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Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment

Publication ,  Journal Article
Aaboud, M; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Abeloos, B; Aben, R; AbouZeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Abreu, R ...
Published in: New Journal of Physics
January 1, 2016
Published version (DOI)

An inclusive search for a new-physics signature of lepton-jet resonances has been performed by the ATLAS experiment. Scalar leptoquarks, pair-produced in pp collisions at s √S13 TeV at the large hadron collider, have been considered. An integrated luminosity of 3.2 fb−1, corresponding to the full 2015 dataset was used. First (second) generation leptoquarks were sought in events with two electrons (muons) and two or more jets. The observed event yield in each channel is consistent with Standard Model background expectations. The observed (expected) lower limits on the leptoquark mass at 95% confidence level are 1100 and 1050 GeV (1160 and 1040 GeV) for first and second generation leptoquarks, respectively, assuming a branching ratio into a charged lepton and a quark of 100%. Upper limits on the aforementioned branching ratio are also given as a function of leptoquark mass. Compared with the results of earlier ATLAS searches, the sensitivity is increased for leptoquark masses above 860 GeV, and the observed exclusion limits confirm and extend the published results.

Duke Scholars

Ayana T. Arce
Author Ayana T. Arce Physics
Alfred T. Goshaw
Author Alfred T. Goshaw Physics
Ashutosh V. Kotwal
Author Ashutosh V. Kotwal Physics
Mark C. Kruse
Author Mark C. Kruse Physics
Seog Oh
Author Seog Oh Physics
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Published In

New Journal of Physics

DOI

10.1088/1367-2630/18/9/093016

ISSN

1367-2630

Publication Date

January 1, 2016

Volume

18

Issue

9

Start / End Page

1 / 25

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 02 Physical Sciences
 

Citation

APA
Chicago
ICMJE
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Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., … Arslan, O. (2016). Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment. New Journal of Physics, 18(9), 1–25. https://doi.org/10.1088/1367-2630/18/9/093016
Aaboud, M., G. Aad, B. Abbott, J. Abdallah, O. Abdinov, B. Abeloos, R. Aben, et al. “Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment.” New Journal of Physics 18, no. 9 (January 1, 2016): 1–25. https://doi.org/10.1088/1367-2630/18/9/093016.
Aaboud M, Aad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, et al. Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment. New Journal of Physics. 2016 Jan 1;18(9):1–25.
Aaboud, M., et al. “Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment.” New Journal of Physics, vol. 18, no. 9, Jan. 2016, pp. 1–25. Scopus, doi:10.1088/1367-2630/18/9/093016.
Aaboud M, Aad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, Aben R, AbouZeid OS, Abraham NL, 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, Verzini MJA, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Alkire SP, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Alstaty M, Gonzalez BA, Piqueras DÁ, Alviggi MG, Amadio BT, Amako K, Coutinho YA, Amelung C, Amidei D, Dos Santos SPA, Amorim A, Amoroso S, 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, Anulli F, Aoki M, Bella LA, Arabidze G, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Armitage LJ, Arnaez O, Arnold H, Arratia M, Arslan O. Search for scalar leptoquarks in pp collisions at √S = 13TeV with the ATLAS experiment. New Journal of Physics. 2016 Jan 1;18(9):1–25.
Journal cover image

Published In

New Journal of Physics

DOI

10.1088/1367-2630/18/9/093016

ISSN

1367-2630

Publication Date

January 1, 2016

Volume

18

Issue

9

Start / End Page

1 / 25

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 02 Physical Sciences