Update on B → D∗`ν form factor at zero-recoil using the Oktay-Kronfeld action

Tanmoy Bhattacharya; Rajan Gupta; Sungwoo Park; Yong Chull Jang; Jon A. Bailey; Benjamin J. Choi; Hwancheol Jeong; Seungyeob Jwa; Sunkyu Lee; Weonjong Lee; Jeonghwan Pak; Jaehoon Leem

Update on B → D^∗`ν form factor at zero-recoil using the Oktay-Kronfeld action

Tanmoy Bhattacharya, Rajan Gupta, Sungwoo Park, Yong Chull Jang, Jon A. Bailey, Benjamin J. Choi, Hwancheol Jeong, Seungyeob Jwa, Sunkyu Lee, Weonjong Lee, Jeonghwan Pak, Jaehoon Leem

Integrated Sciences and Engineering Division

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

We present an update on the calculation of B^¯ →D^∗`ν¯ semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on N_f = 2+1+1 flavor HISQ ensembles generated by the MILC collaboration. Preliminary results are given for two ensembles with a ≈ 0.12 and 0.09 fm and M_π ≈310 MeV. Calculations have been done with a number of valence quark masses, and the dependence of the form factor on them is investigated on the a ≈ 0.12 fm ensemble. The excited state is controlled by using multistate fits to the three-point correlators measured at 4–6 source-sink separations.

Original language	English
Article number	283
Journal	Proceedings of Science
Volume	334
Publication status	Published - 2018
Event	36th Annual International Symposium on Lattice Field Theory, LATTICE 2018 - East Lansing, United States Duration: 2018 Jul 22 → 2018 Jul 28

Bibliographical note

Funding Information:
collaboration, which are funded by the Office of Science of the U.S. Department of Energy, and (ii) the DAVID GPU clusters at Seoul National University. The research of W. Lee is supported by the Creative Research Initiatives Program (No. 2017013332) of the NRF grant funded by the Korean government (MEST). W. Lee acknowledges support from the KISTI supercomputing center through the strategic support program for the supercomputing application research (No. KSC-2016-C3-0072).

Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons.

All Science Journal Classification (ASJC) codes

General

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@article{867faa83747c43efb849cf86261238b3,

title = "Update on B → D∗`ν form factor at zero-recoil using the Oktay-Kronfeld action",

abstract = "We present an update on the calculation of B¯ →D∗`ν¯ semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on Nf = 2+1+1 flavor HISQ ensembles generated by the MILC collaboration. Preliminary results are given for two ensembles with a ≈ 0.12 and 0.09 fm and Mπ ≈310 MeV. Calculations have been done with a number of valence quark masses, and the dependence of the form factor on them is investigated on the a ≈ 0.12 fm ensemble. The excited state is controlled by using multistate fits to the three-point correlators measured at 4–6 source-sink separations.",

author = "Tanmoy Bhattacharya and Rajan Gupta and Sungwoo Park and Jang, {Yong Chull} and Bailey, {Jon A.} and Choi, {Benjamin J.} and Hwancheol Jeong and Seungyeob Jwa and Sunkyu Lee and Weonjong Lee and Jeonghwan Pak and Jaehoon Leem",

note = "Funding Information: collaboration, which are funded by the Office of Science of the U.S. Department of Energy, and (ii) the DAVID GPU clusters at Seoul National University. The research of W. Lee is supported by the Creative Research Initiatives Program (No. 2017013332) of the NRF grant funded by the Korean government (MEST). W. Lee acknowledges support from the KISTI supercomputing center through the strategic support program for the supercomputing application research (No. KSC-2016-C3-0072). Publisher Copyright: {\textcopyright} Copyright owned by the author(s) under the terms of the Creative Commons.; 36th Annual International Symposium on Lattice Field Theory, LATTICE 2018 ; Conference date: 22-07-2018 Through 28-07-2018",

year = "2018",

language = "English",

volume = "334",

journal = "Proceedings of Science",

issn = "1824-8039",

publisher = "Sissa Medialab Srl",

}

Update on B → D^∗`ν form factor at zero-recoil using the Oktay-Kronfeld action. / Bhattacharya, Tanmoy; Gupta, Rajan; Park, Sungwoo; Jang, Yong Chull; Bailey, Jon A.; Choi, Benjamin J.; Jeong, Hwancheol; Jwa, Seungyeob; Lee, Sunkyu; Lee, Weonjong; Pak, Jeonghwan; Leem, Jaehoon.

In: Proceedings of Science, Vol. 334, 283, 2018.

Research output: Contribution to journal › Conference article › peer-review

TY - JOUR

T1 - Update on B → D∗`ν form factor at zero-recoil using the Oktay-Kronfeld action

AU - Bhattacharya, Tanmoy

AU - Gupta, Rajan

AU - Park, Sungwoo

AU - Jang, Yong Chull

AU - Bailey, Jon A.

AU - Choi, Benjamin J.

AU - Jeong, Hwancheol

AU - Jwa, Seungyeob

AU - Lee, Sunkyu

AU - Lee, Weonjong

AU - Pak, Jeonghwan

AU - Leem, Jaehoon

N1 - Funding Information: collaboration, which are funded by the Office of Science of the U.S. Department of Energy, and (ii) the DAVID GPU clusters at Seoul National University. The research of W. Lee is supported by the Creative Research Initiatives Program (No. 2017013332) of the NRF grant funded by the Korean government (MEST). W. Lee acknowledges support from the KISTI supercomputing center through the strategic support program for the supercomputing application research (No. KSC-2016-C3-0072). Publisher Copyright: © Copyright owned by the author(s) under the terms of the Creative Commons.

PY - 2018

Y1 - 2018

N2 - We present an update on the calculation of B¯ →D∗`ν¯ semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on Nf = 2+1+1 flavor HISQ ensembles generated by the MILC collaboration. Preliminary results are given for two ensembles with a ≈ 0.12 and 0.09 fm and Mπ ≈310 MeV. Calculations have been done with a number of valence quark masses, and the dependence of the form factor on them is investigated on the a ≈ 0.12 fm ensemble. The excited state is controlled by using multistate fits to the three-point correlators measured at 4–6 source-sink separations.

AB - We present an update on the calculation of B¯ →D∗`ν¯ semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on Nf = 2+1+1 flavor HISQ ensembles generated by the MILC collaboration. Preliminary results are given for two ensembles with a ≈ 0.12 and 0.09 fm and Mπ ≈310 MeV. Calculations have been done with a number of valence quark masses, and the dependence of the form factor on them is investigated on the a ≈ 0.12 fm ensemble. The excited state is controlled by using multistate fits to the three-point correlators measured at 4–6 source-sink separations.

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M3 - Conference article

AN - SCOPUS:85069953827

VL - 334

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

M1 - 283

T2 - 36th Annual International Symposium on Lattice Field Theory, LATTICE 2018

Y2 - 22 July 2018 through 28 July 2018