Studies of the semileptonic \bar B^0\to D^{*+}\ell^-\barν_\ell and B^-\to D^{0}\ell^-\barν_\ell decay processes with 34.6 fb^{-1} of Belle II data
- Publikationstyp:
- Zeitschriftenaufsatz
- Metadaten:
-
- Abstract
- We report measurements of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ and $B^- \to D^{0} \ell^{-} \bar{\nu}_l$ processes using 34.6 fb$^{-1}$ of collision events recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider. For the $B^-\to D^{0}\ell^-\bar\nu_\ell$ channel, we present first studies that isolate this decay from other semileptonic processes and backgrounds. We report a measurement of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ branching fraction and obtain ${\cal B}(\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l) = \left(4.60 \pm 0.05_{\mathrm{stat}}\pm0.17_{\mathrm{syst}} \pm 0.45_{\pi_s}\right) \%$, in agreement with the world average. Here, the uncertainties are statistical, systematic, and related to slow pion reconstruction, respectively. The systematic uncertainties are limited by the statistics of auxiliary measurements and will improve in the future. We also report differential branching fractions in five bins of the hadronic recoil parameter $w$ for $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$, unfolded to account for resolution and efficiency effects.
- Autoren
- Belle II Collaboration
- F Abudinén
- I Adachi
- R Adak
- K Adamczyk
- P Ahlburg
- JK Ahn
- H Aihara
- N Akopov
- A Aloisio
- F Ameli
- L Andricek
- N Anh Ky
- DM Asner
- H Atmacan
- V Aulchenko
- T Aushev
- V Aushev
- T Aziz
- V Babu
- S Bacher
- S Baehr
- S Bahinipati
- AM Bakich
- P Bambade
- Sw Banerjee
- S Bansal
- M Barrett
- G Batignani
- J Baudot
- A Beaulieu
- J Becker
- PK Behera
- M Bender
- JV Bennett
- E Bernieri
- FU Bernlochner
- M Bertemes
- M Bessner
- S Bettarini
- V Bhardwaj
- B Bhuyan
- F Bianchi
- T Bilka
- S Bilokin
- D Biswas
- A Bobrov
- A Bondar
- G Bonvicini
- A Bozek
- M Bračko
- P Branchini
- N Braun
- RA Briere
- TE Browder
- DN Brown
- A Budano
- L Burmistrov
- S Bussino
- S Calò
- M Campajola
- L Cao
- G Caria
- G Casarosa
- C Cecchi
- D Červenkov
- M-C Chang
- P Chang
- R Cheaib
- V Chekelian
- C Chen
- YQ Chen
- Y-T Chen
- BG Cheon
- K Chilikin
- K Chirapatpimol
- H-E Cho
- K Cho
- S-J Cho
- S-K Choi
- S Choudhury
- D Cinabro
- L Corona
- LM Cremaldi
- D Cuesta
- S Cunliffe
- T Czank
- N Dash
- F Dattola
- E De La Cruz-Burelo
- G De Nardo
- M De Nuccio
- G De Pietro
- R de Sangro
- B Deschamps
- M Destefanis
- S Dey
- A De Yta-Hernandez
- A Di Canto
- F Di Capua
- S Di Carlo
- J Dingfelder
- Z Doležal
- I Domínguez Jiménez
- TV Dong
- K Dort
- D Dossett
- S Dubey
- S Duell
- G Dujany
- S Eidelman
- M Eliachevitch
- D Epifanov
- JE Fast
- T Ferber
- D Ferlewicz
- G Finocchiaro
- S Fiore
- P Fischer
- A Fodor
- F Forti
- A Frey
- M Friedl
- BG Fulsom
- M Gabriel
- N Gabyshev
- E Ganiev
- M Garcia-Hernandez
- R Garg
- A Garmash
- V Gaur
- A Gaz
- U Gebauer
- M Gelb
- A Gellrich
- J Gemmler
- T Geßler
- D Getzkow
- R Giordano
- A Giri
- A Glazov
- B Gobbo
- R Godang
- P Goldenzweig
- B Golob
- P Gomis
- P Grace
- W Gradl
- E Graziani
- D Greenwald
- Y Guan
- C Hadjivasiliou
- S Halder
- K Hara
- T Hara
- O Hartbrich
- T Hauth
- K Hayasaka
- H Hayashii
- C Hearty
- M Heck
- MT Hedges
- I Heredia de la Cruz
- M Hernández Villanueva
- A Hershenhorn
- T Higuchi
- EC Hill
- H Hirata
- M Hoek
- M Hohmann
- S Hollitt
- T Hotta
- C-L Hsu
- Y Hu
- K Huang
- T Iijima
- K Inami
- G Inguglia
- J Irakkathil Jabbar
- A Ishikawa
- R Itoh
- M Iwasaki
- Y Iwasaki
- S Iwata
- P Jackson
- WW Jacobs
- I Jaegle
- DE Jaffe
- E-J Jang
- M Jeandron
- HB Jeon
- S Jia
- Y Jin
- C Joo
- KK Joo
- I Kadenko
- J Kahn
- H Kakuno
- AB Kaliyar
- J Kandra
- KH Kang
- P Kapusta
- R Karl
- G Karyan
- Y Kato
- H Kawai
- T Kawasaki
- T Keck
- C Ketter
- H Kichimi
- C Kiesling
- BH Kim
- C-H Kim
- DY Kim
- HJ Kim
- JB Kim
- K-H Kim
- K Kim
- S-H Kim
- Y-K Kim
- Y Kim
- TD Kimmel
- H Kindo
- K Kinoshita
- B Kirby
- C Kleinwort
- B Knysh
- P Kodyš
- T Koga
- S Kohani
- I Komarov
- T Konno
- S Korpar
- N Kovalchuk
- TMG Kraetzschmar
- P Križan
- R Kroeger
- JF Krohn
- P Krokovny
- H Krüger
- W Kuehn
- T Kuhr
- J Kumar
- M Kumar
- R Kumar
- K Kumara
- T Kumita
- T Kunigo
- M Künzel
- S Kurz
- A Kuzmin
- P Kvasnička
- Y-J Kwon
- S Lacaprara
- Y-T Lai
- C La Licata
- K Lalwani
- L Lanceri
- JS Lange
- K Lautenbach
- PJ Laycock
- FR Le Diberder
- I-S Lee
- SC Lee
- P Leitl
- D Levit
- PM Lewis
- C Li
- LK Li
- SX Li
- YM Li
- YB Li
- J Libby
- K Lieret
- L Li Gioi
- J Lin
- Z Liptak
- QY Liu
- ZA Liu
- D Liventsev
- S Longo
- A Loos
- P Lu
- M Lubej
- T Lueck
- F Luetticke
- T Luo
- C Lyu
- C MacQueen
- Y Maeda
- M Maggiora
- S Maity
- R Manfredi
- E Manoni
- S Marcello
- C Marinas
- A Martini
- M Masuda
- T Matsuda
- K Matsuoka
- D Matvienko
- J McNeil
- F Meggendorfer
- JC Mei
- F Meier
- M Merola
- F Metzner
- M Milesi
- C Miller
- K Miyabayashi
- H Miyake
- H Miyata
- R Mizuk
- K Azmi
- GB Mohanty
- H Moon
- T Moon
- JA Mora Grimaldo
- A Morda
- T Morii
- H-G Moser
- M Mrvar
- F Mueller
- FJ Müller
- Th Muller
- G Muroyama
- C Murphy
- R Mussa
- K Nakagiri
- I Nakamura
- KR Nakamura
- E Nakano
- M Nakao
- H Nakayama
- H Nakazawa
- T Nanut
- Z Natkaniec
- A Natochii
- M Nayak
- G Nazaryan
- D Neverov
- C Niebuhr
- M Niiyama
- J Ninkovic
- NK Nisar
- S Nishida
- K Nishimura
- M Nishimura
- MHA Nouxman
- B Oberhof
- K Ogawa
- S Ogawa
- SL Olsen
- Y Onishchuk
- H Ono
- Y Onuki
- P Oskin
- ER Oxford
- H Ozaki
- P Pakhlov
- G Pakhlova
- A Paladino
- T Pang
- A Panta
- E Paoloni
- S Pardi
- C Park
- H Park
- S-H Park
- B Paschen
- A Passeri
- A Pathak
- S Patra
- S Paul
- TK Pedlar
- I Peruzzi
- R Peschke
- R Pestotnik
- M Piccolo
- LE Piilonen
- PLM Podesta-Lerma
- G Polat
- V Popov
- C Praz
- E Prencipe
- MT Prim
- MV Purohit
- N Rad
- P Rados
- R Rasheed
- M Reif
- S Reiter
- M Remnev
- PK Resmi
- I Ripp-Baudot
- M Ritter
- M Ritzert
- G Rizzo
- LB Rizzuto
- SH Robertson
- D Rodríguez Pérez
- JM Roney
- C Rosenfeld
- A Rostomyan
- N Rout
- M Rozanska
- G Russo
- D Sahoo
- Y Sakai
- DA Sanders
- S Sandilya
- A Sangal
- L Santelj
- P Sartori
- J Sasaki
- Y Sato
- V Savinov
- B Scavino
- M Schram
- H Schreeck
- J Schueler
- C Schwanda
- AJ Schwartz
- B Schwenker
- RM Seddon
- Y Seino
- A Selce
- K Senyo
- IS Seong
- J Serrano
- ME Sevior
- C Sfienti
- V Shebalin
- CP Shen
- H Shibuya
- J-G Shiu
- B Shwartz
- A Sibidanov
- F Simon
- JB Singh
- S Skambraks
- K Smith
- RJ Sobie
- A Soffer
- A Sokolov
- Y Soloviev
- E Solovieva
- S Spataro
- B Spruck
- M Starič
- S Stefkova
- ZS Stottler
- R Stroili
- J Strube
- J Stypula
- M Sumihama
- K Sumisawa
- T Sumiyoshi
- DJ Summers
- W Sutcliffe
- K Suzuki
- SY Suzuki
- H Svidras
- M Tabata
- M Takahashi
- M Takizawa
- U Tamponi
- S Tanaka
- K Tanida
- H Tanigawa
- N Taniguchi
- Y Tao
- P Taras
- F Tenchini
- D Tonelli
- E Torassa
- K Trabelsi
- T Tsuboyama
- N Tsuzuki
- M Uchida
- I Ueda
- S Uehara
- T Ueno
- T Uglov
- K Unger
- Y Unno
- S Uno
- P Urquijo
- Y Ushiroda
- Y Usov
- SE Vahsen
- R van Tonder
- GS Varner
- KE Varvell
- A Vinokurova
- L Vitale
- V Vorobyev
- A Vossen
- E Waheed
- HM Wakeling
- K Wan
- W Wan Abdullah
- B Wang
- CH Wang
- M-Z Wang
- XL Wang
- A Warburton
- M Watanabe
- S Watanuki
- I Watson
- J Webb
- S Wehle
- M Welsch
- C Wessel
- J Wiechczynski
- P Wieduwilt
- H Windel
- E Won
- LJ Wu
- XP Xu
- B Yabsley
- S Yamada
- W Yan
- SB Yang
- H Ye
- J Yelton
- I Yeo
- JH Yin
- M Yonenaga
- YM Yook
- T Yoshinobu
- CZ Yuan
- G Yuan
- W Yuan
- Y Yusa
- L Zani
- JZ Zhang
- Y Zhang
- Z Zhang
- V Zhilich
- QD Zhou
- XY Zhou
- VI Zhukova
- V Zhulanov
- A Zupanc
- Autoren-URL
- http://arxiv.org/abs/2008.07198v2
- Schlüsselwörter
- hep-ex
- hep-ex
- Notes
- 19 pages, 6 figures
- Datum der Veröffentlichung
- 2020
- Datum der Datenerfassung
- 2020
- Datum, an dem der Datensatz öffentlich gemacht wurde
- 2020
- Titel
- Studies of the semileptonic $\bar B^0\to D^{*+}\ell^-\barν_\ell$ and $B^-\to D^{0}\ell^-\barν_\ell$ decay processes with 34.6 fb$^{-1}$ of Belle II data
Files
2008.07198v2.pdf
Datenquelle: arXiv
- Andere Metadatenquellen:
-
- Abstract
- We report measurements of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ and $B^- \to D^{0} \ell^{-} \bar{\nu}_l$ processes using 34.6 fb$^{-1}$ of collision events recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider. For the $B^-\to D^{0}\ell^-\bar\nu_\ell$ channel, we present first studies that isolate this decay from other semileptonic processes and backgrounds. We report a measurement of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ branching fraction and obtain ${\cal B}(\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l) = \left(4.60 \pm 0.05_{\mathrm{stat}}\pm0.17_{\mathrm{syst}} \pm 0.45_{\pi_s}\right) \%$, in agreement with the world average. Here, the uncertainties are statistical, systematic, and related to slow pion reconstruction, respectively. The systematic uncertainties are limited by the statistics of auxiliary measurements and will improve in the future. We also report differential branching fractions in five bins of the hadronic recoil parameter $w$ for $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$, unfolded to account for resolution and efficiency effects.
- Autoren
- Belle II Collaboration
- F Abudinén
- I Adachi
- R Adak
- K Adamczyk
- P Ahlburg
- JK Ahn
- H Aihara
- N Akopov
- A Aloisio
- F Ameli
- L Andricek
- N Anh Ky
- DM Asner
- H Atmacan
- V Aulchenko
- T Aushev
- V Aushev
- T Aziz
- V Babu
- S Bacher
- S Baehr
- S Bahinipati
- AM Bakich
- P Bambade
- Sw Banerjee
- S Bansal
- M Barrett
- G Batignani
- J Baudot
- A Beaulieu
- J Becker
- PK Behera
- M Bender
- JV Bennett
- E Bernieri
- FU Bernlochner
- M Bertemes
- M Bessner
- S Bettarini
- V Bhardwaj
- B Bhuyan
- F Bianchi
- T Bilka
- S Bilokin
- D Biswas
- A Bobrov
- A Bondar
- G Bonvicini
- A Bozek
- M Bračko
- P Branchini
- N Braun
- RA Briere
- TE Browder
- DN Brown
- A Budano
- L Burmistrov
- S Bussino
- S Calò
- M Campajola
- L Cao
- G Caria
- G Casarosa
- C Cecchi
- D Červenkov
- M-C Chang
- P Chang
- R Cheaib
- V Chekelian
- C Chen
- YQ Chen
- Y-T Chen
- BG Cheon
- K Chilikin
- K Chirapatpimol
- H-E Cho
- K Cho
- S-J Cho
- S-K Choi
- S Choudhury
- D Cinabro
- L Corona
- LM Cremaldi
- D Cuesta
- S Cunliffe
- T Czank
- N Dash
- F Dattola
- E De La Cruz-Burelo
- G De Nardo
- M De Nuccio
- G De Pietro
- R de Sangro
- B Deschamps
- M Destefanis
- S Dey
- A De Yta-Hernandez
- A Di Canto
- F Di Capua
- S Di Carlo
- J Dingfelder
- Z Doležal
- I Domínguez Jiménez
- TV Dong
- K Dort
- D Dossett
- S Dubey
- S Duell
- G Dujany
- S Eidelman
- M Eliachevitch
- D Epifanov
- JE Fast
- T Ferber
- D Ferlewicz
- G Finocchiaro
- S Fiore
- P Fischer
- A Fodor
- F Forti
- A Frey
- M Friedl
- BG Fulsom
- M Gabriel
- N Gabyshev
- E Ganiev
- M Garcia-Hernandez
- R Garg
- A Garmash
- V Gaur
- A Gaz
- U Gebauer
- M Gelb
- A Gellrich
- J Gemmler
- T Geßler
- D Getzkow
- R Giordano
- A Giri
- A Glazov
- B Gobbo
- R Godang
- P Goldenzweig
- B Golob
- P Gomis
- P Grace
- W Gradl
- E Graziani
- D Greenwald
- Y Guan
- C Hadjivasiliou
- S Halder
- K Hara
- T Hara
- O Hartbrich
- T Hauth
- K Hayasaka
- H Hayashii
- C Hearty
- M Heck
- MT Hedges
- I Heredia de la Cruz
- M Hernández Villanueva
- A Hershenhorn
- T Higuchi
- EC Hill
- H Hirata
- M Hoek
- M Hohmann
- S Hollitt
- T Hotta
- C-L Hsu
- Y Hu
- K Huang
- T Iijima
- K Inami
- G Inguglia
- J Irakkathil Jabbar
- A Ishikawa
- R Itoh
- M Iwasaki
- Y Iwasaki
- S Iwata
- P Jackson
- WW Jacobs
- I Jaegle
- DE Jaffe
- E-J Jang
- M Jeandron
- HB Jeon
- S Jia
- Y Jin
- C Joo
- KK Joo
- I Kadenko
- J Kahn
- H Kakuno
- AB Kaliyar
- J Kandra
- KH Kang
- P Kapusta
- R Karl
- G Karyan
- Y Kato
- H Kawai
- T Kawasaki
- T Keck
- C Ketter
- H Kichimi
- C Kiesling
- BH Kim
- C-H Kim
- DY Kim
- HJ Kim
- JB Kim
- K-H Kim
- K Kim
- S-H Kim
- Y-K Kim
- Y Kim
- TD Kimmel
- H Kindo
- K Kinoshita
- B Kirby
- C Kleinwort
- B Knysh
- P Kodyš
- T Koga
- S Kohani
- I Komarov
- T Konno
- S Korpar
- N Kovalchuk
- TMG Kraetzschmar
- P Križan
- R Kroeger
- JF Krohn
- P Krokovny
- H Krüger
- W Kuehn
- T Kuhr
- J Kumar
- M Kumar
- R Kumar
- K Kumara
- T Kumita
- T Kunigo
- M Künzel
- S Kurz
- A Kuzmin
- P Kvasnička
- Y-J Kwon
- S Lacaprara
- Y-T Lai
- C La Licata
- K Lalwani
- L Lanceri
- JS Lange
- K Lautenbach
- PJ Laycock
- FR Le Diberder
- I-S Lee
- SC Lee
- P Leitl
- D Levit
- PM Lewis
- C Li
- LK Li
- SX Li
- YM Li
- YB Li
- J Libby
- K Lieret
- L Li Gioi
- J Lin
- Z Liptak
- QY Liu
- ZA Liu
- D Liventsev
- S Longo
- A Loos
- P Lu
- M Lubej
- T Lueck
- F Luetticke
- T Luo
- C Lyu
- C MacQueen
- Y Maeda
- M Maggiora
- S Maity
- R Manfredi
- E Manoni
- S Marcello
- C Marinas
- A Martini
- M Masuda
- T Matsuda
- K Matsuoka
- D Matvienko
- J McNeil
- F Meggendorfer
- JC Mei
- F Meier
- M Merola
- F Metzner
- M Milesi
- C Miller
- K Miyabayashi
- H Miyake
- H Miyata
- R Mizuk
- K Azmi
- GB Mohanty
- H Moon
- T Moon
- JA Mora Grimaldo
- A Morda
- T Morii
- H-G Moser
- M Mrvar
- F Mueller
- FJ Müller
- Th Muller
- G Muroyama
- C Murphy
- R Mussa
- K Nakagiri
- I Nakamura
- KR Nakamura
- E Nakano
- M Nakao
- H Nakayama
- H Nakazawa
- T Nanut
- Z Natkaniec
- A Natochii
- M Nayak
- G Nazaryan
- D Neverov
- C Niebuhr
- M Niiyama
- J Ninkovic
- NK Nisar
- S Nishida
- K Nishimura
- M Nishimura
- MHA Nouxman
- B Oberhof
- K Ogawa
- S Ogawa
- SL Olsen
- Y Onishchuk
- H Ono
- Y Onuki
- P Oskin
- ER Oxford
- H Ozaki
- P Pakhlov
- G Pakhlova
- A Paladino
- T Pang
- A Panta
- E Paoloni
- S Pardi
- C Park
- H Park
- S-H Park
- B Paschen
- A Passeri
- A Pathak
- S Patra
- S Paul
- TK Pedlar
- I Peruzzi
- R Peschke
- R Pestotnik
- M Piccolo
- LE Piilonen
- PLM Podesta-Lerma
- G Polat
- V Popov
- C Praz
- E Prencipe
- MT Prim
- MV Purohit
- N Rad
- P Rados
- R Rasheed
- M Reif
- S Reiter
- M Remnev
- PK Resmi
- I Ripp-Baudot
- M Ritter
- M Ritzert
- G Rizzo
- LB Rizzuto
- SH Robertson
- D Rodríguez Pérez
- JM Roney
- C Rosenfeld
- A Rostomyan
- N Rout
- M Rozanska
- G Russo
- D Sahoo
- Y Sakai
- DA Sanders
- S Sandilya
- A Sangal
- L Santelj
- P Sartori
- J Sasaki
- Y Sato
- V Savinov
- B Scavino
- M Schram
- H Schreeck
- J Schueler
- C Schwanda
- AJ Schwartz
- B Schwenker
- RM Seddon
- Y Seino
- A Selce
- K Senyo
- IS Seong
- J Serrano
- ME Sevior
- C Sfienti
- V Shebalin
- CP Shen
- H Shibuya
- J-G Shiu
- B Shwartz
- A Sibidanov
- F Simon
- JB Singh
- S Skambraks
- K Smith
- RJ Sobie
- A Soffer
- A Sokolov
- Y Soloviev
- E Solovieva
- S Spataro
- B Spruck
- M Starič
- S Stefkova
- ZS Stottler
- R Stroili
- J Strube
- J Stypula
- M Sumihama
- K Sumisawa
- T Sumiyoshi
- DJ Summers
- W Sutcliffe
- K Suzuki
- SY Suzuki
- H Svidras
- M Tabata
- M Takahashi
- M Takizawa
- U Tamponi
- S Tanaka
- K Tanida
- H Tanigawa
- N Taniguchi
- Y Tao
- P Taras
- F Tenchini
- D Tonelli
- E Torassa
- K Trabelsi
- T Tsuboyama
- N Tsuzuki
- M Uchida
- I Ueda
- S Uehara
- T Ueno
- T Uglov
- K Unger
- Y Unno
- S Uno
- P Urquijo
- Y Ushiroda
- Y Usov
- SE Vahsen
- R van Tonder
- GS Varner
- KE Varvell
- A Vinokurova
- L Vitale
- V Vorobyev
- A Vossen
- E Waheed
- HM Wakeling
- K Wan
- W Wan Abdullah
- B Wang
- CH Wang
- M-Z Wang
- XL Wang
- A Warburton
- M Watanabe
- S Watanuki
- I Watson
- J Webb
- S Wehle
- M Welsch
- C Wessel
- J Wiechczynski
- P Wieduwilt
- H Windel
- E Won
- LJ Wu
- XP Xu
- B Yabsley
- S Yamada
- W Yan
- SB Yang
- H Ye
- J Yelton
- I Yeo
- JH Yin
- M Yonenaga
- YM Yook
- T Yoshinobu
- CZ Yuan
- G Yuan
- W Yuan
- Y Yusa
- L Zani
- JZ Zhang
- Y Zhang
- Z Zhang
- V Zhilich
- QD Zhou
- XY Zhou
- VI Zhukova
- V Zhulanov
- A Zupanc
- Autoren-URL
- http://arxiv.org/abs/2008.07198v2
- Schlüsselwörter
- hep-ex
- hep-ex
- Notes
- 19 pages, 6 figures
- Datum der Veröffentlichung
- 2020
- Datum der Datenerfassung
- 2023
- Titel
- Studies of the semileptonic \bar B^0\to D^{*+}\ell^-\barν_\ell and B^-\to D^{0}\ell^-\barν_\ell decay processes with 34.6 fb^{-1} of Belle II data
Datenquelle: Manual
- Beziehungen:
- Eigentum von