Measurement of single top-quark production in association with a W boson in the single-lepton channel at root s=8 TeV with the ATLAS detector
Articolo
Data di Pubblicazione:
2021
Abstract:
The production cross-section of a top quark in association with a W boson is measured using proton-proton collisions at root s = 8 TeV. The dataset corresponds to an integrated luminosity of 20.2 fb(-1,) and was collected in 2012 by the ATLAS detector at the Large Hadron Collider at CERN. The analysis is performed in the single-lepton channel. Events are selected by requiring one isolated lepton (electron or muon) and at least three jets. A neural network is trained to separate the tW signal from the dominant t (t) over bar background. The cross-section is extracted from a binned profile maximum-likelihood fit to a two-dimensional discriminant built from the neural-network output and the invariant mass of the hadronically decaying W boson. The measured crosssection is sigma(tW) = 26 +/- 7 pb, in good agreement with the Standard Model expectation.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
Particle physics, High energy physics
Elenco autori:
Aad, G; Abbott, B; Abbott, Dc; Abud, Aa; Abeling, K; Abhayasinghe, Dk; Abidi, Sh; Abouzeid, Os; Abraham, Nl; Abramowicz, H; Abreu, H; Abulaiti, Y; Acharya, Bs; Achkar, B; Adachi, S; Adam, L; Bourdarios, Ca; Adamczyk, L; Adamek, L; Adelman, J; Adersberger, M; Adiguzel, A; Adorni, S; Adye, T; Affolder, Aa; Afik, Y; Agapopoulou, C; Agaras, Mn; Aggarwal, A; Agheorghiesei, C; Aguilar-Saavedra, Ja; Ahmadov, F; Ahmed, Ws; Ai, X; Aielli, G; Akatsuka, S; Akesson, Tpa; Akilli, E; Akimov, Av; Al Khoury, K; Alberghi, Gl; Albert, J; Verzini, Mja; Alderweireldt, S; Aleksa, M; Aleksandrov, In; Alexa, C; Alexandre, D; Alexopoulos, T; Alfonsi, A; Alfonsi, F; Alhroob, M; Ali, B; Aliev, M; Alimonti, G; Alison, J; Alkire, Sp; Allaire, C; Allbrooke, Bmm; Allen, Bw; Allport, Pp; Aloisio, A; Alonso, A; Alonso, F; Alpigiani, C; Alshehri, Aa; Estevez, Ma; Piqueras, Da; Alviggi, Mg; Coutinho, Ya; Ambler, A; Ambroz, L; Amelung, C; Amidei, D; Dos Santos, Spa; Amoroso, S; Amrouche, Cs; An, F; Anastopoulos, C; Andari, N; Andeen, T; Anders, Cf; Anders, Jk; Andreazza, A; Andrei, V; Anelli, Cr; Angelidakis, S; Angerami, A; Anisenkov, Av; Annovi, A; Antel, C; Anthony, Mt; Antipov, E; Antonelli, M; Antrim, Dja; Anulli, F; Aoki, M; Pozo, Jaa; Bella, La; Arabidze, G; Araque, Jp; Ferraz, Va; Pereira, Ra; Arcangeletti, C; Arce, Ath; Arduh, Fa; Arguin, Jf; Argyropoulos, S; Arling, Jh; Armbruster, Aj; Armstrong, A; Arnaez, O; Arnold, H; Tame, Zpa; Artoni, G; Artz, S; Asai, S; Asbah, N; Asimakopoulou, Em; Asquith, L; Assahsah, J; Assamagan, K; Astalos, R; Atkin, Rj; Atkinson, M; Atlay, Nb; Atmani, H; Augsten, K; Avolio, G; Avramidou, R; Ayoub, Mk; Azoulay, Am; Azuelos, G; Bachacou, H; Bachas, K; Backes, M; Backman, F; Bagnaia, P; Bahmani, M; Bahrasemani, H; Bailey, Aj; Bailey, Vr; Baines, Jt; Bajic, M; Bakalis, C; Baker, Ok; Bakker, Pj; Gupta, Db; Balaji, S; Baldin, Em; Balek, P; Balli, F; Balunas, Wk; Balz, J; Banas, E; Bandyopadhyay, A; Banerjee, S; Bannoura, Aae; Barak, L; Barbe, Wm; Barberio, El; Barberis, D; Barbero, M; Barbour, G; Barillari, T; Barisits, Ms; Barkeloo, J; Barklow, T; Barnea, R; Barnes, Sl; Barnett, Bm; Barnett, Rm; Barnovska-Blenessy, Z; Baroncelli, A; Barone, G; Barr, Aj; Navarro, Lb; Barreiro, F; da Costa, Jbg; Barsov, S; Bartoldus, R; Bartolini, G; Barton, Ae; Bartos, P; Basalaev, A; Bassalat, A; Basso, Mj; Bates, Rl; Batlamous, S; Batley, Jr; Batool, B; Battaglia, M; Bauce, M; Bauer, F; Bauer, Kt; Bawa, Hs; Beacham, Jb; Beau, T; Beauchemin, Ph; Becherer, F; Bechtle, P; Beck, Hc; Beck, Hp; Becker, K; Becker, M; Becot, C; Beddall, A; Beddall, Aj; Bednyakov, Va; Bedognetti, M; Bee, Cp; Beermann, Ta; Begalli, M; Begel, M; Behera, A; Behr, Jk; Beisiegel, F; Bell, As; Bella, G; Bellagamba, L; Bellerive, A; Bellos, P; Beloborodov, K; Belotskiy, K; Belyaev, Nl; Benchekroun, D; Benekos, N; Benhammou, Y; Benjamin, Dp; Benoit, M; Bensinger, Jr; Bentvelsen, S; Beresford, L; Beretta, M; Berge, D; Kuutmann, Eb; Berger, N; Bergmann, B; Bergsten, Lj; Beringer, J; Berlendis, S; Bernardi, G; Bernius, C; Bernlochner, Fu; Berry, T; Bertella, C; Bertram, Ia; Bylund, Ob; Besson, N; Bethani, A; Bethke, S; Betti, A; Bevan, Aj; Beyer, J; Bhattacharya, Ds; Bhattarai, P; Bi, R; Bianchi, Rm; Biebel, O; Biedermann, D; Bielski, R; Bierwagen, K; Biesuz, Nv; Biglietti, M; Billoud, Trv; Bindi, M; Bingul, A; Bini, C; Biondi, S; Birman, M; Bisanz, T; Biswal, Jp; Biswas, D; Bitadze, A; Bittrich, C; Bjorke, K; Black, Km; Blazek, T; Bloch, I; Blocker, C; Blue, A; Blumenschein, U; Bobbink, Gj; Bobrovnikov, Vs; Bocchetta, Ss; Bocci, A; Bogavac, D; Bogdanchikov, Ag; Bohm, C; Boisvert, V; Bokan, P; Bold, T; Boldyrev, As; Bolz, Ae; Bomben, M; Bona, M; Bonilla, Js; Boonekamp, M; Booth, Cd; Borecka-Bielska, Hm; Borisov, A; Borissov, G; Bortfeldt, J; Bortoletto, D; Boscherini, D; Bosman, M; Sola, Jdb; Bouaouda, K; Boudreau, J; Bouhova-Thacker, Ev; Boumediene, D; Boutle, Sk; Boveia, A; Boyd, J; Boye, D; Boyko, Ir; Bozson, Aj; Bracinik, J; Brahimi, N; Brandt, G; Brandt, O; Braren, F; Brau,
Link alla scheda completa:
Pubblicato in: