, R. J. ; Herndon, M. ; Herten, G. ; Heuer, R. D. ; Hildreth, M. D. ; Hill, J. C. ; Hillier, S. J. ; Hobson, P. R. ; Hocker, A. ; Homer, R. J. ; Honma, A. K. ; Horváth, D. ; Hossain, K. R. ; Howard, R. ; Hüntemeyer, P. ; Igo-Kemenes, P. ; Imrie, D. C. ; Ishii, K. ; Jacob, F. R. ; Jawahery, A. ; Jeremie, H. ; Jimack, M. ; Jones, C. R. ; Jovanovic, P. ; Junk, T. R. ; Karlen, D. ; Kartvelishvili, V. ; Kawagoe, K. ; Kawamoto, T. ; Kayal, P. I. ; Keeler, R. K. ; Kellogg, R. G. ; Kennedy, B. W. ; Klier, A. ; Kluth, S. ; Kobayashi, T. ; Kobel, M. ; Koetke, D. S. ; Kokott, T. P. ; Kolrep, M. ; Komamiya, S. ; Kowalewski, R. V. ; Kress, T. ; Krieger, P. ; von Krogh, J. ; Kuhl, T. ; Kyberd, P. ; Lafferty, G. D. ; Lanske, D. ; Lauber, J. ; Lautenschlager, S. R. ; Lawson, I. ; Layter, J. G. ; Lazic, D. ; Lee, A. M. ; Lellouch, D. ; Letts, J. ; Levinson, L. ; Liebisch, R. ; List, B. ; Littlewood, C. ; Lloyd, A. W. ; Lloyd, S. L. ; Loebinger, F. K. ; Long, G. D. ; Losty, M. J. ; Ludwig, J. ; Liu, D. ; Macchiolo, A. ; Macpherson, A. ; Mader, W. ; Mannelli, M. ; Marcellini, S. ; Markopoulos, C. ; Martin, A. J. ; Martin, J. P. ; Martinez, G. ; Mashimo, T. ; Mättig, P. ; McDonald, W. J. ; McKenna, J. ; Mckigney, E. A. ; McMahon, T. J. ; McPherson, R. A. ; Meijers, F. ; Menke, S. ; Merritt, F. S. ; Mes, H. ; Meyer, J. ; Michelini, A. ; Mihara, S. ; Mikenberg, G. ; Miller, D. J. ; Mir, R. ; Mohr, W. ; Montanari, A. ; Mori, T. ; Nagai, K. ; Nakamura, I. ; Neal, H. A. ; Nellen, B. ; Nisius, R. ; O'Neale, S. W. ; Oakham, F. G. ; Odorici, F. ; Ogren, H. O. ; Oreglia, M. J. ; Orito, S. ; Pálinkás, J. ; Pásztor, G. ; Pater, J. R. ; Patrick, G. N. ; Patt, J. ; Perez-Ochoa, R. ; Petzold, S. ; Pfeifenschneider, P. ; Pilcher, J. E. ; Pinfold, J. ; Plane, D. E. ; Poffenberger, P. ; Polok, J. ; Przybycień, M. ; Rembser, C. ; Rick, H. ; Robertson, S. ; Robins, S. A. ; Rodning, N. ; Roney, J. M. ; Roscoe, K. ; Rossi, A. M. ; Rozen, Y. ; Runge, K. ; Runolfsson, O. ; Rust, D. R. ; Sachs, K. ; Saeki, T. ; Sahr, O. ; Sang, W. M. ; Sarkisyan, E. K G ; Sbarra, C. ; Schaile, A. D. ; Schaile, O. ; Scharf, F. ; Scharff-Hansen, P. ; Schieck, J. ; Schmitt, B. ; Schmitt, S. ; Schmitz, R. E. ; Schöning, A. ; Schröder, M. ; Schumacher, M. ; Schwick, C. ; Scott, W. G. ; Seuster, R. ; Shears, T. G. ; Shen, B. C. ; Shepherd-Themistocleous, C. H. ; Sherwood, P. ; Siroli, G. P. ; Sittler, A. ; Skuja, A. ; Smith, A. M. ; Snow, G. A. ; Sobie, R. ; Söldner-Rembold, S. ; Sproston, M. ; Stahl, A. ; Stephens, K. ; Steuerer, J. ; Stoll, K. ; Strom, D. ; Ströhmer, R. ; Surrow, B. ; Talbot, S. D. ; Tanaka, S. ; Taras, P. ; Tarem, S. ; Teuscher, R. ; Thiergen, M. ; Thomson, M. A. ; von Törne, E. ; Torrence, E. ; Towers, S. ; Trigger, I. ; Trócsányi, Z. ; Tsur, E. ; Turcot, A. S. ; Turner-Watson, M. F. ; Van Kooten, R. ; Vannerem, P. ; Verzocchi, M. ; Voss, H. ; Wöckerle, F. ; Wagner, A. ; Ward, C. P. ; Ward, D. R. ; Watkins, P. M. ; Watson, A. T. ; Watson, N. K. ; Wells, P. S. ; Wermes, N. ; White, J. S. ; Wilson, G. W. ; Wilson, J. A. ; Wyatt, T. R. ; Yamashita, S. ; Yekutieli, G. ; Zacek, V. ; Zer-Zion, D. / A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations. In: European Physical Journal C. 2000 ; Vol. 13, No. 3. pp. 185-195.
@article{74d059ac1a5f4fa086254121d1b35abc,
title = "A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations",
abstract = "The correlated production of Λ and Λ̄ baryons has been studied using 4.3 million multihadronic Z° decays recorded with the OPAL detector at LEP. Lambda pairs were investigated in the full data sample and for the first time also in 2-jet and 3-jet events selected with the k⊥ algorithm. The distributions of rapidity differences from correlated ΛΛ̄ pairs exhibit short-range, local correlations and prove to be a sensitive tool to test models, particularly for 2-jet events. The JETSET model describes the data best but some extra parameter tuning is needed to improve agreement with the experimental results in the rates and the rapidity spectra simultaneously. The recently developed modification of JETSET, the MOdified Popcorn Scenarium (MOPS), and also HERWIG do not give satisfactory results. This study of di-lambda production in 2- and 3-jet events supports the short-range compensation of quantum numbers.",
author = "G. Abbiendi and K. Ackerstaff and G. Alexander and J. Allison and N. Altekamp and Anderson, {K. J.} and S. Anderson and S. Arcelli and S. Asai and Ashby, {S. F.} and D. Axen and G. Azuelos and Ball, {A. H.} and E. Barberio and Barlow, {R. J.} and R. Bartoldus and Batley, {J. R.} and S. Baumann and J. Bechtluft and T. Behnke and Bell, {K. W.} and G. Bella and A. Bellerive and S. Bentvelsen and S. Bethke and S. Betts and O. Biebel and A. Biguzzi and Bird, {S. D.} and V. Blobel and Bloodworth, {I. J.} and M. Bobinski and P. Bock and J. B{\"o}hme and D. Bonacorsi and M. Boutemeur and S. Braibant and P. Bright-Thomas and L. Brigliadori and Brown, {R. M.} and Burckhart, {H. J.} and C. Burgard and R. B{\"u}rgin and P. Capiluppi and Carnegie, {R. K.} and Carter, {A. A.} and Carter, {J. R.} and Chang, {C. Y.} and Charlton, {D. G.} and D. Chrisman and C. Ciocca and Clarke, {P. E L} and E. Clay and I. Cohen and Conboy, {J. E.} and Cooke, {O. C.} and C. Couyoumtzelis and Coxe, {R. L.} and M. Cuffiani and S. Dado and Dallavalle, {G. M.} and R. Davis and {De Jong}, S. and {del Pozo}, {L. A.} and {de Roeck}, A. and K. Desch and B. Dienes and Dixit, {M. S.} and J. Dubbert and E. Duchovni and G. Duckeck and Duerdoth, {I. P.} and D. Eatough and Estabrooks, {P. G.} and E. Etzion and Evans, {H. G.} and F. Fabbri and M. Fanti and Faust, {A. A.} and F. Fiedler and M. Fierro and I. Fleck and R. Folman and A. F{\"u}rtjes and Futyan, {D. I.} and P. Gagnon and Gary, {J. W.} and J. Gascon and Gascon-Shotkin, {S. M.} and G. Gaycken and C. Geich-Gimbel and G. Giacomelli and P. Giacomelli and V. Gibson and Gibson, {W. R.} and Gingrich, {D. M.} and D. Glenzinski and J. Goldberg and W. Gorn and C. Grandi and E. Gross and J. Grunhaus and M. Gruw{\'e} and Hanson, {G. G.} and M. Hansroul and M. Hapke and K. Harder and Hargrove, {C. K.} and C. Hartmann and M. Hauschild and Hawkes, {C. M.} and R. Hawkings and Hemingway, {R. J.} and M. Herndon and G. Herten and Heuer, {R. D.} and Hildreth, {M. D.} and Hill, {J. C.} and Hillier, {S. J.} and Hobson, {P. R.} and A. Hocker and Homer, {R. J.} and Honma, {A. K.} and D. Horv{\'a}th and Hossain, {K. R.} and R. Howard and P. H{\"u}ntemeyer and P. Igo-Kemenes and Imrie, {D. C.} and K. Ishii and Jacob, {F. R.} and A. Jawahery and H. Jeremie and M. Jimack and Jones, {C. R.} and P. Jovanovic and Junk, {T. R.} and D. Karlen and V. Kartvelishvili and K. Kawagoe and T. Kawamoto and Kayal, {P. I.} and Keeler, {R. K.} and Kellogg, {R. G.} and Kennedy, {B. W.} and A. Klier and S. Kluth and T. Kobayashi and M. Kobel and Koetke, {D. S.} and Kokott, {T. P.} and M. Kolrep and S. Komamiya and Kowalewski, {R. V.} and T. Kress and P. Krieger and {von Krogh}, J. and T. Kuhl and P. Kyberd and Lafferty, {G. D.} and D. Lanske and J. Lauber and Lautenschlager, {S. R.} and I. Lawson and Layter, {J. G.} and D. Lazic and Lee, {A. M.} and D. Lellouch and J. Letts and L. Levinson and R. Liebisch and B. List and C. Littlewood and Lloyd, {A. W.} and Lloyd, {S. L.} and Loebinger, {F. K.} and Long, {G. D.} and Losty, {M. J.} and J. Ludwig and D. Liu and A. Macchiolo and A. Macpherson and W. Mader and M. Mannelli and S. Marcellini and C. Markopoulos and Martin, {A. J.} and Martin, {J. P.} and G. Martinez and T. Mashimo and P. M{\"a}ttig and McDonald, {W. J.} and J. McKenna and Mckigney, {E. A.} and McMahon, {T. J.} and McPherson, {R. A.} and F. Meijers and S. Menke and Merritt, {F. S.} and H. Mes and J. Meyer and A. Michelini and S. Mihara and G. Mikenberg and Miller, {D. J.} and R. Mir and W. Mohr and A. Montanari and T. Mori and K. Nagai and I. Nakamura and Neal, {H. A.} and B. Nellen and R. Nisius and O'Neale, {S. W.} and Oakham, {F. G.} and F. Odorici and Ogren, {H. O.} and Oreglia, {M. J.} and S. Orito and J. P{\'a}link{\'a}s and G. P{\'a}sztor and Pater, {J. R.} and Patrick, {G. N.} and J. Patt and R. Perez-Ochoa and S. Petzold and P. Pfeifenschneider and Pilcher, {J. E.} and J. Pinfold and Plane, {D. E.} and P. Poffenberger and J. Polok and M. Przybycień and C. Rembser and H. Rick and S. Robertson and Robins, {S. A.} and N. Rodning and Roney, {J. M.} and K. Roscoe and Rossi, {A. M.} and Y. Rozen and K. Runge and O. Runolfsson and Rust, {D. R.} and K. Sachs and T. Saeki and O. Sahr and Sang, {W. M.} and Sarkisyan, {E. K G} and C. Sbarra and Schaile, {A. D.} and O. Schaile and F. Scharf and P. Scharff-Hansen and J. Schieck and B. Schmitt and S. Schmitt and Schmitz, {R. E.} and A. Sch{\"o}ning and M. Schr{\"o}der and M. Schumacher and C. Schwick and Scott, {W. G.} and R. Seuster and Shears, {T. G.} and Shen, {B. C.} and Shepherd-Themistocleous, {C. H.} and P. Sherwood and Siroli, {G. P.} and A. Sittler and A. Skuja and Smith, {A. M.} and Snow, {G. A.} and R. Sobie and S. S{\"o}ldner-Rembold and M. Sproston and A. Stahl and K. Stephens and J. Steuerer and K. Stoll and D. Strom and R. Str{\"o}hmer and B. Surrow and Talbot, {S. D.} and S. Tanaka and P. Taras and S. Tarem and R. Teuscher and M. Thiergen and Thomson, {M. A.} and {von T{\"o}rne}, E. and E. Torrence and S. Towers and I. Trigger and Z. Tr{\'o}cs{\'a}nyi and E. Tsur and Turcot, {A. S.} and Turner-Watson, {M. F.} and {Van Kooten}, R. and P. Vannerem and M. Verzocchi and H. Voss and F. W{\"o}ckerle and A. Wagner and Ward, {C. P.} and Ward, {D. R.} and Watkins, {P. M.} and Watson, {A. T.} and Watson, {N. K.} and Wells, {P. S.} and N. Wermes and White, {J. S.} and Wilson, {G. W.} and Wilson, {J. A.} and Wyatt, {T. R.} and S. Yamashita and G. Yekutieli and V. Zacek and D. Zer-Zion",
year = "2000",
language = "English",
volume = "13",
pages = "185--195",
journal = "European Physical Journal C",
issn = "1434-6044",
publisher = "Springer New York",
number = "3",

}

TY - JOUR

T1 - A study of parton fragmentation in hadronic Z° decays using ΛΛ̄ correlations

AU - Abbiendi, G.

AU - Ackerstaff, K.

AU - Alexander, G.

AU - Allison, J.

AU - Altekamp, N.

AU - Anderson, K. J.

AU - Anderson, S.

AU - Arcelli, S.

AU - Asai, S.

AU - Ashby, S. F.

AU - Axen, D.

AU - Azuelos, G.

AU - Ball, A. H.

AU - Barberio, E.

AU - Barlow, R. J.

AU - Bartoldus, R.

AU - Batley, J. R.

AU - Baumann, S.

AU - Bechtluft, J.

AU - Behnke, T.

AU - Bell, K. W.

AU - Bella, G.

AU - Bellerive, A.

AU - Bentvelsen, S.

AU - Bethke, S.

AU - Betts, S.

AU - Biebel, O.

AU - Biguzzi, A.

AU - Bird, S. D.

AU - Blobel, V.

AU - Bloodworth, I. J.

AU - Bobinski, M.

AU - Bock, P.

AU - Böhme, J.

AU - Bonacorsi, D.

AU - Boutemeur, M.

AU - Braibant, S.

AU - Bright-Thomas, P.

AU - Brigliadori, L.

AU - Brown, R. M.

AU - Burckhart, H. J.

AU - Burgard, C.

AU - Bürgin, R.

AU - Capiluppi, P.

AU - Carnegie, R. K.

AU - Carter, A. A.

AU - Carter, J. R.

AU - Chang, C. Y.

AU - Charlton, D. G.

AU - Chrisman, D.

AU - Ciocca, C.

AU - Clarke, P. E L

AU - Clay, E.

AU - Cohen, I.

AU - Conboy, J. E.

AU - Cooke, O. C.

AU - Couyoumtzelis, C.

AU - Coxe, R. L.

AU - Cuffiani, M.

AU - Dado, S.

AU - Dallavalle, G. M.

AU - Davis, R.

AU - De Jong, S.

AU - del Pozo, L. A.

AU - de Roeck, A.

AU - Desch, K.

AU - Dienes, B.

AU - Dixit, M. S.

AU - Dubbert, J.

AU - Duchovni, E.

AU - Duckeck, G.

AU - Duerdoth, I. P.

AU - Eatough, D.

AU - Estabrooks, P. G.

AU - Etzion, E.

AU - Evans, H. G.

AU - Fabbri, F.

AU - Fanti, M.

AU - Faust, A. A.

AU - Fiedler, F.

AU - Fierro, M.

AU - Fleck, I.

AU - Folman, R.

AU - Fürtjes, A.

AU - Futyan, D. I.

AU - Gagnon, P.

AU - Gary, J. W.

AU - Gascon, J.

AU - Gascon-Shotkin, S. M.

AU - Gaycken, G.

AU - Geich-Gimbel, C.

AU - Giacomelli, G.

AU - Giacomelli, P.

AU - Gibson, V.

AU - Gibson, W. R.

AU - Gingrich, D. M.

AU - Glenzinski, D.

AU - Goldberg, J.

AU - Gorn, W.

AU - Grandi, C.

AU - Gross, E.

AU - Grunhaus, J.

AU - Gruwé, M.

AU - Hanson, G. G.

AU - Hansroul, M.

AU - Hapke, M.

AU - Harder, K.

AU - Hargrove, C. K.

AU - Hartmann, C.

AU - Hauschild, M.

AU - Hawkes, C. M.

AU - Hawkings, R.

AU - Hemingway, R. J.

AU - Herndon, M.

AU - Herten, G.

AU - Heuer, R. D.

AU - Hildreth, M. D.

AU - Hill, J. C.

AU - Hillier, S. J.

AU - Hobson, P. R.

AU - Hocker, A.

AU - Homer, R. J.

AU - Honma, A. K.

AU - Horváth, D.

AU - Hossain, K. R.

AU - Howard, R.

AU - Hüntemeyer, P.

AU - Igo-Kemenes, P.

AU - Imrie, D. C.

AU - Ishii, K.

AU - Jacob, F. R.

AU - Jawahery, A.

AU - Jeremie, H.

AU - Jimack, M.

AU - Jones, C. R.

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PY - 2000

Y1 - 2000

N2 - The correlated production of Λ and Λ̄ baryons has been studied using 4.3 million multihadronic Z° decays recorded with the OPAL detector at LEP. Lambda pairs were investigated in the full data sample and for the first time also in 2-jet and 3-jet events selected with the k⊥ algorithm. The distributions of rapidity differences from correlated ΛΛ̄ pairs exhibit short-range, local correlations and prove to be a sensitive tool to test models, particularly for 2-jet events. The JETSET model describes the data best but some extra parameter tuning is needed to improve agreement with the experimental results in the rates and the rapidity spectra simultaneously. The recently developed modification of JETSET, the MOdified Popcorn Scenarium (MOPS), and also HERWIG do not give satisfactory results. This study of di-lambda production in 2- and 3-jet events supports the short-range compensation of quantum numbers.

AB - The correlated production of Λ and Λ̄ baryons has been studied using 4.3 million multihadronic Z° decays recorded with the OPAL detector at LEP. Lambda pairs were investigated in the full data sample and for the first time also in 2-jet and 3-jet events selected with the k⊥ algorithm. The distributions of rapidity differences from correlated ΛΛ̄ pairs exhibit short-range, local correlations and prove to be a sensitive tool to test models, particularly for 2-jet events. The JETSET model describes the data best but some extra parameter tuning is needed to improve agreement with the experimental results in the rates and the rapidity spectra simultaneously. The recently developed modification of JETSET, the MOdified Popcorn Scenarium (MOPS), and also HERWIG do not give satisfactory results. This study of di-lambda production in 2- and 3-jet events supports the short-range compensation of quantum numbers.

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M3 - Article

AN - SCOPUS:0040364231

VL - 13

SP - 185

EP - 195

JO - European Physical Journal C

JF - European Physical Journal C

SN - 1434-6044

IS - 3

ER -