Zγ* production in e+e- interactions at √s = 183-209 GeV

European Physical Journal C 51:3 (2007) 503-523

Authors:

J Abdallah, P Abreu, W Adam, P Adzic, T Albrecht, R Alemany-Fernandez, T Allmendinger, PP Allport, U Amaldi, N Amapane, S Amato, E Anashkin, A Andreazza, S Andringa, N Anjos, P Antilogus, WD Apel, Y Arnoud, S Ask, B Asman, JE Augustin, A Augustinus, P Baillon, A Ballestrero, P Bambade, R Barbier, D Bardin, GJ Barker, A Baroncelli, M Battaglia, M Baubillier, KH Becks, M Begalli, A Behrmann, E Ben-Haim, N Benekos, A Benvenuti, C Berat, M Berggren, D Bertrand, M Besancon, N Besson, D Bloch, M Blom, M Bluj, M Bonesini, M Boonekamp, PSL Booth, G Borisov, O Botner, B Bouquet, TJV Bowcock, I Boyko, M Bracko, R Brenner, E Brodet, P Bruckman, JM Brunet, B Buschbeck, P Buschmann, M Calvi, T Camporesi, V Canale, F Carena, N Castro, F Cavallo, M Chapkin, P Charpentier, P Checchia, R Chierici, P Chliapnikov, J Chudoba, SU Chung, K Cieslik, P Collins, R Contri, G Cosme, F Cossutti, MJ Costa, D Crennell, J Cuevas, J D'Hondt, T Da Silva, W Da Silva, G Della Ricca, A De Angelis, W De Boer, C De Clercq, B De Lotto, N De Maria, A De Min, L De Paula, L Di Ciaccio, A Di Simone, K Doroba, J Drees, G Eigen, T Ekelof, M Ellert, M Elsing

Abstract:

Measurements of Zγ* production are presented using data collected by the DELPHI detector at centre-of-mass energies ranging from 183 to 209 GeV, corresponding to an integrated luminosity of about 667 pb-1. The measurements cover a wide range of the possible final state four-fermion configurations: hadronic and leptonic (e+e-qq, μ+μ-qq̄, qqνν), fully leptonic (l +l-l'+l'-) and fully hadronic final states (qq̄, qq̄, with a low mass qq̄ pair). Measurements of the Zγ* cross-section for the various final states have been compared with the Standard Model expectations and found to be consistent within the errors. In addition, a total cross-section measurement of the l +l-l'+l'- cross-section is reported, and found to be in agreement with the prediction of the Standard Model. © 2007 Springer-Verlag / Società Italiana di Fisica.

Branching fraction measurement of (B)over-bar0D(*)+π- and B-D(*)0π- and isospin analysis of (B)over-bar → D(*)π decays

PHYSICAL REVIEW D 75:3 (2007) ARTN 031101

Authors:

B Aubert, R Barate, M Bona, D Boutigny, F Couderc, Y Karyotakis, JP Lees, V Poireau, V Tisserand, A Zghiche, E Grauges, A Palano, JC Chen, ND Qi, G Rong, P Wang, YS Zhu, G Eigen, I Ofte, B Stugu, GS Abrams, M Battaglia, DN Brown, J Button-Shafer, RN Cahn, E Charles, MS Gill, Y Groysman, RG Jacobsen, JA Kadyk, LT Kerth, Yu G Kolomensky, G Kukartsev, G Lynch, LM Mir, TJ Orimoto, M Pripstein, NA Roe, MT Ronan, WA Wenzel, P Del Amo Sanchez, M Barrett, KE Ford, TJ Harrison, AJ Hart, CM Hawkes, SE Morgan, AT Watson, T Held, H Koch, B Lewandowski, M Pelizaeus, K Peters, T Schroeder, M Steinke, JT Boyd, JP Burke, WN Cottingham, D Walker, T Cuhadar-Donszelmann, BG Fulsom, C Hearty, NS Knecht, TS Mattison, JA McKenna, A Khan, P Kyberd, M Saleem, DJ Sherwood, L Teodorescu, VE Blinov, AD Bukin, VP Druzhinin, VB Golubev, AP Onuchin, SI Serednyakov, Yu I Skovpen, EP Solodov, K Yu Todyshev, DS Best, M Bondioli, M Bruinsma, M Chao, S Curry, I Eschrich, D Kirkby, AJ Lankford, P Lund, M Mandelkern, RK Mommsen, W Roethel, DP Stoker, S Abachi, C Buchanan, SD Foulkes, JW Gary, O Long, BC Shen, K Wang, L Zhang, HK Hadavand, EJ Hill, HP Paar, S Rahatlou, V Sharma, JW Berryhill, C Campagnari, A Cunha, B Dahmes, TM Hong, D Kovalskyi, JD Richman, TW Beck, AM Eisner, CJ Flacco, CA Heusch, J Kroseberg, WS Lockman, G Nesom, T Schalk, BA Schumm, A Seiden, P Spradlin, DC Williams, MG Wilson, J Albert, E Chen, A Dvoretskii, F Fang, DG Hitlin, I Narsky, T Piatenko, FC Porter, A Ryd, A Samuel, G Mancinelli, BT Meadows, K Mishra, MD Sokoloff, F Blanc, PC Bloom, S Chen, WT Ford, JF Hirschauer, A Kreisel, M Nagel, U Nauenberg, A Olivas, WO Ruddick, JG Smith, KA Ulmer, SR Wagner, J Zhang, A Chen, EA Eckhart, A Soffer, WH Toki, RJ Wilson, F Winklmeier, Q Zeng, DD Altenburg, E Feltresi, A Hauke, H Jasper, A Petzold, B Spaan, T Brandt, V Klose, HM Lacker, WF Mader, R Nogowski, J Schubert, KR Schubert, R Schwierz, JE Sundermann, A Volk, D Bernard, GR Bonneaud, P Grenier, E Latour, Ch Thiebaux, M Verderi, PJ Clark, W Gradl, F Muheim, S Playfer, AI Robertson, Y Xie, M Andreotti, D Bettoni, C Bozzi, R Calabrese, G Cibinetto, E Luppi, M Negrini, A Petrella, L Piemontese, E Prencipe, F Anulli, R Baldini-Ferroli, A Calcaterra, R de Sangro, G Finocchiaro, S Pacetti, P Patteri, IM Peruzzi, M Piccolo, M Rama, A Zallo, A Buzzo, R Capra, R Contri, M Lo Vetere, MM Macri, MR Monge, S Passaggio, C Patrignani, E Robutti, A Santroni, S Tosi, G Brandenburg, KS Chaisanguanthum, M Morii, J Wu, RS Dubitzky, J Marks, S Schenk, U Uwer, DJ Bard, W Bhimji, DA Bowerman, PD Dauncey, U Egede, RL Flack, JA Nash, MB Nikolich, W Panduro Vazquez, PK Behera, X Chai, MJ Charles, U Mallik, NT Meyer, V Ziegler, J Cochran, HB Crawley, L Dong, V Eyges, WT Meyer, S Prell, EI Rosenberg, AE Rubin, AV Gritsan, AG Denig, M Fritsch, G Schott, N Arnaud, M Davier, G Grosdidier, A Hocker, F Le Diberder, V Lepeltier, AM Lutz, A Oyanguren, S Pruvot, S Rodier, P Roudeau, MH Schune, A Stocchi, WF Wang, G Wormser, CH Cheng, DJ Lange, DM Wright, CA Chavez, IJ Forster, JR Fry, E Gabathuler, R Gamet, KA George, DE Hutchcroft, DJ Payne, KC Schofield, C Touramanis, AJ Bevan, F Di Lodovico, W Menges, R Sacco, G Cowan, HU Flaecher, DA Hopkins, PS Jackson, TR McMahon, S Ricciardi, F Salvatore, AC Wren, DN Brown, CL Davis, J Allison, NR Barlow, RJ Barlow, YM Chia, CL Edgar, GD Lafferty, MT Naisbit, JC Williams, JI Yi, C Chen, WD Hulsbergen, A Jawahery, CK Lae, DA Roberts, G Simi, G Blaylock, C Dallapiccola, SS Hertzbach, X Li, TB Moore, S Saremi, H Staengle, R Cowan, G Sciolla, SJ Sekula, M Spitznagel, F Taylor, RK Yamamoto, H Kim, SE Mclachlin, PM Patel, SH Robertson, A Lazzaro, V Lombardo, F Palombo, JM Bauer, L Cremaldi, V Eschenburg, R Godang, R Kroeger, DA Sanders, DJ Summers, HW Zhao, S Brunet, D Cote, M Simard, P Taras, FB Viaud, H Nicholson, N Cavallo, G De Nardo, F Fabozzi, C Gatto, L Lista, D Monorchio, P Paolucci, D Piccolo, C Sciacca, M Baak, G Raven, HL Snoek, CP Jessop, JM LoSecco, T Allmendinger, G Benelli, KK Gan, K Honscheid, D Hufnagel, PD Jackson, H Kagan, R Kass, AM Rahimi, R Ter-Antonyan, QK Wong, NL Blount, J Brau, R Frey, O Igonkina, M Lu, R Rahmat, NB Sinev, D Strom, J Strube, E Torrence, A Gaz, M Margoni, M Morandin, A Pompili, M Posocco, M Rotondo, F Simonetto, R Stroili, C Voci, M Benayoun, J Chauveau, H Briand, P David, L Del Buono, Ch de la Vaissiere, O Hamon, BL Hartfiel, MJJ John, Ph Leruste, J Malcles, J Ocariz, L Roos, G Therin, L Gladney, J Panetta, M Biasini, R Covarelli, C Angelini, G Batignani, S Bettarini, F Bucci, G Calderini, M Carpinelli, R Cenci, F Forti, MA Giorgi, A Lusiani, G Marchiori, MA Mazur, M Morganti, N Neri, E Paoloni, G Rizzo, JJ Walsh, M Haire, D Judd, DE Wagoner, J Biesiada, N Danielson, P Elmer, YP Lau, C Lu, J Olsen, AJS Smith, AV Telnov, F Bellini, G Cavoto, A D'Orazio, D del Re, E Di Marco, R Faccini, F Ferrarotto, F Ferroni, M Gaspero, L Li Gioi, MA Mazzoni, S Morganti, G Piredda, F Polci, F Safai Tehrani, C Voena, M Ebert, H Schroder, R Waldi, T Adye, N De Groot, B Franek, EO Olaiya, FF Wilson, R Aleksan, S Emery, A Gaidot, SF Ganzhur, G Hamel de Monchenault, W Kozanecki, M Legendre, G Vasseur, Ch Yeche, M Zito, XR Chen, H Liu, W Park, MV Purohit, JR Wilson, MT Allen, D Aston, R Bartoldus, P Bechtle, N Berger, R Claus, JP Coleman, MR Convery, M Cristinziani, JC Dingfelder, J Dorfan, GP Dubois-Felsmann, D Dujmic, W Dunwoodie, RC Field, T Glanzman, SJ Gowdy, MT Graham, V Halyo, C Hast, T Hryn'ova, WR Innes, MH Kelsey, P Kim, DWGS Leith, S Li, S Luitz, V Luth, HL Lynch, DB MacFarlane, H Marsiske, R Messner, DR Muller, CP O'Grady, VE Ozcan, A Perazzo, M Perl, T Pulliam, BN Ratcliff, A Roodman, AA Salnikov, RH Schindler, J Schwiening, A Snyder, J Stelzer, D Su, MK Sullivan, K Suzuki, SK Swain, JM Thompson, J Va'vra, N van Bakel, M Weaver, AJR Weinstein, WJ Wisniewski, M Wittgen, DH Wright, AK Yarritu, K Yi, CC Young, PR Burchat, AJ Edwards, SA Majewski, BA Petersen, C Roat, L Wilden, S Ahmed, MS Alam, R Bula, JA Ernst, V Jain, B Pan, MA Saeed, FR Wappler, SB Zain, W Bugg, M Krishnamurthy, SM Spanier, R Eckmann, JL Ritchie, A Satpathy, CJ Schilling, RF Schwitters, JM Izen, XC Lou, S Ye, F Bianchi, F Gallo, D Gamba, M Bomben, L Bosisio, C Cartaro, F Cossutti, G Della Ricca, S Dittongo, L Lanceri, L Vitale, V Azzolini, F Martinez-Vidal, Sw Banerjee, B Bhuyan, CM Brown, D Fortin, K Hamano, R Kowalewski, IM Nugent, JM Roney, RJ Sobie, JJ Back, PF Harrison, TE Latham, GB Mohanty, M Pappagallo, HR Band, X Chen, B Cheng, S Dasu, M Datta, KT Flood, JJ Hollar, PE Kutter, B Mellado, A Mihalyi, Y Pan, M Pierini, R Prepost, SL Wu, Z Yu, H Neal

Inclusive search for new physics with like-sign dilepton events in p(p)over-bar collisions at √s=1.96 TeV

PHYSICAL REVIEW LETTERS 98:22 (2007) ARTN 221803

Authors:

A Abulencia, J Adelman, T Affolder, T Akimoto, MG Albrow, D Ambrose, S Amerio, D Amidei, A Anastassov, K Anikeev, A Annovi, J Antos, M Aoki, G Apollinari, J-F Arguin, T Arisawa, A Artikov, W Ashmanskas, A Attal, F Azfar, P Azzi-Bacchetta, P Azzurri, N Bacchetta, W Badgett, A Barbaro-Galtieri, VE Barnes, BA Barnett, S Baroiant, V Bartsch, G Bauer, F Bedeschi, S Behari, S Belforte, G Bellettini, J Bellinger, A Belloni, D Benjamin, A Beretvas, J Beringer, T Berry, A Bhatti, M Binkley, D Bisello, RE Blair, C Blocker, B Blumenfeld, A Bocci, A Bodek, V Boisvert, G Bolla, A Bolshov, D Bortoletto, J Boudreau, A Boveia, B Brau, L Brigliadori, C Bromberg, E Brubaker, J Budagov, HS Budd, S Budd, S Budroni, K Burkett, G Busetto, P Bussey, KL Byrum, S Cabrera, M Campanelli, M Campbell, F Canelli, A Canepa, S Carillo, D Carlsmith, R Carosi, S Carron, M Casarsa, A Castro, P Catastini, D Cauz, M Cavalli-Sforza, A Cerri, L Cerrito, SH Chang, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, I Cho, K Cho, D Chokheli, JP Chou, G Choudalakis, SH Chuang, K Chung, WH Chung, YS Chung, M Ciljak, CI Ciobanu, MA Ciocci, A Clark, D Clark, M Coca, G Compostella, ME Convery, J Conway, B Cooper, K Copic, M Cordelli, G Cortiana, F Crescioli, C Cuenca Almenar, J Cuevas, R Culbertson, JC Cully, D Cyr, S DaRonco, M Datta, S D'Auria, T Davies, M D'Onofrio, D Dagenhart, P de Barbaro, S De Cecco, A Deisher, G De Lentdecker, M Dell'Orso, F Delli Paoli, L Demortier, J Deng, M Deninno, D De Pedis, PF Derwent, GP Di Giovanni, C Dionisi, B Di Ruzza, JR Dittmann, P DiTuro, C Doerr, S Donati, M Donega, P Dong J Donini, T Dorigo, S Dube, J Efron, R Erbacher, D Errede, S Errede, R Eusebi, HC Fang, S Farrington, I Fedorko, WT Fedorko, RG Feild, M Feindt, JP Fernandez, R Field, G Flanagan, A Foland, S Forrester, GW Foster, M Franklin, JC Freeman, I Furic, M Gallinaro, J Galyardt, JE Garcia, F Garberson, AF Garfinkel, C Gay, H Gerberich, D Gerdes, S Giagu, P Giannetti, A Gibson, K Gibson, JL Gimmell, C Ginsburg, N Giokaris, M Giordani, P Giromini, M Giunta, G Giurgiu, V Glagolev, D Glenzinski, M Gold, N Goldschmidt, J Goldstein, A Golossanov, G Gomez, G Gomez-Ceballos, M Goncharov, O Gonzalez, I Gorelov, AT Goshaw, K Goulianos, A Gresele, M Griffiths, S Grinstein, C Grosso-Pilcher, RC Group, U Grundler, J Guimaraes da Costa, Z Gunay-Unalan, C Haber, K Hahn, SR Hahn, E Halkiadakis, A Hamilton, B-Y Han, JY Han, R Handler, F Happacher, K Hara, M Hare, S Harper, RF Harr, RM Harris, M Hartz, K Hatakeyama, J Hauser, A Heijboer, B Heinemann, J Heinrich, C Henderson, M Herndon, J Heuser, D Hidas, CS Hill, D Hirschbuehl, A Hocker, A Holloway, S Hou, M Houlden, S-C Hsu, BT Huffman, RE Hughes, U Husemann, J Huston, J Incandela, G Introzzi, M Iori, Y Ishizawa, A Ivanov, B Iyutin, E James, D Jang, B Jayatilaka, D Jeans, H Jensen, EJ Jeon, S Jindariani, M Jones, KK Joo, SY Jun, JE Jung, TR Junk, T Kamon, PE Karchin, Y Kato, Y Kemp, R Kephart, U Kerzel, V Khotilovich, B Kilminster, DH Kim, HS Kim, JE Kim, MJ Kim, SB Kim, SH Kim, YK Kim, N Kimura, L Kirsch, S Klimenko, M Klute, B Knuteson, BR Ko, K Kondo, DJ Kong, J Konigsberg, A Korytov, AV Kotwal, A Kovalev, AC Kraan, J Kraus, I Kravchenko, M Kreps, J Kroll, N Krumnack, M Kruse, V Krutelyov, T Kubo, SE Kuhlmann, T Kuhr, Y Kusakabe, S Kwang, AT Laasanen, S Lai, S Lami, S Lammel, M Lancaster, RL Lander, K Lannon, A Lath, G Latino, I Lazzizzera, T LeCompte, J Lee, J Lee, YJ Lee, SW Lee, R Lefevre, N Leonardo, S Leone, S Levy, JD Lewis, C Lin, CS Lin, M Lindgren, E Lipeles, A Lister, DO Litvintsev, T Liu, NS Lockyer, A Loginov, M Loreti, P Loverre, R-S Lu, D Lucchesi, P Lujan, P Lukens, G Lungu, L Lyons, J Lys, R Lysak, E Lytken, P Mack, D MacQueen, R Madrak, K Maeshima, K Makhoul, T Maki, P Maksimovic, S Malde, G Manca, G Manca, F Margaroli, R Marginean, C Marino, CP Marino, A Martin, M Martin, V Martin, M Martinez, T Maruyama, P Mastrandrea, T Masubuchi, H Matsunaga, ME Mattson, R Mazini, P Mazzanti, KS McFarland, P McIntyre, R McNulty, A Mehta, P Mehtala, S Menzemer, A Menzione, P Merkel, C Mesropian, A Messina, T Miao, N Miladinovic, J Miles, R Miller, C Mills, M Milnik, A Mitra, G Mitselmakher, A Miyamoto, S Moed, N Moggi, B Mohr, R Moore, M Morello, P Movilla Fernandez, J Muelmenstaedt, A Mukherjee, Th Muller, R Mumford, P Murat, J Nachtman, A Nagano, J Naganoma, I Nakano, A Napier, V Necula, C Neu, MS Neubauer, J Nielsen, T Nigmanov, L Nodulman, O Norniella, E Nurse, SH Oh, YD Oh, I Oksuzian, T Okusawa, R Oldeman, R Orava, K Osterberg, C Pagliarone, E Palencia, V Papadimitriou, AA Paramonov, B Parks, S Pashapour, J Patrick, G Pauletta, M Paulini, C Paus, DE Pellett, A Penzo, TJ Phillips, G Piacentino, J Piedra, L Pinera, K Pitts, C Plager, L Pondrom, X Portell, O Poukhov, N Pounder, F Prakoshyn, A Pronko, J Proudfoot, F Ptohos, G Punzi, J Pursley, J Rademacker, A Rahaman, N Ranjan, S Rappoccio, B Reisert, V Rekovic, P Renton, M Rescigno, S Richter, F Rimondi, L Ristori, A Robson, T Rodrigo, E Rogers, S Rolli, R Roser, M Rossi, R Rossin, A Ruiz, J Russ, V Rusu, H Saarikko, S Sabik, A Safonov, WK Sakumoto, G Salamanna, O Saltó, D Saltzberg, C Sanchez, L Santi, S Sarkar, L Sartori, K Sato, P Savard, A Savoy-Navarro, T Scheidle, P Schlabach, EE Schmidt, MP Schmidt, M Schmitt, T Schwarz, L Scodellaro, AL Scott, A Scribano, F Scuri, A Sedov, S Seidel, Y Seiya, A Semenov, L Sexton-Kennedy, A Sfyrla, MD Shapiro, T Shears, PF Shepard, D Sherman, M Shimojima, M Shochet, Y Shon, I Shreyber, A Sidoti, P Sinervo, A Sisakyan, J Sjolin, AJ Slaughter, J Slaunwhite, K Sliwa, JR Smith, FD Snider, R Snihur, M Soderberg, A Soha, S Somalwar, V Sorin, J Spalding, F Spinella, T Spreitzer, P Squillacioti, M Stanitzki, A Staveris-Polykalas, R St Denis, B Stelzer, O Stelzer-Chilton, D Stentz, J Strologas, D Stuart, JS Suh, A Sukhanov, H Sun, T Suzuki, A Taffard, R Takashima, Y Takeuchi, K Takikawa, M Tanaka, R Tanaka, M Tecchio, PK Teng, K Terashi, J Thom, AS Thompson, E Thomson, P Tipton, V Tiwari, S Tkaczyk, D Toback, S Tokar, K Tollefson, T Tomura, D Tonelli, S Torre, D Torretta, S Tourneur, W Trischuk, R Tsuchiya, S Tsuno, N Turini, F Ukegawa, T Unverhau, S Uozumi, D Usynin, S Vallecorsa, N van Remortel, A Varganov, E Vataga, F Vazquez, G Velev, G Veramendi, V Veszpremi, R Vidal, I Vila, R Vilar, T Vine, I Vollrath, I Volobouev, G Volpi, F Wuerthwein, P Wagner, RG Wagner, RL Wagner, J Wagner, W Wagner, R Wallny, SM Wang, A Warburton, S Waschke, D Waters, M Weinberger, WCIII Wester, B Whitehouse, D Whiteson, AB Wicklund, E Wicklund, G Williams, HH Williams, P Wilson, BL Winer, P Wittich, S Wolbers, C Wolfe, T Wright, X Wu, SM Wynne, A Yagil, K Yamamoto, J Yamaoka, T Yamashita, C Yang, UK Yang, YC Yang, WM Yao, GP Yeh, J Yoh, K Yorita, T Yoshida, GB Yu, I Yu, SS Yu, JC Yun, L Zanello, A Zanetti, I Zaw, X Zhang, J Zhou, S Zucchelli

Investigation of colour reconnection in WW events with the DELPHI detector at LEP-2

EUROPEAN PHYSICAL JOURNAL C 51:2 (2007) 249-269

Authors:

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

Lightweight CFRP spherical mirrors for the LHCb RICH-1 detector - art. no. 66700O

P SOC PHOTO-OPT INS 6670 (2007) O6700-O6700

Authors:

RN Martin, RC Romeo, G Barber, A Braem, N Brook, B Cameron, C D'Ambrosio, N Harnew, K Lessnoff, F Metlica, D Websdale

Abstract:

The design, manufacture and testing of lightweight Carbon Fiber Reinforced Polymer (CFRP) converging spherical mirrors for the RICH-1 Cherenkov detector of LHCb are described. The mirrors have low areal density to minimize the amount of material in the path of traversing particles and need to be fluorocarbon compatible to avoid degradation in the C4F10 radiator gas. The total area is about 2m(2) and high reflectivity (typically 90%) over the wavelength range 200-600nm is required.