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Title: Search for a Structure in the Bs0 π± Invariant Mass Spectrum with the ATLAS Experiment

A search for the narrow structure, X(5568), reported by the D0 Collaboration in the decay sequence X→Bs0π±, Bs0→J/ψφ, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9 fb-1 of pp collisions at 7 TeV and 19.5 fb-1 at 8 TeV. No significant signal was found. Upper limits on the number of signal events, with properties corresponding to those reported by D0, and on the X production rate relative to Bs0 mesons, ρX, were determined at 95% confidence level. The results are N(X)<382 and ρX<0.015 for Bs0 mesons with transverse momenta above 10 GeV, and N(X)<356 and ρX<0.016 for transverse momenta above 15 GeV. Limits are also set for potential Bs0π± resonances in the mass range 5550 to 5700 MeV.
Authors:
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Publication Date:
Grant/Contract Number:
AC02-76SF00515; AC02-05CH11231
Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 120; Journal Issue: 20; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Contributing Orgs:
ATLAS Collaboration
Country of Publication:
United States
Language:
English
OSTI Identifier:
1437686
Alternate Identifier(s):
OSTI ID: 1461149

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OS, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Akatsuka, S, Akerstedt, H, Åkesson, TPA, Akilli, E, Akimov, AV, Alberghi, GL, Albert, J, Albicocco, P, Alconada Verzini, MJ, Alderweireldt, S, Aleksa, M, Aleksandrov, IN, Alexa, C, Alexander, G, Alexopoulos, T, Alhroob, M, Ali, B, Aliev, M, Alimonti, G, Alison, J, Alkire, SP, Allbrooke, BMM, Allen, BW, Allport, PP, Aloisio, A, Alonso, A, Alonso, F, Alpigiani, C, Alshehri, AA, Alstaty, MI, Alvarez Gonzalez, B, Álvarez Piqueras, D, Alviggi, MG, Amadio, BT, Amaral Coutinho, Y, Amelung, C, Amidei, D, Amor Dos Santos, SP, Amoroso, S, Anastopoulos, C, Ancu, LS, Andari, N, Andeen, T, Anders, CF, Anders, JK, Anderson, KJ, Andreazza, A, Andrei, V, Angelidakis, S, Angelozzi, I, Angerami, A, Anisenkov, AV, Anjos, N, Annovi, A, Antel, C, Antonelli, M, Antonov, A, Antrim, DJ, Anulli, F, Aoki, M, and Aperio Bella, L. Search for a Structure in the Bs0 π± Invariant Mass Spectrum with the ATLAS Experiment. United States: N. p., Web. doi:10.1103/PhysRevLett.120.202007.
Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OS, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Akatsuka, S, Akerstedt, H, Åkesson, TPA, Akilli, E, Akimov, AV, Alberghi, GL, Albert, J, Albicocco, P, Alconada Verzini, MJ, Alderweireldt, S, Aleksa, M, Aleksandrov, IN, Alexa, C, Alexander, G, Alexopoulos, T, Alhroob, M, Ali, B, Aliev, M, Alimonti, G, Alison, J, Alkire, SP, Allbrooke, BMM, Allen, BW, Allport, PP, Aloisio, A, Alonso, A, Alonso, F, Alpigiani, C, Alshehri, AA, Alstaty, MI, Alvarez Gonzalez, B, Álvarez Piqueras, D, Alviggi, MG, Amadio, BT, Amaral Coutinho, Y, Amelung, C, Amidei, D, Amor Dos Santos, SP, Amoroso, S, Anastopoulos, C, Ancu, LS, Andari, N, Andeen, T, Anders, CF, Anders, JK, Anderson, KJ, Andreazza, A, Andrei, V, Angelidakis, S, Angelozzi, I, Angerami, A, Anisenkov, AV, Anjos, N, Annovi, A, Antel, C, Antonelli, M, Antonov, A, Antrim, DJ, Anulli, F, Aoki, M, & Aperio Bella, L. Search for a Structure in the Bs0 π± Invariant Mass Spectrum with the ATLAS Experiment. United States. doi:10.1103/PhysRevLett.120.202007.
Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OS, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Akatsuka, S, Akerstedt, H, Åkesson, TPA, Akilli, E, Akimov, AV, Alberghi, GL, Albert, J, Albicocco, P, Alconada Verzini, MJ, Alderweireldt, S, Aleksa, M, Aleksandrov, IN, Alexa, C, Alexander, G, Alexopoulos, T, Alhroob, M, Ali, B, Aliev, M, Alimonti, G, Alison, J, Alkire, SP, Allbrooke, BMM, Allen, BW, Allport, PP, Aloisio, A, Alonso, A, Alonso, F, Alpigiani, C, Alshehri, AA, Alstaty, MI, Alvarez Gonzalez, B, Álvarez Piqueras, D, Alviggi, MG, Amadio, BT, Amaral Coutinho, Y, Amelung, C, Amidei, D, Amor Dos Santos, SP, Amoroso, S, Anastopoulos, C, Ancu, LS, Andari, N, Andeen, T, Anders, CF, Anders, JK, Anderson, KJ, Andreazza, A, Andrei, V, Angelidakis, S, Angelozzi, I, Angerami, A, Anisenkov, AV, Anjos, N, Annovi, A, Antel, C, Antonelli, M, Antonov, A, Antrim, DJ, Anulli, F, Aoki, M, and Aperio Bella, L. 2018. "Search for a Structure in the Bs0 π± Invariant Mass Spectrum with the ATLAS Experiment". United States. doi:10.1103/PhysRevLett.120.202007.
@article{osti_1437686,
title = {Search for a Structure in the Bs0 π± Invariant Mass Spectrum with the ATLAS Experiment},
author = {Aaboud, M and Aad, G and Abbott, B and Abdinov, O and Abeloos, B and Abidi, SH and Abouzeid, OS and Abraham, NL and Abramowicz, H and Abreu, H and Abulaiti, Y and Acharya, BS and Adachi, S and Adamczyk, L and Adelman, J and Adersberger, M and Adye, T and Affolder, AA and Afik, Y and Agheorghiesei, C and Aguilar-Saavedra, JA and Ahlen, SP and Ahmadov, F and Aielli, G and Akatsuka, S and Akerstedt, H and Åkesson, TPA and Akilli, E and Akimov, AV and Alberghi, GL and Albert, J and Albicocco, P and Alconada Verzini, MJ and Alderweireldt, S and Aleksa, M and Aleksandrov, IN and Alexa, C and Alexander, G and Alexopoulos, T and Alhroob, M and Ali, B and Aliev, M and Alimonti, G and Alison, J and Alkire, SP and Allbrooke, BMM and Allen, BW and Allport, PP and Aloisio, A and Alonso, A and Alonso, F and Alpigiani, C and Alshehri, AA and Alstaty, MI and Alvarez Gonzalez, B and Álvarez Piqueras, D and Alviggi, MG and Amadio, BT and Amaral Coutinho, Y and Amelung, C and Amidei, D and Amor Dos Santos, SP and Amoroso, S and Anastopoulos, C and Ancu, LS and Andari, N and Andeen, T and Anders, CF and Anders, JK and Anderson, KJ and Andreazza, A and Andrei, V and Angelidakis, S and Angelozzi, I and Angerami, A and Anisenkov, AV and Anjos, N and Annovi, A and Antel, C and Antonelli, M and Antonov, A and Antrim, DJ and Anulli, F and Aoki, M and Aperio Bella, L},
abstractNote = {A search for the narrow structure, X(5568), reported by the D0 Collaboration in the decay sequence X→Bs0π±, Bs0→J/ψφ, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9 fb-1 of pp collisions at 7 TeV and 19.5 fb-1 at 8 TeV. No significant signal was found. Upper limits on the number of signal events, with properties corresponding to those reported by D0, and on the X production rate relative to Bs0 mesons, ρX, were determined at 95% confidence level. The results are N(X)<382 and ρX<0.015 for Bs0 mesons with transverse momenta above 10 GeV, and N(X)<356 and ρX<0.016 for transverse momenta above 15 GeV. Limits are also set for potential Bs0π± resonances in the mass range 5550 to 5700 MeV.},
doi = {10.1103/PhysRevLett.120.202007},
journal = {Physical Review Letters},
number = 20,
volume = 120,
place = {United States},
year = {2018},
month = {5}
}