Measurement of the cross section for open b-quark production in two-photon interactions at LEP

Schael, S.; Barate, R.; Bruneliere, R.; De Bonis, I.; Decamp, D.; Goy, C.; Jezequel, S.; Lees, J.P.; Martin, F.; Merle, E.; Minard, M.N.; Pietrzyk, B.; Trocme, B.; Bravo, S.; Casado, M.P.; Chmeissani, M.; Crespo, J.M.; 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.; Buchmueller, O.L.; Cattaneo, M.; Clerbaux, B.; Drevermann, H.; Forty, R.W.; Frank, M.; Gianotti, F.; Hansen, J.B.; Harvey, J.; Hutchcroft, D.E.; Janot, P.; Jost, B.; Kado, M.; Mato, P.; Moutoussi, A.; Ranjard, F.; Rolandi, L.; Schlatter, D.; 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, J.M.; Perret, P.; Hansen, J.D.; Hansen, J.R.; Hansen, P.H.; Kraan, A.C.; Nilsson, B.S.; Kyriakis, A.; Markou, C.; Simopoulou, E.; Vayaki, A.; Zachariadou, K.; Blondel, A.; Brient, J.C.; Machefert, F.; Roug, A.; Videau, H.L.; 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, G.P.; Passalacqua, L.; Kennedy, J.; Lynch, J.G.; Negus, P.; O'Shea, V.; Thompson, A.S.; Wasserbaech, S.; Cavanaugh, R.J.; Dhamotharan, S.; Geweniger, C.; Hanke, P.; Hepp, V.; Kluge, E.E.; Putzer, A.; Stenzel, H.; Tittel, K.; Wunsch, M.; Beuselinck, R.; Cameron, W.; Davies, G.; Dornan, P.J.; Girone, M.; Marinelli, N.; Nowell, J.; Rutherford, S.A.; Sedgbeer, J.K.; Thompson, J.C.; White, R.; Ghete, V.M.; Girtler, P.; Kneringer, E.; Kuhn, D.; Rudolph, G.; Bouhova Thacker, E.; Bowdery, C.K.; Clarke, D.P.; Ellis, G.; Finch, A.J.; Foster, F.; Hughes, G.; Jones, R.W.L.; Pearson, M.R.; Robertson, N.A.; Sloan, T.; Smizanska, M.; van der Aa, O.; Delaere, C.; Leibenguth, G.; Lemaitre, V.; Blumenschein, U.; Hoelldorfer, F.; Jakobs, K.; Kayser, F.; Mueller, A.S.; Renk, B.; Sander, H.G.; Schmeling, S.; Wachsmuth, H.W.; 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.; Huettmann, K.; Luetjens, G.; Maenner, W.; Moser, H.G.; Settles, R.; Villegas, M.; Wolf, G.; Boucrot, J.; Callot, O.; Davier, M.; Duflot, L.; Grivaz, J.F.; Heusse, P.; Jacholkowska, A.; Serin, L.; Veillet, J.J.; Azzurri, P.; Bagliesi, G.; Boccali, T.; Foa, L.; Giammanco, A.; Giassi, A.; Ligabue, F.; Messineo, A.; Palla, F.; Sanguinetti, G.; Sciaba, A.; Sguazzoni, G.; Spagnolo, P.; Tenchini, R.; Venturi, A.; Verdini, P.G.; Awunor, O.; Blair, G.A.; Cowan, G.; Garcia Bellido, A.; Green, M.G.; Medcalf, T.; Misiejuk, A.; Strong, J.A.; Teixeira Dias, P.; Clifft, R.W.; Edgecock, T.R.; Norton, P.R.; Tomalin, I.R.; Ward, J.J.; Bloch Devaux, B.; Boumediene, D.; Colas, P.; Fabbro, B.; Lancon, E.; Lemaire, M.C.; Locci, E.; Perez, P.; Rander, J.; Tuchming, B.; Vallage, B.; Litke, A.M.; Taylor, G.; Booth, C.N.; Cartwright, S.; Combley, F.; Hodgson, P.N.; Lehto, M.H.; Thompson, L.F.; Bohrer, A.; Brandt, S.; Grupen, C.; Hess, J.; Ngac, A.; Prange, G.; Borean, C.; Giannini, G.; He, H.; Putz, J.; Rothberg, J.E.; Armstrong, S.R.; Berkelman, K.; Cranmer, K.; Ferguson, D.P.S.; Gao, Y.; Gonzalez, S.; Hayes, O.J.; Hu, H.; Jin, S.; Kile, J.; Mcnamara, P.A.; Nielsen, J.; Pan, Y.B.; Von Wimmersperg Toeller, J.H.; Wiedenmann, W.; Wu, J.; S. L., W.; Wu, X.; Zobernig, G.; Dissertori, G.

doi:10.1088/1126-6708/2007/09/102

Inclusive \beauty-quark production in two-photon collisions has been measured at LEP using an integrated luminosity of $698\mathrm{pb}^{-1}\,$ collected by the ALEPH detector with $\sqrt{s}$ between 130 and 209 \GeV . The b quarks were identified using lifetime information. The cross section is found to be \[ \mathrm{ \sigma(e^+ e^- \rightarrow e^+ e^- b \bar{b}\, X) = (5.4\pm 0.8\,_{stat} \pm 0.8\,_{syst}} )\,\mathrm{pb},\] which is consistent with Next-to-Leading Order QCD.

Measurement of the cross section for open b-quark production in two-photon interactions at LEP / S. Schael, R. Barate, R. Bruneliere, I. De Bonis, D. Decamp, C. Goy, S. Jezequel, J.P. Lees, F. Martin, E. Merle, M.N. Minard, B. Pietrzyk, B. Trocme, 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.L. Buchmueller, 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, 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. Roug, H.L. 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.J. 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, T. Sloan, M. Smizanska, O. van der Aa, C. Delaere, G. Leibenguth, V. Lemaitre, U. Blumenschein, F. Hoelldorfer, K. Jakobs, F. Kayser, A.S. Mueller, B. Renk, H.G. Sander, S. Schmeling, H.W. 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. Huettmann, G. Luetjens, W. Maenner, 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. Foa, A. Giammanco, A. Giassi, F. Ligabue, A. Messineo, F. Palla, G. Sanguinetti, A. Sciaba, G. Sguazzoni, 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. Lancon, 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.H. Lehto, L.F. Thompson, A. Bohrer, S. Brandt, C. Grupen, J. Hess, A. Ngac, G. Prange, C. Borean, G. Giannini, H. He, J. Putz, J.E. Rothberg, S.R. Armstrong, K. Berkelman, K. Cranmer, D.P.S. Ferguson, Y. Gao, S. Gonzalez, 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, S.L. Wu, X. Wu, G. Zobernig, G. Dissertori. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 2007:9(2007 Sep 24), pp. 102.102.1-102.102.20. [10.1088/1126-6708/2007/09/102]

Measurement of the cross section for open b-quark production in two-photon interactions at LEP

S. Schael;R. Barate;R. Bruneliere;I. De Bonis;D. Decamp;C. Goy;S. Jezequel;J. P. Lees;F. Martin;E. Merle;M. N. Minard;B. Pietrzyk;B. Trocme;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. L. Buchmueller;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;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. Roug;H. L. 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. J. 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;T. Sloan;M. Smizanska;O. van der Aa;C. Delaere;G. Leibenguth;V. Lemaitre;U. Blumenschein;F. Hoelldorfer;K. Jakobs;F. Kayser;A. S. Mueller;B. Renk;H. G. Sander;S. Schmeling;H. W. 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. Huettmann;G. Luetjens;W. Maenner;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. Foa;A. Giammanco;A. Giassi;F. Ligabue;A. Messineo;F. Palla;G. Sanguinetti;A. Sciaba;G. Sguazzoni;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. Lancon;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. H. Lehto;L. F. Thompson;A. Bohrer;S. Brandt;C. Grupen;J. Hess;A. Ngac;G. Prange;C. Borean;G. Giannini;H. He;J. Putz;J. E. Rothberg;S. R. Armstrong;K. Berkelman;K. Cranmer;D. P. S. Ferguson;Y. Gao;S. Gonzalez;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;S. L. Wu;X. Wu;G. Zobernig;G. Dissertori

2007

Abstract

Inclusive \beauty-quark production in two-photon collisions has been measured at LEP using an integrated luminosity of $698\mathrm{pb}^{-1}\,$ collected by the ALEPH detector with $\sqrt{s}$ between 130 and 209 \GeV . The b quarks were identified using lifetime information. The cross section is found to be \[ \mathrm{ \sigma(e^+ e^- \rightarrow e^+ e^- b \bar{b}\, X) = (5.4\pm 0.8\,_{stat} \pm 0.8\,_{syst}} )\,\mathrm{pb},\] which is consistent with Next-to-Leading Order QCD.

Scheda breve

Scheda completa

Scheda completa (DC)

	Parole chiave
	
			E+-e- Experiments
		
	Settori scientifico-disciplinari dell'articolo
	
			Settore FIS/01 - Fisica Sperimentale
		
	Data di pubblicazione
	
			24-set-2007
		
	Rivista in ANCE
	
			JOURNAL OF HIGH ENERGY PHYSICS
		
	DOI
	
			https://dx.doi.org/10.1088/1126-6708/2007/09/102
		
	Tipologia
	
			Article (author)
		
	Appare nelle tipologie:
	
			01 - Articolo su periodico

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