Observation ofs-Channel Production of Single Top Quarks at the Tevatron

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 09 Jun 2014Embargo end date: 01 Jan 2014 Italy, Netherlands, Italy, United Kingdom, Hungary, Italy, Italy, Netherlands, Italy, Germany, Italy, Italy, Italy, Greece, Italy, France, United States, Italy, Italy, United Kingdom, Italy, United Kingdom, Spain, United Kingdom, Germany, United States, Italy English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 112 (issn: 0031-9007, eissn: 1079-7114,

Copyright policy )Publicly fundedFunded by:NSERC | unidentified, FCT | LA 1, EC | TAUKITFORNEWPHYSICS

Authors: Aaltonen, T.; Abazov, V. M.; Abbott, B.; Acharya, B. S.; Adams, M.; Adams, T.; Agnew, J. P.; +193 Authors

Aaltonen, T.; Abazov, V. M.; Abbott, B.; Acharya, B. S.; Adams, M.; Adams, T.; Agnew, J. P.; Alexeev, G. D.; Alkhazov, G.; Alton, A.; Amerio, S.; Amidei, D.; Anastassov; A.; Annovi, A.; Antos, J.; Apollinari, G.; Appel, J. A.; Arisawa, T.; Artikov, A.; Asaadi, J.; Ashmanskas, W.; Askew; A.; Atkins, S.; Auerbach, B.; Augsten, K.; Aurisano, A.; Avila, C.; Azfar, F.; Badaud, F.; Badgett, W.; Bae, T.; Bagby, L.; Baldin, B.; Bandurin, D. V.; Banerjee, S.; Barbaro-Galtieri, A.; Barberis, E.; Baringer, P.; Barnes, V. E.; Barnett, B. A.; Barria, P.; Bartlett, J. F.; Bartos, P.; Bassler, U.; Bauce, M.; Bazterra, V.; Bean, A.; Bedeschi, F.; Begalli, M.; Behari, S.; Bellantoni, L.; Bellettini, G.; Bellinger, J.; Benjamin, D.; Beretvas, A.; Beri, S. B.; Bernardi, G.; Bernhard, R.; Bertram, I.; Besanon, M.; Beuselinck, R.; Bhat, P. C.; Bhatia, S.; Bhatnagar, V.; Bhatti, A.; Bland, K. R.; Blazey, G.; Blessing, S.; Bloom; K.; Blumenfeld, B.; Bocci, A.; Bodek, A.; Boehnlein, A.; Boline, D.; Boos, E. E.; Borissov, G.; Bortoletto, D.; Borysova, M.; Boudreau, J.; Boveia, A.; Brandt, A.; Brandt; O.; Brigliadori, L.; Brock, R.; Bromberg, C.; Bross, A.; Brown, D.; Brucken, E.; Bu, X. B.; Budagov, J.; Budd, H. S.; Buehler, M.; Buescher, V.; Bunichev, V.; Burdin, S.; Burkett, K.; Busetto, G.; Bussey, P.; Buszello, C. P.; Butti, P.; Buzatu, A.; Calamba, A.; Camacho-Perez, E.; Camarda, S.; Campanelli, M.; Canelli, F.; Carls, B.; Carlsmith, D.; Carosi, R.; Carrillo, S.; Casal, B.; Casarsa; M.; Casey, B. C. K.; Castilla-Valdez, H.; Castro, A.; Catastini, P.; Caughron, S.; Cauz, D.; Cavaliere, V.; Cavalli-Sforza, M.; Cerri, A.; Cerrito, L.; Chakrabarti, S.; Chan, K. M.; Chandra, A.; Chapon, E.; Chen, G.; Chen, Y. C.; Chertok, M.; Chiarelli, G.; Chlachidze, G.; Cho, K.; Cho, S. W.; Choi, S.; Chokheli, D.; Choudhary, B.; Cihangir; S.; Claes, D.; Clark, A.; Clarke, C.; Clutter, J.; Convery, M. E.; Conway, J.; Cooke, M.; Cooper, W. E.; Corbo; M.; Corcoran, M.; Cordelli, M.; Couderc, F.; Cousinou, M.; -C.; Cox, C. A.; Cox, D. J.; Cremonesi, M.; Cruz, D.; Cuevas, J.; Culbertson, R.; Cutts, D.; Das, A.; d'Ascenzo; N.; Datta, M.; Davies, G.; De Barbaro, P.; De Jong, S. J.; De la Cruz-Burelo, E.; Deliot, F.; Demina, R.; Demortier; L.; Deninno, M.; Denisov, D.; Denisov, S. P.; D'Errico, M.; Desai, S.; Deterre, C.; DeVaughan, K.; Devoto, F.; Di; Canto, A.; Di Ruzza, B.; Diehl, H. T.; Diesburg, M.; Ding; P. F.; Dittmann, J. R.; Dominguez, A.; Donati, S.; D'Onofrio, M.; Dorigo, M.; Driutti, A.; Dubey, A.; Dudko, L.;

doi: 10.1103/physrevlett.112.231803 , 10.48550/arxiv.1402.5126

pmid: 24972197

arXiv: 1402.5126

Observation ofs-Channel Production of Single Top Quarks at the Tevatron

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Abstract

We report the first observation of single-top-quark production in the s channel through the combination of the CDF and D0 measurements of the cross section in proton-antiproton collisions at a center-of-mass energy of 1.96 TeV. The data correspond to total integrated luminosities of up to 9.7 fb-1 per experiment. The measured cross section is $σ_s = 1.29^{+0.26}_{-0.24}$ pb. The probability of observing a statistical fluctuation of the background to a cross section of the observed size or larger is $1.8 \times 10^{-10}$, corresponding to a significance of 6.3 standard deviations for the presence of an s-channel contribution to the production of single-top quarks.

11 pages, 5 figures, submitted to Phys. Rev. Lett

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Italy, Netherlands, Italy, United Kingdom, Hungary, Italy, Italy, Netherlands, Italy, Germany, Italy, Italy, Italy, Greece, Italy, France, United States, Italy, Italy, United Kingdom, Italy, United Kingdom, Spain, United Kingdom, Germany, United States, Italy

Related Organizations

Spanish National Research Council
Spain
National Institute for Nuclear Physics
Italy
Duke University
United States
Academia Sinica
Taiwan
Wayne State College
United States

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Keywords

General Physics, 550, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics, Multidisciplinary, P(P)OVER-BAR COLLISIONS, General Physics and Astronomy, FOS: Physical sciences, CHANGING NEUTRAL CURRENTS, Particle Physics; Collider Physics; Top quark; Single top production, 530, CHANGING NEUTRAL CURRENTS; B-JET IDENTIFICATION; P(P)OVER-BAR COLLISIONS; FERMILAB-TEVATRON; ROOT-S=1.96 TEV; COUPLINGS; DETECTOR; SEARCH; FB(-1); DECAYS, CDF Collaboration, High Energy Physics - Experiment, Physics and Astronomy (all), High Energy Physics - Experiment (hep-ex), HIGH ENERGY PHYSICS, CHANGING NEUTRAL CURRENTS; B-JET IDENTIFICATION; P(P)OVER-BAR COLLISIONS, SEARCH, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, FB(-1), SCALE, B-JET IDENTIFICATION, Multidisciplinary, CDF FERMILAB, Science & Technology, 02 Physical Sciences, hep-ex, Physics, ddc:530, 500, COUPLINGS, QC Physics / fizika, Experimental High Energy Physics, Physical Sciences, PARTICLE PHYSICS, D0 Collaboration

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