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Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R; Abulaiti, Y; Acharya, BS ...
Published in: The European physical journal. C, Particles and fields
January 2015

A search for the Standard Model Higgs boson produced in association with a top-quark pair, [Formula: see text], is presented. The analysis uses 20.3 fb-1 of pp collision data at [Formula: see text], collected with the ATLAS detector at the Large Hadron Collider during 2012. The search is designed for the [Formula: see text] decay mode and uses events containing one or two electrons or muons. In order to improve the sensitivity of the search, events are categorised according to their jet and b-tagged jet multiplicities. A neural network is used to discriminate between signal and background events, the latter being dominated by [Formula: see text]+jets production. In the single-lepton channel, variables calculated using a matrix element method are included as inputs to the neural network to improve discrimination of the irreducible [Formula: see text] background. No significant excess of events above the background expectation is found and an observed (expected) limit of 3.4 (2.2) times the Standard Model cross section is obtained at 95 % confidence level. The ratio of the measured [Formula: see text] signal cross section to the Standard Model expectation is found to be [Formula: see text] assuming a Higgs boson mass of 125[Formula: see text].

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Published In

The European physical journal. C, Particles and fields

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 2015

Volume

75

Issue

7

Start / End Page

349

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

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Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., … Conta, C. (2015). Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector. The European Physical Journal. C, Particles and Fields, 75(7), 349. https://doi.org/10.1140/epjc/s10052-015-3543-1
Aad, G., B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O. S. AbouZeid, et al. “Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.The European Physical Journal. C, Particles and Fields 75, no. 7 (January 2015): 349. https://doi.org/10.1140/epjc/s10052-015-3543-1.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, et al. Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector. The European physical journal C, Particles and fields. 2015 Jan;75(7):349.
Aad, G., et al. “Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector.The European Physical Journal. C, Particles and Fields, vol. 75, no. 7, Jan. 2015, p. 349. Epmc, doi:10.1140/epjc/s10052-015-3543-1.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Affolder AA, Agatonovic-Jovin T, Aguilar-Saavedra JA, Agustoni M, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, Akimoto G, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Alkire SP, Allbrooke BMM, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Piqueras DÁ, Alviggi MG, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amram N, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, 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Becker K, Becker M, Becker S, Beckingham M, Becot C, Beddall AJ, Beddall A, Bednyakov VA, Bee CP, Beemster LJ, Beermann TA, Begel M, Behr JK, Belanger-Champagne C, Bell PJ, Bell WH, Bella G, Bellagamba L, Bellerive A, Bellomo M, Belotskiy K, Beltramello O, Benary O, Benchekroun D, Bender M, Bendtz K, Benekos N, Benhammou Y, Benhar Noccioli E, Benitez Garcia JA, Benjamin DP, Bensinger JR, Bentvelsen S, Beresford L, Beretta M, Berge D, Bergeaas Kuutmann E, Berger N, Berghaus F, Beringer J, Bernard C, Bernard NR, Bernius C, Bernlochner FU, Berry T, Berta P, Bertella C, Bertoli G, Bertolucci F, Bertsche C, Bertsche D, Besana MI, Besjes GJ, Bessidskaia Bylund O, Bessner M, Besson N, Betancourt C, Bethke S, Bevan AJ, Bhimji W, Bianchi RM, Bianchini L, Bianco M, Biebel O, Bieniek SP, Biglietti M, Bilbao De Mendizabal J, Bilokon H, Bindi M, Binet S, Bingul A, Bini C, Black CW, Black JE, Black KM, Blackburn D, Blair RE, Blanchard J-B, Blanco JE, Blazek T, Bloch I, Blocker C, Blum W, Blumenschein U, Bobbink GJ, Bobrovnikov VS, Bocchetta SS, Bocci A, Bock C, Boehler M, Bogaerts JA, Bogdanchikov AG, Bohm C, Boisvert V, Bold T, Boldea V, Boldyrev AS, Bomben M, Bona M, Boonekamp M, Borisov A, Borissov G, Borroni S, Bortfeldt J, Bortolotto V, Bos K, Boscherini D, Bosman M, Boudreau J, Bouffard J, Bouhova-Thacker EV, Boumediene D, Bourdarios C, Bousson N, Boveia A, Boyd J, Boyko IR, Bozic I, Bracinik J, Brandt A, Brandt G, Brandt O, Bratzler U, Brau B, Brau JE, Braun HM, Brazzale SF, Brendlinger K, Brennan AJ, Brenner L, Brenner R, Bressler S, Bristow K, Bristow TM, Britton D, Britzger D, Brochu FM, Brock I, Brock R, Bronner J, Brooijmans G, Brooks T, Brooks WK, Brosamer J, Brost E, Brown J, Bruckman de Renstrom PA, Bruncko D, Bruneliere R, Bruni A, Bruni G, Bruschi M, Bryngemark L, Buanes T, Buat Q, Buchholz P, Buckley AG, Buda SI, Budagov IA, Buehrer F, Bugge L, Bugge MK, Bulekov O, Burckhart H, Burdin S, Burghgrave B, Burke S, Burmeister I, Busato E, Büscher D, Büscher V, Bussey P, Buszello CP, Butler JM, Butt AI, Buttar CM, Butterworth JM, Butti P, Buttinger W, Buzatu A, Buzykaev R, Cabrera Urbán S, Caforio D, Cakir O, Calafiura P, Calandri A, Calderini G, Calfayan P, Caloba LP, Calvet D, Calvet S, Camacho Toro R, Camarda S, Cameron D, Caminada LM, Caminal Armadans R, Campana S, Campanelli M, Campoverde A, Canale V, Canepa A, Cano Bret M, Cantero J, Cantrill R, Cao T, Capeans Garrido MDM, Caprini I, Caprini M, Capua M, Caputo R, Cardarelli R, Carli T, Carlino G, Carminati L, Caron S, Carquin E, Carrillo-Montoya GD, Carter JR, Carvalho J, Casadei D, Casado MP, Casolino M, Castaneda-Miranda E, Castelli A, Castillo Gimenez V, Castro NF, Catastini P, Catinaccio A, Catmore JR, Cattai A, Caudron J, Cavaliere V, Cavalli D, Cavalli-Sforza M, Cavasinni V, Ceradini F, Cerio BC, Cerny K, Cerqueira AS, Cerri A, Cerrito L, Cerutti F, Cerv M, Cervelli A, Cetin SA, Chafaq A, Chakraborty D, Chalupkova I, Chang P, Chapleau B, Chapman JD, Charlton DG, Chau CC, Chavez Barajas CA, Cheatham S, Chegwidden A, Chekanov S, Chekulaev SV, Chelkov GA, Chelstowska MA, Chen C, Chen H, Chen K, Chen L, Chen S, Chen X, Chen Y, Cheng HC, Cheng Y, Cheplakov A, Cheremushkina E, Cherkaoui El Moursli R, Chernyatin V, Cheu E, Chevalier L, Chiarella V, Childers JT, Chiodini G, Chisholm AS, Chislett RT, Chitan A, Chizhov MV, Choi K, Chouridou S, Chow BKB, Christodoulou V, Chromek-Burckhart D, Chu ML, Chudoba J, Chuinard AJ, Chwastowski JJ, Chytka L, Ciapetti G, Ciftci AK, Cinca D, Cindro V, Cioara IA, Ciocio A, Citron ZH, Ciubancan M, Clark A, Clark BL, Clark PJ, Clarke RN, Cleland W, Clement C, Coadou Y, Cobal M, Coccaro A, Cochran J, Coffey L, Cogan JG, Cole B, Cole S, Colijn AP, Collot J, Colombo T, Compostella G, Conde Muiño P, Coniavitis E, Connell SH, Connelly IA, Consonni SM, Consorti V, Constantinescu S, Conta C. Search for the Standard Model Higgs boson produced in association with top quarks and decaying into [Formula: see text] in [Formula: see text] collisions at [Formula: see text] with the ATLAS detector. The European physical journal C, Particles and fields. 2015 Jan;75(7):349.
Journal cover image

Published In

The European physical journal. C, Particles and fields

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 2015

Volume

75

Issue

7

Start / End Page

349

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics