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A search for t → τ ν q in t over(t, ̄) production

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics 639:3-4 (2006) 172-178

Authors:

A Abulencia, D Acosta, 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, JF Arguin, T Arisawa, A Artikov, W Ashmanskas, A Attal, F Azfar, P Azzi-Bacchetta, P Azzurri, N Bacchetta, H Bachacou, 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, E Ben-Haim, D Benjamin, A Beretvas, J Beringer, T Berry, A Bhatti, M Binkley, D Bisello, M Bishai, RE Blair, C Blocker, K Bloom, B Blumenfeld, A Bocci, A Bodek, V Boisvert, G Bolla, A Bolshov, D Bortoletto, J Boudreau, S Bourov, A Boveia, B Brau, C Bromberg, E Brubaker, J Budagov, HS Budd, S Budd, K Burkett, G Busetto, P Bussey, KL Byrum, S Cabrera, M Campanelli, M Campbell, F Canelli, A Canepa, D Carlsmith, R Carosi, S Carron, M Casarsa, A Castro, P Catastini, D Cauz, M Cavalli-Sforza, A Cerri, L Cerrito, SH Chang, J Chapman, YC Chen, M Chertok, G Chiarelli, G Chlachidze, F Chlebana, I Cho, K Cho, D Chokheli, JP Chou, PH Chu, SH Chuang, K Chung, WH Chung

Abstract:

We present a search for t over(t, ̄) events with a tau lepton in the final state. The data sample corresponds to an integrated luminosity of 194 pb-1 collected with the CDF II detector from p over(p, ̄) collisions at a center of mass energy of 1.96 TeV. We observe two events with an expected signal of 1.0 ± 0.2 events and a background of 1.3 ± 0.3 events. We determine a 95% confidence level upper limit on rτ, the ratio of the measured rate of t → τ ν q to the expectation, of 5.2. © 2006 Elsevier B.V. All rights reserved.
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Measurement of the isolated photon cross section in p over(p, ̄) collisions at sqrt(s) = 1.96   TeV

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 639:3-4 (2006) 151-158

Authors:

VM Abazov, B Abbott, M Abolins, BS Acharya, M Adams, T Adams, M Agelou, JL Agram, SH Ahn, M Ahsan, GD Alexeev, G Alkhazov, A Alton, G Alverson, GA Alves, M Anastasoaie, T Andeen, S Anderson, B Andrieu, Y Arnoud, M Arov, A Askew, B Åsman, ACS Assis Jesus, O Atramentov, C Autermann, C Avila, F Badaud, A Baden, L Bagby, B Baldin, PW Balm, DV Bandurin, P Banerjee, S Banerjee, E Barberis, P Bargassa, P Baringer, C Barnes, J Barreto, JF Bartlett, U Bassler, D Bauer, A Bean, S Beauceron, M Begalli, M Begel, A Bellavance, SB Beri, G Bernardi, R Bernhard, L Berntzon, I Bertram, M Besançon, R Beuselinck, VA Bezzubov, PC Bhat, V Bhatnagar, M Binder, C Biscarat, KM Black, I Blackler, G Blazey, F Blekman, S Blessing, D Bloch, U Blumenschein, A Boehnlein, O Boeriu, TA Bolton, F Borcherding, G Borissov, K Bos, T Bose, A Brandt, R Brock, G Brooijmans, A Bross, D Brown, NJ Buchanan, D Buchholz, M Buehler, V Buescher, S Burdin, S Burke, TH Burnett, E Busato, CP Buszello, JM Butler, S Calvet, J Cammin, S Caron, W Carvalho, BCK Casey, NM Cason, H Castilla-Valdez, S Chakrabarti, D Chakraborty, KM Chan, A Chandra

Abstract:

The cross section for the inclusive production of isolated photons has been measured in p over(p, ̄) collisions at sqrt(s) = 1.96   TeV with the DØ detector at the Fermilab Tevatron Collider. The photons span transverse momenta 23 to 300 GeV and have pseudorapidity | η | < 0.9. The cross section is compared with the results from two next-to-leading order perturbative QCD calculations. The theoretical predictions agree with the measurement within uncertainties. © 2006 Elsevier B.V. All rights reserved.
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Measurement of prompt photons with associated jets in photoproduction at HERA

ArXiv hep-ex/0608028 (2006)
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CP Studies and Non-Standard Higgs Physics

(2006)

Authors:

S Kraml, E Accomando, AG Akeroyd, E Akhmetzyanova, J Albert, A Alves, N Amapane, M Aoki, G Azuelos, S Baffioni, A Ballestrero, V Barger, A Bartl, P Bechtle, G Belanger, A Belhouari, R Bellan, A Belyaev, P Benes, K Benslama, W Bernreuther, M Besancon, G Bevilacqua, M Beyer, M Bluj, S Bolognesi, M Boonekamp, F Borzumati, F Boudjema, A Brandenburg, T Brauner, CP Buszello, JM Butterworth, M Carena, D Cavalli, G Cerminara, SY Choi, B Clerbaux, C Collard, JA Conley, A Deandrea, S De Curtis, R Dermisek, A De Roeck, G Dewhirst, MA Diaz, JL Diaz-Cruz, DD Dietrich, M Dolgopolov, D Dominici, M Dubinin, O Eboli, J Ellis, N Evans, L Fano, J Ferland, S Ferrag, SP Fitzgerald, H Fraas, F Franke, S Gennai, IF Ginzburg, RM Godbole, T Gregoire, G Grenier, C Grojean, SB Gudnason, JF Gunion, HE Haber, T Hahn, T Han, V Hankele, C Hays, S Heinemeyer, S Hesselbach, JL Hewett, K Hidaka, M Hirsch, W Hollik, D Hooper, J Hosek, J Hubisz, C Hugonie, J Kalinowski, S Kanemura, V Kashkan, T Kernreiter, W Khater, VA Khoze, W Kilian, SF King, O Kittel, G Klamke, JL Kneur, C Kouvaris, M Krawczyk, P Krstonosic, A Kyriakis, P Langacker, MP Le, H-S Lee, JS Lee, MC Lemaire, Y Liao, B Lillie, V Litvin, HE Logan, B McElrath, T Mahmoud, E Maina, C Mariotti, P Marquard, AD Martin, K Mazumdar, DJ Miller, P Mine, K Moenig, G Moortgat-Pick, S Moretti, MM Muhlleitner, S Munir, R Nevzorov, H Newman, P Niezurawski, A Nikitenko, R Noriega-Papaqui, Y Okada, P Osland, A Pilaftsis, W Porod, H Przysiezniak, A Pukhov, D Rainwater, A Raspereza, J Reuter, S Riemann, S Rindani, TG Rizzo, E Ros, A Rosado, D Rousseau, DP Roy, MG Ryskin, H Rzehak, F Sannino, E Schmidt, H Schroder, M Schumacher, A Semenov, E Senaha, G Shaughnessy, RK Singh, J Terning, L Vacavant, M Velasco, A Villanova del Moral, F von der Pahlen, G Weiglein, J Williams, K Williams, AF Zarnecki, D Zeppenfeld, D Zerwas, PM Zerwas, AR Zerwekh, J Ziethe
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Measurement of neutral current cross sections at high Bjorken-x with the ZEUS detector at HERA

ArXiv hep-ex/0608014 (2006)
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