دورية أكاديمية

Determination of the ^{27}Al Neutron Distribution Radius from a Parity-Violating Electron Scattering Measurement.

التفاصيل البيبلوغرافية
العنوان: Determination of the ^{27}Al Neutron Distribution Radius from a Parity-Violating Electron Scattering Measurement.
المؤلفون: Androić D; University of Zagreb, Zagreb, HR 10002, Croatia., Armstrong DS; William & Mary, Williamsburg, Virginia 23185, USA., Bartlett K; William & Mary, Williamsburg, Virginia 23185, USA., Beminiwattha RS; Ohio University, Athens, Ohio 45701, USA., Benesch J; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Benmokhtar F; Christopher Newport University, Newport News, Virginia 23606, USA., Birchall J; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Carlini RD; William & Mary, Williamsburg, Virginia 23185, USA.; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Cornejo JC; William & Mary, Williamsburg, Virginia 23185, USA., Covrig Dusa S; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Dalton MM; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.; University of Virginia, Charlottesville, Virginia 22903, USA., Davis CA; TRIUMF, Vancouver, British Columbia V6T2A3, Canada., Deconinck W; William & Mary, Williamsburg, Virginia 23185, USA., Dowd JF; William & Mary, Williamsburg, Virginia 23185, USA., Dunne JA; Mississippi State University, Mississippi State, Mississippi 39762, USA., Dutta D; Mississippi State University, Mississippi State, Mississippi 39762, USA., Duvall WS; Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA., Elaasar M; Southern University at New Orleans, New Orleans, Louisiana 70126, USA., Falk WR; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Finn JM; William & Mary, Williamsburg, Virginia 23185, USA., Forest T; Idaho State University, Pocatello, Idaho 83209, USA.; Louisiana Tech University, Ruston, Louisiana 71272, USA., Gal C; University of Virginia, Charlottesville, Virginia 22903, USA., Gaskell D; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Gericke MTW; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Gray VM; William & Mary, Williamsburg, Virginia 23185, USA., Grimm K; William & Mary, Williamsburg, Virginia 23185, USA.; Louisiana Tech University, Ruston, Louisiana 71272, USA., Guo F; Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA., Hoskins JR; William & Mary, Williamsburg, Virginia 23185, USA., Jones DC; University of Virginia, Charlottesville, Virginia 22903, USA., Jones MK; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Kargiantoulakis M; University of Virginia, Charlottesville, Virginia 22903, USA., King PM; Ohio University, Athens, Ohio 45701, USA., Korkmaz E; University of Northern British Columbia, Prince George, British Columbia V2N4Z9, Canada., Kowalski S; Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA., Leacock J; Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA., Leckey J; William & Mary, Williamsburg, Virginia 23185, USA., Lee AR; Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA., Lee JH; William & Mary, Williamsburg, Virginia 23185, USA.; Ohio University, Athens, Ohio 45701, USA., Lee L; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada.; TRIUMF, Vancouver, British Columbia V6T2A3, Canada., MacEwan S; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Mack D; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Magee JA; William & Mary, Williamsburg, Virginia 23185, USA., Mahurin R; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Mammei J; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada.; Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA., Martin JW; University of Winnipeg, Winnipeg, Manitoba R3B2E9, Canada., McHugh MJ; George Washington University, Washington, DC 20052, USA., Meekins D; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Mesick KE; George Washington University, Washington, DC 20052, USA.; Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA., Michaels R; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Micherdzinska A; George Washington University, Washington, DC 20052, USA., Mkrtchyan A; A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute), Yerevan 0036, Armenia., Mkrtchyan H; A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute), Yerevan 0036, Armenia., Narayan A; Mississippi State University, Mississippi State, Mississippi 39762, USA., Ndukum LZ; Mississippi State University, Mississippi State, Mississippi 39762, USA., Nelyubin V; University of Virginia, Charlottesville, Virginia 22903, USA., Nuruzzaman; Mississippi State University, Mississippi State, Mississippi 39762, USA.; Hampton University, Hampton, Virginia 23668, USA., van Oers WTH; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada.; TRIUMF, Vancouver, British Columbia V6T2A3, Canada., Owen VF; William & Mary, Williamsburg, Virginia 23185, USA., Page SA; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Pan J; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Paschke KD; University of Virginia, Charlottesville, Virginia 22903, USA., Phillips SK; University of New Hampshire, Durham, New Hampshire 03824, USA., Pitt ML; Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA., Radloff RW; Ohio University, Athens, Ohio 45701, USA., Rajotte JF; Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA., Ramsay WD; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada.; TRIUMF, Vancouver, British Columbia V6T2A3, Canada., Roche J; Ohio University, Athens, Ohio 45701, USA., Sawatzky B; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Seva T; University of Zagreb, Zagreb, HR 10002, Croatia., Shabestari MH; Mississippi State University, Mississippi State, Mississippi 39762, USA., Silwal R; University of Virginia, Charlottesville, Virginia 22903, USA., Simicevic N; Louisiana Tech University, Ruston, Louisiana 71272, USA., Smith GR; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Solvignon P; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Spayde DT; Hendrix College, Conway, Arkansas 72032, USA., Subedi A; Mississippi State University, Mississippi State, Mississippi 39762, USA., Suleiman R; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Tadevosyan V; A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute), Yerevan 0036, Armenia., Tobias WA; University of Virginia, Charlottesville, Virginia 22903, USA., Tvaskis V; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada.; University of Winnipeg, Winnipeg, Manitoba R3B2E9, Canada., Waidyawansa B; Ohio University, Athens, Ohio 45701, USA., Wang P; University of Manitoba, Winnipeg, Manitoba R3T2N2, Canada., Wells SP; Louisiana Tech University, Ruston, Louisiana 71272, USA., Wood SA; Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA., Yang S; William & Mary, Williamsburg, Virginia 23185, USA., Zang P; Syracuse University, Syracuse, New York 13244, USA., Zhamkochyan S; A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute), Yerevan 0036, Armenia., Christy ME; Hampton University, Hampton, Virginia 23668, USA., Horowitz CJ; Indiana University, Bloomington, Indiana 47405, USA., Fattoyev FJ; Indiana University, Bloomington, Indiana 47405, USA., Lin Z; Indiana University, Bloomington, Indiana 47405, USA.
مؤلفون مشاركون: Q<%2Fmi><%2Fmrow>weak<%2Fmi><%2Fmrow><%2Fmrow><%2Fmsub><%2Fmrow><%2Fmath>+Collaboration%22">Qweak Collaboration
المصدر: Physical review letters [Phys Rev Lett] 2022 Apr 01; Vol. 128 (13), pp. 132501.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: American Physical Society Country of Publication: United States NLM ID: 0401141 Publication Model: Print Cited Medium: Internet ISSN: 1079-7114 (Electronic) Linking ISSN: 00319007 NLM ISO Abbreviation: Phys Rev Lett Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: New York : American Physical Society
مستخلص: We report the first measurement of the parity-violating elastic electron scattering asymmetry on ^{27}Al. The ^{27}Al elastic asymmetry is A_{PV}=2.16±0.11(stat)±0.16(syst)  ppm, and was measured at ⟨Q^{2}⟩=0.02357±0.00010  GeV^{2}, ⟨θ_{lab}⟩=7.61°±0.02°, and ⟨E_{lab}⟩=1.157  GeV with the Q_{weak} apparatus at Jefferson Lab. Predictions using a simple Born approximation as well as more sophisticated distorted-wave calculations are in good agreement with this result. From this asymmetry the ^{27}Al neutron radius R_{n}=2.89±0.12  fm was determined using a many-models correlation technique. The corresponding neutron skin thickness R_{n}-R_{p}=-0.04±0.12  fm is small, as expected for a light nucleus with a neutron excess of only 1. This result thus serves as a successful benchmark for electroweak determinations of neutron radii on heavier nuclei. A tree-level approach was used to extract the ^{27}Al weak radius R_{w}=3.00±0.15  fm, and the weak skin thickness R_{wk}-R_{ch}=-0.04±0.15  fm. The weak form factor at this Q^{2} is F_{wk}=0.39±0.04.
تواريخ الأحداث: Date Created: 20220415 Latest Revision: 20220418
رمز التحديث: 20221213
DOI: 10.1103/PhysRevLett.128.132501
PMID: 35426696
قاعدة البيانات: MEDLINE
الوصف
تدمد:1079-7114
DOI:10.1103/PhysRevLett.128.132501