Study of B+pn¯π0

K.N. Chu () ; Y.R. Lin () ; M.Z. Wang () ; I. Adachi () ; K. Adamczyk () ; et al. - Show all 205 authors

We search for the tree-diagram dominated process B+pn¯π0, using a data sample of 772×106BB¯ pairs collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e collider. This is the first search with the Belle detector for a decay mode including an antineutron. No significant signal is observed and a 90% credible upper limit on the branching fraction is set at 6.3×106.

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  "titles": [
    {
      "source": "APS", 
      "title": "Study of <math><msup><mi>B</mi><mo>+</mo></msup><mo>\u2192</mo><mi>p</mi><mover><mi>n</mi><mo>\u00af</mo></mover><msup><mi>\u03c0</mi><mn>0</mn></msup></math>"
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      "year": 2023
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  }, 
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    7
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  ], 
  "copyright": [
    {
      "statement": "Published by the American Physical Society", 
      "year": "2023"
    }
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  "control_number": "82211", 
  "collaborations": [
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  "abstracts": [
    {
      "source": "APS", 
      "value": "We search for the tree-diagram dominated process <math><msup><mi>B</mi><mo>+</mo></msup><mo>\u2192</mo><mi>p</mi><mover><mi>n</mi><mo>\u00af</mo></mover><msup><mi>\u03c0</mi><mn>0</mn></msup></math>, using a data sample of <math><mn>772</mn><mo>\u00d7</mo><msup><mn>10</mn><mn>6</mn></msup><mi>B</mi><mover><mi>B</mi><mo>\u00af</mo></mover></math> pairs collected at the <math><mi>\u03d2</mi><mo>(</mo><mn>4</mn><mi>S</mi><mo>)</mo></math> resonance with the Belle detector at the KEKB asymmetric-energy <math><msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>\u2212</mo></msup></math> collider. This is the first search with the Belle detector for a decay mode including an antineutron. No significant signal is observed and a 90% credible upper limit on the branching fraction is set at <math><mn>6.3</mn><mo>\u00d7</mo><msup><mn>10</mn><mrow><mo>\u2212</mo><mn>6</mn></mrow></msup></math>."
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Published on:
15 December 2023
Publisher:
APS
Published in:
Physical Review D , Volume 108 (2023)
Issue 11
DOI:
https://doi.org/10.1103/PhysRevD.108.112007
arXiv:
2211.11251
Copyrights:
Published by the American Physical Society
Licence:
CC-BY-4.0

Fulltext files: