Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons
Abstract A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for...
Main Authors: | , , , , , , , , , , , , , , , |
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Other Authors: | |
Format: | Article |
Language: | English |
Published: |
Springer Berlin Heidelberg
2022
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Online Access: | https://hdl.handle.net/1721.1/138799 |
_version_ | 1811096300910804992 |
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author | Aaij, R. Abdelmotteleb, A. S. W. Abellán Beteta, C. Ackernley, T. Adeva, B. Adinolfi, M. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Aiola, S. Ajaltouni, Z. Akar, S. Albrecht, J. Alessio, F. Alexander, M. Alfonso Albero, A. |
author2 | Massachusetts Institute of Technology. Department of Physics |
author_facet | Massachusetts Institute of Technology. Department of Physics Aaij, R. Abdelmotteleb, A. S. W. Abellán Beteta, C. Ackernley, T. Adeva, B. Adinolfi, M. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Aiola, S. Ajaltouni, Z. Akar, S. Albrecht, J. Alessio, F. Alexander, M. Alfonso Albero, A. |
author_sort | Aaij, R. |
collection | MIT |
description | Abstract
A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for
B
c
+
→
D
s
∗
+
—
D
∗
0
$$ {B}_c^{+}\to {D}_{(s)}^{\left(\ast \right)+}{\genfrac{}{}{0pt}{}{\left(\hbox{---} \right)}{D}}^{\left(\ast \right)0} $$
decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen
B
c
+
$$ {B}_c^{+} $$
decay modes. For the decay
B
c
+
→
D
s
+
D
¯
0
$$ {B}_c^{+}\to {D}_s^{+}{\overline{D}}^0 $$
, an excess with a significance of 3.4 standard deviations is found. |
first_indexed | 2024-09-23T16:41:42Z |
format | Article |
id | mit-1721.1/138799 |
institution | Massachusetts Institute of Technology |
language | English |
last_indexed | 2024-09-23T16:41:42Z |
publishDate | 2022 |
publisher | Springer Berlin Heidelberg |
record_format | dspace |
spelling | mit-1721.1/1387992023-08-11T17:24:10Z Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons Aaij, R. Abdelmotteleb, A. S. W. Abellán Beteta, C. Ackernley, T. Adeva, B. Adinolfi, M. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Aiola, S. Ajaltouni, Z. Akar, S. Albrecht, J. Alessio, F. Alexander, M. Alfonso Albero, A. Massachusetts Institute of Technology. Department of Physics Abstract A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for B c + → D s ∗ + — D ∗ 0 $$ {B}_c^{+}\to {D}_{(s)}^{\left(\ast \right)+}{\genfrac{}{}{0pt}{}{\left(\hbox{---} \right)}{D}}^{\left(\ast \right)0} $$ decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen B c + $$ {B}_c^{+} $$ decay modes. For the decay B c + → D s + D ¯ 0 $$ {B}_c^{+}\to {D}_s^{+}{\overline{D}}^0 $$ , an excess with a significance of 3.4 standard deviations is found. 2022-01-04T15:47:07Z 2022-01-04T15:47:07Z 2021-12-17 2021-12-26T04:07:03Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/138799 Journal of High Energy Physics. 2021 Dec 17;2021(12):117 PUBLISHER_CC en https://doi.org/10.1007/JHEP12(2021)117 Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/ The Author(s) application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg |
spellingShingle | Aaij, R. Abdelmotteleb, A. S. W. Abellán Beteta, C. Ackernley, T. Adeva, B. Adinolfi, M. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Aiola, S. Ajaltouni, Z. Akar, S. Albrecht, J. Alessio, F. Alexander, M. Alfonso Albero, A. Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title | Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title_full | Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title_fullStr | Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title_full_unstemmed | Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title_short | Updated search for B c + $$ {B}_c^{+} $$ decays to two charm mesons |
title_sort | updated search for b c b c decays to two charm mesons |
url | https://hdl.handle.net/1721.1/138799 |
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