A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ±
Abstract The first study of $$C\!P$$ C P violation in t...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Springer Berlin Heidelberg
2023
|
| Online Access: | https://hdl.handle.net/1721.1/151078 |
| _version_ | 1826190719222546432 |
|---|---|
| author | Aaij, R. Abdelmotteleb, A. S. W. Beteta, C. A. Abudinén, F. Ackernley, T. Adeva, B. Adinolfi, M. Adlarson, P. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Ajaltouni, Z. Akar, S. Akiba, K. Albicocco, P. Albrecht, J. Alessio, F. Alexander, M. Albero, A. A. Aliouche, Z. |
| author_facet | Aaij, R. Abdelmotteleb, A. S. W. Beteta, C. A. Abudinén, F. Ackernley, T. Adeva, B. Adinolfi, M. Adlarson, P. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Ajaltouni, Z. Akar, S. Akiba, K. Albicocco, P. Albrecht, J. Alessio, F. Alexander, M. Albero, A. A. Aliouche, Z. |
| author_sort | Aaij, R. |
| collection | MIT |
| description | Abstract
The first study of
$$C\!P$$
C
P
violation in the decay mode
$${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$
B
±
→
[
K
+
K
-
π
+
π
-
]
D
h
±
, with
$$h=K,\pi $$
h
=
K
,
π
, is presented, exploiting a data sample of proton–proton collisions collected by the LHCb experiment that corresponds to an integrated luminosity of
$$9\text {\,fb} ^{-1} $$
9
\,fb
-
1
. The analysis is performed in bins of phase space, which are optimised for sensitivity to local
$$C\!P$$
C
P
asymmetries.
$$C\!P$$
C
P
-violating observables that are sensitive to the angle
$$\gamma $$
γ
of the Unitarity Triangle are determined. The analysis requires external information on charm-decay parameters, which are currently taken from an amplitude analysis of LHCb data, but can be updated in the future when direct measurements become available. Measurements are also performed of phase-space integrated observables for
$${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$
B
±
→
[
K
+
K
-
π
+
π
-
]
D
h
±
and
$${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$
B
±
→
[
π
+
π
-
π
+
π
-
]
D
h
±
decays. |
| first_indexed | 2024-09-23T08:44:19Z |
| format | Article |
| id | mit-1721.1/151078 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T08:44:19Z |
| publishDate | 2023 |
| publisher | Springer Berlin Heidelberg |
| record_format | dspace |
| spelling | mit-1721.1/1510782023-07-12T03:50:56Z A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± Aaij, R. Abdelmotteleb, A. S. W. Beteta, C. A. Abudinén, F. Ackernley, T. Adeva, B. Adinolfi, M. Adlarson, P. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Ajaltouni, Z. Akar, S. Akiba, K. Albicocco, P. Albrecht, J. Alessio, F. Alexander, M. Albero, A. A. Aliouche, Z. Abstract The first study of $$C\!P$$ C P violation in the decay mode $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$ B ± → [ K + K - π + π - ] D h ± , with $$h=K,\pi $$ h = K , π , is presented, exploiting a data sample of proton–proton collisions collected by the LHCb experiment that corresponds to an integrated luminosity of $$9\text {\,fb} ^{-1} $$ 9 \,fb - 1 . The analysis is performed in bins of phase space, which are optimised for sensitivity to local $$C\!P$$ C P asymmetries. $$C\!P$$ C P -violating observables that are sensitive to the angle $$\gamma $$ γ of the Unitarity Triangle are determined. The analysis requires external information on charm-decay parameters, which are currently taken from an amplitude analysis of LHCb data, but can be updated in the future when direct measurements become available. Measurements are also performed of phase-space integrated observables for $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$ B ± → [ K + K - π + π - ] D h ± and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^\pm $$ B ± → [ π + π - π + π - ] D h ± decays. 2023-07-11T17:15:11Z 2023-07-11T17:15:11Z 2023-06-29 2023-07-02T03:11:17Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/151078 The European Physical Journal C. 2023 Jun 29;83(6):547 PUBLISHER_CC en https://doi.org/10.1140/epjc/s10052-023-11560-5 Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ CERN for the benefit of the LHCb collaboration application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg |
| spellingShingle | Aaij, R. Abdelmotteleb, A. S. W. Beteta, C. A. Abudinén, F. Ackernley, T. Adeva, B. Adinolfi, M. Adlarson, P. Afsharnia, H. Agapopoulou, C. Aidala, C. A. Ajaltouni, Z. Akar, S. Akiba, K. Albicocco, P. Albrecht, J. Alessio, F. Alexander, M. Albero, A. A. Aliouche, Z. A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title | A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title_full | A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title_fullStr | A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title_full_unstemmed | A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title_short | A study of $$C\!P$$ C P violation in the decays $${{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ K + K - π + π - ] D h ± ( $$h = K, \pi $$ h = K , π ) and $${{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }$$ B ± → [ π + π - π + π - ] D h ± |
| title_sort | study of c p c p violation in the decays b pm rightarrow k k uppi uppi d h pm b k k π π d h h k pi h k π and b pm rightarrow uppi uppi uppi uppi d h pm b π π π π d h |
| url | https://hdl.handle.net/1721.1/151078 |
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