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A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector.

Publication ,  Journal Article
Atlas Collaboration; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R; Adye, T ...
Published in: The European physical journal. C, Particles and fields
January 2016

The distribution of particles inside hadronic jets produced in the decay of boosted W and Z bosons can be used to discriminate such jets from the continuum background. Given that a jet has been identified as likely resulting from the hadronic decay of a boosted W or Z boson, this paper presents a technique for further differentiating Z bosons from W bosons. The variables used are jet mass, jet charge, and a b-tagging discriminant. A likelihood tagger is constructed from these variables and tested in the simulation of [Formula: see text] for bosons in the transverse momentum range 200 GeV [Formula: see text] 400 GeV in [Formula: see text] TeV pp collisions with the ATLAS detector at the LHC. For Z-boson tagging efficiencies of [Formula: see text], 50, and [Formula: see text], one can achieve [Formula: see text]-boson tagging rejection factors ([Formula: see text]) of 1.7, 8.3 and 1000, respectively. It is not possible to measure these efficiencies in the data due to the lack of a pure sample of high [Formula: see text], hadronically decaying Z bosons. However, the modelling of the tagger inputs for boosted W bosons is studied in data using a [Formula: see text]-enriched sample of events in 20.3 fb[Formula: see text] of data at [Formula: see text] TeV. The inputs are well modelled within uncertainties, which builds confidence in the expected tagger performance.

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Published In

The European physical journal. C, Particles and fields

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 2016

Volume

76

Issue

5

Start / End Page

238

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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Atlas Collaboration, Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., … Collot, J. (2016). A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector. The European Physical Journal. C, Particles and Fields, 76(5), 238. https://doi.org/10.1140/epjc/s10052-016-4065-1
Atlas Collaboration, G. Aad, B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, et al. “A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector.The European Physical Journal. C, Particles and Fields 76, no. 5 (January 2016): 238. https://doi.org/10.1140/epjc/s10052-016-4065-1.
Atlas Collaboration, Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, et al. A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector. The European physical journal C, Particles and fields. 2016 Jan;76(5):238.
Atlas Collaboration, et al. “A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector.The European Physical Journal. C, Particles and Fields, vol. 76, no. 5, Jan. 2016, p. 238. Epmc, doi:10.1140/epjc/s10052-016-4065-1.
Atlas Collaboration, 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, Agricola J, Aguilar-Saavedra JA, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, 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, Álvarez Piqueras D, Alviggi MG, Amadio BT, 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, Anders JK, 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, Arabidze G, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin J-F, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O, Arnal V, Arnold H, Arratia M, Arslan O, Artamonov A, Artoni G, Asai S, Asbah N, Ashkenazi A, Åsman B, Asquith L, Assamagan K, Astalos R, Atkinson M, Atlay NB, Augsten K, Aurousseau M, Avolio G, Axen B, Ayoub MK, Azuelos G, Baak MA, Baas AE, Baca MJ, Bacci C, Bachacou H, Bachas K, Backes M, Backhaus M, Bagiacchi P, Bagnaia P, Bai Y, Bain T, Baines JT, Baker OK, Baldin EM, Balek P, Balestri T, Balli F, Balunas WK, Banas E, Banerjee S, Bannoura AAE, Bansil HS, Barak L, Barberio EL, Barberis D, Barbero M, Barillari T, Barisonzi M, Barklow T, Barlow N, Barnes SL, Barnett BM, Barnett RM, Barnovska Z, Baroncelli A, Barone G, Barr AJ, Barreiro F, Barreiro Guimarães da Costa J, Bartoldus R, Barton AE, Bartos P, Basalaev A, Bassalat A, Basye A, Bates RL, Batista SJ, Batley JR, Battaglia M, Bauce M, Bauer F, Bawa HS, Beacham JB, Beattie MD, Beau T, Beauchemin PH, Beccherle R, Bechtle P, Beck HP, Becker K, Becker M, Beckingham M, Becot C, Beddall AJ, Beddall A, Bednyakov VA, Bee CP, Beemster LJ, Beermann TA, Begel M, Behr JK, Belanger-Champagne C, 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, Biedermann D, Bieniek SP, Biglietti M, Bilbao De Mendizabal J, Bilokon H, Bindi M, Binet S, Bingul A, Bini C, Biondi S, 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, Bogavac D, 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, Breaden Madden WD, 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, Bruscino N, Bryngemark L, Buanes T, Buat Q, Buchholz P, Buckley AG, Buda SI, Budagov IA, Buehrer F, Bugge L, Bugge MK, Bulekov O, Bullock D, Burckhart H, Burdin S, Burgard CD, Burghgrave B, Burke S, Burmeister I, Busato E, Büscher D, Büscher V, Bussey P, Butler JM, Butt AI, Buttar CM, Butterworth JM, Butti P, Buttinger W, Buzatu A, Buzykaev AR, Cabrera Urbán S, Caforio D, Cairo VM, Cakir O, Calace N, Calafiura P, Calandri A, Calderini G, Calfayan P, Caloba LP, Calvet D, Calvet S, Camacho Toro R, Camarda S, Camarri P, Cameron D, 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, Cardillo F, 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, 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, Chiarelli G, Chiodini G, Chisholm AS, Chislett RT, Chitan A, Chizhov MV, Choi K, Chouridou S, Chow BKB, Christodoulou V, Chromek-Burckhart D, Chudoba J, Chuinard AJ, Chwastowski JJ, Chytka L, Ciapetti G, Ciftci AK, Cinca D, Cindro V, Cioara IA, Ciocio A, Cirotto F, 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, Colasurdo L, Cole B, Cole S, Colijn AP, Collot J. A new method to distinguish hadronically decaying boosted Z bosons from W bosons using the ATLAS detector. The European physical journal C, Particles and fields. 2016 Jan;76(5):238.
Journal cover image

Published In

The European physical journal. C, Particles and fields

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 2016

Volume

76

Issue

5

Start / End Page

238

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