Search for heavy, top-like quark pair production in the dilepton final state in pp collisions at sqrt(s) = 7 TeV
ArXiv 1203.541 (2012)
Closing in on Asymmetric Dark Matter I: Model independent limits for interactions with quarks
ArXiv 1203.4854 (2012)
Authors:
John March-Russell, James Unwin, Stephen M WestAbstract:
It is argued that experimental constraints on theories of asymmetric dark matter (ADM) almost certainly require that the DM be part of a richer hidden sector of interacting states of comparable mass or lighter. A general requisite of models of ADM is that the vast majority of the symmetric component of the DM number density must be removed in order to explain the observed relationship $\Omega_B\sim\Omega_{DM}$ via the DM asymmetry. Demanding the efficient annihilation of the symmetric component leads to a tension with experimental limits if the annihilation is directly to Standard Model (SM) degrees of freedom. A comprehensive effective operator analysis of the model independent constraints on ADM from direct detection experiments and LHC monojet searches is presented. Notably, the limits obtained essentially exclude models of ADM with mass 1GeV$\lesssim m_{DM} \lesssim$ 100GeV annihilating to SM quarks via heavy mediator states. This motivates the study of portal interactions between the dark and SM sectors mediated by light states. Resonances and threshold effects involving the new light states are shown to be important for determining the exclusion limits.Closing in on Asymmetric Dark Matter I: Model independent limits for interactions with quarks
(2012)
Authors:
John March-Russell, James Unwin, Stephen M WestInclusive J/psi production in pp collisions at sqrt(s) = 2.76 TeV
ArXiv 1203.3641 (2012)
Authors:
ALICE Collaboration, B Abelev, J Adam, D Adamova, AM Adare, MM Aggarwal, G Aglieri Rinella, AG Agocs, A Agostinelli, S Aguilar Salazar, Z Ahammed, A Ahmad Masoodi, N Ahmad, SU Ahn, A Akindinov, D Aleksandrov, B Alessandro, R Alfaro Molina, A Alici, A Alkin, E Almaraz Avina, J Alme, T Alt, V Altini, S Altinpinar, I Altsybeev, C Andrei, A Andronic, V Anguelov, J Anielski, C Anson, T Anticic, F Antinori, P Antonioli, L Aphecetche, H Appelshauser, N Arbor, S Arcelli, A Arend, N Armesto, R Arnaldi, T Aronsson, IC Arsene, M Arslandok, A Asryan, A Augustinus, R Averbeck, TC Awes, J Aysto, MD Azmi, M Bach, A Badala, YW Baek, R Bailhache, R Bala, R Baldini Ferroli, A Baldisseri, A Baldit, F Baltasar Dos Santos Pedrosa, J Ban, RC Baral, R Barbera, F Barile, GG Barnafoldi, LS Barnby, V Barret, J Bartke, M Basile, N Bastid, B Bathen, G Batigne, B Batyunya, C Baumann, IG Bearden, H Beck, I Belikov, F Bellini, R Bellwied, E Belmont-Moreno, G Bencedi, S Beole, I Berceanu, A Bercuci, Y Berdnikov, D Berenyi, C Bergmann, D Berzano, L Betev, A Bhasin, AK Bhati, L Bianchi, N Bianchi, C Bianchin, J Bielcik, J Bielcikova, S Bjelogrlic, F Blanco, F Blanco, D Blau, C Blume, M Boccioli, N Bock, A Bogdanov, H Boggild, M Bogolyubsky, L Boldizsar, M Bombara, J Book, H Borel, A Borissov, S Bose, F Bossu, M Botje, S Bottger, B Boyer, E Braidot, P Braun-Munzinger, M Bregant, T Breitner, TA Browning, M Broz, R Brun, E Bruna, GE Bruno, D Budnikov, H Buesching, S Bufalino, K Bugaiev, O Busch, Z Buthelezi, D Caballero Orduna, D Caffarri, X Cai, H Caines, E Calvo Villar, P Camerini, V Canoa Roman, G Cara Romeo, W Carena, F Carena, N Carlin Filho, F Carminati, CA Carrillo Montoya, A Casanova Diaz, J Castillo Castellanos, JF Castillo Hernandez, EAR Casula, V Catanescu, C Cavicchioli, J Cepila, P Cerello, B Chang, S Chapeland, JL Charvet, S Chattopadhyay, S Chattopadhyay, I Chawla, M Cherney, C Cheshkov, B Cheynis, E Chiavassa, V Chibante Barroso, DD Chinellato, P Chochula, M Chojnacki, P Christakoglou, CH Christensen, P Christiansen, T Chujo, SU Chung, C Cicalo, L Cifarelli, F Cindolo, J Cleymans, F Coccetti, F Colamaria, D Colella, G Conesa Balbastre, Z Conesa del Valle, P Constantin, G Contin, JG Contreras, TM Cormier, Y Corrales Morales, P Cortese, I Cortes Maldonado, MR Cosentino, F Costa, ME Cotallo, E Crescio, P Crochet, E Cruz Alaniz, E Cuautle, L Cunqueiro, A Dainese, HH Dalsgaard, A Danu, K Das, I Das, D Das, A Dash, S Dash, S De, GOV de Barros, A De Caro, G de Cataldo, J de Cuveland, A De Falco, D De Gruttola, H Delagrange, E Del Castillo Sanchez, A Deloff, V Demanov, N De Marco, E Denes, S De Pasquale, A Deppman, GD Erasmo, R de Rooij, MA Diaz Corchero, D Di Bari, T Dietel, C Di Giglio, S Di Liberto, A Di Mauro, P Di Nezza, R Divia, O Djuvsland, A Dobrin, T Dobrowolski, I Dominguez, B Donigus, O Dordic, O Driga, AK Dubey, L Ducroux, P Dupieux, AK Dutta Majumdar, MR Dutta Majumdar, D Elia, D Emschermann, H Engel, HA Erdal, B Espagnon, M Estienne, S Esumi, D Evans, G Eyyubova, D Fabris, J Faivre, D Falchieri, A Fantoni, M Fasel, R Fearick, A Fedunov, D Fehlker, L Feldkamp, D Felea, G Feofilov, A Fernandez Tellez, EG Ferreiro, A Ferretti, R Ferretti, J Figiel, MAS Figueredo, S Filchagin, D Finogeev, FM Fionda, EM Fiore, M Floris, S Foertsch, P Foka, S Fokin, E Fragiacomo, M Fragkiadakis, U Frankenfeld, U Fuchs, C Furget, M Fusco Girard, JJ Gaardhoje, M Gagliardi, A Gago, M Gallio, DR Gangadharan, P Ganoti, C Garabatos, E Garcia-Solis, I Garishvili, J Gerhard, M Germain, C Geuna, A Gheata, M Gheata, B Ghidini, P Ghosh, P Gianotti, MR Girard, P Giubellino, E Gladysz-Dziadus, P Glassel, R Gomez, LH Gonzalez-Trueba, P Gonzalez-Zamora, S Gorbunov, A Goswami, S Gotovac, V Grabski, LK Graczykowski, R Grajcarek, A Grelli, A Grigoras, C Grigoras, V Grigoriev, A Grigoryan, S Grigoryan, B Grinyov, N Grion, P Gros, JF Grosse-Oetringhaus, J-Y Grossiord, R Grosso, F Guber, R Guernane, C Guerra Gutierrez, B Guerzoni, M Guilbaud, K Gulbrandsen, T Gunji, A Gupta, R Gupta, H Gutbrod, O Haaland, C Hadjidakis, M Haiduc, H Hamagaki, G Hamar, BH Han, LD Hanratty, A Hansen, Z Harmanova, JW Harris, M Hartig, D Hasegan, D Hatzifotiadou, A Hayrapetyan, ST Heckel, M Heide, H Helstrup, A Herghelegiu, G Herrera Corral, N Herrmann, KF Hetland, B Hicks, PT Hille, B Hippolyte, T Horaguchi, Y Hori, P Hristov, I Hrivnacova, M Huang, S Huber, TJ Humanic, DS Hwang, R Ichou, R Ilkaev, I Ilkiv, M Inaba, E Incani, GM Innocenti, PG Innocenti, M Ippolitov, M Irfan, C Ivan, V Ivanov, A Ivanov, M Ivanov, O Ivanytskyi, A Jacholkowski, PM Jacobs, L Jancurova, HJ Jang, S Jangal, MA Janik, R Janik, PHSY Jayarathna, S Jena, RT Jimenez Bustamante, L Jirden, PG Jones, H Jung, A Jusko, AB Kaidalov, V Kakoyan, S Kalcher, P Kalinak, M Kalisky, T Kalliokoski, A Kalweit, K Kanaki, JH Kang, V Kaplin, A Karasu Uysal, O Karavichev, T Karavicheva, E Karpechev, A Kazantsev, U Kebschull, R Keidel, MM Khan, SA Khan, P Khan, A Khanzadeev, Y Kharlov, B Kileng, M Kim, JS Kim, DJ Kim, T Kim, B Kim, S Kim, SH Kim, DW Kim, JH Kim, S Kirsch, I Kisel, S Kiselev, A Kisiel, JL Klay, J Klein, C Klein-Bosing, M Kliemant, A Kluge, ML Knichel, AG Knospe, K Koch, MK Kohler, A Kolojvari, V Kondratiev, N Kondratyeva, A Konevskikh, A Korneev, C Kottachchi Kankanamge Don, R Kour, M Kowalski, S Kox, G Koyithatta Meethaleveedu, J Kral, I Kralik, F Kramer, I Kraus, T Krawutschke, M Krelina, M Kretz, M Krivda, F Krizek, M Krus, E Kryshen, M Krzewicki, Y Kucheriaev, C Kuhn, PG Kuijer, P Kurashvili, A Kurepin, AB Kurepin, A Kuryakin, S Kushpil, V Kushpil, H Kvaerno, MJ Kweon, Y Kwon, P Ladron de Guevara, I Lakomov, R Langoy, C Lara, A Lardeux, P La Rocca, C Lazzeroni, R Lea, Y Le Bornec, SC Lee, KS Lee, F Lefevre, J Lehnert, L Leistam, M Lenhardt, V Lenti, H Leon, I Leon Monzon, H Leon Vargas, P Levai, J Lien, R Lietava, S Lindal, V Lindenstruth, C Lippmann, MA Lisa, L Liu, PI Loenne, VR Loggins, V Loginov, S Lohn, D Lohner, C Loizides, KK Loo, X Lopez, E Lopez Torres, G Lovhoiden, X-G Lu, P Luettig, M Lunardon, J Luo, G Luparello, L Luquin, C Luzzi, K Ma, R Ma, DM Madagodahettige-Don, A Maevskaya, M Mager, DP Mahapatra, A Maire, M Malaev, I Maldonado Cervantes, L Malinina, D Mal'Kevich, P Malzacher, A Mamonov, L Manceau, L Mangotra, V Manko, F Manso, V Manzari, Y Mao, M Marchisone, J Mares, GV Margagliotti, A Margotti, A Marin, CA Marin Tobon, C Markert, I Martashvili, P Martinengo, MI Martinez, A Martinez Davalos, G Martinez Garcia, Y Martynov, A Mas, S Masciocchi, M Masera, A Masoni, L Massacrier, M Mastromarco, A Mastroserio, ZL Matthews, A Matyja, D Mayani, C Mayer, J Mazer, MA Mazzoni, F Meddi, A Menchaca-Rocha, J Mercado Perez, M Meres, Y Miake, L Milano, J Milosevic, A Mischke, AN Mishra, D Miskowiec, C Mitu, J Mlynarz, AK Mohanty, B Mohanty, L Molnar, L Montano Zetina, M Monteno, E Montes, T Moon, M Morando, DA Moreira De Godoy, S Moretto, A Morsch, V Muccifora, E Mudnic, S Muhuri, H Muller, MG Munhoz, L Musa, A Musso, BK Nandi, R Nania, E Nappi, C Nattrass, NP Naumov, S Navin, TK Nayak, S Nazarenko, G Nazarov, A Nedosekin, M Nicassio, BS Nielsen, T Niida, S Nikolaev, V Nikolic, V Nikulin, S Nikulin, BS Nilsen, MS Nilsson, F Noferini, P Nomokonov, G Nooren, N Novitzky, A Nyanin, A Nyatha, C Nygaard, J Nystrand, A Ochirov, H Oeschler, SK Oh, S Oh, J Oleniacz, C Oppedisano, A Ortiz Velasquez, G Ortona, A Oskarsson, P Ostrowski, J Otwinowski, G Ovrebekk, K Oyama, K Ozawa, Y Pachmayer, M Pachr, F Padilla, P Pagano, G Paic, F Painke, C Pajares, SK Pal, S Pal, A Palaha, A Palmeri, V Papikyan, GS Pappalardo, WJ Park, A Passfeld, B Pastircak, DI Patalakha, V Paticchio, A Pavlinov, T Pawlak, T Peitzmann, E Pereira De Oliveira Filho, D Peresunko, CE Perez Lara, E Perez Lezama, D Perini, D Perrino, W Peryt, A Pesci, V Peskov, Y Pestov, V Petracek, M Petran, M Petris, P Petrov, M Petrovici, C Petta, S Piano, A Piccotti, M Pikna, P Pillot, O Pinazza, L Pinsky, N Pitz, F Piuz, DB Piyarathna, M Ploskon, J Pluta, T Pocheptsov, S Pochybova, PLM Podesta-Lerma, MG Poghosyan, K Polak, B Polichtchouk, A Pop, S Porteboeuf-Houssais, V Pospisil, B Potukuchi, SK Prasad, R Preghenella, F Prino, CA Pruneau, I Pshenichnov, S Puchagin, G Puddu, J Pujol Teixido, A Pulvirenti, V Punin, M Putis, J Putschke, E Quercigh, H Qvigstad, A Rachevski, A Rademakers, S Radomski, TS Raiha, J Rak, A Rakotozafindrabe, L Ramello, A Ramirez Reyes, S Raniwala, R Raniwala, SS Rasanen, BT Rascanu, D Rathee, KF Read, JS Real, K Redlich, P Reichelt, M Reicher, R Renfordt, AR Reolon, A Reshetin, F Rettig, J-P Revol, K Reygers, L Riccati, RA Ricci, T Richert, M Richter, P Riedler, W Riegler, F Riggi, M Rodriguez Cahuantzi, K Roed, D Rohr, D Rohrich, R Romita, F Ronchetti, P Rosnet, S Rossegger, A Rossi, F Roukoutakis, C Roy, P Roy, AJ Rubio Montero, R Rui, E Ryabinkin, A Rybicki, S Sadovsky, K Safarik, R Sahoo, PK Sahu, J Saini, H Sakaguchi, S Sakai, D Sakata, CA Salgado, J Salzwedel, S Sambyal, V Samsonov, X Sanchez Castro, L Sandor, A Sandoval, S Sano, M Sano, R Santo, R Santoro, J Sarkamo, E Scapparone, F Scarlassara, RP Scharenberg, C Schiaua, R Schicker, HR Schmidt, C Schmidt, S Schreiner, S Schuchmann, J Schukraft, Y Schutz, K Schwarz, K Schweda, G Scioli, E Scomparin, PA Scott, R Scott, G Segato, I Selyuzhenkov, S Senyukov, J Seo, S Serci, E Serradilla, A Sevcenco, I Sgura, A Shabetai, G Shabratova, R Shahoyan, N Sharma, S Sharma, K Shigaki, M Shimomura, K Shtejer, Y Sibiriak, M Siciliano, E Sicking, S Siddhanta, T Siemiarczuk, D Silvermyr, C Silvestre, G Simonetti, R Singaraju, R Singh, S Singha, T Sinha, BC Sinha, B Sitar, M Sitta, TB Skaali, K Skjerdal, R Smakal, N Smirnov, RJM Snellings, C Sogaard, R Soltz, H Son, M Song, J Song, C Soos, F Soramel, I Sputowska, M Spyropoulou-Stassinaki, BK Srivastava, J Stachel, I Stan, I Stan, G Stefanek, G Stefanini, T Steinbeck, M Steinpreis, E Stenlund, G Steyn, D Stocco, M Stolpovskiy, K Strabykin, P Strmen, AAP Suaide, MA Subieta Vasquez, T Sugitate, C Suire, M Sukhorukov, R Sultanov, M Sumbera, T Susa, A Szanto de Toledo, I Szarka, A Szostak, C Tagridis, J Takahashi, JD Tapia Takaki, A Tauro, G Tejeda Munoz, A Telesca, C Terrevoli, J Thader, D Thomas, R Tieulent, AR Timmins, D Tlusty, A Toia, H Torii, L Toscano, F Tosello, D Truesdale, WH Trzaska, T Tsuji, A Tumkin, R Turrisi, TS Tveter, J Ulery, K Ullaland, J Ulrich, A Uras, J Urban, GM Urciuoli, GL Usai, M Vajzer, M Vala, L Valencia Palomo, S Vallero, N van der Kolk, P Vande Vyvre, M van Leeuwen, L Vannucci, A Vargas, R Varma, M Vasileiou, A Vasiliev, V Vechernin, M Veldhoen, M Venaruzzo, E Vercellin, S Vergara, DC Vernekohl, R Vernet, M Verweij, L Vickovic, G Viesti, O Vikhlyantsev, Z Vilakazi, O Villalobos Baillie, A Vinogradov, Y Vinogradov, L Vinogradov, T Virgili, YP Viyogi, A Vodopyanov, S Voloshin, K Voloshin, G Volpe, B von Haller, D Vranic, J Vrlakova, B Vulpescu, A Vyushin, B Wagner, V Wagner, R Wan, Y Wang, D Wang, Y Wang, M Wang, K Watanabe, JP Wessels, U Westerhoff, J Wiechula, J Wikne, M Wilde, G Wilk, A Wilk, MCS Williams, B Windelband, L Xaplanteris Karampatsos, H Yang, S Yang, S Yasnopolskiy, J Yi, Z Yin, H Yokoyama, I-K Yoo, J Yoon, W Yu, X Yuan, I Yushmanov, C Zach, C Zampolli, S Zaporozhets, A Zarochentsev, P Zavada, N Zaviyalov, H Zbroszczyk, P Zelnicek, IS Zgura, M Zhalov, X Zhang, D Zhou, Y Zhou, F Zhou, X Zhu, A Zichichi, A Zimmermann, G Zinovjev, Y Zoccarato, M ZynovyevAbstract:
The ALICE Collaboration has measured inclusive J/psi production in pp collisions at a center of mass energy sqrt(s)=2.76 TeV at the LHC. The results presented in this Letter refer to the rapidity ranges |y|<0.9 and 2.5Search for the standard model Higgs boson in the decay channel H→ZZ→4ℓ in pp collisions at √s=7 TeV.
Phys Rev Lett 108:11 (2012) 111804