(1 vs. 11) FJPPLFlavourPhysics < FJPPL

Revision 112020-09-18 - Main.IsabelleRippBaudot

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META TOPICPARENT	name="FJPPLprojects"

FLAV_03: Flavour physics and theoretical challenge for precision

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K. Miyabayashi, A. Gaz, Y. Yusa, Y. Ushiroda, H. Tanigawa

References:

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[1] R. Rasheed et al., "Measurement of the B0 lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset", BELLE2-CONF-PH-2020-003, arXiv:2005.07507.

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META TOPICPARENT	name="FJPPLprojects"

FLAV_03: Flavour physics and theoretical challenge for precision

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FLAV_05: B flavour and Time Dependent CP violating measurement with Belle II

Summary:

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Time dependent asymmetry measurements (TDCPV) play a major role in flavor physics. They give access to CP violating parameters, which are central elements to test the Standard Model through the CKM matrix and which exhibit high sensitivity to New Physics. Our project ultimately intends to exploit the high sensitivity of TDCPV measurements to reveal indirectly New Physics in rare transitions b→sγ and b→sqq (q=s,d), which proceed through penguin diagrams. Conducting such advanced analysis at a B-factory requires two key ingredients: tagging the flavour of one of the B meson while the other decays into a flavour eigenstate and estimating with high precision the time difference (∆t) between the two B decay vertices. The Belle II experiment intends to stand at the forefront of flavour physics in the coming years by accumulating an integrated luminosity of 50 ab-1 at the SuperKEKB e+e- collider. However, in the first years of Belle II operation, the integrated luminosity growth follows the pace of the collider progresses toward high instantaneous luminosity and our understanding of the detector performances improves as well with time. The present project gathers physicists from Japan and France in order to reach robust time dependent asymmetry measurements with Belle II data in a timely manner. Members of this project have a strong leading role in Belle and Belle II collaborations regarding these measurements. Our activities have started since 2019 with relatively simple measurements like B meson lifetime measurement and rediscovery of the main B decay into CP-eigenstate (J/Psi+Ks). The project continues with refining analysis tools (flavour tag, time resolution model) and with the reconstruction of rare final states (Ks Ks Ks as well as Ks pi+ pi- gamma).

French members:
J. Baudot, G. Dujany, I. Ripp-Baudot, T. Fillinger, R. Rasheed

Revision 92020-04-03 - Main.IsabelleRippBaudot

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META TOPICPARENT	name="FJPPLprojects"

Deleted:

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FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Summary :

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about characterising the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled in 2018

French members :
I. Ripp-Baudot, J. Baudot, G. Claus, D. Cuesta, M. Goffe, A. Perez Perez, M. Szelezniak

Japanese members :
Y. Ushiroda, H. Nakayama, K. Nakamura, S. Tanaka,

References :
[1] A.Nomerotski et al., "PLUME collaboration : Ultra-light ladders for linear collider vertex detector", Nucl.Instr.Meth. A650 (2011) 208-212.
[2] J. Baudot, talk given at the June 2014 ECFA Detector Panel Review Open Session: "Development of ultra-light pixelated devices based on CPS". https://indico.desy.de/materialDisplay.py?contribId=2&materialId=slides&confId=10026

website:
- The Belle II experiment: http://www.belle2.org
- The PLUME project: http://www.iphc.cnrs.fr/PICSEL.html
- The PICSEL group: http://www.iphc.cnrs.fr/PLUME.html

------------------------------

FLAV_03 : Flavour physics and theoretical challenge for precision

Summary :

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https://belle2.cc.kek.jp/~twiki/bin/view/Public/B2TIP

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Added:

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>

FLAV_05: B flavour and Time Dependent CP violating measurement with Belle II

Summary:

French members:
J. Baudot, G. Dujany, I. Ripp-Baudot, T. Fillinger, R. Rasheed

Japanese members:
K. Miyabayashi, A. Gaz, Y. Yusa, Y. Ushiroda, H. Tanigawa

References:

Revision 82017-09-04 - Main.PhilipBambade

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META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

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FLAV_02 : Joint efforts towards searching for physics beyond the SM

>
>

FLAV_03 : Flavour physics and theoretical challenge for precision

Summary :
Flavour physics, and B physics in particular, constitutes one of the most promising probes of physics beyond the SM. The CP asymmetry measurements in the Bd and Bs systems as well as the observation of the large number of rare decays, such as B → Xs γ and Bs → µ+ µ −, have been studied at B factories as well as at LHCb. These processes are all induced by the loop level diagrams and thus, provide valuable indirect information on physics beyond the SM. Despite of a large expectation, there is no significant deviation from the SM observed so far. The very successful 7-8 TeV runs of LHC have excluded a large parameter space for many of the new physics models. In this circumstance, the most urgent task is now to re-examine the viability of these models and to determine the new benchmark models and their search strategies for the forthcoming experiments. This project combines two joint efforts towards this goal: i) LHCb-Belle II-theory common discussion towards a global fit of the new physics parameters, ii) contributions to the theory-experiment working group towards Belle II start-up.

Line: 43 to 43

[3] Webpage of Belle II Theory Interface Platform (B2TiP), an initiative to coordinate a joint theory-experiment effort to study the potential impacts of the Belle II program. https://belle2.cc.kek.jp/~twiki/bin/view/Public/B2TIP

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website

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Revision 72017-06-29 - Main.GenevieveGilbert

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META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Summary :

Changed:

<
<

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors, developed by the PICSEL group. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled from late 2017 to early of 2018.

>
>

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about characterising the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled in 2018

French members :
I. Ripp-Baudot, J. Baudot, G. Claus, D. Cuesta, M. Goffe, A. Perez Perez, M. Szelezniak

Revision 62017-06-29 - Main.GenevieveGilbert

Line: 1 to 1

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Line: 6 to 6

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors, developed by the PICSEL group. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled from late 2017 to early of 2018.

French members :

Changed:

<
<

I. Ripp-Baudot, J. Baudot, A. Besson, G. Claus, M. Goffe, A. Perez Perez, M. Szelezniak

>
>

I. Ripp-Baudot, J. Baudot, G. Claus, D. Cuesta, M. Goffe, A. Perez Perez, M. Szelezniak

Japanese members :
Y. Ushiroda, H. Nakayama, K. Nakamura, S. Tanaka,

Line: 28 to 28

Flavour physics, and B physics in particular, constitutes one of the most promising probes of physics beyond the SM. The CP asymmetry measurements in the Bd and Bs systems as well as the observation of the large number of rare decays, such as B → Xs γ and Bs → µ+ µ −, have been studied at B factories as well as at LHCb. These processes are all induced by the loop level diagrams and thus, provide valuable indirect information on physics beyond the SM. Despite of a large expectation, there is no significant deviation from the SM observed so far. The very successful 7-8 TeV runs of LHC have excluded a large parameter space for many of the new physics models. In this circumstance, the most urgent task is now to re-examine the viability of these models and to determine the new benchmark models and their search strategies for the forthcoming experiments. This project combines two joint efforts towards this goal: i) LHCb-Belle II-theory common discussion towards a global fit of the new physics parameters, ii) contributions to the theory-experiment working group towards Belle II start-up.

French members :

Changed:

<
<

M-H. Schune, Y. Amhis, B.Blossier, J. Hebinger, E. Kou, F. Le Diberder, V. Lisovsky, A. Mogoni, B. Moussallam, F. Polci, R. Poeschl, G. Wormser

>
>

E. Kou, F. Le Diberder, T. Moskalets, B. Moussallam, M-H. Schune

Japanese members :

Changed:

<
<

K. Hara, S. Hashimoto, K. Hayasaka, T. Higuchi, J. Hisano, A. Ishikawa, R. Itoh, T. Iijima, S. Mishima, M. Nojiri, Y. Sato, K. Trabelsi,

>
>

T. Kaneko, K. Hara, S. Hashimoto, K. Hayasaka, A. Ishikawa, S. Mishima, K. Trabelsi,

References :
[1] Implications of LHCb measurements and future prospects

Revision 52016-08-31 - Main.GenevieveGilbert

Line: 1 to 1

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Summary :

Changed:

<
<

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors, developed by the PICSEL group. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled from mid 2017 to beginning of 2018.

>
>

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors, developed by the PICSEL group. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled from late 2017 to early of 2018.

French members :
I. Ripp-Baudot, J. Baudot, A. Besson, G. Claus, M. Goffe, A. Perez Perez, M. Szelezniak

Line: 16 to 16

[2] J. Baudot, talk given at the June 2014 ECFA Detector Panel Review Open Session: "Development of ultra-light pixelated devices based on CPS". https://indico.desy.de/materialDisplay.py?contribId=2&materialId=slides&confId=10026

website:

Changed:

<
<

- The Belle II experiment: http://belle2.kek.jp/

>
>

- The Belle II experiment: http://www.belle2.org

- The PLUME project: http://www.iphc.cnrs.fr/PICSEL.html
- The PICSEL group: http://www.iphc.cnrs.fr/PLUME.html

Line: 28 to 28

Flavour physics, and B physics in particular, constitutes one of the most promising probes of physics beyond the SM. The CP asymmetry measurements in the Bd and Bs systems as well as the observation of the large number of rare decays, such as B → Xs γ and Bs → µ+ µ −, have been studied at B factories as well as at LHCb. These processes are all induced by the loop level diagrams and thus, provide valuable indirect information on physics beyond the SM. Despite of a large expectation, there is no significant deviation from the SM observed so far. The very successful 7-8 TeV runs of LHC have excluded a large parameter space for many of the new physics models. In this circumstance, the most urgent task is now to re-examine the viability of these models and to determine the new benchmark models and their search strategies for the forthcoming experiments. This project combines two joint efforts towards this goal: i) LHCb-Belle II-theory common discussion towards a global fit of the new physics parameters, ii) contributions to the theory-experiment working group towards Belle II start-up.

French members :

Changed:

<
<

M-H. Schune, B.Blossier, E. Kou, F. Le Diberder, B. Moussallam, F. Polci, R. Poeschl, G. Wormser

>
>

M-H. Schune, Y. Amhis, B.Blossier, J. Hebinger, E. Kou, F. Le Diberder, V. Lisovsky, A. Mogoni, B. Moussallam, F. Polci, R. Poeschl, G. Wormser

Japanese members :

Changed:

<
<

K. Hara, T. Goto, S. Hashimoto, T. Higuchi, R. Itoh, K. Trabelsi, K. Hayasaka, J. Hisano, T. Iijima, M. Nojiri, Y. Sato

>
>

K. Hara, S. Hashimoto, K. Hayasaka, T. Higuchi, J. Hisano, A. Ishikawa, R. Itoh, T. Iijima, S. Mishima, M. Nojiri, Y. Sato, K. Trabelsi,

References :
[1] Implications of LHCb measurements and future prospects

Revision 42015-07-15 - Main.PhilipBambade

Line: 1 to 1

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

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Y. Ushiroda, H. Nakayama, K. Nakamura, S. Tanaka,

References :

Changed:

<
<

- A.Nomerotski et al., "PLUME collaboration : Ultra-light ladders for linear collider vertex detector", Nucl.Instr.Meth. A650 (2011) 208-212.
- J. Baudot, talk given at the June 2014 ECFA Detector Panel Review Open Session: "Development of ultra-light pixelated devices based on CPS". https://indico.desy.de/materialDisplay.py?contribId=2&materialId=slides&confId=10026

>
>

[1] A.Nomerotski et al., "PLUME collaboration : Ultra-light ladders for linear collider vertex detector", Nucl.Instr.Meth. A650 (2011) 208-212.
[2] J. Baudot, talk given at the June 2014 ECFA Detector Panel Review Open Session: "Development of ultra-light pixelated devices based on CPS". https://indico.desy.de/materialDisplay.py?contribId=2&materialId=slides&confId=10026

website:
- The Belle II experiment: http://belle2.kek.jp/

Line: 36 to 34

K. Hara, T. Goto, S. Hashimoto, T. Higuchi, R. Itoh, K. Trabelsi, K. Hayasaka, J. Hisano, T. Iijima, M. Nojiri, Y. Sato

References :

Changed:

<
<

1) Implications of LHCb measurements and future prospects

>
>

[1] Implications of LHCb measurements and future prospects

Published in Eur.Phys.J. C73 (2013) 2373 e-Print: arXiv:1208.3355

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<

2) SuperKEKB TDR - Physics Motivation Chapter (2014)

>
>

[2] SuperKEKB TDR - Physics Motivation Chapter (2014)

https://belle2.cc.kek.jp/~twiki/pub/Public/B2TIP/SuperKEKBReport.pdf

Changed:

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<

3) Webpage of Belle II Theory Interface Platform (B2TiP), an initiative to coordinate a joint theory-experiment effort to study the potential impacts of the Belle II program.

>
>

[3] Webpage of Belle II Theory Interface Platform (B2TiP), an initiative to coordinate a joint theory-experiment effort to study the potential impacts of the Belle II program.

https://belle2.cc.kek.jp/~twiki/bin/view/Public/B2TIP

website

Revision 32015-07-13 - Main.PhilipBambade

Line: 1 to 1

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Summary :

Changed:

<
<

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10^35 /cm^2 /s^1. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using CMOS pixel sensors developed by the PICSEL group. This background study will be performed during the Belle II experiment commissioning (BEAST) scheduled from end of 2015 to end of 2016.

>
>

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10e35 /cm2/s. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using PLUME double-sided ladders equipped with CMOS pixel sensors, developed by the PICSEL group. This background study will be performed during the phase 2 of the Belle II experiment commissioning (BEAST), scheduled from mid 2017 to beginning of 2018.

French members :

Changed:

<
<

I. Ripp-Baudot, J. Baudot, A. Besson, G. Claus, M. Goffe, M. Szelezniak

>
>

I. Ripp-Baudot, J. Baudot, A. Besson, G. Claus, M. Goffe, A. Perez Perez, M. Szelezniak

Japanese members :
Y. Ushiroda, H. Nakayama, K. Nakamura, S. Tanaka,

Revision 22015-07-13 - Main.PhilipBambade

Line: 1 to 1

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Line: 24 to 24

------------------------------

Changed:

<
<

FLAV_02 : **

>
>

FLAV_02 : Joint efforts towards searching for physics beyond the SM

Summary :
Flavour physics, and B physics in particular, constitutes one of the most promising probes of physics beyond the SM. The CP asymmetry measurements in the Bd and Bs systems as well as the observation of the large number of rare decays, such as B → Xs γ and Bs → µ+ µ −, have been studied at B factories as well as at LHCb. These processes are all induced by the loop level diagrams and thus, provide valuable indirect information on physics beyond the SM. Despite of a large expectation, there is no significant deviation from the SM observed so far. The very successful 7-8 TeV runs of LHC have excluded a large parameter space for many of the new physics models. In this circumstance, the most urgent task is now to re-examine the viability of these models and to determine the new benchmark models and their search strategies for the forthcoming experiments. This project combines two joint efforts towards this goal: i) LHCb-Belle II-theory common discussion towards a global fit of the new physics parameters, ii) contributions to the theory-experiment working group towards Belle II start-up.

Revision 12015-06-18 - Main.GenevieveGilbert

Line: 1 to 1

Added:

>
>

META TOPICPARENT	name="FJPPLprojects"

FLAV_01 : Characterization of the SuperKEKB beam induced background during the BEAST commissioning of the Belle II experiment

Summary :

The SuperKEKB e+e- circular collider is a Super B-factory designed to reach the highest ever achieved instantaneous luminosity of 8×10^35 /cm^2 /s^1. SuperKEKB intense beams are expected to produce a very high level of background particles, increasing the detector occupancy and the radiation level, with major impact on the 2 innermost layers of the vertex detector. The present project is about defining a contribution to the characterisation of the SuperKEKB induced background within the Belle II inner tracker volume, using CMOS pixel sensors developed by the PICSEL group. This background study will be performed during the Belle II experiment commissioning (BEAST) scheduled from end of 2015 to end of 2016.

French members :
I. Ripp-Baudot, J. Baudot, A. Besson, G. Claus, M. Goffe, M. Szelezniak

Japanese members :
Y. Ushiroda, H. Nakayama, K. Nakamura, S. Tanaka,

References :
- A.Nomerotski et al., "PLUME collaboration : Ultra-light ladders for linear collider vertex detector", Nucl.Instr.Meth. A650 (2011) 208-212.
- J. Baudot, talk given at the June 2014 ECFA Detector Panel Review Open Session: "Development of ultra-light pixelated devices based on CPS". https://indico.desy.de/materialDisplay.py?contribId=2&materialId=slides&confId=10026

website:
- The Belle II experiment: http://belle2.kek.jp/
- The PLUME project: http://www.iphc.cnrs.fr/PICSEL.html
- The PICSEL group: http://www.iphc.cnrs.fr/PLUME.html

------------------------------

FLAV_02 : **

Summary :
Flavour physics, and B physics in particular, constitutes one of the most promising probes of physics beyond the SM. The CP asymmetry measurements in the Bd and Bs systems as well as the observation of the large number of rare decays, such as B → Xs γ and Bs → µ+ µ −, have been studied at B factories as well as at LHCb. These processes are all induced by the loop level diagrams and thus, provide valuable indirect information on physics beyond the SM. Despite of a large expectation, there is no significant deviation from the SM observed so far. The very successful 7-8 TeV runs of LHC have excluded a large parameter space for many of the new physics models. In this circumstance, the most urgent task is now to re-examine the viability of these models and to determine the new benchmark models and their search strategies for the forthcoming experiments. This project combines two joint efforts towards this goal: i) LHCb-Belle II-theory common discussion towards a global fit of the new physics parameters, ii) contributions to the theory-experiment working group towards Belle II start-up.

French members :
M-H. Schune, B.Blossier, E. Kou, F. Le Diberder, B. Moussallam, F. Polci, R. Poeschl, G. Wormser

Japanese members :
K. Hara, T. Goto, S. Hashimoto, T. Higuchi, R. Itoh, K. Trabelsi, K. Hayasaka, J. Hisano, T. Iijima, M. Nojiri, Y. Sato

References :
1) Implications of LHCb measurements and future prospects Published in Eur.Phys.J. C73 (2013) 2373 e-Print: arXiv:1208.3355
2) SuperKEKB TDR - Physics Motivation Chapter (2014) https://belle2.cc.kek.jp/~twiki/pub/Public/B2TIP/SuperKEKBReport.pdf
3) Webpage of Belle II Theory Interface Platform (B2TiP), an initiative to coordinate a joint theory-experiment effort to study the potential impacts of the Belle II program. https://belle2.cc.kek.jp/~twiki/bin/view/Public/B2TIP

website

------------------------------

Difference: FJPPLFlavourPhysics (1 vs. 11)

Revision 112020-09-18 - Main.IsabelleRippBaudot

Revision 102020-04-06 - Main.IsabelleRippBaudot

Revision 92020-04-03 - Main.IsabelleRippBaudot

Revision 82017-09-04 - Main.PhilipBambade

Revision 72017-06-29 - Main.GenevieveGilbert

Revision 62017-06-29 - Main.GenevieveGilbert

Revision 52016-08-31 - Main.GenevieveGilbert

Revision 42015-07-15 - Main.PhilipBambade

Revision 32015-07-13 - Main.PhilipBambade

Revision 22015-07-13 - Main.PhilipBambade

Revision 12015-06-18 - Main.GenevieveGilbert