Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS
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, Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdinov, O; Aben, R; Abi, B; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
January 5, 2015
This Letter presents a search for a hidden-beauty counterpart of the X(3872) in the mass ranges of 10.05–10.31 GeV and 10.40–11.00 GeV, in the channel Xb→π+π−ϒ(1S)(→μ+μ−), using 16.2 fb−1 of s=8 TeV pp collision data collected by the ATLAS detector at the LHC. No evidence for new narrow states is found, and upper limits are set on the product of the Xb cross section and branching fraction, relative to those of the ϒ(2S), at the 95% confidence level using the CLS approach. These limits range from 0.8% to 4.0%, depending on mass. For masses above 10.1 GeV, the expected upper limits from this analysis are the most restrictive to date. Searches for production of the ϒ(13DJ), ϒ(10860), and ϒ(11020) states also reveal no significant signals.
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Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
January 5, 2015
Volume
740
Start / End Page
199 / 217
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics
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Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., … Arnal, V. (2015). Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 740, 199–217. https://doi.org/10.1016/j.physletb.2014.11.055
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 740 (January 5, 2015): 199–217. https://doi.org/10.1016/j.physletb.2014.11.055.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, et al. Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2015 Jan 5;740:199–217.
Aad, G., et al. “Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 740, Jan. 2015, pp. 199–217. Scopus, doi:10.1016/j.physletb.2014.11.055.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, Abi B, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, 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, Alexandre G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Allbrooke BMM, Allison LJ, Allport PP, Almond J, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, 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, Anduaga XS, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Araque JP, Arce ATH, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O, Arnal V. Search for the Xb and other hidden-beauty states in the π+π−ϒ(1S) channel at ATLAS. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2015 Jan 5;740:199–217.
Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
January 5, 2015
Volume
740
Start / End Page
199 / 217
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics