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3. Coherent soft particle production in Z decays into three jets

Author

Abdallah, J Abreu, P Adam, W Adzic, P Albrecht, T and Alderweireld, T Alemany-Fernandez, R Allmendinger, T and Allport, PP Amaldi, U Amapane, N Amato, S Anashkin, E and Andreazza, A Andringa, S Anjos, N Antilogus, P Apel, WD Arnoud, Y Ask, S Asman, B Augustin, JE and Augustinus, A Baillon, P Ballestrero, A Bambade, P and Barbier, R Bardin, D Barker, G Baroncelli, A Battaglia, M Baubillier, M Becks, KH Begalli, M Behrmann, A and Ben-Haim, E Benekos, N Benvenuti, A Berat, C Berggren, M and Berntzon, L Bertrand, D Besancon, M Besson, N Bloch, D Blom, M Bluj, M Bonesini, M Boonekamp, M Booth, PSL Borisov, G Botner, O Bouquet, B Bowcock, TJV and Boyko, I Bracko, M Brenner, R Brodet, E Bruckman, P and Brunet, JM Bugge, L Buschmann, P Calvi, M Camporesi, T and Canale, V Carena, F Castro, N Cavallo, F Chapkin, M and Charpentier, P Checchia, P Chierici, R Chliapnikov, P and Chudoba, J Chung, SU Cieslik, K Collins, P Contri, R and Cosme, G Cossutti, E Costa, MJ Crennell, D Cuevas, J and D'Hondt, J Dalmau, J da Silva, T Da Silva, W Della Ricca, G De Angelis, A De Boer, W De Clercq, C De Lotto, B De Maria, N De Min, A de Paula, L Di Ciaccio, L Di Simone, A Doroba, K Drees, J Dris, M Eigen, G and Ekelof, T Ellert, M Elsing, M Santo, MCE Fanourakis, G and Fassouliotis, D Feindt, M Fernandez, J Ferrer, A and Ferro, F Flagmeyer, U Foeth, H Fokitis, E Fulda-Quenzer, F Fuster, J Gandelman, M Garcia, C Gavillet, P and Gazis, E Gokieli, R Golob, B Gomez-Ceballos, G and Goncalves, P Graziani, E Grosdidier, G Grzelak, K Guy, J and Haag, C Hallgren, A Hamacher, K Hamilton, K Haug, S and Hauler, R Hedberg, V Hennecke, M Herr, H Hoffman, J and Holmgren, SO Holt, PJ Houlden, MA Hultqvist, K and Jackson, JN Jarlskog, G Jarry, P Jeans, D Johansson, EK and Johansson, PD Jonsson, P Joram, C Jungermann, L and Kapusta, F Katsanevas, S Katsoufis, E Kernel, G and Kersevan, BP Kerzel, U Kiiskinen, A King, BT Kjaer, NJ and Kluit, P Kokkinias, P Kourkoumelis, C Kouznetsov, O and Krumstein, Z Kucharczyk, M Lamsa, J Leder, G Ledroit, F and Leinonen, L Leitner, R Lemonne, J Lepeltier, V and Lesiak, T Liebig, W Liko, D Lipniacka, A Lopes, JH and Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Malek, A Maltezos, S Mandl, E Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Masik, J Mastroyiannopoulos, N and Matorras, F Matteuzzi, C Mazzucato, E Mazzucato, M and McNulty, R Meroni, C Migliore, E Mitaroff, W Mjoernmark, U Moa, T Moch, M Moenig, K Monge, R Montenegro, J and Moraes, D Moreno, S Morettini, P Mueller, U Muenich, K Mulders, M Mundim, L Murray, W Muryn, B Myatt, G and Myklebust, T Nassiakou, A Navarria, E Nawrocki, K and Nicolaidou, R Nikolenko, M Oblakowska-Mucha, A Obraztsov, V and Olshevski, A Onofre, A Orava, R Osterberg, K Ouraou, A Oyanguren, A Paganoni, M Paiano, S Palacios, JP and Palka, H Papadopoulou, TD Pape, L Parkes, C Parodi, F and Parzefall, U Passeri, A Passon, O Peralta, L and Perepelitsa, V Perrotta, A Petrolini, A Piedra, J Pieri, L Pierre, F Pimenta, M Piotto, E Podobnik, T and Poireau, V Pol, ME Polok, G Poropat, P Pozdniakov, V and Pukhaeva, N Pullia, A Rames, J Ramler, L Read, A and Rebecchi, P Rehn, J Reid, D Reinhardt, R Renton, P and Richard, F Ridky, J Rivero, M Rodriguez, D Romero, A and Ronchese, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ryabtchikov, D Sadovsky, A Salmi, L Salt, J and Savoy-Navarro, A Schwickerath, U Segar, A Sekulin, R and Siebel, M Siskian, A Smadja, G Smirnova, O Sokolov, A and Sopczak, A Sosnowski, R Spassov, T Stanitzki, M and Stocchi, A Strauss, J Stugu, B Szczekowski, M Szeptycka, M Szumlak, T Tabarelli, T Taffard, AC Tegenfeldt, E and Timmermans, J Tkatchev, L Tobin, M Todorovova, S Tome, B and Tonazzo, A Tortosa, P Travnicek, P Treille, D and Tristram, G Trochimczuk, M Troncon, C Turluer, ML and Tyapkin, IA Tyapkin, P Tzamarias, S Uvarov, V Valenti, G and Van Dam, P Van Eldik, J Van Lysebetten, A van Remortel, N Van Vulpen, I Vegni, G Veloso, E Venus, W Verdier, P Verzi, V Vilanova, D Vitale, L Vrba, V Wahlen, H and Washbrook, AJ Weiser, C Wicke, D Wickens, J and Wilkinson, G Winter, M Witek, M Yushchenko, O Zalewska, A Zalewski, P Zavrtanik, D Zhuravlov, V Zimin, NI and Zintchenko, A Zupan, M

Subjects
High Energy Physics::Experiment, Nuclear Experiment
Abstract

Low-energy particle production perpendicular to the event plane in three-jet events produced in Z decays in e(+)e(-) annihilation is measured and compared to that perpendicular to the event axis in two-jet events. The topology dependence of the hadron production ratio is found to agree with a leading-order QCD prediction. This agreement and especially the need for the presence of a destructive interference term gives evidence for the coherent nature of gluon radiation. Hadron production in three-jet events is found to be directly proportional to a single topological scale function of the inter-jet angles. The slope of the dependence of the multiplicity with respect to the topological scale was measured to be 2.211 +/- 0.014(stat.) +/- 0.053(syst.) in good agreement with the expectation given by the colour-factor ratio C-A/C-F = 9/4. This result strongly supports the assumption of local parton-hadron duality, LPHD, at low hadron momentum. (C) 2004 Published by Elsevier B.V.

Published
2005

4. Considerations on the use of ear chondrocytes as donor chondrocytes for cartilage tissue engineering

Author

Osch, G. J. V. M., Mandl, E. W., Jahr, H., Koevoet, W., Nolst-Trenité, G., Jan Verhaar, Ear, Nose and Throat, and Orthopedics and Sports Medicine

Abstract

Articular cartilage is often used for research on cartilage tissue engineering. However, ear cartilage is easier to harvest, with less donor-site morbidity. The aim of this study was to evaluate whether adult human ear chondrocytes were capable of producing cartilage after expansion in monolayer culture. Cell yield per gram of cartilage was twice as high for ear than for articular cartilage. Moreover, ear chondrocytes proliferated faster. Cell proliferation could be further stimulated by the use of serum-free medium with Fibroblast Growth Factor 2 (FGF2) in stead of medium with 10% serum. To evaluate chondrogenic capacity, multiplied chondrocytes were suspended in alginate and implanted subcutaneously in athymic mice. After 8 weeks the constructs demonstrated a proteoglycan-rich matrix that contained collagen type II. Constructs of ear chondrocytes showed a faint staining for elastin. Quantitative RT-PCR revealed that expression of collagen type II was 2-fold upregulated whereas expression of collagen type I was 2-fold down regulated in ear chondrocytes expanded in serum-free medium with FGF2 compared to serum-containing medium. Expression of alkaline phosphatase and collagen type X were low indicating the absence of terminal differentiation. We conclude that ear chondrocytes can be used as donor chondrocytes for cartilage tissue engineering. Furthermore, it may proof to be a promising alternative cell source to engineer cartilage for articular repair

Published
2004

5. Inclusive b Decays to Wrong Sign Charmed mesons

Author

Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, Alemany-Fernandez, R, Allmendinger, T, Allport, PP, Amaldi, U, Amapane, N, Amato, S, Anashkin, E, Andreazza, A, Andringa, S, Anjos, N, Antilogus, P, Apel, WD, Arnoud, Y, Ask, S, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barbiery, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Behrmann, A, Ben-Haim, E, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Berntzon, L, Bertrand, D, Besancon, M, Besson, N, Bloch, D, Blom, M, Bluj, M, Bonesini, M, Boonekamp, M, Booth, PSL, Borisov, G, Botner, O, Bouquet, B, Bowcock, TJV, Boyko, I, Bracko, M, Brenner, R, Brodet, E, Bruckman, P, Brunet, JM, Bugge, L, Buschmann, P, Calvi, M, Camporesi, T, Canale, V, Carena, F, Castro, N, Cavallo, F, Chapkin, M, Charpentier, P, Checchia, P, Chierici, R, Chliapnikov, P, Chudoba, J, Chung, SU, Cieslik, K, Collins, P, Contri, R, Cosme, G, Cossutti, F, Costa, MJ, Crawley, B, Crennell, D, Cuevas, J, D'Hondt, J, Dalmau, J, da Silva, T, Da Silva, W, Della Ricca, G, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Maria, N, De Min, A, de Paula, L, Di Ciaccio, L, Di Simone, A, Doroba, K, Drees, J, Dris, M, Eigen, G, Ekelof, T, Ellert, M, Elsing, M, Santo, MCE, Fanourakis, G, Fassouliotis, D, Feindt, M, Fernandez, J, Ferrer, A, Ferro, R, Flagmeyer, U, Foeth, H, Fokitis, E, Fulda-Quenzer, F, Fuster, J, Gandelman, M, Garcia, C, Gavillet, P, Gazis, E, Geralis, T, Gokieli, R, Golob, B, Gomez-Ceballos, G, Goncalves, P, Graziani, E, Grosdider, G, Grzelak, K, Guy, J, Haag, C, Hallgren, A, Hamacher, K, Hamilton, K, Hansen, J, Haug, S, Hauler, R, Hedberg, V, Hennecke, M, Herr, H, Hoffman, J, Holmgren, SO, Holt, PJ, Houlden, MA, Hultqvist, K, Jackson, JN, Jarlskog, G, Jarry, P, Jeans, D, Johansson, EK, Johansson, PD, Jonsson, P, Joram, C, Jungermann, L, Kapusta, F, Katsanevas, S, Katsoufis, E, Kernel, G, Kersevan, BP, Kiiskinen, A, King, BT, Kjaer, NJ, Kluit, P, Kokkinias, P, Kourkoumelis, C, Kouznetsov, O, Krumstein, Z, Kucharczyk, M, Lamsa, J, Leder, G, Ledroit, F, Leinonen, L, Leitner, R, Lemonne, J, Lepeltier, V, Lesiak, T, Liebig, W, Liko, D, Lipniacka, A, Lopes, JH, Lopez, JM, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Malek, A, Maltezos, S, Mandl, E, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, JC, Mariotti, C, Markou, A, Martinez-Rivero, C, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Mazzucato, F, Mazzucato, M, Nulty, RM, Meroni, C, Meyer, WT, Migliore, E, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moenig, K, Monge, R, Montenegro, J, Moraes, D, Moreno, S, Morettini, P, Mueller, U, Muenich, K, Mulders, M, Mundim, L, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Nassiakou, M, Navarria, F, Nawrocki, K, Nicolaidou, R, Nikolenko, M, Oblakowska-Mucha, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Palacios, JP, Palka, H, Papadopoulou, TD, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Peralta, L, Perepelitsa, V, Perrotta, A, Petrolini, A, Piedra, J, Pieri, L, Pierre, R, Pimenta, M, Piotto, E, Podobnik, T, Poireau, V, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Pukhaeva, N, Pullia, A, Rames, J, Ramler, L, Read, A, Rebecchi, P, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Richard, R, Ridky, J, Rivero, M, Rodriguez, D, Romero, A, Ronchese, P, Rosenberg, E, Roudeau, P, Rovelli, T, Ruhlmann-Kleider, V, Ryabtchikov, D, Sadovsky, A, Salmi, L, Salt, J, Savoy-Navarro, A, Schwickerath, U, Schwanda, C, Segar, A, Sekulin, R, Siebel, M, Sisakian, A, Smadja, G, Smirnova, O, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Stanitzki, M, Stocchi, A, Strauss, J, Stugu, B, Szczekowski, M, Szeptycka, M, Szumlak, T, Tabarelli, T, Taffard, AC, Tegenfeldt, E, Timmermans, J, Tkatchev, L, Tobin, M, Todorovova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortosa, P, Travnicek, P, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, ML, Tyapkin, IA, Tyapkin, P, Tzamarias, S, Uvarov, V, Valenti, G, Van Dam, P, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Veloso, F, Venus, W, Verbeure, F, Verdier, P, Verzi, V, Vilanova, D, Vitale, L, Vrba, V, Wahlen, H, Washbrook, AJ, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zimin, NI, Zintchenko, A, Zupan, M, Collaboration, DELPHI, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), DELPHI, Student Lab and Education, (Astro)-Particles Physics, Faculty of Sciences, Finance, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, Alemany Fernandez, R, Allmendinger, T, Allport, P, Amaldi, U, Amapane, N, Amato, S, Anashkin, E, Andreazza, A, Andringa, S, Anjos, N, Antilogus, P, Apel, W, Arnoud, Y, Ask, S, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Ben Haim, E, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Berntzon, L, Bertrand, D, Besancon, M, Besson, N, Bloch, D, Blom, M, Bluj, M, Bonesini, M, Boonekamp, M, Booth, P, Borisov, G, Botner, O, Bouquet, B, Bowcock, T, Boyko, I, Bracko, M, Brenner, R, Brodet, E, Bruckman, P, Brunet, J, Bugge, L, Buschmann, P, Calvi, M, Camporesi, T, Canale, V, Carena, F, Castro, N, Cavallo, F, Chapkin, M, Charpentier, P, Checchia, P, Chierici, R, Chliapnikov, P, Chudoba, J, Chung, S, Cieslik, K, Collins, P, Contri, R, Cosme, G, Cossutti, F, Costa, M, Crawley, B, Crennell, D, Cuevas, J, D'Hondt, J, Dalmau, J, da Silva, T, da Silva, W, della Ricca, G, de Angelis, A, de Boer, W, de Clercq, C, de Lotto, B, de Maria, N, de Min, A, de Paula, L, di Ciaccio, L, di Simone, A, Doroba, K, Drees, J, Dris, M, Eigen, G, Ekelof, T, Ellert, M, Elsing, M, Espirito Santo, M, Fanourakis, G, Fassouliotis, D, Feindt, M, Fernandez, J, Ferrer, A, Ferro, F, Flagmeyer, U, Foeth, H, Fokitis, E, Fulda Quenzer, F, Fuster, J, Gandelman, M, Garcia, C, Gavillet, P, Gazis, E, Geralis, T, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Graziani, E, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hallgren, A, Hamacher, K, Hamilton, K, Hansen, J, Haug, S, Hauler, F, Hedberg, V, Hennecke, M, Herr, H, Hoffman, J, Holmgren, S, Holt, P, Houlden, M, Hultqvist, K, Jackson, J, Jarlskog, G, Jarry, P, Jeans, D, Johansson, E, Johansson, P, Jonsson, P, Joram, C, Jungermann, L, Kapusta, F, Katsanevas, S, Katsoufis, E, Kernel, G, Kersevan, B, Kiiskinen, A, King, B, Kjaer, N, Kluit, P, Kokkinias, P, Kourkoumelis, C, Kouznetsov, O, Krumstein, Z, Kucharczyk, M, Lamsa, J, Leder, G, Ledroit, F, Leinonen, L, Leitner, R, Lemonne, J, Lepeltier, V, Lesiak, T, Liebig, W, Liko, D, Lipniacka, A, Lopes, J, Lopez, J, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Malek, A, Maltezos, S, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Mazzucato, F, Mazzucato, M, Mc Nulty, R, Meroni, C, Meyer, W, Migliore, E, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moenig, K, Monge, R, Montenegro, J, Moraes, D, Moreno, S, Morettini, P, Mueller, U, Muenich, K, Mulders, M, Mundim, L, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Nassiakou, M, Navarria, F, Nawrocki, K, Nicolaidou, R, Nikolenko, M, Oblakowska Mucha, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Peralta, L, Perepelitsa, V, Perrotta, A, Petrolini, A, Piedra, J, Pieri, L, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Poireau, V, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Pukhaeva, N, Pullia, A, Rames, J, Ramler, L, Read, A, Rebecchi, P, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Richard, F, Ridky, J, Rivero, M, Rodriguez, D, Romero, A, Ronchese, P, Rosenberg, E, Roudeau, P, Rovelli, T, Ruhlmann Kleider, V, Ryabtchikov, D, Sadovsky, A, Salmi, L, Salt, J, Savoy Navarro, A, Schwickerath, U, Schwanda, C, Segar, A, Sekulin, R, Siebel, M, Sisakian, A, Smadja, G, Smirnova, O, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Stanitzki, M, Stocchi, A, Strauss, J, Stugu, B, Szczekowski, M, Szeptycka, M, Szumlak, T, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Timmermans, J, Tkatchev, L, Tobin, M, Todorovova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortosa, P, Travnicek, P, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Uvarov, V, Valenti, G, van Dam, P, van Eldik, J, van Lysebetten, A, van Remortel, N, van Vulpen, I, Vegni, G, Veloso, F, Venus, W, Verbeure, F, Verdier, P, Verzi, V, Vilanova, D, Vitale, L, Vrba, V, Wahlen, H, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zimin, N, Zintchenko, A, Zupan, M, DELPHI Collaboration, Delphi (IHEF, IoP, FNWI), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)

Subjects
LUND MONTE-CARLO, JET FRAGMENTATION, E+E-PHYSICS, Physics, Nuclear and High Energy Physics, Particle physics, Meson, 010308 nuclear & particles physics, FOS: Physical sciences, Rest frame, 01 natural sciences, LARGE ELECTRON POSITRON COLLIDER, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Decay time, 0103 physical sciences, PARTICLE PHYSICS, DELPHI, Physique des particules élémentaires, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Particle Physics - Experiment
Abstract

The production of wrong sign charmed mesons b → D (s)X, D (s) = (D 0, D +, D s), is studied using the data collected by the DELPHI experiment in the years 1994 and 1995. Charmed mesons in Z → bb events are exclusively reconstructed by searching for the decays D 0 → K -π +, D + → K -π +π + and D s + φπ + → K +K -π +. The wrong sign contribution is extracted by using two discriminant variables: the charge of the b-quark at decay time, estimated from the charges of identified particles, and the momentum of the charmed meson in the rest frame of the b-hadron. The inclusive branching fractions of b-hadrons into wrong sign charm mesons are measured to be: B(b → D 0X) + B(b → D -X) = (9.3 ± 1.7(stat) ± 1.3(syst) ± 0.4(B))%, B(b → D s -X) = (10.1 ± 0.4(B))%, B(b → D s -X) = (10.1 ± 1.0(stat) ± 0.6(syst) ± 2.8(B))% where the first error is statistical, the second and third errors are systematic. © 2003 Published by Elsevier Science B.V., 0, SCOPUS: ar.j, info:eu-repo/semantics/published

Published
2002
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6. Search for the B-c meson

Author

Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Agustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bolognese, T and Bonesini, M Bonivento, W Booth, PSL Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Bricman, C Brown, RCA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC and Camporesi, T Canale, V Canepa, M Cankocak, K Cao, F and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Cindro, V Collins, P and Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH and Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C and Deghorain, A DellaRicca, G Delpierre, P Demaria, N and DeAngelis, A DeBoer, W DeBrabandere, S DeClercq, C and DelaVaissiere, C DeLotto, B DeMin, A DePaula, L and DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A and Djama, F Djannati, A Dolbeau, J Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fassouliotis, D and Feindt, M Fenyuk, A Ferrer, A Fichet, S Filippas, TA and Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC and Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J and Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J and Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Gokieli, R Golob, B Gopal, G and Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Henriques, R Hernandez, JJ Herquet, P and Herr, H Hessing, TL Heuser, JM Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Klovning, A Kluit, P Koene, B Kokkinias, P Koratzinos, M and Korcyl, K Kostioukhine, V Kourkoumelis, C Kouznetsov, O and Krammer, M Kreuter, C Kronkvist, I Krumstein, Z and Krupinski, W Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW and Langefeld, P Laugier, JP Lauhakangas, R Leder, G and Ledroit, F Lefebure, V Legan, CK Leitner, R Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D and Lindner, R Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A Malmgren, TGM and Malychev, V Mandl, E Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and MartinezRivero, C MartinezVidal, F Garcia, SM Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M and McKay, R McNulty, R Medbo, J Merk, M Meroni, C and Meyer, S Meyer, WT Miagkov, A Michelotto, M Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T and Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H and Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B and Myatt, G Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P and Nomerotski, A Normand, A Novak, M OberschulteBeckmann, W and Obraztsov, V Olshevski, AG Onofre, A Orava, R Osterberg, K Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Passeri, A Pegoraro, M Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rames, J Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Richardson, J Ridky, J Rinaudo, G Ripp, I Romero, A and Roncagliolo, I Ronchese, P Roos, L Rosenberg, EI and Roudeau, P Rovelli, T Ruckstuhl, W RuhlmannKleider, V and Ruiz, A Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A and Sahr, O Sajot, G Salt, J Sanchez, J Sannino, M and Schimmelpfennig, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siegrist, P Silvestre, R Simonetti, S Simonetto, F and Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N and Smirnova, O Smith, GR Solovianov, O Sosnowski, R and SouzaSantos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G and Treille, D Tristram, G Trombini, A Troncon, C Tsirou, A and Turluer, ML Tyapkin, IA Tyndel, M Tzamarias, S and Ueberschaer, B Ullaland, O Uvarov, V VAlenti, G and Vallazza, E VanderVelde, C VanApeldoorn, GW VanDam, P and VanDoninck, WK VanEldik, J VanLysebetten, A Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, E Verlato, M and Vertogradov, LS Vilanova, D Vincent, P Vitale, L and Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Weierstall, M Weihammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G

Abstract

In a sample of 3.02 million hadronic Z(0) decays collected by the DELPHI detector, 270 J/psi –> e(+)e(-) candidates have been selected. A search for fully reconstructed B-c(+/-) mesons has yielded one B-c(+/-) –> J/psi pi(+/-) candidate, no B-c(+/-) –> J/psi e(+/-) nu(e) candidates, and one B-c(+/-) –> J/psi pi(+)pi(-)pi(+) candidate, consistent with expected background in each channel. The following 90% confidence level upper limits ate determined: Br(Z(0) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi pi(+)) < (1.05 to 0.84) x 10(-4) and Br(Z(d) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi e(+/-) nu(e)) < (5.8 to 5.0) x 10(-5), where the ranges quoted correspond to the range of predicted B-c(+/-) lifetimes from 0.4 to 1.4 ps, and Br(Z(0) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi pi(+)pi(-)pi(+/-)) < 1.75 x 10(-4), constant over the range of predicted B-c(+/-) lifetimes. (C) 1997 Elsevier Science B.V.

Published
1997

9. Inclusive b decays to wrong sign charmed mesons

Author

Abdallah, J., Blom, M.R., Drees, J., Mandl, E., Palacios, J., van der Pol, M., Siebel, M., van Dam, P.A., Zupan, M., Abdallah, J., Blom, M.R., Drees, J., Mandl, E., Palacios, J., van der Pol, M., Siebel, M., van Dam, P.A., and Zupan, M.

Published
2003
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11. Acquired encephaloceles and epilepsy in osteopetrosis.

Author

Mandl, E. S., Buis, D. R., Heimans, J. J., and Peerdeman, S. M.

Subjects
*ENCEPHALOCELE, *EPILEPSY, *OSTEOPETROSIS, *BONE resorption, *OSTEOCLASTS, *BONE diseases
Abstract

Osteopetrosis is a condition in which there is a defect in bone resorption by osteoclasts. With thickening of the skull and skull base, the cranial capacity becomes compromised and skull foramina gradually occlude, resulting in a wide range of neurological symptoms and signs. We present a case of autosomal dominant osteopetrosis with temporal lobe epilepsy and nasal obstruction due to acquired bifrontal encephaloceles associated with a decreased intracranial capacity. Neurosurgical reconstruction of the frontal skull base alleviated the symptoms of epilepsy and nasal obstruction. [ABSTRACT FROM AUTHOR]

Published
2007
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12. Study of the decay mechanism for B+ -> p(p)over-barK(+) and B+ -> p(p)over-bar pi(+)

Author

Wei, J. -T., Wang, M. -Z., Adachi, I., Aihara, H., Aulchenko, V., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bitenc, U., Bondar, A., Bozek, A., Brako, M., Browder, T. E., Chang, P., Chao, Y., Chen, A., Chen, K. -F., Cheon, B. G., Chiang, C. -C., Cho, I. -S., Choi, Y., Choi, Y. K., Cole, S., Danilov, M., Dash, M., Drutskoy, A., Eidelman, S., Fratina, S., Gabyshev, N., Golob, B., Hap, H., Haba, J., Hara, T., Hayasaka, K., Hayashii, H., Hazumi, M., Heffernan, D., Hokuue, T., Hoshi, Y., Hsiung, Y. B., Hyun, H. J., Iijima, T., Ikado, K., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Kah, D. H., Kang, J. H., Katayama, N., Kawai, H., Kawasaki, T., Kichimi, H., Kim, Y. J., Kinoshita, K., Korpar, S., Krizan, P., Krokovny, P., Kumar, R., Kuo, C. C., Kuzmin, A., Kwon, Y. -J., Lee, J. S., Lee, S. E., Lesiak, T., Lin, S. -W., Liu, Y., Liventsev, D., Mandl, E., Matsumoto, T., Matyja, A., McOnie, S., Medvedeva, T., Mitaroff, W., Miyabayashi, K., Miyake, H., Miyata, H., Miyazaki, Y., Mizuk, R., Nagasaka, Y., Nakano, E., Nakao, M., Nishida, S., Nitoh, O., Ogawa, S., Ohshima, T., Okuno, S., Olsen, S. L., Ozaki, H., Pakhlov, P., Pakhlova, G., Park, C. W., Park, H., Park, K. S., Pestotnik, R., Piilonen, L. E., Sahoo, H., Sakai, Y., Schneider, O., Schuemann, J., Seidl, R., Senyo, K., Sevior, M. E., Shapkin, M., Shibuya, H., Shiu, J. -G., Singh, J. B., Sokolov, A., Somov, A., Stanic, S., Staric, M., Sumiyoshi, T., Tajima, O., Takasaki, F., Tamai, K., Tanaka, M., Taylor, G. N., Teramoto, Y., Tian, X. C., Tikhomirov, I., Tsuboyama, T., Uehara, S., Ueno, K., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Varner, G., Varvell, K. E., Vervink, K., Villa, S., Vinokurova, A., Wang, C. C., Wang, C. H., Wang, P., Watanabe, Y., Wedd, R., Won, E., Yamaguchi, A., Yamashita, Y., Yamauchi, M., Zhang, C. C., Zhang, Z. P., Zhilich, V., and Zupanc, A.

Subjects
Baryonic B-Decays, Belle, Antibaryon, Search, High Energy Physics::Experiment, Detector
Abstract

We study the characteristics of the low mass p (p) over bar enhancements near threshold in the three-body decays B+ -> p (p) over barK(+) and B+ -> p (p) over bar pi(+). We observe that the proton polar angle distributions in the p (p) over bar helicity frame in the two decays have the opposite polarity, and measure the forward-backward asymmetries as a function of the p mass for the p (p) over barK(+) mode. We also search for the intermediate two-body decays, B+ -> (p) over bar Delta(++) and B+ -> p (Delta) over bar (0), and set upper limits on their branching fractions. These results are obtained from a 414 fb(-1) data sample that contains 449 x 10(6) B (B) over bar events collected near the Gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. (c) 2007 Elsevier B.V. All rights reserved.

13. Growth factors in cartilage tissue engineering

Author

Osch, G. J. V. M., Mandl, E. W., Marijnissen, W. J. C. M., Veen, S. W., Verwoerd-Verhoef, H. L., Jan Verhaar, Otorhinolaryngology and Head and Neck Surgery, and Orthopedics and Sports Medicine

14. Atypical transformation in sacral drop metastasis from posterior fossa choroid plexus papilloma.

Author

Stuivenvolt M, Mandl E, Verheul J, Fleischeuer R, and Tijssen CC

Subjects
Craniotomy, Female, Humans, Magnetic Resonance Imaging, Middle Aged, Neoplasm Recurrence, Local diagnosis, Papilloma, Choroid Plexus secondary, Papilloma, Choroid Plexus therapy, Spinal Neoplasms radiotherapy, Spinal Neoplasms secondary, Neoplasm Recurrence, Local radiotherapy, Papilloma, Choroid Plexus pathology, Sacrum pathology, Spinal Neoplasms pathology
Abstract

Choroid plexus papillomas (CPP) are rare tumours and spinal metastases of CPP are even less common. We report a 50-year-old woman with spinal drop metastases at Th9 and S1-2 6 years after total resection of a posterior fossa CPP. The metastasis at S1-2 was resected and histological examination showed transformation to an atypical CPP. Atypical transformation in a metastasis years after resection of a benign posterior fossa CPP has been described once. We would like to advocate craniospinal MRI at the time of initial diagnosis as well as periodic follow-up after total and subtotal resection of a posterior fossa CPP in adults at least once in 1 or 2 years, depending on the histological grading of the primary CPP. In our case report, this could have resulted in earlier diagnosis of the locoregional recurrence or of the spinal drop metastasis.

Published
2012
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15. Fibroblast growth factor-2 in serum-free medium is a potent mitogen and reduces dedifferentiation of human ear chondrocytes in monolayer culture.

Author

Mandl EW, Jahr H, Koevoet JL, van Leeuwen JP, Weinans H, Verhaar JA, and van Osch GJ

Subjects
Adult, Aggrecans, Alginates pharmacology, Animals, Cartilage physiology, Cell Differentiation drug effects, Cell Division drug effects, Cells, Cultured, Chondrocytes physiology, Chondroitin Sulfate Proteoglycans metabolism, Collagen metabolism, Extracellular Matrix Proteins metabolism, Glucuronic Acid pharmacology, Hexuronic Acids pharmacology, High Mobility Group Proteins metabolism, Humans, Lectins, C-Type, Mice, Mice, Nude, Middle Aged, Phenotype, Proteoglycans metabolism, SOX9 Transcription Factor, Tissue Engineering, Transcription Factors metabolism, Versicans, Chondrocytes cytology, Culture Media, Serum-Free pharmacology, Ear, Fibroblast Growth Factor 2 pharmacology, Mitogens pharmacology
Abstract

The loss of the differentiated phenotype (dedifferentiation) during the expansion culture of donor chondrocytes remains a large problem in cartilage tissue engineering. Dedifferentiated chondrocytes produce other matrix components and therefore the tissue produced will be of less suitable quality. Previously, the addition of fibroblast growth factor-2 (FGF2) to a serum-containing medium (SCM) during expansion culture was shown to have positive effects on the phenotype of articular chondrocytes. In the present study, we focused on a more defined, serum-free medium (SFM), to expand chondrocytes in monolayer culture for the purpose of cartilage tissue engineering. Adult human ear chondrocytes were expanded in serum-free medium supplemented with 100 ng/ml FGF2. Expansion culture in a conventional serum-containing medium (10% FCS) served as control. The cell yield during expansion culture in serum-free medium with FGF2 was significantly higher compared to serum-containing medium. In addition, chondrocytes expanded in the serum-free medium with FGF2 expressed a more differentiated phenotype at the end of monolayer culture, as indicated by higher gene expression ratios of collagen type II to collagen type I and aggrecan to versican. Also, a higher gene expression of Sox9 was found. Next, suspension in alginate and subsequent culture in vitro or subcutaneous implantation in nude mice was used to evaluate the capacity of the chondrocytes, expanded in either medium, to re-express the differentiated phenotype (redifferentiation) and to form cartilage. The observed beneficial effects of the serum-free medium with FGF2 on the chondrocyte phenotype at the end of monolayer culture were sustained on both transcriptional and extracellular level throughout both redifferentiation methods.

Published
2004
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16. [Student training and introduction to the wards].

Author

Malli M, Mandl E, Pototschnik M, Promitzer K, Pucher K, Rappold M, and Temmel B

Subjects
Humans, Clinical Competence standards, Education, Nursing, Baccalaureate methods, Mentors psychology, Nursing Theory, Students, Nursing psychology
Published
1999

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