A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays

A. Heister; S. Schael; R. Barate; R. Brunelière; I. de Bonis; D. Decamp; C. Goy; S. Jezequel; J. P. Lees; F. Martin; E. Merle; M. N. Minard; B. Pietrzyk; B. Trocmé; S. Bravo; M. P. Casado; M. Chmeissani; J. M. Crespo; E. Fernandez; M. Fernandez-Bosman; L. Garrido; M. Martinez; A. Pacheco; H. Ruiz; A. Colaleo; D. Creanza; N. de Filippis; M. de Palma; G. Iaselli; G. Maggi; M. Maggi; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; A. Tricomi; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; D. Abbaneo; T. Barklow; O. Buchmüller; M. Cattaneo; F. Cerutti; B. Clerbaux; H. Drevermann; R. W. Forty; M. Frank; F. Gianotti; J. B. Hansen; J. Harvey; D. E. Hutchcroft; P. Janot; B. Jost; M. Kado; P. Mato; A. Moutoussi; F. Ranjard; L. Rolandi; D. Schlatter; G. Sguazzoni; W. Tejessy; F. Teubert; A. Valassi; I. Videau; F. Badaud; S. Dessagne; A. Falvard; D. Fayolle; P. Gay; J. Jousset; B. Michel; S. Monteil; D. Pallin; J. M. Pascolo; P. Perret; J. D. Hansen; J. R. Hansen; P. H. Hansen; A. Kraan; B. S. Nilsson; A. Kyriakis; C. Markou; E. Simopoulou; A. Vayaki; K. Zachariadou; A. Blondel; J. C. Brient; F. Machefert; A. Rougé; M. Swynghedauw; R. Tanaka; H. Videau; V. Ciulli; E. Focardi; G. Parrini; A. Antonelli; M. Antonelli; G. Bencivenni; F. Bossi; G. Capon; V. Chiarella; P. Laurelli; G. Mannocchi; G. P. Murtas; L. Passalacqua; J. Kennedy; J. G. Lynch; P. Negus; V. O'Shea; A. S. Thompson; S. Wasserbaech; R. Cavanaugh; S. Dhamotharan; C. Geweniger; P. Hanke; V. Hepp; E. E. Kluge; G. Leibenguth; A. Putzer; H. Stenzel; K. Tittel; M. Wunsch; R. Beuselinck; W. Cameron; G. Davies; P. J. Dornan; M. Girone; R. D. Hill; N. Marinelli; J. Nowell; S. A. Rutherford; J. K. Sedgbeer; J. C. Thompson; R. White; V. M. Ghete; P. Girtler; E. Kneringer; D. Kuhn; G. Rudolph; E. Bouhova-Thacker; C. K. Bowdery; D. P. Clarke; G. Ellis; A. J. Finch; F. Foster; G. Hughes; R. W.L. Jones; M. R. Pearson; N. A. Robertson; M. Smizanska; O. van der Aa; C. Delaere; V. Lemaitre; U. Blumenschein; F. Hölldorfer; K. Jakobs; F. Kayser; K. Kleinknecht; A. S. Müller; B. Renk; H. G. Sander; S. Schmeling; H. Wachsmuth; C. Zeitnitz; T. Ziegler; A. Bonissent; P. Coyle; C. Curtil; A. Ealet; D. Fouchez; P. Payre; A. Tilquin; F. Ragusa; A. David; H. Dietl; G. Ganis; K. Hüttmann; G. Lütjens; W. Männer; H. G. Moser; R. Settles; M. Villegas; G. Wolf; J. Boucrot; O. Callot; M. Davier; L. Duflot; J. F. Grivaz; P. Heusse; A. Jacholkowska; L. Serin; J. J. Veillet; P. Azzurri; G. Bagliesi; T. Boccali; L. Foà; A. Giammanco; A. Giassi; F. Ligabue; A. Messineo; F. Palla; G. Sanguinetti; A. Sciabà; P. Spagnolo; R. Tenchini; A. Venturi; P. G. Verdini; O. Awunor; G. A. Blair; G. Cowan; A. Garcia-Bellido; M. G. Green; L. T. Jones; T. Medcalf; A. Misiejuk; J. A. Strong; P. Teixeira-Dias; R. W. Clifft; T. R. Edgecock; P. R. Norton; I. R. Tomalin; J. J. Ward; B. Bloch-Devaux; D. Boumediene; P. Colas; B. Fabbro; E. Lançon; M. C. Lemaire; E. Locci; P. Perez; J. Rander; B. Tuchming; B. Vallage; N. Konstantinidis; A. M. Litke; G. Taylor; C. N. Booth; S. Cartwright; F. Combley; P. N. Hodgson; M. Lehto; L. F. Thompson; A. Böhrer; S. Brandt; C. Grupen; J. Hess; A. Ngac; G. Prange; C. Borean; G. Giannini; H. He; J. Putz; J. Rothberg; S. R. Armstrong; K. Berkelman; K. Cranmer; D. P.S. Ferguson; Y. Gao; S. González; O. J. Hayes; H. Hu; S. Jin; J. Kile; P. A. McNamara; J. Nielsen; Y. B. Pan; J. H. von Wimmersperg-Toeller; W. Wiedenmann; J. Wu; W. Sau Lan; X. Wu; G. Zobernig; G. Dissertori

doi:10.1016/S0370-2693(03)00495-7

A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays

A. Heister, S. Schael, R. Barate, R. Brunelière, I. de Bonis, D. Decamp, C. Goy, S. Jezequel, J. P. Lees, F. Martin, E. Merle, M. N. Minard, B. Pietrzyk, B. Trocmé, S. Bravo, M. P. Casado, M. Chmeissani, J. M. Crespo, E. Fernandez, M. Fernandez-BosmanL. Garrido, M. Martinez, A. Pacheco, H. Ruiz, A. Colaleo, D. Creanza, N. de Filippis, M. de Palma, G. Iaselli, G. Maggi, M. Maggi, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, A. Tricomi, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, D. Abbaneo, T. Barklow, O. Buchmüller, M. Cattaneo, F. Cerutti, B. Clerbaux, H. Drevermann, R. W. Forty, M. Frank, F. Gianotti, J. B. Hansen, J. Harvey, D. E. Hutchcroft, P. Janot, B. Jost, M. Kado, P. Mato, A. Moutoussi, F. Ranjard, L. Rolandi, D. Schlatter, G. Sguazzoni, W. Tejessy, F. Teubert, A. Valassi, I. Videau, F. Badaud, S. Dessagne, A. Falvard, D. Fayolle, P. Gay, J. Jousset, B. Michel, S. Monteil, D. Pallin, J. M. Pascolo, P. Perret, J. D. Hansen, J. R. Hansen, P. H. Hansen, A. Kraan, B. S. Nilsson, A. Kyriakis, C. Markou, E. Simopoulou, A. Vayaki, K. Zachariadou, A. Blondel, J. C. Brient, F. Machefert, A. Rougé, M. Swynghedauw, R. Tanaka, H. Videau, V. Ciulli, E. Focardi, G. Parrini, A. Antonelli, M. Antonelli, G. Bencivenni, F. Bossi, G. Capon, V. Chiarella, P. Laurelli, G. Mannocchi, G. P. Murtas, L. Passalacqua, J. Kennedy, J. G. Lynch, P. Negus, V. O'Shea, A. S. Thompson, S. Wasserbaech, R. Cavanaugh, S. Dhamotharan, C. Geweniger, P. Hanke, V. Hepp, E. E. Kluge, G. Leibenguth, A. Putzer, H. Stenzel, K. Tittel, M. Wunsch, R. Beuselinck, W. Cameron, G. Davies, P. J. Dornan, M. Girone, R. D. Hill, N. Marinelli, J. Nowell, S. A. Rutherford, J. K. Sedgbeer, J. C. Thompson, R. White, V. M. Ghete, P. Girtler, E. Kneringer, D. Kuhn, G. Rudolph, E. Bouhova-Thacker, C. K. Bowdery, D. P. Clarke, G. Ellis, A. J. Finch, F. Foster, G. Hughes, R. W.L. Jones, M. R. Pearson, N. A. Robertson, M. Smizanska, O. van der Aa, C. Delaere, V. Lemaitre, U. Blumenschein, F. Hölldorfer, K. Jakobs, F. Kayser, K. Kleinknecht, A. S. Müller, B. Renk, H. G. Sander, S. Schmeling, H. Wachsmuth, C. Zeitnitz, T. Ziegler, A. Bonissent, P. Coyle, C. Curtil, A. Ealet, D. Fouchez, P. Payre, A. Tilquin, F. Ragusa, A. David, H. Dietl, G. Ganis, K. Hüttmann, G. Lütjens, W. Männer, H. G. Moser, R. Settles, M. Villegas, G. Wolf, J. Boucrot, O. Callot, M. Davier, L. Duflot, J. F. Grivaz, P. Heusse, A. Jacholkowska, L. Serin, J. J. Veillet, P. Azzurri, G. Bagliesi, T. Boccali, L. Foà, A. Giammanco, A. Giassi, F. Ligabue, A. Messineo, F. Palla, G. Sanguinetti, A. Sciabà, P. Spagnolo, R. Tenchini, A. Venturi, P. G. Verdini, O. Awunor, G. A. Blair, G. Cowan, A. Garcia-Bellido, M. G. Green, L. T. Jones, T. Medcalf, A. Misiejuk, J. A. Strong, P. Teixeira-Dias, R. W. Clifft, T. R. Edgecock, P. R. Norton, I. R. Tomalin, J. J. Ward, B. Bloch-Devaux, D. Boumediene, P. Colas, B. Fabbro, E. Lançon, M. C. Lemaire, E. Locci, P. Perez, J. Rander, B. Tuchming, B. Vallage, N. Konstantinidis, A. M. Litke, G. Taylor, C. N. Booth, S. Cartwright, F. Combley, P. N. Hodgson, M. Lehto, L. F. Thompson, A. Böhrer, S. Brandt, C. Grupen, J. Hess, A. Ngac, G. Prange, C. Borean, G. Giannini, H. He, J. Putz, J. Rothberg, S. R. Armstrong, K. Berkelman, K. Cranmer, D. P.S. Ferguson, Y. Gao, S. González, O. J. Hayes, H. Hu, S. Jin, J. Kile, P. A. McNamara, J. Nielsen, Y. B. Pan, J. H. von Wimmersperg-Toeller, W. Wiedenmann, J. Wu, W. Sau Lan, X. Wu, G. Zobernig, G. Dissertori

Research output: Contribution to journal › Article › peer-review

Abstract

The rate of gluon splitting into cc̄ pairs in hadronic Z decays is measured using the data sample collected by ALEPH from 1991 to 1995. The selection is based on the identification of leptons (electrons and muons) originating from semileptonic charm decays, and on the topological properties of signal events. The result derived from the selected sample is g_cc̄ = (3.26 ± 0.23(stat) ± 0.42(syst))%.

Original language	English (US)
Pages (from-to)	213-224
Number of pages	12
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	561
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(03)00495-7
State	Published - May 29 2003

ASJC Scopus subject areas

Nuclear and High Energy Physics

Access to Document

10.1016/S0370-2693(03)00495-7

Cite this

Heister, A., Schael, S., Barate, R., Brunelière, R., de Bonis, I., Decamp, D., Goy, C., Jezequel, S., Lees, J. P., Martin, F., Merle, E., Minard, M. N., Pietrzyk, B., Trocmé, B., Bravo, S., Casado, M. P., Chmeissani, M., Crespo, J. M., Fernandez, E., ... Dissertori, G. (2003). A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 561(3-4), 213-224. https://doi.org/10.1016/S0370-2693(03)00495-7

Heister, A, Schael, S, Barate, R, Brunelière, R, de Bonis, I, Decamp, D, Goy, C, Jezequel, S, Lees, JP, Martin, F, Merle, E, Minard, MN, Pietrzyk, B, Trocmé, B, Bravo, S, Casado, MP, Chmeissani, M, Crespo, JM, Fernandez, E, Fernandez-Bosman, M, Garrido, L, Martinez, M, Pacheco, A, Ruiz, H, Colaleo, A, Creanza, D, de Filippis, N, de Palma, M, Iaselli, G, Maggi, G, Maggi, M, Nuzzo, S, Ranieri, A, Raso, G, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Tricomi, A, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Abbaneo, D, Barklow, T, Buchmüller, O, Cattaneo, M, Cerutti, F, Clerbaux, B, Drevermann, H, Forty, RW, Frank, M, Gianotti, F, Hansen, JB, Harvey, J, Hutchcroft, DE, Janot, P, Jost, B, Kado, M, Mato, P, Moutoussi, A, Ranjard, F, Rolandi, L, Schlatter, D, Sguazzoni, G, Tejessy, W, Teubert, F, Valassi, A, Videau, I, Badaud, F, Dessagne, S, Falvard, A, Fayolle, D, Gay, P, Jousset, J, Michel, B, Monteil, S, Pallin, D, Pascolo, JM, Perret, P, Hansen, JD, Hansen, JR, Hansen, PH, Kraan, A, Nilsson, BS, Kyriakis, A, Markou, C, Simopoulou, E, Vayaki, A, Zachariadou, K, Blondel, A, Brient, JC, Machefert, F, Rougé, A, Swynghedauw, M, Tanaka, R, Videau, H, Ciulli, V, Focardi, E, Parrini, G, Antonelli, A, Antonelli, M, Bencivenni, G, Bossi, F, Capon, G, Chiarella, V, Laurelli, P, Mannocchi, G, Murtas, GP, Passalacqua, L, Kennedy, J, Lynch, JG, Negus, P, O'Shea, V, Thompson, AS, Wasserbaech, S, Cavanaugh, R, Dhamotharan, S, Geweniger, C, Hanke, P, Hepp, V, Kluge, EE, Leibenguth, G, Putzer, A, Stenzel, H, Tittel, K, Wunsch, M, Beuselinck, R, Cameron, W, Davies, G, Dornan, PJ, Girone, M, Hill, RD, Marinelli, N, Nowell, J, Rutherford, SA, Sedgbeer, JK, Thompson, JC, White, R, Ghete, VM, Girtler, P, Kneringer, E, Kuhn, D, Rudolph, G, Bouhova-Thacker, E, Bowdery, CK, Clarke, DP, Ellis, G, Finch, AJ, Foster, F, Hughes, G, Jones, RWL, Pearson, MR, Robertson, NA, Smizanska, M, van der Aa, O, Delaere, C, Lemaitre, V, Blumenschein, U, Hölldorfer, F, Jakobs, K, Kayser, F, Kleinknecht, K, Müller, AS, Renk, B, Sander, HG, Schmeling, S, Wachsmuth, H, Zeitnitz, C, Ziegler, T, Bonissent, A, Coyle, P, Curtil, C, Ealet, A, Fouchez, D, Payre, P, Tilquin, A, Ragusa, F, David, A, Dietl, H, Ganis, G, Hüttmann, K, Lütjens, G, Männer, W, Moser, HG, Settles, R, Villegas, M, Wolf, G, Boucrot, J, Callot, O, Davier, M, Duflot, L, Grivaz, JF, Heusse, P, Jacholkowska, A, Serin, L, Veillet, JJ, Azzurri, P, Bagliesi, G, Boccali, T, Foà, L, Giammanco, A, Giassi, A, Ligabue, F, Messineo, A, Palla, F, Sanguinetti, G, Sciabà, A, Spagnolo, P, Tenchini, R, Venturi, A, Verdini, PG, Awunor, O, Blair, GA, Cowan, G, Garcia-Bellido, A, Green, MG, Jones, LT, Medcalf, T, Misiejuk, A, Strong, JA, Teixeira-Dias, P, Clifft, RW, Edgecock, TR, Norton, PR, Tomalin, IR, Ward, JJ, Bloch-Devaux, B, Boumediene, D, Colas, P, Fabbro, B, Lançon, E, Lemaire, MC, Locci, E, Perez, P, Rander, J, Tuchming, B, Vallage, B, Konstantinidis, N, Litke, AM, Taylor, G, Booth, CN, Cartwright, S, Combley, F, Hodgson, PN, Lehto, M, Thompson, LF, Böhrer, A, Brandt, S, Grupen, C, Hess, J, Ngac, A, Prange, G, Borean, C, Giannini, G, He, H, Putz, J, Rothberg, J, Armstrong, SR, Berkelman, K, Cranmer, K, Ferguson, DPS, Gao, Y, González, S, Hayes, OJ, Hu, H, Jin, S, Kile, J, McNamara, PA, Nielsen, J, Pan, YB, von Wimmersperg-Toeller, JH, Wiedenmann, W, Wu, J, Sau Lan, W, Wu, X, Zobernig, G & Dissertori, G 2003, 'A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 561, no. 3-4, pp. 213-224. https://doi.org/10.1016/S0370-2693(03)00495-7

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title = "A measurement of the gluon splitting rate into c{\=c} pairs in hadronic Z decays",

abstract = "The rate of gluon splitting into c{\=c} pairs in hadronic Z decays is measured using the data sample collected by ALEPH from 1991 to 1995. The selection is based on the identification of leptons (electrons and muons) originating from semileptonic charm decays, and on the topological properties of signal events. The result derived from the selected sample is gc{\=c} = (3.26 ± 0.23(stat) ± 0.42(syst))%.",

author = "A. Heister and S. Schael and R. Barate and R. Bruneli{\`e}re and {de Bonis}, I. and D. Decamp and C. Goy and S. Jezequel and Lees, {J. P.} and F. Martin and E. Merle and Minard, {M. N.} and B. Pietrzyk and B. Trocm{\'e} and S. Bravo and Casado, {M. P.} and M. Chmeissani and Crespo, {J. M.} and E. Fernandez and M. Fernandez-Bosman and L. Garrido and M. Martinez and A. Pacheco and H. Ruiz and A. Colaleo and D. Creanza and {de Filippis}, N. and {de Palma}, M. and G. Iaselli and G. Maggi and M. Maggi and S. Nuzzo and A. Ranieri and G. Raso and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and A. Tricomi and G. Zito and X. Huang and J. Lin and Q. Ouyang and T. Wang and Y. Xie and R. Xu and S. Xue and J. Zhang and L. Zhang and W. Zhao and D. Abbaneo and T. Barklow and O. Buchm{\"u}ller and M. Cattaneo and F. Cerutti and B. Clerbaux and H. Drevermann and Forty, {R. W.} and M. Frank and F. Gianotti and Hansen, {J. B.} and J. Harvey and Hutchcroft, {D. E.} and P. Janot and B. Jost and M. Kado and P. Mato and A. Moutoussi and F. Ranjard and L. Rolandi and D. Schlatter and G. Sguazzoni and W. Tejessy and F. Teubert and A. Valassi and I. Videau and F. Badaud and S. Dessagne and A. Falvard and D. Fayolle and P. Gay and J. Jousset and B. Michel and S. Monteil and D. Pallin and Pascolo, {J. M.} and P. Perret and Hansen, {J. D.} and Hansen, {J. R.} and Hansen, {P. H.} and A. Kraan and Nilsson, {B. S.} and A. Kyriakis and C. Markou and E. Simopoulou and A. Vayaki and K. Zachariadou and A. Blondel and Brient, {J. C.} and F. Machefert and A. Roug{\'e} and M. Swynghedauw and R. Tanaka and H. Videau and V. Ciulli and E. Focardi and G. Parrini and A. Antonelli and M. Antonelli and G. Bencivenni and F. Bossi and G. Capon and V. Chiarella and P. Laurelli and G. Mannocchi and Murtas, {G. P.} and L. Passalacqua and J. Kennedy and Lynch, {J. G.} and P. Negus and V. O'Shea and Thompson, {A. S.} and S. Wasserbaech and R. Cavanaugh and S. Dhamotharan and C. Geweniger and P. Hanke and V. Hepp and Kluge, {E. E.} and G. Leibenguth and A. Putzer and H. Stenzel and K. Tittel and M. Wunsch and R. Beuselinck and W. Cameron and G. Davies and Dornan, {P. J.} and M. Girone and Hill, {R. D.} and N. Marinelli and J. Nowell and Rutherford, {S. A.} and Sedgbeer, {J. K.} and Thompson, {J. C.} and R. White and Ghete, {V. M.} and P. Girtler and E. Kneringer and D. Kuhn and G. Rudolph and E. Bouhova-Thacker and Bowdery, {C. K.} and Clarke, {D. P.} and G. Ellis and Finch, {A. J.} and F. Foster and G. Hughes and Jones, {R. W.L.} and Pearson, {M. R.} and Robertson, {N. A.} and M. Smizanska and {van der Aa}, O. and C. Delaere and V. Lemaitre and U. Blumenschein and F. H{\"o}lldorfer and K. Jakobs and F. Kayser and K. Kleinknecht and M{\"u}ller, {A. S.} and B. Renk and Sander, {H. G.} and S. Schmeling and H. Wachsmuth and C. Zeitnitz and T. Ziegler and A. Bonissent and P. Coyle and C. Curtil and A. Ealet and D. Fouchez and P. Payre and A. Tilquin and F. Ragusa and A. David and H. Dietl and G. Ganis and K. H{\"u}ttmann and G. L{\"u}tjens and W. M{\"a}nner and Moser, {H. G.} and R. Settles and M. Villegas and G. Wolf and J. Boucrot and O. Callot and M. Davier and L. Duflot and Grivaz, {J. F.} and P. Heusse and A. Jacholkowska and L. Serin and Veillet, {J. J.} and P. Azzurri and G. Bagliesi and T. Boccali and L. Fo{\`a} and A. Giammanco and A. Giassi and F. Ligabue and A. Messineo and F. Palla and G. Sanguinetti and A. Sciab{\`a} and P. Spagnolo and R. Tenchini and A. Venturi and Verdini, {P. G.} and O. Awunor and Blair, {G. A.} and G. Cowan and A. Garcia-Bellido and Green, {M. G.} and Jones, {L. T.} and T. Medcalf and A. Misiejuk and Strong, {J. A.} and P. Teixeira-Dias and Clifft, {R. W.} and Edgecock, {T. R.} and Norton, {P. R.} and Tomalin, {I. R.} and Ward, {J. J.} and B. Bloch-Devaux and D. Boumediene and P. Colas and B. Fabbro and E. Lan{\c c}on and Lemaire, {M. C.} and E. Locci and P. Perez and J. Rander and B. Tuchming and B. Vallage and N. Konstantinidis and Litke, {A. M.} and G. Taylor and Booth, {C. N.} and S. Cartwright and F. Combley and Hodgson, {P. N.} and M. Lehto and Thompson, {L. F.} and A. B{\"o}hrer and S. Brandt and C. Grupen and J. Hess and A. Ngac and G. Prange and C. Borean and G. Giannini and H. He and J. Putz and J. Rothberg and Armstrong, {S. R.} and K. Berkelman and K. Cranmer and Ferguson, {D. P.S.} and Y. Gao and S. Gonz{\'a}lez and Hayes, {O. J.} and H. Hu and S. Jin and J. Kile and McNamara, {P. A.} and J. Nielsen and Pan, {Y. B.} and {von Wimmersperg-Toeller}, {J. H.} and W. Wiedenmann and J. Wu and {Sau Lan}, W. and X. Wu and G. Zobernig and G. Dissertori",

year = "2003",

month = may,

day = "29",

doi = "10.1016/S0370-2693(03)00495-7",

language = "English (US)",

volume = "561",

pages = "213--224",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

}

TY - JOUR

T1 - A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays

AU - Heister, A.

AU - Schael, S.

AU - Barate, R.

AU - Brunelière, R.

AU - de Bonis, I.

AU - Decamp, D.

AU - Goy, C.

AU - Jezequel, S.

AU - Lees, J. P.

AU - Martin, F.

AU - Merle, E.

AU - Minard, M. N.

AU - Pietrzyk, B.

AU - Trocmé, B.

AU - Bravo, S.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, L.

AU - Martinez, M.

AU - Pacheco, A.

AU - Ruiz, H.

AU - Colaleo, A.

AU - Creanza, D.

AU - de Filippis, N.

AU - de Palma, M.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Tricomi, A.

AU - Zito, G.

AU - Huang, X.

AU - Lin, J.

AU - Ouyang, Q.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, R.

AU - Xue, S.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Abbaneo, D.

AU - Barklow, T.

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AU - Dissertori, G.

PY - 2003/5/29

Y1 - 2003/5/29

N2 - The rate of gluon splitting into cc̄ pairs in hadronic Z decays is measured using the data sample collected by ALEPH from 1991 to 1995. The selection is based on the identification of leptons (electrons and muons) originating from semileptonic charm decays, and on the topological properties of signal events. The result derived from the selected sample is gcc̄ = (3.26 ± 0.23(stat) ± 0.42(syst))%.

AB - The rate of gluon splitting into cc̄ pairs in hadronic Z decays is measured using the data sample collected by ALEPH from 1991 to 1995. The selection is based on the identification of leptons (electrons and muons) originating from semileptonic charm decays, and on the topological properties of signal events. The result derived from the selected sample is gcc̄ = (3.26 ± 0.23(stat) ± 0.42(syst))%.

UR - http://www.scopus.com/inward/record.url?scp=0038287589&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0038287589&partnerID=8YFLogxK

U2 - 10.1016/S0370-2693(03)00495-7

DO - 10.1016/S0370-2693(03)00495-7

M3 - Article

AN - SCOPUS:0038287589

SN - 0370-2693

VL - 561

SP - 213

EP - 224

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

A measurement of the gluon splitting rate into cc̄ pairs in hadronic Z decays

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