Study of the fragmentation of b quarks into B mesons at the Z peak

A. Heister; S. Schael; R. Barate; I. de Bonis; D. Decamp; C. Goy; J. P. Lees; E. Merle; M. N. Minard; B. Pietrzyk; S. Bravo; M. P. Casado; M. Chmeissani; J. M. Crespo; E. Fernandez; M. Fernandez-Bosman; L. Garrido; E. Graugés; M. Martinez; G. Merino; R. Miquel; L. M. Mir; A. Pacheco; H. Ruiz; A. Colaleo; D. Creanza; 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; P. Azzurri; G. Boix; O. Buchmüller; M. Cattaneo; F. Cerutti; B. Clerbaux; G. Dissertori; H. Drevermann; R. W. Forty; M. Frank; T. C. Greening; J. B. Hansen; J. Harvey; P. Janot; B. Jost; M. Kado; P. Mato; A. Moutoussi; F. Ranjard; L. Rolandi; D. Schlatter; O. Schneider; P. Spagnolo; W. Tejessy; F. Teubert; E. Tournefier; J. Ward; Z. Ajaltouni; F. Badaud; A. Falvard; P. Gay; P. Henrard; J. Jousset; B. Michel; S. Monteil; J. C. Montret; D. Pallin; P. Perret; F. Podlyski; J. D. Hansen; J. R. Hansen; P. H. Hansen; B. S. Nilsson; A. Wäänänen; A. Kyriakis; C. Markou; E. Simopoulou; A. Vayaki; K. Zachariadou; A. Blondel; G. Bonneaud; J. C. Brient; A. Rougé; M. Rumpf; M. Swynghedauw; M. Verderi; H. Videau; V. Ciulli; E. Focardi; G. Parrini; A. Antonelli; M. Antonelli; G. Bencivenni; G. Bologna; F. Bossi; P. Campana; G. Capon; V. Chiarella; P. Laurelli; G. Mannocchi; F. Murtas; G. P. Murtas; L. Passalacqua; M. Pepe-Altarelli; A. W. Halley; J. G. Lynch; P. Negus; V. O'Shea; C. Raine; A. S. Thompson; S. Wasserbaech; R. Cavanaugh; S. Dhamotharan; C. Geweniger; P. Hanke; G. Hansper; V. Hepp; E. E. Kluge; A. Putzer; J. Sommer; K. Tittel; S. Werner; M. Wunsch; R. Beuselinck; D. M. Binnie; W. Cameron; P. J. Dornan; M. Girone; N. Marinelli; J. K. Sedgbeer; J. C. Thompson; V. M. Ghete; P. Girtler; E. Kneringer; D. Kuhn; G. Rudolph; E. Bouhova-Thacker; C. K. Bowdery; A. J. Finch; F. Foster; G. Hughes; R. W.L. Jones; M. R. Pearson; N. A. Robertson; I. Giehl; K. Jakobs; K. Kleinknecht; G. Quast; B. Renk; E. Rohne; H. G. Sander; H. Wachsmuth; C. Zeitnitz; A. Bonissent; J. Carr; P. Coyle; O. Leroy; P. Payre; D. Rousseau; M. Talby; M. Aleppo; F. Ragusa; A. David; H. Dietl; G. Ganis; K. Hüttmann; G. Lütjens; C. Mannert; W. Männer; H. G. Moser; R. Settles; H. Stenzel; W. Wiedenmann; G. Wolf; J. Boucrot; O. Callot; M. Davier; L. Duflot; J. F. Grivaz; P. Heusse; A. Jacholkowska; J. Lefrançois; J. J. Veillet; I. Videau; C. Yuan; G. Bagliesi; T. Boccali; G. Calderini; L. Foà; A. Giammanco; A. Giassi; F. Ligabue; A. Messineo; F. Palla; G. Sanguinetti; A. Sciabà; G. Sguazzoni; R. Tenchini; A. Venturi; P. G. Verdini; G. A. Blair; G. Cowan; M. G. Green; T. Medcalf; A. Misiejuk; J. A. Strong; P. Teixeira-Dias; J. H. von Wimmersperg-Toeller; R. W. Clifft; T. R. Edgecock; P. R. Norton; I. R. Tomalin; B. Bloch-Devaux; P. Colas; S. Emery; W. Kozanecki; E. Lançon; M. C. Lemaire; E. Locci; P. Perez; J. Rander; J. F. Renardy; A. Roussarie; J. P. Schuller; J. Schwindling; A. Trabelsi; B. Vallage; N. Konstantinidis; A. M. Litke; G. Taylor; C. N. Booth; S. Cartwright; F. Combley; M. Lehto; L. F. Thompson; K. Affholderbach; A. Böhrer; S. Brandt; C. Grupen; A. Ngac; G. Prange; U. Sieler; G. Giannini; J. Rothberg; S. R. Armstrong; K. Cranmer; P. Elmer; D. P.S. Ferguson; Y. Gao; S. González; O. J. Hayes; H. Hu; S. Jin; J. Kile; P. A. McNamara; J. Nielsen; W. Orejudos; Y. B. Pan; Y. Saadi; I. J. Scott; J. Walsh; W. Sau Lan; X. Wu; G. Zobernig

doi:10.1016/S0370-2693(01)00690-6

Study of the fragmentation of b quarks into B mesons at the Z peak

A. Heister, S. Schael, R. Barate, I. de Bonis, D. Decamp, C. Goy, J. P. Lees, E. Merle, M. N. Minard, B. Pietrzyk, S. Bravo, M. P. Casado, M. Chmeissani, J. M. Crespo, E. Fernandez, M. Fernandez-Bosman, L. Garrido, E. Graugés, M. Martinez, G. MerinoR. Miquel, L. M. Mir, A. Pacheco, H. Ruiz, A. Colaleo, D. Creanza, 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, P. Azzurri, G. Boix, O. Buchmüller, M. Cattaneo, F. Cerutti, B. Clerbaux, G. Dissertori, H. Drevermann, R. W. Forty, M. Frank, T. C. Greening, J. B. Hansen, J. Harvey, P. Janot, B. Jost, M. Kado, P. Mato, A. Moutoussi, F. Ranjard, L. Rolandi, D. Schlatter, O. Schneider, P. Spagnolo, W. Tejessy, F. Teubert, E. Tournefier, J. Ward, Z. Ajaltouni, F. Badaud, A. Falvard, P. Gay, P. Henrard, J. Jousset, B. Michel, S. Monteil, J. C. Montret, D. Pallin, P. Perret, F. Podlyski, J. D. Hansen, J. R. Hansen, P. H. Hansen, B. S. Nilsson, A. Wäänänen, A. Kyriakis, C. Markou, E. Simopoulou, A. Vayaki, K. Zachariadou, A. Blondel, G. Bonneaud, J. C. Brient, A. Rougé, M. Rumpf, M. Swynghedauw, M. Verderi, H. Videau, V. Ciulli, E. Focardi, G. Parrini, A. Antonelli, M. Antonelli, G. Bencivenni, G. Bologna, F. Bossi, P. Campana, G. Capon, V. Chiarella, P. Laurelli, G. Mannocchi, F. Murtas, G. P. Murtas, L. Passalacqua, M. Pepe-Altarelli, A. W. Halley, J. G. Lynch, P. Negus, V. O'Shea, C. Raine, A. S. Thompson, S. Wasserbaech, R. Cavanaugh, S. Dhamotharan, C. Geweniger, P. Hanke, G. Hansper, V. Hepp, E. E. Kluge, A. Putzer, J. Sommer, K. Tittel, S. Werner, M. Wunsch, R. Beuselinck, D. M. Binnie, W. Cameron, P. J. Dornan, M. Girone, N. Marinelli, J. K. Sedgbeer, J. C. Thompson, V. M. Ghete, P. Girtler, E. Kneringer, D. Kuhn, G. Rudolph, E. Bouhova-Thacker, C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes, R. W.L. Jones, M. R. Pearson, N. A. Robertson, I. Giehl, K. Jakobs, K. Kleinknecht, G. Quast, B. Renk, E. Rohne, H. G. Sander, H. Wachsmuth, C. Zeitnitz, A. Bonissent, J. Carr, P. Coyle, O. Leroy, P. Payre, D. Rousseau, M. Talby, M. Aleppo, F. Ragusa, A. David, H. Dietl, G. Ganis, K. Hüttmann, G. Lütjens, C. Mannert, W. Männer, H. G. Moser, R. Settles, H. Stenzel, W. Wiedenmann, G. Wolf, J. Boucrot, O. Callot, M. Davier, L. Duflot, J. F. Grivaz, P. Heusse, A. Jacholkowska, J. Lefrançois, J. J. Veillet, I. Videau, C. Yuan, G. Bagliesi, T. Boccali, G. Calderini, L. Foà, A. Giammanco, A. Giassi, F. Ligabue, A. Messineo, F. Palla, G. Sanguinetti, A. Sciabà, G. Sguazzoni, R. Tenchini, A. Venturi, P. G. Verdini, G. A. Blair, G. Cowan, M. G. Green, T. Medcalf, A. Misiejuk, J. A. Strong, P. Teixeira-Dias, J. H. von Wimmersperg-Toeller, R. W. Clifft, T. R. Edgecock, P. R. Norton, I. R. Tomalin, B. Bloch-Devaux, P. Colas, S. Emery, W. Kozanecki, E. Lançon, M. C. Lemaire, E. Locci, P. Perez, J. Rander, J. F. Renardy, A. Roussarie, J. P. Schuller, J. Schwindling, A. Trabelsi, B. Vallage, N. Konstantinidis, A. M. Litke, G. Taylor, C. N. Booth, S. Cartwright, F. Combley, M. Lehto, L. F. Thompson, K. Affholderbach, A. Böhrer, S. Brandt, C. Grupen, A. Ngac, G. Prange, U. Sieler, G. Giannini, J. Rothberg, S. R. Armstrong, K. Cranmer, P. Elmer, D. P.S. Ferguson, Y. Gao, S. González, O. J. Hayes, H. Hu, S. Jin, J. Kile, P. A. McNamara, J. Nielsen, W. Orejudos, Y. B. Pan, Y. Saadi, I. J. Scott, J. Walsh, W. Sau Lan, X. Wu, G. Zobernig

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

Abstract

The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruction of B → lvD^(*) decays is performed, by combining lepton candidates with fully reconstructed D^(*) mesons while the neutrino energy is estimated from the missing energy of the event. The mean value of x_B^wd, the energy of the weakly-decaying B meson normalised to the beam energy, is found to be (x_B^wd) = 0.716 ± 0.006 (stat) ± 0.006 (syst), using a model-independent method; the corresponding value for the energy of the leading B meson is (x_B^L) 0.736 ± 0.006 (stat) ± 0.006 (syst). The reconstructed spectra are compared with different fragmentation models.

Original language	English (US)
Pages (from-to)	30-48
Number of pages	19
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	512
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(01)00690-6
State	Published - Jul 12 2001

ASJC Scopus subject areas

Nuclear and High Energy Physics

Access to Document

10.1016/S0370-2693(01)00690-6

Cite this

Heister, A., Schael, S., Barate, R., de Bonis, I., Decamp, D., Goy, C., Lees, J. P., Merle, E., Minard, M. N., Pietrzyk, B., Bravo, S., Casado, M. P., Chmeissani, M., Crespo, J. M., Fernandez, E., Fernandez-Bosman, M., Garrido, L., Graugés, E., Martinez, M., ... Zobernig, G. (2001). Study of the fragmentation of b quarks into B mesons at the Z peak. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 512(1-2), 30-48. https://doi.org/10.1016/S0370-2693(01)00690-6

Heister, A, Schael, S, Barate, R, de Bonis, I, Decamp, D, Goy, C, Lees, JP, Merle, E, Minard, MN, Pietrzyk, B, Bravo, S, Casado, MP, Chmeissani, M, Crespo, JM, Fernandez, E, Fernandez-Bosman, M, Garrido, L, Graugés, E, Martinez, M, Merino, G, Miquel, R, Mir, LM, Pacheco, A, Ruiz, H, Colaleo, A, Creanza, D, 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, Azzurri, P, Boix, G, Buchmüller, O, Cattaneo, M, Cerutti, F, Clerbaux, B, Dissertori, G, Drevermann, H, Forty, RW, Frank, M, Greening, TC, Hansen, JB, Harvey, J, Janot, P, Jost, B, Kado, M, Mato, P, Moutoussi, A, Ranjard, F, Rolandi, L, Schlatter, D, Schneider, O, Spagnolo, P, Tejessy, W, Teubert, F, Tournefier, E, Ward, J, Ajaltouni, Z, Badaud, F, Falvard, A, Gay, P, Henrard, P, Jousset, J, Michel, B, Monteil, S, Montret, JC, Pallin, D, Perret, P, Podlyski, F, Hansen, JD, Hansen, JR, Hansen, PH, Nilsson, BS, Wäänänen, A, Kyriakis, A, Markou, C, Simopoulou, E, Vayaki, A, Zachariadou, K, Blondel, A, Bonneaud, G, Brient, JC, Rougé, A, Rumpf, M, Swynghedauw, M, Verderi, M, Videau, H, Ciulli, V, Focardi, E, Parrini, G, Antonelli, A, Antonelli, M, Bencivenni, G, Bologna, G, Bossi, F, Campana, P, Capon, G, Chiarella, V, Laurelli, P, Mannocchi, G, Murtas, F, Murtas, GP, Passalacqua, L, Pepe-Altarelli, M, Halley, AW, Lynch, JG, Negus, P, O'Shea, V, Raine, C, Thompson, AS, Wasserbaech, S, Cavanaugh, R, Dhamotharan, S, Geweniger, C, Hanke, P, Hansper, G, Hepp, V, Kluge, EE, Putzer, A, Sommer, J, Tittel, K, Werner, S, Wunsch, M, Beuselinck, R, Binnie, DM, Cameron, W, Dornan, PJ, Girone, M, Marinelli, N, Sedgbeer, JK, Thompson, JC, Ghete, VM, Girtler, P, Kneringer, E, Kuhn, D, Rudolph, G, Bouhova-Thacker, E, Bowdery, CK, Finch, AJ, Foster, F, Hughes, G, Jones, RWL, Pearson, MR, Robertson, NA, Giehl, I, Jakobs, K, Kleinknecht, K, Quast, G, Renk, B, Rohne, E, Sander, HG, Wachsmuth, H, Zeitnitz, C, Bonissent, A, Carr, J, Coyle, P, Leroy, O, Payre, P, Rousseau, D, Talby, M, Aleppo, M, Ragusa, F, David, A, Dietl, H, Ganis, G, Hüttmann, K, Lütjens, G, Mannert, C, Männer, W, Moser, HG, Settles, R, Stenzel, H, Wiedenmann, W, Wolf, G, Boucrot, J, Callot, O, Davier, M, Duflot, L, Grivaz, JF, Heusse, P, Jacholkowska, A, Lefrançois, J, Veillet, JJ, Videau, I, Yuan, C, Bagliesi, G, Boccali, T, Calderini, G, Foà, L, Giammanco, A, Giassi, A, Ligabue, F, Messineo, A, Palla, F, Sanguinetti, G, Sciabà, A, Sguazzoni, G, Tenchini, R, Venturi, A, Verdini, PG, Blair, GA, Cowan, G, Green, MG, Medcalf, T, Misiejuk, A, Strong, JA, Teixeira-Dias, P, von Wimmersperg-Toeller, JH, Clifft, RW, Edgecock, TR, Norton, PR, Tomalin, IR, Bloch-Devaux, B, Colas, P, Emery, S, Kozanecki, W, Lançon, E, Lemaire, MC, Locci, E, Perez, P, Rander, J, Renardy, JF, Roussarie, A, Schuller, JP, Schwindling, J, Trabelsi, A, Vallage, B, Konstantinidis, N, Litke, AM, Taylor, G, Booth, CN, Cartwright, S, Combley, F, Lehto, M, Thompson, LF, Affholderbach, K, Böhrer, A, Brandt, S, Grupen, C, Ngac, A, Prange, G, Sieler, U, Giannini, G, Rothberg, J, Armstrong, SR, Cranmer, K, Elmer, P, Ferguson, DPS, Gao, Y, González, S, Hayes, OJ, Hu, H, Jin, S, Kile, J, McNamara, PA, Nielsen, J, Orejudos, W, Pan, YB, Saadi, Y, Scott, IJ, Walsh, J, Sau Lan, W, Wu, X & Zobernig, G 2001, 'Study of the fragmentation of b quarks into B mesons at the Z peak', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 512, no. 1-2, pp. 30-48. https://doi.org/10.1016/S0370-2693(01)00690-6

@article{8497bb92c16b4b52a4f6f51388bdd007,

title = "Study of the fragmentation of b quarks into B mesons at the Z peak",

abstract = "The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruction of B → lvD(*) decays is performed, by combining lepton candidates with fully reconstructed D(*) mesons while the neutrino energy is estimated from the missing energy of the event. The mean value of xBwd, the energy of the weakly-decaying B meson normalised to the beam energy, is found to be (xBwd) = 0.716 ± 0.006 (stat) ± 0.006 (syst), using a model-independent method; the corresponding value for the energy of the leading B meson is (xBL) 0.736 ± 0.006 (stat) ± 0.006 (syst). The reconstructed spectra are compared with different fragmentation models.",

author = "A. Heister and S. Schael and R. Barate and {de Bonis}, I. and D. Decamp and C. Goy and Lees, {J. P.} and E. Merle and Minard, {M. N.} and B. Pietrzyk 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 E. Graug{\'e}s and M. Martinez and G. Merino and R. Miquel and Mir, {L. M.} and A. Pacheco and H. Ruiz and A. Colaleo and D. Creanza 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 P. Azzurri and G. Boix and O. Buchm{\"u}ller and M. Cattaneo and F. Cerutti and B. Clerbaux and G. Dissertori and H. Drevermann and Forty, {R. W.} and M. Frank and Greening, {T. C.} and Hansen, {J. B.} and J. Harvey 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 O. Schneider and P. Spagnolo and W. Tejessy and F. Teubert and E. Tournefier and J. Ward and Z. Ajaltouni and F. Badaud and A. Falvard and P. Gay and P. Henrard and J. Jousset and B. Michel and S. Monteil and Montret, {J. C.} and D. Pallin and P. Perret and F. Podlyski and Hansen, {J. D.} and Hansen, {J. R.} and Hansen, {P. H.} and Nilsson, {B. S.} and A. W{\"a}{\"a}n{\"a}nen and A. Kyriakis and C. Markou and E. Simopoulou and A. Vayaki and K. Zachariadou and A. Blondel and G. Bonneaud and Brient, {J. C.} and A. Roug{\'e} and M. Rumpf and M. Swynghedauw and M. Verderi and H. Videau and V. Ciulli and E. Focardi and G. Parrini and A. Antonelli and M. Antonelli and G. Bencivenni and G. Bologna and F. Bossi and P. Campana and G. Capon and V. Chiarella and P. Laurelli and G. Mannocchi and F. Murtas and Murtas, {G. P.} and L. Passalacqua and M. Pepe-Altarelli and Halley, {A. W.} and Lynch, {J. G.} and P. Negus and V. O'Shea and C. Raine and Thompson, {A. S.} and S. Wasserbaech and R. Cavanaugh and S. Dhamotharan and C. Geweniger and P. Hanke and G. Hansper and V. Hepp and Kluge, {E. E.} and A. Putzer and J. Sommer and K. Tittel and S. Werner and M. Wunsch and R. Beuselinck and Binnie, {D. M.} and W. Cameron and Dornan, {P. J.} and M. Girone and N. Marinelli and Sedgbeer, {J. K.} and Thompson, {J. C.} 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 Finch, {A. J.} and F. Foster and G. Hughes and Jones, {R. W.L.} and Pearson, {M. R.} and Robertson, {N. A.} and I. Giehl and K. Jakobs and K. Kleinknecht and G. Quast and B. Renk and E. Rohne and Sander, {H. G.} and H. Wachsmuth and C. Zeitnitz and A. Bonissent and J. Carr and P. Coyle and O. Leroy and P. Payre and D. Rousseau and M. Talby and M. Aleppo and F. Ragusa and A. David and H. Dietl and G. Ganis and K. H{\"u}ttmann and G. L{\"u}tjens and C. Mannert and W. M{\"a}nner and Moser, {H. G.} and R. Settles and H. Stenzel and W. Wiedenmann 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 J. Lefran{\c c}ois and Veillet, {J. J.} and I. Videau and C. Yuan and G. Bagliesi and T. Boccali and G. Calderini 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 G. Sguazzoni and R. Tenchini and A. Venturi and Verdini, {P. G.} and Blair, {G. A.} and G. Cowan and Green, {M. G.} and T. Medcalf and A. Misiejuk and Strong, {J. A.} and P. Teixeira-Dias and {von Wimmersperg-Toeller}, {J. H.} and Clifft, {R. W.} and Edgecock, {T. R.} and Norton, {P. R.} and Tomalin, {I. R.} and B. Bloch-Devaux and P. Colas and S. Emery and W. Kozanecki and E. Lan{\c c}on and Lemaire, {M. C.} and E. Locci and P. Perez and J. Rander and Renardy, {J. F.} and A. Roussarie and Schuller, {J. P.} and J. Schwindling and A. Trabelsi and B. Vallage and N. Konstantinidis and Litke, {A. M.} and G. Taylor and Booth, {C. N.} and S. Cartwright and F. Combley and M. Lehto and Thompson, {L. F.} and K. Affholderbach and A. B{\"o}hrer and S. Brandt and C. Grupen and A. Ngac and G. Prange and U. Sieler and G. Giannini and J. Rothberg and Armstrong, {S. R.} and K. Cranmer and P. Elmer 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 W. Orejudos and Pan, {Y. B.} and Y. Saadi and Scott, {I. J.} and J. Walsh and {Sau Lan}, W. and X. Wu and G. Zobernig",

year = "2001",

month = jul,

day = "12",

doi = "10.1016/S0370-2693(01)00690-6",

language = "English (US)",

volume = "512",

pages = "30--48",

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

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "1-2",

}

TY - JOUR

T1 - Study of the fragmentation of b quarks into B mesons at the Z peak

AU - Heister, A.

AU - Schael, S.

AU - Barate, R.

AU - de Bonis, I.

AU - Decamp, D.

AU - Goy, C.

AU - Lees, J. P.

AU - Merle, E.

AU - Minard, M. N.

AU - Pietrzyk, 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 - Graugés, E.

AU - Martinez, M.

AU - Merino, G.

AU - Miquel, R.

AU - Mir, L. M.

AU - Pacheco, A.

AU - Ruiz, H.

AU - Colaleo, A.

AU - Creanza, D.

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.

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PY - 2001/7/12

Y1 - 2001/7/12

N2 - The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruction of B → lvD(*) decays is performed, by combining lepton candidates with fully reconstructed D(*) mesons while the neutrino energy is estimated from the missing energy of the event. The mean value of xBwd, the energy of the weakly-decaying B meson normalised to the beam energy, is found to be (xBwd) = 0.716 ± 0.006 (stat) ± 0.006 (syst), using a model-independent method; the corresponding value for the energy of the leading B meson is (xBL) 0.736 ± 0.006 (stat) ± 0.006 (syst). The reconstructed spectra are compared with different fragmentation models.

AB - The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruction of B → lvD(*) decays is performed, by combining lepton candidates with fully reconstructed D(*) mesons while the neutrino energy is estimated from the missing energy of the event. The mean value of xBwd, the energy of the weakly-decaying B meson normalised to the beam energy, is found to be (xBwd) = 0.716 ± 0.006 (stat) ± 0.006 (syst), using a model-independent method; the corresponding value for the energy of the leading B meson is (xBL) 0.736 ± 0.006 (stat) ± 0.006 (syst). The reconstructed spectra are compared with different fragmentation models.

UR - http://www.scopus.com/inward/record.url?scp=0035849957&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035849957&partnerID=8YFLogxK

U2 - 10.1016/S0370-2693(01)00690-6

DO - 10.1016/S0370-2693(01)00690-6

M3 - Article

AN - SCOPUS:0035849957

SN - 0370-2693

VL - 512

SP - 30

EP - 48

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 - 1-2

ER -

Study of the fragmentation of b quarks into B mesons at the Z peak

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