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Observation of isolated high-E_T photons in deep inelastic scattering

ArXiv hep-ex/0402019 (2004)
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Search for Pair Production of Scalar Top Quarks in R-Parity Violating Decay Modes in pp̄ Collisions at √s = 1.8 TeV

Physical Review Letters 92:5 (2004) 518031-518037

Authors:

D Acosta, T Affolder, H Akimoto, MG Albrow, D Ambrose, D Amidei, K Anikeev, J Antos, G Apollinari, T Arisawa, A Artikov, T Asakawa, W Ashmanskas, F Azfar, P Azzi-Bacchetta, N Bacchetta, H Bachacou, W Badgett, S Bailey, P de Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, S Baroiant, M Barone, G Bauer, F Bedeschi, S Behari, S Belforte, WH Bell, G Bellettini, J Bellinger, D Benjamin, J Bensinger, A Beretvas, J Berryhill, A Bhatti, M Binkley, D Bisello, M Bishai, RE Blair, C Blocker, K Bloom, B Blumenfeld, SR Blusk, A Bocci, A Bodek, G Bolla, A Bolshov, Y Bonushkin, D Bortoletto, J Boudreau, A Brandl, C Bromberg, M Brozovic, E Brubaker, N Bruner, J Budagov, HS Budd, K Burkett, G Busetto, KL Byrum, S Cabrera, P Calafiura, M Campbell, W Carithers, J Carlson, D Carlsmith, W Caskey, A Castro, D Cauz, A Cerri, L Cerrito, AW Chan, PS Chang, PT Chang, J Chapman, C Chen, YC Chen, MT Cheng, M Chertok, G Chiarelli, I Chirikov-Zorin, G Chlachidze, F Chlebana, L Christofek, ML Chu, JY Chung, WH Chung, YS Chung, CI Ciobanu, AG Clark, M Coca, AP Colijn, A Connolly, M Convery, J Conway, M Cordelli, J Cranshaw, R Culbertson

Abstract:

The search for pair production of scalar top quarks in an R-parity violating supersymmetry scenario in 106 pb-f of pp̄ collisions at √s = 1.8 TeV collected by the Collider Detector at Fermilab was discussed. It was found that in this mode each t1̃ decayed into a τ lepton and a b quark. The events with two τ's, one decaying leptonically and one decaying hadronically and two jets were searched. It was observed that a 95% confidence level lower limit was set on the t 1̄ mass at 122 GeV/c2 for Br(t1̃ → τb).
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The CDF Run IIb silicon detector

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 518:1-2 (2004) 270-276

Authors:

M Aoki, N Bacchetta, S Behari, D Benjamin, D Bisello, G Bolla, D Bortoletto, A Burghard, G Busetto, S Cabrera, A Canepa, A Castro, G Cardoso, M Chertok, C Ciobanu, G Derylo, I Fang, B Flaugher, J Freeman, L Galtieri, J Galyardt, M Garcia-Sciveres, G Giurgiu, I Gorelov, C Haber, K Hara, M Hoeferkamp, B Holbrook, M Hrycyk, T Junk, S Kim, K Kobayashi, B Krieger, M Kruse, R Lander, R-S Lu, P Lukens, L Malferrari, C Manea, A Margotti, P Maksimovic, P Merkel, S Moccia, I Nakano, D Naoumov, J Novak, T Okusawa, Y Orlov, G Pancaldi, D Pantano, V Pavlicek, D Pellett, S Seidel, F Semeria, Y Takei, R Tanaka, Z Wang, P Watje, M Weber, W Wester, T Wilkes, K Yamamoto, W Yao, W Yao, S Zimmermann, S Zucchelli, A Zucchini
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Photoproduction of $D^{*\pm}$ mesons associated with a leading neutron

ArXiv hep-ex/0401017 (2004)
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Search for contact interactions, large extra dimensions and finite quark radius in ep collisions at HERA

ArXiv hep-ex/0401009 (2004)
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