Details

Autor(en) / Beteiligte

• Ancu, L S
• Anderson, S
• Arov, M
• Banerjee, S
• Barberis, E
• Baringer, P
• Begel, M
• Beri, S B
• Bezzubov, V A
• Binder, M
• Bos, K
• Bunichev, V
• Burdin, S
• Burke, S
• Cheu, E
• Chevallier, F
• Cho, D K
• Choudhary, B
• Couderc, F
• Davies, G
• de Jong, P
• De La Cruz-Burelo, E
• Demina, R
• Duflot, L
• Dyshkant, A
• Fuess, S
• Gavrilov, V
• Gillberg, D
• Gómez, B
• Greenwood, Z D
• Grenier, G
• Grünendahl, S
• Hanagaki, K
• Heinmiller, J M
• Heinson, A P
• Heintz, U
• Hensel, C
• Hobbs, J D
• Hoeneisen, B
• Hoeth, H
• Johns, K
• Kalinin, A M
• Kehoe, R
• Kothari, B
• Kunori, S
• Kupco, A
• Kvita, J
• Lazoflores, J
• Lee, W M
• Leflat, A
• Lipton, R
• Liu, Z
• Lynker, M
• Madaras, R J
• Mendoza, L
• Merritt, K W
• Meyer, J
• Mondal, N K
• Naimuddin, M
• Neustroev, P
• Nomerotski, A
• Oliveira, N
• Oshima, N
• Osta, J
• Parsons, J
• Perea, P M
• Petteni, M
• Pleier, M-A
• Pol, M-E
• Popov, A V
• Protopopescu, S
• Qian, J
• Ranjan, K
• Ripp-Baudot, I
• Savage, G
• Sekaric, J
• Severini, H
• Shabalina, E
• Shamim, M
• Shivpuri, R K
• Simak, V
• Slattery, P
• Snow, G R
• Söldner-Rembold, S
• Soustruznik, K
• Strandberg, J
• Ströhmer, R
• Taylor, W
• Temple, J
• Unalan, R
• Uvarov, L
• Varelas, N
• Voutilainen, M
• Wang, M H L S
• Watts, G
• Wetstein, M
• Yacoob, S
• Yan, M
• Zhu, J
• Zutshi, V

Titel

Evidence for production of single top quarks and first direct measurement of |Vtb

Ist Teil von

• Physical review letters, 2007-05, Vol.98 (18), p.181802-181802

Ort / Verlag

United States

Erscheinungsjahr

2007

Quelle

PROLA

Beschreibungen/Notizen

• The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron pp[over ] collider. Using a 0.9 fb(-1) dataset, we apply a multivariate analysis to separate signal from background and measure sigma(pp[over ]-->tb+X,tqb+X)=4.9+/-1.4 pb. The probability to measure a cross section at this value or higher in the absence of a signal is 0.035%, corresponding to a 3.4 standard deviation significance. We use the cross section measurement to directly determine the Cabibbo-Kobayashi-Maskawa matrix element that describes the Wtb coupling and find 0.68<|V(tb)|</=1 at 95% C.L. within the standard model.