Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections

Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B*%$ \overline{B} %$* pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral...
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Autor*in:	Bondar, A. E. [verfasserIn] Milstein, A. I. Mizuk, R. V. Salnikov, S. G.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Bottom Quarks Quarkonium

Anmerkung:	© The Author(s) 2022

Übergeordnetes Werk:	Enthalten in: Journal of high energy physics - Berlin : Springer, 1997, 2022(2022), 5 vom: 25. Mai
Übergeordnetes Werk:	volume:2022 ; year:2022 ; number:5 ; day:25 ; month:05

Links:	Volltext

DOI / URN:	10.1007/JHEP05(2022)170

Katalog-ID:	SPR047114312

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520			\|a Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK.
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allfields	10.1007/JHEP05(2022)170 doi (DE-627)SPR047114312 (SPR)JHEP05(2022)170-e DE-627 ger DE-627 rakwb eng Bondar, A. E. verfasserin aut Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213 Milstein, A. I. aut Mizuk, R. V. (orcid)0000-0002-2209-6969 aut Salnikov, S. G. (orcid)0000-0003-0124-9900 aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2022(2022), 5 vom: 25. Mai (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2022 year:2022 number:5 day:25 month:05 https://dx.doi.org/10.1007/JHEP05(2022)170 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2022 2022 5 25 05
spelling	10.1007/JHEP05(2022)170 doi (DE-627)SPR047114312 (SPR)JHEP05(2022)170-e DE-627 ger DE-627 rakwb eng Bondar, A. E. verfasserin aut Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213 Milstein, A. I. aut Mizuk, R. V. (orcid)0000-0002-2209-6969 aut Salnikov, S. G. (orcid)0000-0003-0124-9900 aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2022(2022), 5 vom: 25. Mai (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2022 year:2022 number:5 day:25 month:05 https://dx.doi.org/10.1007/JHEP05(2022)170 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2022 2022 5 25 05
allfields_unstemmed	10.1007/JHEP05(2022)170 doi (DE-627)SPR047114312 (SPR)JHEP05(2022)170-e DE-627 ger DE-627 rakwb eng Bondar, A. E. verfasserin aut Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213 Milstein, A. I. aut Mizuk, R. V. (orcid)0000-0002-2209-6969 aut Salnikov, S. G. (orcid)0000-0003-0124-9900 aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2022(2022), 5 vom: 25. Mai (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2022 year:2022 number:5 day:25 month:05 https://dx.doi.org/10.1007/JHEP05(2022)170 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2022 2022 5 25 05
allfieldsGer	10.1007/JHEP05(2022)170 doi (DE-627)SPR047114312 (SPR)JHEP05(2022)170-e DE-627 ger DE-627 rakwb eng Bondar, A. E. verfasserin aut Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213 Milstein, A. I. aut Mizuk, R. V. (orcid)0000-0002-2209-6969 aut Salnikov, S. G. (orcid)0000-0003-0124-9900 aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2022(2022), 5 vom: 25. Mai (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2022 year:2022 number:5 day:25 month:05 https://dx.doi.org/10.1007/JHEP05(2022)170 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2022 2022 5 25 05
allfieldsSound	10.1007/JHEP05(2022)170 doi (DE-627)SPR047114312 (SPR)JHEP05(2022)170-e DE-627 ger DE-627 rakwb eng Bondar, A. E. verfasserin aut Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2022 Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213 Milstein, A. I. aut Mizuk, R. V. (orcid)0000-0002-2209-6969 aut Salnikov, S. G. (orcid)0000-0003-0124-9900 aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2022(2022), 5 vom: 25. Mai (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2022 year:2022 number:5 day:25 month:05 https://dx.doi.org/10.1007/JHEP05(2022)170 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2022 2022 5 25 05
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source	Enthalten in Journal of high energy physics 2022(2022), 5 vom: 25. Mai volume:2022 year:2022 number:5 day:25 month:05
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author	Bondar, A. E.
spellingShingle	Bondar, A. E. misc Bottom Quarks misc Quarkonium Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections
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topic_title	Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections Bottom Quarks (dpeaa)DE-He213 Quarkonium (dpeaa)DE-He213
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title	Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections
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title_full	Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections
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author_browse	Bondar, A. E. Milstein, A. I. Mizuk, R. V. Salnikov, S. G.
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title_sort	effects of isospin violation in the e+e−→ b()%$ \overline{b} %$() cross sections
title_auth	Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections
abstract	Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. © The Author(s) 2022
abstractGer	Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. © The Author(s) 2022
abstract_unstemmed	Abstract Model estimates are obtained for the influence of Coulomb effects on the ratio of the cross sections for the production of charged and neutral B%$ \overline{B} %$ and B%$ \overline{B} %$ pairs in e+e− annihilation. It is shown that the difference between the masses of charged and neutral mesons obtained under the assumption that this ratio is constant on a scale of the order of the beam energy spread can differ from the true one by δM ∼ 0.03 MeV at the energy of Υ(5S) and by δM ∼ 0.4 MeV at the energy of Υ(4S). Thus, the errors given in the PDG for the difference between the masses of charged and neutral B mesons, based on the results obtained at the energy of Υ(4S), are strongly underestimated. Similar measurements at the energy of Υ(5S) will have an order of magnitude smaller systematic shift for the mass difference. This circumstance should be taken into account when planning future experiments at the B factory in KEK. © The Author(s) 2022
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title_short	Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections
url	https://dx.doi.org/10.1007/JHEP05(2022)170
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Effects of isospin violation in the e+e−→ B(*)%$ \overline{B} %$(*) cross sections

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Effects of isospin violation in the e+e−→ B()%$ \overline{B} %$() cross sections