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Search for B-s(0)-(B-s(0))over-bar oscillations and a measurement of B-d(0)-(B-d(0))over-bar oscillations using events with an inclusively reconstructed vertex

Abdallah, J; Abreu, P; Adam, W; Adzic, P; Albrecht, T; Alderweireld, T; Alemany-Fernandez, R; Allmendinger, T; Allport, PP and Amaldi, U, et al. (2003) In European Physical Journal C. Particles and Fields 28(2). p.155-173
Abstract
Neutral B meson oscillations in the B-s(0) - <(B-s(0))over bar>, and B-d(0) - <(B-d(0))over bar> systems were studied using a sample of about 4.0 million hadronic Z decays recorded by the DELPHI detector between 1992 and 2000. Events with a high transverse momentum lepton were removed and a sample of 770 k events with an inclusively reconstructed vertex was selected. The mass difference between the two physical states in the B-d(0) - <(B-d(0))over bar>system was measured to be: Deltam(d) = (0.531 +/- 0.025(stat.) +/- 0.007(syst.))ps(-1). The following limit on the width difference of these states was also obtained: DeltaGamma(Bd)/Gamma(Bd) < 0.18 at 95% CL. As no evidence for B-s(0) -<(B-s(0))over bar>... (More)
Neutral B meson oscillations in the B-s(0) - <(B-s(0))over bar>, and B-d(0) - <(B-d(0))over bar> systems were studied using a sample of about 4.0 million hadronic Z decays recorded by the DELPHI detector between 1992 and 2000. Events with a high transverse momentum lepton were removed and a sample of 770 k events with an inclusively reconstructed vertex was selected. The mass difference between the two physical states in the B-d(0) - <(B-d(0))over bar>system was measured to be: Deltam(d) = (0.531 +/- 0.025(stat.) +/- 0.007(syst.))ps(-1). The following limit on the width difference of these states was also obtained: DeltaGamma(Bd)/Gamma(Bd) < 0.18 at 95% CL. As no evidence for B-s(0) -<(B-s(0))over bar> oscillations was found, a limit on the mass difference of the two physical states was given:, Deltam(s) > 5.0 ps(-1) at 95% CL. The corresponding sensitivity of this analysis is equal to 6.6 ps(-1). (Less)
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European Physical Journal C. Particles and Fields
volume
28
issue
2
pages
155 - 173
publisher
Springer
external identifiers
  • wos:000183873000001
  • scopus:0038609667
ISSN
1434-6044
DOI
10.1140/epjc/s2003-01183-7
language
English
LU publication?
yes
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540bfe90-ad55-46ff-8a19-cba00394a935 (old id 307232)
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2007-08-21 10:19:48
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2018-08-26 04:19:45
@article{540bfe90-ad55-46ff-8a19-cba00394a935,
  abstract     = {Neutral B meson oscillations in the B-s(0) - &lt;(B-s(0))over bar&gt;, and B-d(0) - &lt;(B-d(0))over bar&gt; systems were studied using a sample of about 4.0 million hadronic Z decays recorded by the DELPHI detector between 1992 and 2000. Events with a high transverse momentum lepton were removed and a sample of 770 k events with an inclusively reconstructed vertex was selected. The mass difference between the two physical states in the B-d(0) - &lt;(B-d(0))over bar&gt;system was measured to be: Deltam(d) = (0.531 +/- 0.025(stat.) +/- 0.007(syst.))ps(-1). The following limit on the width difference of these states was also obtained: DeltaGamma(Bd)/Gamma(Bd) &lt; 0.18 at 95% CL. As no evidence for B-s(0) -&lt;(B-s(0))over bar&gt; oscillations was found, a limit on the mass difference of the two physical states was given:, Deltam(s) &gt; 5.0 ps(-1) at 95% CL. The corresponding sensitivity of this analysis is equal to 6.6 ps(-1).},
  author       = {Abdallah, J and Abreu, P and Adam, W and Adzic, P and Albrecht, T and Alderweireld, T and Alemany-Fernandez, R and Allmendinger, T and Allport, PP and Amaldi, U and Amapane, N and Amato, S and Anashkin, E and Andreazza, A and Andringa, S and Anjos, N and Antilogus, P and Apel, WD and Arnoud, Y and Ask, Stefan and Asman, B and Augustin, JE and Augustinus, A and Baillon, P and Ballestrero, A and Bambade, P and Barbier, R and Bardin, D and Barker, G and Baroncelli, A and Battaglia, M and Baubillier, M and Becks, KH and Begalli, M and Behrmann, A and Ben-Haim, E and Benekos, N and Benvenuti, A and Berat, C and Berggren, M and Berntzon, L and Bertrand, D and Besancon, M and Besson, N and Bloch, D and Blom, M and Bluj, M and Bonesini, M and Boonekamp, M and Booth, PSL and Borisov, G and Botner, O and Bouquet, B and Bowcock, TJV and Boyko, I and Bracko, M and Brenner, R and Brodet, E and Bruckman, P and Brunet, JM and Bugge, L and Buschmann, P and Calvi, M and Camporesi, T and Canale, V and Carena, F and Castro, N and Cavallo, F and Chapkin, M and Charpentier, P and Checchia, P and Chierici, R and Chliapnikov, P and Chudoba, J and Chung, SU and Cieslik, K and Collins, P and Contri, R and Cosme, G and Cossutti, F and Costa, MJ and Crawley, B and Crennell, D and Cuevas, J and D'Hondt, J and Dalmau, J and da Silva, T and Da Silva, W and Della Ricca, G and De Angelis, A and De Boer, W and De Clercq, C and De Lotto, B and De Maria, N and De Min, A and de Paula, L and Di Ciaccio, L and Di Simone, A and Doroba, K and Drees, J and Dris, M and Eigen, G and Ekelof, T and Ellert, M and Elsing, M and Santos, MCE and Fanourakis, G and Fassouliotis, D and Feindt, M and Fernandez, J and Ferrer, A and Ferro, F and Flagmeyer, U and Foeth, H and Fokitis, E and Fulda-Quenzer, F and Fuster, J and Gandelman, M and Garcia, C and Gavillet, P and Gazis, E and Geralis, T and Gokieli, R and Golob, B and Ceballos, GG and Goncalves, P and Graziani, E and Grosdidier, G and Grzelak, 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A and Martinez-Rivero, C and Masik, J and Mastroyiannopoulos, N and Matorras, F and Matteuzzi, C and Mazzucato, F and Mazzucato, M and Mc Nulty, R and Meroni, C and Meyer, WT and Migliore, E and Mitaroff, W and Mjoernmark, U and Moa, T and Moch, M and Moenig, K and Monge, R and Montenegro, J and Moraes, D and Moreno, S and Morettini, P and Mueller, U and Muenich, K and Mulders, M and Mundim, L and Murray, W and Muryn, B and Myatt, G and Myklebust, T and Nassiakou, M and Navarria, F and Nawrocki, K and Nicolaidou, R and Nikolenko, M and Oblakowska-Mucha, A and Obraztsov, V and Olshevski, A and Onofre, A and Orava, R and Osterberg, K and Ouraou, A and Oyanguren, A and Paganoni, M and Paiano, S and Palacios, JP and Palka, H and Papadopoulou, TD and Pape, L and Parkes, C and Parodi, F and Parzefall, U and Passeri, A and Passon, O and Peralta, L and Perepelitsa, V and Perrotta, A and Petrolini, A and Piedra, J and Pieri, L and Pierre, F and Pimenta, M and Piotto, E and Podobnik, T and Poireau, V and Pol, ME and Polok, G and Poropat, P and Pozdniakov, V and Pukhaeva, N and Pullia, A and Rames, J and Ramler, L and Read, A and Rebecchi, P and Rehn, J and Reid, D and Reinhardt, R and Renton, P and Richard, F and Ridky, J and Rivero, M and Rodriguez, D and Romero, A and Ronchese, P and Rosenberg, E and Roudeau, P and Rovelli, T and Ruhlmann-Kleider, V and Ryabtchikov, D and Sadovsky, A and Salmi, L and Salt, J and Savoy-Navarro, A and Schwickerath, U and Segar, A and Sekulin, R and Siebel, M and Sisakian, A and Smadja, G and Smirnova, Oxana and Sokolov, A and Sopczak, A and Sosnowski, R and Spassov, T and Stanitzki, M and Stocchi, A and Strauss, J and Stugu, B and Szczekowski, M and Szeptycka, M and Szumlak, T and Tabarelli, T and Taffard, AC and Tegenfeldt, F and Timmermans, J and Tkatchev, L and Tobin, M and Todorovova, S and Tomaradze, A and Tome, B and Tonazzo, A and Tortosa, P and Travnicek, P and Treille, D and Tristram, G and Trochimczuk, M and Troncon, C and Turluer, ML and Tyapkin, IA and Tyapkin, P and Tzamarias, S and Uvarov, V and Valenti, G and Van Dam, P and Van Eldik, J and Van Lysebetten, A and van Remortel, N and Van Vulpen, I and Vegni, G and Veloso, F and Venus, W and Verbeure, F and Verdier, P and Verzi, V and Vilanova, D and Vitale, L and Vrba, V and Wahlen, H and Washbrook, AJ and Weiser, C and Wicke, D and Wickens, J and Wilkinson, G and Winter, M and Witek, M and Yushchenko, O and Zalewska, A and Zalewski, P and Zavrtanik, D and Zimin, NI and Zintchenko, A and Zupan, M},
  issn         = {1434-6044},
  language     = {eng},
  number       = {2},
  pages        = {155--173},
  publisher    = {Springer},
  series       = {European Physical Journal C. Particles and Fields},
  title        = {Search for B-s(0)-(B-s(0))over-bar oscillations and a measurement of B-d(0)-(B-d(0))over-bar oscillations using events with an inclusively reconstructed vertex},
  url          = {http://dx.doi.org/10.1140/epjc/s2003-01183-7},
  volume       = {28},
  year         = {2003},
}