Title: | Charged particle transverse momentum spectra in pp collisions at √s=0.9 and 7 TeV |
Authors: | Chatrchyan, S Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Ero, J Fabjan, C Friedl, M Fruhwirth, R Jessop, C Zumerle, G Baesso, P Berzano, U Ratti, SP Riccardi, C Grunewald, M Torre, P Vitulo, P Viviani, C Konstantinov, D Karmgard, DJ Polese, G Biasini, M Bilei, GM Caponeri, B Fano, L Lariccia, P Lucaroni, A Mantovani, G Klein, B Menichelli, M Kolb, J Nappi, A Racz, A Romeo, F Santocchia, A Taroni, S Valdata, M Azzurri, P Bagliesi, G Bernardini, J Boccali, T Kolberg, T Lellouch, J Broccolo, G Antunes, JR Castaldi, R D'Agnolo, RT Dell'Orso, R Fiori, F Foa, L Giassi, A Kraan, A Lannon, K Ligabue, F Lomtadze, T Marinov, A Rolandi, G Martini, L Messineo, A Palla, F Segneri, G Serban, AT Spagnolo, P Luo, W Tenchini, R Tonelli, G Venturi, A Verdini, PG Rommerskirchen, T Mccartin, J Barone, L Cavallari, F Del Re, D Di Marco, E Lynch, S Diemoz, M Franci, D Grassi, M Longo, E Nourbakhsh, S Rovere, M Organtini, G Ryckbosch, D Pandolfi, F Paramatti, R Nicolaou, C Rahatlou, S Rovelli, C Amapane, N Arcidiacono, R Argiro, S Arneodo, M Sakulin, H Biino, C Botta, C Thyssen, F Marinelli, N Cartiglia, N Castello, R Costa, M Demaria, N Graziano, A Mariotti, C Marone, M Schafer, C Maselli, S Migliore, E Morse, DM Mila, G Tytgat, M Monaco, V Musich, M Obertino, MM Pastrone, N Pelliccioni, M Romero, A Schwick, C Ruspa, M Rodrigo, T Auzinger, G Sacchi, R Sola, V Solano, A Vanelderen, L Staiano, A Pereira, AV Belforte, S Cossutti, F Della Ricca, G Nogima, H Pearson, T Gobbo, B Montanino, D Penzo, A Heo, SG Nam, SK Verwilligen, P Chang, S Chung, J Kim, DH Kim, GN Ruchti, R Korablev, A Segoni, I Kim, JE Kong, DJ Park, H Ro, SR Son, D Son, DC Walsh, S Son, T Slaunwhite, J Kim, Z Kim, JY Sharma, A Song, S Choi, S Hong, B Jeong, MS Jo, M Kim, H Kim, JH Valls, N Zaganidis, N Kim, TJ Lee, KS Siegrist, P Moon, DH Park, SK Rhee, HB Seo, E Shin, S Sim, KS Wayne, M Choi, M Kang, S Basegmez, S Kim, H Simon, M Park, C Park, IC Park, S Ryu, G Choi, Y Ziegler, J Choi, YK Goh, J Kim, MS Kwon, E Bruno, G Sphicas, P Lee, J Lee, S Seo, H Yu, I Bylsma, B Bilinskas, MJ Grigelionis, I Janulis, M Martisiute, D Petrov, P Sabonis, T Spiropulu, M Caudron, J Castilla-Valdez, H De La Cruz-Burelo, E Durkin, LS Heredia-de La Cruz, I Lopez-Fernandez, R Villalba, RM Sanchez-Hernandez, A Villasenor-Cendejas, LM Moreno, SC Valencia, FV Stoye, M Ibarguen, HAS Ceard, L Ptochos, F Linares, EC Pineda, AM Reyes-Santos, MA Krofcheck, D Tam, J Yiu, CH Butler, PH Doesburg, R Tadel, M Silverwood, H Sung, K Gu, J Ahmad, M Gil, EC Ahmed, I Asghar, MI Hoorani, HR Khan, WA Khurshid, T Qazi, S Brona, G Tropea, P Ovyn, S Cwiok, M Dominik, W Doroba, K De Jeneret, JD Kalinowski, A Konecki, M Krolikowski, J Frueboes, T Gokieli, R Gorski, M Damiao, DD Tsirou, A Kazana, M Nawrocki, K Romanowska-Rybinska, K Szleper, M Delaere, C Wrochna, G Zalewski, P Almeida, N Bargassa, P Hill, C David, A Krychkine, V Oguri, V Faccioli, P Parracho, PGF Gallinaro, M Musella, P Nayak, A Favart, D Ribeiro, PQ Killewald, P Seixas, J Varela, J Afanasiev, S Vichoudis, P Belotelov, I Bunin, P Golutvin, I Kamenev, A Karjavin, V Kozlov, G Kotov, K Giammanco, A Lanev, A Moisenz, P Palichik, V Voutilainen, M Perelygin, V Shmatov, S Smirnov, V Volodko, A Zarubin, A Ling, TY Golovtsov, V Ivanov, Y Gregoire, G Kim, V Levchenko, P Zeuner, WD Murzin, V Oreshkin, V Smirnov, I Sulimov, V Rodenburg, M Uvarov, L Vavilov, S Vorobyev, A Vorobyev, A Hollar, J Andreev, Y Bertl, W Dermenev, A Gninenko, S Golubev, N Williams, G Kirsanov, M Krasnikov, N Matveev, V Pashenkov, A Toropin, A Troitsky, S Lemaitre, V Deiters, K Epshteyn, V Gavrilov, V Adam, N Kaftanov, V Kossov, M Krokhotin, A Lychkovskaya, N Popov, V Safronov, G Semenov, S Stolin, V Erdmann, W Liao, J Wenger, EA Berry, E Vlasov, E Zhokin, A Boos, E Dubinin, M Dudko, L Ershov, A Kodolova, O Korotkikh, V Lokhtin, I Gabathuler, K Elmer, P Markina, A Militaru, O Obraztsov, S Perfilov, M Petrushanko, S Sarycheva, L Savrin, V Snigirev, A Andreev, V Azarkin, M Razis, PA Horisberger, R Dremin, I Kirakosyan, M Ingram, Q Pagano, D Kaestli, HC Da Silva, WLP Konig, S Kotlinski, D Langenegger, U Baillon, P Meier, F Renker, D Rohe, T Sibille, J Starodumov, A Petrov, V Bortignon, P Caminada, L Hammer, J Santoro, A Gerbaudo, D Chanon, N Chen, Z Cittolin, S Dissertori, G Dittmar, M Eugster, J Ryutin, R Freudenreich, K Grab, C Herve, A Halyo, V Hintz, W Do Amaral, SMS Lecomte, P Lustermann, W Marchica, C del Arbol, PMR Meridiani, P Slabospitsky, S Milenovic, P Moortgat, F Hebda, P Nageli, C Nef, P Nessi-Tedaldi, F Sznajder, A Pape, L Pauss, F Punz, T Rizzi, A Sobol, A Ronga, FJ Hunt, A Rossini, M Sala, L Sanchez, AK Sawley, MC Stieger, B De Araujo, FTD Tauscher, L Thea, A Theofilatos, K Tourtchanovitch, L Jones, J Treille, D Urscheler, C Wallny, R Weber, M Wehrli, L Weng, J Aguilo, E Dias, FA Amsler, C Chiochia, V Laird, E Troshin, S De Visscher, S Favaro, C Rikova, MI Mejias, BM Otiougova, P Regenfus, C Robmann, P Schmidt, A Tomei, TRFP Xie, S Pegna, DL Snoek, H Tyurin, N Chang, YH Chen, KH Dutta, S Kuo, CM Li, SW Lin, W Liu, ZK Lu, YJ Marlow, D Mekterovic, D Gregores, EM Uzunian, A Volpe, R Wu, JH Yu, SS Bartalini, P Chang, P Chang, YH Chang, YW Medvedeva, T Chao, Y Chen, KF Hou, WS Volkov, A Lagana, C Hsiung, Y Kao, KY Lei, YJ Lu, RS Shiu, JG Mooney, M Tzeng, YM Wang, M Adiguzel, A Bakirci, MN Adzic, P Cerci, S Marinho, F Dozen, C Dumanoglu, I Eskut, E Ball, AH Girgis, S Gokbulut, G Hos, I Kangal, EE Topaksu, AK Pin, A Onengut, G Ozdemir, K Mercadante, PG Ozturk, S Liko, D Polatoz, A Sogut, K Cerci, DS Tali, B Topakli, H Uzun, D Djordjevic, M Vergili, LN Vergili, M Akin, IV Finger, M Hansel, S Novaes, SF Aliev, T Bilmis, S Deniz, M Gamsizkan, H Guler, AM Krpic, D Ocalan, K Ozpineci, A Olsen, J Serin, M Sever, R Surat, UE Padula, SS Yildirim, E Zeyrek, M Deliomeroglu, M Demir, D Milosevic, J Gulmez, E Piroue, P Isildak, B Kaya, M Kaya, O Ozkorucuklu, S Sonmez, N Darmenov, N Levchuk, L Bostock, F Brooke, JJ Aguilar-Benitez, M Quan, X Cheng, TL Clement, E Cussans, D Frazier, R Goldstein, J Grimes, M Hansen, M Dimitrov, L Hartley, D Heath, GP Yang, M Saka, H Maestre, JA Heath, HF Kreczko, L Metson, S Newbold, DM Nirunpong, K Poll, A Senkin, S Smith, VJ Genchev, V Stickland, D Ward, S Arce, P Basso, L Bell, KW Belyaev, A Brew, C Brown, RM Camanzi, B Cockerill, DJA Coughlan, JA Tully, C Harder, K Iaydjiev, P Battilana, C Harper, S Jackson, J Kennedy, BW Olaiya, E Petyt, D Radburn-Smith, BC Shepherd-Themistocleous, CH Werner, JS Tomalin, IR Womersley, WJ Worm, SD Calvo, E Piperov, S Bainbridge, R Ball, G Ballin, J Beuselinck, R Buchmuller, O Zuranski, A Colling, D Cripps, N Cutajar, M Davies, G Cepeda, M Della Negra, M Rodozov, M Ferguson, W Fulcher, J Futyan, D Barney, D Gilbert, A Bryer, AG Hall, G Hatherell, Z Hays, J Cerrada, M Iles, G Jarvis, M Stoykova, S Karapostoli, G Acosta, JG Lyons, L MacEvoy, BC Magnan, AM Marrouche, J Mathias, B Nandi, R Piotrzkowski, K Nash, J Nikitenko, A Papageorgiou, A Huang, XT Sultanov, G Pesaresi, M Petridis, K Pioppi, M Raymond, DM Rogerson, S Rompotis, N Llatas, MC Rose, A Ryan, MJ Finger, M Seez, C Sharp, P Hoch, M Tcholakov, V Sparrow, A Tapper, A Tourneur, S Acosta, MV Colino, N Virdee, T Lopez, A Wakefield, S Wardle, N Wardrope, D Whyntie, T Barrett, M Trayanov, R Chadwick, M Cole, JE Hobson, PR De La Cruz, B Yilmaz, Y Mendez, H Khan, A Kyberd, P Leslie, D Martin, W Reid, ID Teodorescu, L Hatakeyama, K Vankov, I Liu, H Bose, T Oliveros, S Peris, AD Jarrin, EC Fantasia, C Heister, A St John, J Lawson, P Lazic, D Rohlf, J Sperka, D Dimitrov, A Vargas, JER Sulak, L Pardos, CD Avetisyan, A Bhattacharya, S Chou, JP Cutts, D Ferapontov, A Heintz, U Jabeen, S Kukartsev, G Zatserklyaniy, A Landsberg, G Hadjiiska, R Vazquez, DD Luk, M Narain, M Nguyen, D Segala, M Sinthuprasith, T Speer, T Tsang, KV Alagoz, E Breedon, R Sanchez, MCD Chauhan, S Bedoya, CF Karadzhinova, A Chertok, M Conway, J Cox, PT Dolen, J Erbacher, R Barnes, VE Friis, E Ko, W Kopecky, A Lander, R Ramos, JPF Liu, H Kozhuharov, V Maruyama, S Miceli, T Nikolic, M Bell, AJ Pellett, D Robles, J Salur, S Schwarz, T Searle, M Ferrando, A Smith, J Squires, M Litov, L Tripathi, M Bolla, G Sierra, RV Veelken, C Andreev, V Arisaka, K Cline, D Cousins, R Flix, J Deisher, A Duris, J Erhan, S Borrello, L Mateev, M Farrell, C Hauser, J Ignatenko, M Jarvis, C Plager, C Rakness, G Schul, N Schlein, P Tucker, J Bortoletto, D Valuev, V Babb, J Pavlov, B Chandra, A Clare, R Ellison, J Gary, JW Giordano, F Fouz, MC Hanson, G Yoon, AS Assran, Y Jeng, GY Kao, SC Liu, F Liu, H Hormann, N Petkov, P Long, OR Luthra, A Nguyen, H Garcia-Abia, P Everett, A Shen, BC Stringer, R Sturdy, J Sumowidagdo, S Wilken, R Wimpenny, S Andrews, W Bian, JG Branson, JG Cerati, GB Garfinkel, AF Lopez, OG Dusinberre, E Evans, D Golf, F Holzner, A Kelley, R Lebourgeois, M Letts, J Mangano, B Chen, GM Gutay, L Padhi, S Lopez, SG Palmer, C Petrucciani, G Pi, H Pieri, M Ranieri, R Sani, M Sharma, V Simon, S Hu, Z Tu, Y Chen, HS Hernandez, JM Vartak, A Wasserbaech, S Wurthwein, F Yagil, A Yoo, J Barge, D Bellan, R Jones, M Campagnari, C D'Alfonso, M Danielson, T Josa, MI Jiang, CH Flowers, K Geffert, P Incandela, J Justus, C Kalavase, P Koybasi, O Koay, SA Kovalskyi, D Krutelyov, V Lowette, S Merino, G Mccoll, N Liang, D Pavlunin, V Rebassoo, F Ribnik, J Benedetti, D Richman, J Rossin, R Stuart, D To, W Vlimant, JR Pelayo, JP Apresyan, A Bornheim, A Liang, S Bunn, J Kress, M Chen, Y Gataullin, M Ma, Y Mott, A Newman, HB Rogan, C Redondo, I Shin, K Timciuc, V Traczyk, P Laasanen, AT Meng, X Veverka, J Wilkinson, R Yang, Y Zhu, RY Akgun, B Carroll, R Romero, L Ferguson, T Iiyama, Y Zanetti, M Leonardo, N Jang, DW Jun, SY Tao, J Liu, YF Paulini, M Russ, J Vogel, H Vorobiev, I Beliy, N Cumalat, JP Liu, C Dinardo, ME Drell, BR Edelmaier, CJ Ford, WT Wang, J Gaz, A Heyburn, B Lopez, EL Nauenberg, U Santaolalla, J Khalil, S Smith, JG Stenson, K Ulmer, KA Wagner, SR Zang, SL Agostino, L Hrubec, J Wang, J Alexander, J Cassel, D Maroussov, V Soares, MS Chatterjee, A Das, S Eggert, N Gibbons, LK Heltsley, B Hopkins, W Khukhunaishvili, A Kreis, B Wang, X Merkel, P Kaufman, GN Willmott, C Patterson, JR Puigh, D Ryd, A Salvati, E Shi, X Sun, W Teo, WD Thom, J Miller, DH Thompson, J Wang, Z Albajar, C Vaughan, J Weng, Y Winstrom, L Wittich, P Biselli, A Cirino, G Winn, D Neumeister, N Abdullin, S Albrow, M Anderson, J Codispoti, G Xiao, H Apollinari, G Atac, M Bakken, JA Banerjee, S Bauerdick, LAT Shipsey, I Beretvas, A Berryhill, J Bhat, PC Bloch, I de Troconiz, JF Borcherding, F Xu, M Burkett, K Butler, JN Chetluru, V Bernet, C Cheung, HWK Chlebana, F Cihangir, S Cooper, W Eartly, DP Cuevas, J Elvira, VD Esen, S Zang, J Fisk, I Silvers, D Freeman, J Gao, Y Gottschalk, E Green, D Gunthoti, K Gutsche, O Menendez, JF Hanlon, J Harris, RM Hirschauer, J Cooper, SI Svyatkovskiy, A Zhang, Z Hooberman, B Jensen, H Johnson, M Joshi, U Khatiwada, R Klima, B Folgueras, S Kousouris, K Kunori, S Yoo, HD Kwan, S Leonidopoulos, C Ban, Y Limon, P Lincoln, D Lipton, R Lykken, J Maeshima, K Caballero, IG Marraffino, JM Zablocki, J Mason, D McBride, P Miao, T Mishra, K Guo, S Mrenna, S Musienko, Y Newman-Holmes, C O'Dell, V Caebergs, T Zheng, Y Pordes, R Prokofyev, O Saoulidou, N Sexton-Kennedy, E Sharma, S Spalding, WJ Guo, Y Spiegel, L Tan, P Taylor, L Mahmoud, MA Iglesias, LL Tkaczyk, S Uplegger, L Vaandering, EW Vidal, R Whitmore, J Wu, W Yang, F Jeitler, M Li, W Jindal, P Yumiceva, F Garcia, JMV Yun, JC Acosta, D Avery, P Bourilkov, D Chen, M De Gruttola, M Di Giovanni, GP Dobur, D Parashar, N Drozdetskiy, A Mao, Y Cifuentes, JAB Field, RD Fisher, M Fu, Y Furic, IK Gartner, J Kim, B Konigsberg, J Boulahouache, C Korytov, A Kropivnitskaya, A Kypreos, T Cabrillo, IJ Qian, SJ Matchev, K Mitselmakher, G Muniz, L Prescott, C Remington, R Cuplov, V Schmitt, M Scurlock, B Sellers, P Skhirtladze, N Calderon, A Snowball, M Teng, H Wang, D Yelton, J Zakaria, M Bialas, W Ceron, C Gaultney, V Kramer, L Lebolo, LM Linn, S Chuang, SH Markowitz, P Martinez, G Zhang, L Mesa, D Cushman, P Ecklund, KM Rodriguez, JL Adams, T Askew, A Bochenek, J Chen, J Diamond, B Campderros, JD Gleyzer, SV Haas, J Hagopian, S Geurts, FJM Zhu, B Hagopian, V Jenkins, M Johnson, KF Prosper, H Quertenmont, L Sekmen, S Felcini, M Veeraraghavan, V Baarmand, MM Padley, BP Dorney, B Guragain, S Zou, W Hohlmann, M Kalakhety, H Ralich, R Vodopiyanov, I Adams, MR Fernandez, M Anghel, IM Redjimi, R Apanasevich, L Bai, Y Bazterra, VE Betts, RR Cabrera, A Callner, J Cavanaugh, R Dragoiu, C Gauthier, L Gomez, G Roberts, J Gerber, CE Hamdan, S Hofman, DJ Khalatyan, S Kunde, GJ Lacroix, F Moreno, BG Malek, M O'Brien, C Silvestre, C Zabel, J Daubie, E Smoron, A Strom, D Varelas, N Akgun, U Albayrak, EA Bilki, B Clarida, W Rios, AAO Duru, F Hektor, A Lae, CK Sanchez, JG McCliment, E Merlo, JP Mermerkaya, H Mestvirishvili, A Moeller, A Nachtman, J Newsom, CR Norbeck, E Betchart, B Kiesenhofer, W Oliveros, AFO Jorda, C Olson, J Onel, Y Ozok, F Sen, S Wetzel, J Yetkin, T Yi, K Bodek, A Barnett, BA Blumenfeld, B Bonato, A Pardo, PL Sanabria, JC Eskew, C Fehling, D Giurgiu, G Gritsan, AV Guo, ZJ Chung, YS Hu, G Maksimovic, P Rappoccio, S Swartz, M Virto, AL Tran, NV Godinovic, N Whitbeck, A Baringer, P Bean, A Krammer, M Bloch, P Benelli, G Grachov, O Kenny Iii, RP Murray, M Noonan, D Marco, J Sanders, S Wood, JS Lelas, D Zhukova, V Covarelli, R Barfuss, AF Bolton, T Chakaberia, I Ivanov, A Khalil, S Makouski, M Marco, R Maravin, Y Shrestha, S Svintradze, I de Barbaro, P Lelas, K Wan, Z Gronberg, J Lange, D Wright, D Baden, A Boutemeur, M Rivero, CM Eno, SC Ferencek, D Demina, R Gomez, JA Hadley, NJ Plestina, R Kellogg, RG Kirn, M Lu, Y Mignerey, AC Rossato, K Matorras, F Rumerio, P Eshaq, Y Santanastasio, F Skuja, A Temple, J Tonjes, MB Polic, D Tonwar, SC Twedt, E Alver, B Bauer, G Sanchez, FJM Flacher, H Bendavid, J Busza, W Butz, E Cali, IA Chan, M Dutta, V Puljak, I Everaerts, P Ceballos, GG Goncharov, M Garcia-Bellido, A Gomez, JP Hahn, KA Harris, P Kim, Y Klute, M Lee, YJ Li, W Loizides, C Antunovic, Z Luckey, PD Goldenzweig, P Ma, T Alves, GA Nahn, S Paus, C Ralph, D Roland, C Roland, G Rudolph, M Stephans, GSF Stockli, F Kadastik, M Dzelalija, M Sumorok, K Gotra, Y Rodriguez-Marrero, AY Han, J Bocci, A Harel, A Miner, DC Orbaker, D Petrillo, G Vishnevskiy, D Zielinski, M Bhatti, A Ciesielski, R Brigljevic, V Muntel, M Demortier, L Leonidov, A Bolognesi, S Goulianos, K Lungu, G Malik, S Mesropian, C Yan, M Atramentov, O Dahmes, B Barker, A Duggan, D Gershtein, Y Raidal, M Ghete, VM Gray, R Halkiadakis, E Hidas, D Hits, D Lath, A De Benedetti, A Panwalkar, S Patel, R Richards, A Rose, K Schnetzer, S Pol, ME Rebane, L Somalwar, S Stone, R Thomas, S Dudero, PR Cerizza, G Hollingsworth, M Spanier, S Yang, ZC York, A Eusebi, R Bona, M Gilmore, J Mikulec, I Azzolini, V Franzoni, G Gurrola, A Kamon, T Khotilovich, V Montalvo, R Osipenkov, I Pakhotin, Y Pivarski, J Breuker, H Safonov, A Sengupta, S Haupt, J Tatarinov, A Eerola, P Toback, D Weinberger, M Akchurin, N Bardak, C Damgov, J Jeong, C Bunkowski, K Kovitanggoon, K Klapoetke, K Lee, SW Mane, P Roh, Y Fedi, G Sill, A Volobouev, I Wigmans, R Yazgan, E Appelt, E Camporesi, T Kubota, Y Brownson, E Engh, D Florez, C Gabella, W Issah, M Czellar, S Johns, W Kurt, P Maguire, C Melo, A Mans, J Cerminara, G Sheldon, P Snook, B Tuo, S Velkovska, J Arenton, MW Balazs, M Harkonen, J Boutle, S Cox, B Rekovic, V Francis, B Perez, JAC Hirosky, R Ledovskoy, A Lin, C Neu, C Yohay, R Gollapinni, S Harr, R Heikkinen, A Ruiz-Jimeno, A Karchin, PE Lamichhane, P Cure, B Mattson, M Milstene, C Sakharov, A Anderson, M Bachtis, M Bellinger, JN Carlsmith, D Rusack, R Dasu, S Karimaki, V Efron, J Rusakov, SV D'Enterria, D Flood, K Gray, L Grogg, KS Grothe, M Hall-Wilton, R Duric, S Herndon, M Klabbers, P Klukas, J Lanaro, A Kinnunen, R De Roeck, A Lazaridis, C Leonard, J Loveless, R Mohapatra, A Sasseville, M Palmonari, F Reeder, D Ross, I Savin, A Smith, WH Swanson, J Di Guida, S Kortelainen, MJ Weinberg, M CMS Collaboration Singovsky, A Lampen, T Pernicka, M Lassila-Perini, K Lehti, S Linden, T Luukka, P Maenpaa, T Souza, MHG Tuominen, E Tuominiemi, J Cremaldi, LM Tuovinen, E Ungaro, D Wendland, L Rohringer, H Banzuzi, K Korpela, A Tuuva, T Sillou, D Dupont-Sagorin, N Besancon, M Godang, R Choudhury, S Dejardin, M Denegri, D Fabbro, B Faure, JL Schofbeck, R Ferri, F Ganjour, S Gentit, FX Elliott-Peisert, A Kroeger, R Givernaud, A Gras, P de Monchenault, GH Jarry, P Locci, E Malcles, J Marionneau, M Strauss, J Millischer, L Rander, J Perera, L Frisch, B Rosowsky, A Shreyber, I Titov, M Verrecchia, P Baffioni, S Beaudette, F Benhabib, L Bianchini, L Taurok, A Rahmat, R Bluj, M Funk, W Broutin, C Busson, P Charlot, C Dahms, T Dobrzynski, L Elgammal, S de Cassagnac, RG Haguenauer, M Sanders, DA Mine, P Teischinger, F Gaddi, A Mironov, C Ochando, C Paganini, P Sabes, D Salerno, 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Keywords: | Hadron-Hadron Scattering;Quark-gluon plasma;Collaboration;Perspective |
Issue Date: | 2011 |
Publisher: | Springer Verlag |
Citation: | Journal of High Energy Physics (8): 086, Aug 2011 |
Abstract: | The charged particle transverse momentum (p T) spectra are presented for pp collisions at Ös = 0.9s=09 and 7 TeV. The data samples were collected with the CMS detector at the LHC and correspond to integrated luminosities of 231 μb−1 and 2.96 pb−1, respectively. Calorimeter-based high-transverse-energy triggers are employed to enhance the statistical reach of the high-p T measurements. The results are compared with leading and next-to-leading order QCD and with an empirical scaling of measurements at different collision energies using the scaling variable x\textT º 2p\textT / Ös xT2pTs over the p T range up to 200 GeV/c. Using a combination of x T scaling and direct interpolation at fixed p T, a reference transverse momentum spectrum at Ös = 2.76s=276 TeV is constructed, which can be used for studying high-p T particle suppression in the dense QCD medium produced in heavy-ion collisions at that centre-of-mass energy. |
Description: | This is the pre-print version of the Published Article which can be accessed from the link below - Copyright @ 2011 Springer-Verlag |
URI: | http://www.springerlink.com/content/mn62ju7838451l78/ http://bura.brunel.ac.uk/handle/2438/6093 |
DOI: | http://dx.doi.org/10.1007/JHEP08(2011)086 |
metadata.dc.relation.replaces: | 2438/6190 http://bura.brunel.ac.uk/handle/2438/6190 |
ISSN: | 1126-6708 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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