Search for pentaquark states in Z decays

S. Schael; R. Barate; R. Brunelière; I. de Bonis; D. Decamp; C. Goy; S. Jézéquel; 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; 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; 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. C. Kraan; B. S. Nilsson; A. Kyriakis; C. Markou; E. Simopoulou; A. Vayaki; K. Zachariadou; A. Blondel; J. C. Brient; F. Machefert; A. Rougé; H. Videau; V. Ciulli; E. Focardi; G. Parrini; A. Antonelli; M. Antonelli; G. Bencivenni; F. Bossi; G. Capon; F. Cerutti; 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; A. Putzer; H. Stenzel; K. Tittel; M. Wunsch; R. Beuselinck; W. Cameron; G. Davies; P. J. Dornan; M. Girone; 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; G. Leibenguth; V. Lemaitre; U. Blumenschein; F. Hrölldorfer; 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; 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; 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/j.physletb.2004.08.021

Search for pentaquark states in Z decays

S. Schael, R. Barate, R. Brunelière, I. de Bonis, D. Decamp, C. Goy, S. Jézéquel, 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. GarridoM. 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, 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, 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. C. Kraan, B. S. Nilsson, A. Kyriakis, C. Markou, E. Simopoulou, A. Vayaki, K. Zachariadou, A. Blondel, J. C. Brient, F. Machefert, A. Rougé, H. Videau, V. Ciulli, E. Focardi, G. Parrini, A. Antonelli, M. Antonelli, G. Bencivenni, F. Bossi, G. Capon, F. Cerutti, 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, A. Putzer, H. Stenzel, K. Tittel, M. Wunsch, R. Beuselinck, W. Cameron, G. Davies, P. J. Dornan, M. Girone, 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, G. Leibenguth, V. Lemaitre, U. Blumenschein, F. Hrölldorfer, 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, 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, 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

68 Scopus citations

Abstract

Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. At 95% C.L., upper limits are set on the production rates N of such particles and their charge-conjugate state per Z decay: N _Θ(1535)+·BR(Θ(1535)⁺→pK _S⁰)<6.2×10^-4, N _Ε(1862)-·BR(Ε(1862)^-→Ε ^-π^-)<4.5×10^-4, N _Ε(1862)0·BR(Ε(1862)⁰→Ε ^-π⁺)<8.9×10^-4, N _Θc(3100)0·BR(Θ_c(3100) ⁰→D*^-p)<6.3×10^-4, N _Θc(3100)0·BR(Θ_c(3100) ⁰→D^-p)<31×10^-4.

Original language	English
Pages (from-to)	1-16
Number of pages	16
Journal	Physics Letters B
Volume	599
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2004.08.021
State	Published - Oct 7 2004
Externally published	Yes

Funding

Supported by the Direction des Sciences de la Matière, C.E.A. 22 Supported by the US Department of Energy, grant DE-FG03-92ER40689. 32 10 Supported by the US Department of Energy, grant DE-FG0295-ER40896.

Access to Document

10.1016/j.physletb.2004.08.021

Cite this

Schael, S., Barate, R., Brunelière, R., de Bonis, I., Decamp, D., Goy, C., Jézéquel, 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., Fernandez-Bosman, M., ... Dissertori, G. (2004). Search for pentaquark states in Z decays. Physics Letters B, 599(1-2), 1-16. https://doi.org/10.1016/j.physletb.2004.08.021

@article{4f93968611c744f580d9c8c192c666df,

title = "Search for pentaquark states in Z decays",

abstract = "Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. At 95% C.L., upper limits are set on the production rates N of such particles and their charge-conjugate state per Z decay: N Θ(1535)+·BR(Θ(1535)+→pK S0)<6.2×10-4, N Ε(1862)-·BR(Ε(1862)-→Ε -π-)<4.5×10-4, N Ε(1862)0·BR(Ε(1862)0→Ε -π+)<8.9×10-4, N Θc(3100)0·BR(Θc(3100) 0→D*-p)<6.3×10-4, N Θc(3100)0·BR(Θc(3100) 0→D-p)<31×10-4.",

author = "S. Schael and R. Barate and R. Bruneli{\`e}re and {de Bonis}, I. and D. Decamp and C. Goy and S. J{\'e}z{\'e}quel 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 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 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 Kraan, {A. C.} 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 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 F. Cerutti 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 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 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 G. Leibenguth and V. Lemaitre and U. Blumenschein and F. Hr{\"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 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 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 = "2004",

month = oct,

day = "7",

doi = "10.1016/j.physletb.2004.08.021",

language = "English",

volume = "599",

pages = "1--16",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

Schael, S, Barate, R, Brunelière, R, de Bonis, I, Decamp, D, Goy, C, Jézéquel, 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, 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, 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, AC, Nilsson, BS, Kyriakis, A, Markou, C, Simopoulou, E, Vayaki, A, Zachariadou, K, Blondel, A, Brient, JC, Machefert, F, Rougé, A, Videau, H, Ciulli, V, Focardi, E, Parrini, G, Antonelli, A, Antonelli, M, Bencivenni, G, Bossi, F, Capon, G, Cerutti, F, 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, Putzer, A, Stenzel, H, Tittel, K, Wunsch, M, Beuselinck, R, Cameron, W, Davies, G, Dornan, PJ, Girone, M, 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, Leibenguth, G, Lemaitre, V, Blumenschein, U, Hrölldorfer, 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, 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, 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 2004, 'Search for pentaquark states in Z decays', Physics Letters B, vol. 599, no. 1-2, pp. 1-16. https://doi.org/10.1016/j.physletb.2004.08.021

TY - JOUR

T1 - Search for pentaquark states in Z decays

AU - Schael, S.

AU - Barate, R.

AU - Brunelière, R.

AU - de Bonis, I.

AU - Decamp, D.

AU - Goy, C.

AU - Jézéquel, 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.

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AU - Dissertori, G.

PY - 2004/10/7

Y1 - 2004/10/7

N2 - Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. At 95% C.L., upper limits are set on the production rates N of such particles and their charge-conjugate state per Z decay: N Θ(1535)+·BR(Θ(1535)+→pK S0)<6.2×10-4, N Ε(1862)-·BR(Ε(1862)-→Ε -π-)<4.5×10-4, N Ε(1862)0·BR(Ε(1862)0→Ε -π+)<8.9×10-4, N Θc(3100)0·BR(Θc(3100) 0→D*-p)<6.3×10-4, N Θc(3100)0·BR(Θc(3100) 0→D-p)<31×10-4.

AB - Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. At 95% C.L., upper limits are set on the production rates N of such particles and their charge-conjugate state per Z decay: N Θ(1535)+·BR(Θ(1535)+→pK S0)<6.2×10-4, N Ε(1862)-·BR(Ε(1862)-→Ε -π-)<4.5×10-4, N Ε(1862)0·BR(Ε(1862)0→Ε -π+)<8.9×10-4, N Θc(3100)0·BR(Θc(3100) 0→D*-p)<6.3×10-4, N Θc(3100)0·BR(Θc(3100) 0→D-p)<31×10-4.

UR - http://www.scopus.com/inward/record.url?scp=4444349842&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2004.08.021

DO - 10.1016/j.physletb.2004.08.021

M3 - Article

AN - SCOPUS:4444349842

SN - 0370-2693

VL - 599

SP - 1

EP - 16

JO - Physics Letters B

JF - Physics Letters B

IS - 1-2

ER -

Search for pentaquark states in Z decays

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