Readiness of the ATLAS liquid argon calorimeter for LHC collisions
European Physical Journal C 70:3 (2010) 723-753
Authors:
The ATLAS Collaboration, G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, BS Acharya, DL Adams, TN Addy, J Adelman, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, H Ahmed, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Aktas, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, MG Alviggi, K Amako, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen, CF Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Antonaki, M Antonelli, S Antonelli, B Antunovic, F Anulli, S Aoun, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, JF Arguin, T Argyropoulos, E Arik, M Arik, AJ Armbruster, O Arnaez, C Arnault, A Artamonov, D Arutinov, M Asai, S Asai, R Asfandiyarov, S Ask, B Åsman, D Asner, L Asquith, K AssamaganAbstract:
The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an overview of the liquid argon calorimeter performance measured in situ with random triggers, calibration data, cosmic muons, and LHC beam splash events. Results on the detector operation, timing performance, electronics noise, and gain stability are presented. High energy deposits from radiative cosmic muons and beam splash events allow to check the intrinsic constant term of the energy resolution. The uniformity of the electromagnetic barrel calorimeter response along η (averaged over Φ) is measured at the percent level using minimum ionizing cosmic muons. Finally, studies of electromagnetic showers from radiative muons have been used to cross-check the Monte Carlo simulation. The performance results obtained using the ATLAS readout, data acquisition, and reconstruction software indicate that the liquid argon calorimeter is well-prepared for collisions at the dawn of the LHC era. © 2010 CERN for the benefit of the ATLAS collaboration.The ATLAS Inner Detector commissioning and calibration
European Physical Journal C 70:3 (2010) 787-821
Authors:
The ATLAS Collaboration, G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, BS Acharya, DL Adams, TN Addy, J Adelman, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Aktas, MS Alam, MA Alam, S Albrand, M Aleksa, IN Aleksandrov, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, MG Alviggi, K Amako, C Amelung, A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen, CF Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Annovi, A Antonaki, M Antonelli, S Antonelli, J Antos, B Antunovic, F Anulli, S Aoun, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, JF Arguin, T Argyropoulos, M Arik, AJ Armbruster, O Arnaez, C Arnault, A Artamonov, D Arutinov, M Asai, S Asai, R Asfandiyarov, S Ask, B Åsman, D Asner, L Asquith, K Assamagan, A Astvatsatourov, G Atoian, B AuerbachAbstract:
The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took part in data-taking with single LHC beams and cosmic rays. The initial detector operation, hardware commissioning and in-situ calibrations are described. Tracking performance has been measured with 7. 6 million cosmic-ray events, collected using a tracking trigger and reconstructed with modular pattern-recognition and fitting software. The intrinsic hit efficiency and tracking trigger efficiencies are close to 100%. Lorentz angle measurements for both electrons and holes, specific energy-loss calibration and transition radiation turn-on measurements have been performed. Different alignment techniques have been used to reconstruct the detector geometry. After the initial alignment, a transverse impact parameter resolution of 22. 1±0. 9 μm and a relative momentum resolution σp/p=(4. 83±0. 16)×10-4 GeV-1×pT have been measured for high momentum tracks. © 2010 CERN for the benefit of the ATLAS collaboration.Search for new particles in two-jet final states in 7 TeV proton-proton collisions with the ATLAS detector at the LHC.
Phys Rev Lett 105:16 (2010) 161801
Authors:
G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, E Acerbi, BS Acharya, M Ackers, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, H Ahmed, M Ahsan, G Aielli, T Akdogan, TPA Akesson, G Akimoto, AV Akimov, A Aktas, MS Alam, MA Alam, S Albrand, M Aleksa, IN Aleksandrov, M Aleppo, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, J Alonso, MG Alviggi, K Amako, P Amaral, G Ambrosio, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen, CF Anders, KJ Anderson, A Andreazza, V Andrei, M-L Andrieux, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Annovi, A Antonaki, M Antonelli, S Antonelli, J Antos, B Antunovic, F Anulli, S Aoun, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, J-F Arguin, T Argyropoulos, E Arik, M Arik, AJ Armbruster, KE Arms, SR Armstrong, O Arnaez, C Arnault, A Artamonov, D Arutinov, M Asai, S Asai, R Asfandiyarov, S Ask, B Asman, D Asner, L Asquith, K Assamagan, A Astbury, A Astvatsatourov, G Atoian, B Aubert, B Auerbach, E Auge, K Augsten, M Aurousseau, N Austin, G Avolio, R Avramidou, D Axen, C Ay, G Azuelos, Y Azuma, MA Baak, G Baccaglioni, C Bacci, AM Bach, H Bachacou, K Bachas, G Bachy, M Backes, E Badescu, P Bagnaia, Y Bai, DC Bailey, T Bain, JT Baines, OK Baker, MD Baker, S Baker, F Baltasar Dos Santos Pedrosa, E Banas, P Banerjee, S Banerjee, D Banfi, A Bangert, V Bansal, SP Baranov, S Baranov, A Barashkou, A Barbaro Galtieri, T Barber, EL Barberio, D Barberis, M Barbero, DY Bardin, T Barillari, M Barisonzi, T Barklow, N Barlow, BM Barnett, RM Barnett, A Baroncelli, M Barone, AJ Barr, F Barreiro, J Barreiro Guimarães da Costa, P Barrillon, R Bartoldus, D Bartsch, RL Bates, L Batkova, JR Batley, A Battaglia, M Battistin, G Battistoni, F Bauer, HS Bawa, M Bazalova, B Beare, T Beau, PH Beauchemin, R Beccherle, P Bechtle, GA Beck, HP Beck, M Beckingham, KH Becks, AJ Beddall, A Beddall, VA Bednyakov, C Bee, M Begel, S Behar Harpaz, PK Behera, M Beimforde, C Belanger-Champagne, B Belhorma, PJ Bell, WH Bell, G Bella, L Bellagamba, F Bellina, G Bellomo, M Bellomo, A Belloni, K Belotskiy, O Beltramello, S Ben Ami, O Benary, D Benchekroun, C Benchouk, M Bendel, BH Benedict, N Benekos, Y Benhammou, GP Benincasa, DP Benjamin, M Benoit, JR Bensinger, K Benslama, S Bentvelsen, M Beretta, D Berge, E Bergeaas Kuutmann, N Berger, F Berghaus, E Berglund, J Beringer, K Bernardet, P Bernat, R Bernhard, C Bernius, T Berry, A Bertin, F Bertinelli, F Bertolucci, S Bertolucci, MI Besana, N Besson, S Bethke, W Bhimji, RM Bianchi, M Bianco, O Biebel, J Biesiada, M Biglietti, H Bilokon, M Binder, M Bindi, S Binet, A Bingul, C Bini, C Biscarat, R Bischof, U Bitenc, KM Black, RE Blair, J-B Blanchard, G Blanchot, C Blocker, J Blocki, A Blondel, W Blum, U Blumenschein, C Boaretto, GJ Bobbink, A Bocci, D Bocian, R Bock, CR Boddy, M Boehler, J Boek, N Boelaert, S Böser, JA Bogaerts, A Bogouch, C Bohm, J Bohm, V Boisvert, T Bold, V Boldea, VG Bondarenko, M Bondioli, M Boonekamp, G Boorman, CN Booth, P Booth, JRA Booth, S Bordoni, C Borer, A Borisov, G Borissov, I Borjanovic, S Borroni, K Bos, D Boscherini, M Bosman, H Boterenbrood, D Botterill, J Bouchami, J Boudreau, EV Bouhova-Thacker, C Boulahouache, C Bourdarios, A Boveia, J Boyd, IR Boyko, NI Bozhko, I Bozovic-Jelisavcic, S Braccini, J Bracinik, A Braem, E Brambilla, P Branchini, GW Brandenburg, A Brandt, G Brandt, O Brandt, U Bratzler, B Brau, JE Brau, HM Braun, B Brelier, J Bremer, R Brenner, S Bressler, D Breton, ND Brett, PG Bright-Thomas, D Britton, FM Brochu, I Brock, R Brock, TJ Brodbeck, E Brodet, F Broggi, C Bromberg, G Brooijmans, WK Brooks, G Brown, E Brubaker, PA Bruckman de Renstrom, D Bruncko, R Bruneliere, S Brunet, A Bruni, G Bruni, M Bruschi, T Buanes, F Bucci, J Buchanan, NJ Buchanan, P Buchholz, RM Buckingham, AG Buckley, IA Budagov, B Budick, V Büscher, L Bugge, D Buira-Clark, EJ Buis, O Bulekov, M Bunse, T Buran, H Burckhart, S Burdin, T Burgess, S Burke, E Busato, P Bussey, CP Buszello, F Butin, B Butler, JM Butler, CM Buttar, JM Butterworth, T Byatt, J Caballero, S Cabrera Urbán, M Caccia, D Caforio, O Cakir, P Calafiura, G Calderini, P Calfayan, R Calkins, LP Caloba, R Caloi, D Calvet, A Camard, P Camarri, M Cambiaghi, D Cameron, J Cammin, S Campana, M Campanelli, V Canale, F Canelli, A Canepa, J Cantero, L Capasso, MDM Capeans Garrido, I Caprini, M Caprini, M Caprio, D Capriotti, M Capua, R Caputo, C Caramarcu, R Cardarelli, T Carli, G Carlino, L Carminati, B Caron, S Caron, C Carpentieri, GD Carrillo Montoya, S Carron Montero, AA Carter, JR Carter, J Carvalho, D Casadei, MP Casado, M Cascella, C Caso, AM Castaneda Hernandez, E Castaneda-Miranda, V Castillo Gimenez, NF Castro, G Cataldi, F Cataneo, A Catinaccio, JR Catmore, A Cattai, G Cattani, S Caughron, D Cauz, A Cavallari, P Cavalleri, D Cavalli, M Cavalli-Sforza, V Cavasinni, A Cazzato, F Ceradini, C Cerna, AS Cerqueira, A Cerri, L Cerrito, F Cerutti, M Cervetto, SA Cetin, F Cevenini, A Chafaq, D Chakraborty, K Chan, JD Chapman, JW Chapman, E Chareyre, DG Charlton, V Chavda, S Cheatham, S Chekanov, SV Chekulaev, GA Chelkov, H Chen, L Chen, S Chen, T Chen, X Chen, S Cheng, A Cheplakov, VF Chepurnov, R Cherkaoui El Moursli, V Tcherniatine, D Chesneanu, E Cheu, SL Cheung, L Chevalier, F Chevallier, V Chiarella, G Chiefari, L Chikovani, JT Childers, A Chilingarov, G Chiodini, MV Chizhov, G Choudalakis, S Chouridou, IA Christidi, A Christov, D Chromek-Burckhart, ML Chu, J Chudoba, G Ciapetti, AK Ciftci, R Ciftci, D Cinca, V Cindro, MD Ciobotaru, C Ciocca, A Ciocio, M Cirilli, M Citterio, A Clark, PJ Clark, W Cleland, JC Clemens, B Clement, C Clement, RW Clifft, Y Coadou, M Cobal, A Coccaro, J Cochran, P Coe, S Coelli, J Coggeshall, E Cogneras, CD Cojocaru, J Colas, B Cole, AP Colijn, C Collard, NJ Collins, C Collins-Tooth, J Collot, G Colon, R Coluccia, G Comune, P Conde Muiño, E Coniavitis, MC Conidi, M Consonni, S Constantinescu, C Conta, F Conventi, J Cook, M Cooke, BD Cooper, AM Cooper-Sarkar, NJ Cooper-Smith, K Copic, T Cornelissen, M Corradi, S Correard, F Corriveau, A Corso-Radu, A Cortes-Gonzalez, G Cortiana, G Costa, MJ Costa, D Costanzo, T Costin, D Côté, R Coura Torres, L Courneyea, G Cowan, C Cowden, BE Cox, K Cranmer, J Cranshaw, M Cristinziani, G Crosetti, R Crupi, S Crépé-Renaudin, C Cuenca Almenar, T Cuhadar Donszelmann, S Cuneo, M Curatolo, CJ Curtis, P Cwetanski, H Czirr, Z Czyczula, S D'Auria, M D'Onofrio, A D'Orazio, A Da Rocha Gesualdi Mello, PVM Da Silva, C Da Via, W Dabrowski, A Dahlhoff, T Dai, C Dallapiccola, SJ Dallison, J Dalmau, CH Daly, M Dam, M Dameri, HO Danielsson, R Dankers, D Dannheim, V Dao, G Darbo, GL Darlea, C Daum, JP Dauvergne, W Davey, T Davidek, N Davidson, R Davidson, M Davies, AR Davison, E Dawe, I Dawson, JW Dawson, RK Daya, K De, R de Asmundis, S De Castro, PE De Castro Faria Salgado, S De Cecco, J de Graat, N De Groot, P de Jong, E De La Cruz-Burelo, C De La Taille, B De Lotto, L De Mora, L De Nooij, M De Oliveira Branco, D De Pedis, P de Saintignon, A De Salvo, U De Sanctis, A De Santo, JB De Vivie De Regie, G De Zorzi, S Dean, G Dedes, DV Dedovich, PO Defay, J Degenhardt, M Dehchar, M Deile, C Del Papa, J Del Peso, T Del Prete, A Dell'acqua, L Dell'asta, M Della Pietra, D Della Volpe, M Delmastro, P Delpierre, N Delruelle, PA Delsart, C Deluca, S Demers, M Demichev, B Demirkoz, J Deng, W Deng, SP Denisov, C Dennis, JE Derkaoui, F Derue, P Dervan, K Desch, PO Deviveiros, A Dewhurst, B Dewilde, S Dhaliwal, R Dhullipudi, A Di Ciaccio, L Di Ciaccio, A Di Domenico, A Di Girolamo, B Di Girolamo, S Di Luise, A Di Mattia, R Di Nardo, A Di Simone, R Di Sipio, MA Diaz, MM Diaz Gomez, F Diblen, EB Diehl, H Dietl, J Dietrich, TA Dietzsch, S 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Engelmann, A Engl, B Epp, A Eppig, J Erdmann, A Ereditato, V Eremin, D Eriksson, I Ermoline, J Ernst, M Ernst, J Ernwein, D Errede, S Errede, E Ertel, M Escalier, C Escobar, X Espinal Curull, B Esposito, F Etienne, AI Etienvre, E Etzion, H Evans, VN Evdokimov, L Fabbri, C Fabre, K Facius, RM Fakhrutdinov, S Falciano, AC Falou, Y Fang, M Fanti, A Farbin, A Farilla, J Farley, T Farooque, SM Farrington, P Farthouat, D Fasching, P Fassnacht, D Fassouliotis, B Fatholahzadeh, L Fayard, S Fazio, R Febbraro, P Federic, OL Fedin, I Fedorko, W Fedorko, M Fehling-Kaschek, L Feligioni, CU Felzmann, C Feng, EJ Feng, AB Fenyuk, J Ferencei, D Ferguson, J Ferland, B Fernandes, W Fernando, S Ferrag, J Ferrando, V Ferrara, A Ferrari, P Ferrari, R Ferrari, A Ferrer, ML Ferrer, D Ferrere, C Ferretti, A Ferretto Parodi, F Ferro, M Fiascaris, F Fiedler, A Filipčič, A Filippas, F Filthaut, M Fincke-Keeler, MCN Fiolhais, L Fiorini, A Firan, G Fischer, P Fischer, MJ Fisher, SM Fisher, J Flammer, M Flechl, I Fleck, J Fleckner, P Fleischmann, S Fleischmann, T Flick, LR Flores Castillo, MJ Flowerdew, F Föhlisch, M Fokitis, T Fonseca Martin, J Fopma, DA Forbush, A Formica, A Forti, D Fortin, JM Foster, D Fournier, A Foussat, AJ Fowler, K Fowler, H Fox, P Francavilla, S Franchino, D Francis, M Franklin, S Franz, M Fraternali, S Fratina, J Freestone, ST French, R Froeschl, D Froidevaux, JA Frost, C Fukunaga, E Fullana Torregrosa, J Fuster, C Gabaldon, O Gabizon, T Gadfort, S Gadomski, G Gagliardi, P Gagnon, C Galea, EJ Gallas, MV Gallas, V Gallo, BJ Gallop, P Gallus, E Galyaev, KK Gan, YS Gao, VA Gapienko, A Gaponenko, M Garcia-Sciveres, C García, JE García Navarro, RW Gardner, N Garelli, H Garitaonandia, V Garonne, J Garvey, C Gatti, G Gaudio, O Gaumer, V Gautard, P Gauzzi, IL Gavrilenko, C Gay, G Gaycken, J-C Gayde, EN Gazis, P Ge, CNP Gee, Ch Geich-Gimbel, K Gellerstedt, C Gemme, MH Genest, S Gentile, F Georgatos, S George, P Gerlach, A Gershon, C Geweniger, H Ghazlane, P Ghez, N Ghodbane, B Giacobbe, S Giagu, V Giakoumopoulou, V Giangiobbe, F Gianotti, B Gibbard, A Gibson, SM Gibson, GF Gieraltowski, LM Gilbert, M Gilchriese, O Gildemeister, V Gilewsky, D Gillberg, AR Gillman, DM Gingrich, J Ginzburg, N Giokaris, MP Giordani, R Giordano, FM Giorgi, P Giovannini, PF Giraud, P Girtler, D Giugni, P Giusti, BK Gjelsten, LK Gladilin, C Glasman, J Glatzer, A Glazov, KW Glitza, GL Glonti, KG Gnanvo, J Godfrey, J Godlewski, M Goebel, T Göpfert, C Goeringer, C Gössling, T Göttfert, V Goggi, S Goldfarb, D Goldin, T Golling, NP Gollub, SN Golovnia, A Gomes, LS Gomez Fajardo, R Gonçalo, L Gonella, C Gong, A Gonidec, S Gonzalez, S González de la Hoz, ML Gonzalez Silva, B Gonzalez-Pineiro, S Gonzalez-Sevilla, JJ Goodson, L Goossens, PA Gorbounov, HA Gordon, I Gorelov, G Gorfine, B Gorini, E Gorini, A Gorišek, E Gornicki, SA Gorokhov, BT Gorski, VN Goryachev, B Gosdzik, M Gosselink, MI Gostkin, M Gouanère, I Gough Eschrich, M Gouighri, D Goujdami, MP Goulette, AG Goussiou, C Goy, I Grabowska-Bold, V Grabski, P Grafström, C Grah, K-J Grahn, F Grancagnolo, S Grancagnolo, V Grassi, V Gratchev, N Grau, HM Gray, JA Gray, E Graziani, OG Grebenyuk, B Green, D Greenfield, T Greenshaw, ZD Greenwood, IM Gregor, P Grenier, A Grewal, E Griesmayer, J Griffiths, N Grigalashvili, AA Grillo, K Grimm, S Grinstein, PLY Gris, YV Grishkevich, J-F Grivaz, LS Groer, J Grognuz, M Groh, M Groll, E Gross, J Grosse-Knetter, J Groth-Jensen, M Gruwe, K Grybel, VJ Guarino, C Guicheney, A Guida, T Guillemin, H Guler, J Gunther, B Guo, A Gupta, Y Gusakov, VN Gushchin, A Gutierrez, P Gutierrez, N Guttman, O Gutzwiller, C Guyot, C Gwenlan, CB Gwilliam, A Haas, S Haas, C Haber, G Haboubi, R Hackenburg, HK Hadavand, DR Hadley, C Haeberli, P Haefner, R Härtel, F Hahn, S Haider, Z Hajduk, H Hakobyan, J Haller, GD Hallewell, K Hamacher, A Hamilton, S Hamilton, H Han, L Han, K Hanagaki, M Hance, C Handel, P Hanke, CJ Hansen, JR Hansen, JB Hansen, JD Hansen, PH Hansen, T Hansl-Kozanecka, P Hansson, K 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Ukegawa, G Unal, DG Underwood, A Undrus, G Unel, Y Unno, D Urbaniec, E Urkovsky, P Urquijo, P Urrejola, G Usai, M Uslenghi, L Vacavant, V Vacek, B Vachon, S Vahsen, C Valderanis, J Valenta, P Valente, S Valentinetti, S Valkar, E Valladolid Gallego, S Vallecorsa, JA Valls Ferrer, R Van Berg, H van der Graaf, E van der Kraaij, E van der Poel, D van der Ster, B Van Eijk, N van Eldik, P van Gemmeren, Z van Kesteren, I van Vulpen, W Vandelli, G Vandoni, A Vaniachine, P Vankov, F Vannucci, F Varela Rodriguez, R Vari, EW Varnes, D Varouchas, A Vartapetian, KE Varvell, L Vasilyeva, VI Vassilakopoulos, F Vazeille, G Vegni, JJ Veillet, C Vellidis, F Veloso, R Veness, S Veneziano, A Ventura, D Ventura, S Ventura, M Venturi, N Venturi, V Vercesi, M Verducci, W Verkerke, JC Vermeulen, L Vertogardov, MC Vetterli, I Vichou, T Vickey, GHA Viehhauser, S Viel, M Villa, EG Villani, M Villaplana Perez, E Vilucchi, MG Vincter, E Vinek, VB Vinogradov, M Virchaux, S Viret, J Virzi, A Vitale, O Vitells, I Vivarelli, F Vives Vaque, S Vlachos, M Vlasak, N Vlasov, A Vogel, H Vogt, P Vokac, M Volpi, G Volpini, H von der Schmitt, J von Loeben, H von Radziewski, E von Toerne, V Vorobel, AP Vorobiev, V Vorwerk, M Vos, R Voss, TT Voss, JH Vossebeld, AS Vovenko, N Vranjes, M Vranjes Milosavljevic, V Vrba, M Vreeswijk, T Vu Anh, D Vudragovic, R Vuillermet, I Vukotic, W Wagner, P Wagner, H Wahlen, J Walbersloh, J Walder, R Walker, W Walkowiak, R Wall, P Waller, C Wang, H Wang, J Wang, JC Wang, SM Wang, A Warburton, CP Ward, M Warsinsky, R Wastie, PM Watkins, AT Watson, MF Watson, G Watts, S Watts, AT Waugh, BM Waugh, M Webel, J Weber, M Weber, MS Weber, P Weber, AR Weidberg, J Weingarten, C Weiser, H Wellenstein, HP Wellisch, PS Wells, M Wen, T Wenaus, S Wendler, Z Weng, T Wengler, S Wenig, N Wermes, M Werner, P Werner, M Werth, U Werthenbach, M Wessels, K Whalen, SJ Wheeler-Ellis, SP Whitaker, A White, MJ White, S White, SR Whitehead, D Whiteson, D Whittington, F Wicek, D Wicke, FJ Wickens, W Wiedenmann, M Wielers, P Wienemann, C Wiglesworth, LAM Wiik, A Wildauer, MA Wildt, I Wilhelm, HG Wilkens, JZ Will, E Williams, HH Williams, W Willis, S Willocq, JA Wilson, MG Wilson, A Wilson, I Wingerter-Seez, S Winkelmann, F Winklmeier, M Wittgen, E Woehrling, MW Wolter, H Wolters, BK Wosiek, J Wotschack, MJ Woudstra, K Wraight, C Wright, D Wright, B Wrona, SL Wu, X Wu, J Wuestenfeld, E Wulf, R Wunstorf, BM Wynne, L Xaplanteris, S Xella, S Xie, Y Xie, C Xu, D Xu, G Xu, N Xu, B Yabsley, M Yamada, A Yamamoto, K Yamamoto, S Yamamoto, T Yamamura, J Yamaoka, T Yamazaki, Y Yamazaki, Z Yan, H Yang, S Yang, UK Yang, Y Yang, Y Yang, Z Yang, W-M Yao, Y Yao, Y Yasu, J Ye, S Ye, M Yilmaz, R Yoosoofmiya, K Yorita, R Yoshida, C Young, SP Youssef, D Yu, J Yu, J Yu, J Yuan, L Yuan, A Yurkewicz, VG Zaets, R Zaidan, AM Zaitsev, Z Zajacova, Yo K Zalite, V Zambrano, L Zanello, P Zarzhitsky, A Zaytsev, M Zdrazil, C Zeitnitz, M Zeller, PF Zema, A Zemla, C Zendler, AV Zenin, O Zenin, T Zenis, Z Zenonos, S Zenz, D Zerwas, G Zevi Della Porta, Z Zhan, H Zhang, J Zhang, Q Zhang, X Zhang, L Zhao, T Zhao, Z Zhao, A Zhemchugov, S Zheng, J Zhong, B Zhou, N Zhou, Y Zhou, CG Zhu, H Zhu, Y Zhu, X Zhuang, V Zhuravlov, B Zilka, R Zimmermann, S Zimmermann, S Zimmermann, M Ziolkowski, R Zitoun, L Zivković, VV Zmouchko, G Zobernig, A Zoccoli, Y Zolnierowski, A Zsenei, M Zur Nedden, V Zutshi, ATLAS CollaborationAbstract:
A search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315 nb⁻¹ collected by the ATLAS detector. No resonances were observed. Upper limits were set on the product of cross section and signal acceptance for excited-quark (q*) production as a function of q* mass. These exclude at the 95% C.L. the q* mass interval 0.30The ATLAS Simulation Infrastructure
European Physical Journal C 70:3 (2010) 823-874
Authors:
The ATLAS Collaboration, G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, BS Acharya, DL Adams, TN Addy, J Adelman, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, H Ahmed, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Aktas, MS Alam, MA Alam, S Albrand, M Aleksa, IN Aleksandrov, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, MG Alviggi, K Amako, C Amelung, A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen, CF Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Annovi, A Antonaki, M Antonelli, S Antonelli, J Antos, B Antunovic, F Anulli, S Aoun, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, JF Arguin, T Argyropoulos, M Arik, AJ Armbruster, O Arnaez, C Arnault, A Artamonov, D Arutinov, M Asai, S Asai, R Asfandiyarov, S Ask, B Åsman, D Asner, L Asquith, K Assamagan, A Astbury, A AstvatsatourovAbstract:
The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid. This simulation requires many components, from the generators that simulate particle collisions, through packages simulating the response of the various detectors and triggers. All of these components come together under the ATLAS simulation infrastructure. In this paper, that infrastructure is discussed, including that supporting the detector description, interfacing the event generation, and combining the GEANT4 simulation of the response of the individual detectors. Also described are the tools allowing the software validation, performance testing, and the validation of the simulated output against known physics processes. © 2010 CERN for the benefit of the ATLAS collaboration.Charged-particle multiplicities in pp interactions at √s=900 GeV measured with the ATLAS detector at the LHC ATLAS Collaboration
PHYSICS LETTERS B 688:1 (2010) 21-42