searches for non-standard model scalars in the belle and belle ii experiments · 2019. 9. 16. ·...

Searches for non-standard modelscalars in the Belle and Belle II

experiments

Karol AdamczykIFJ PAN

on behalf of the Belle Collaboration

Scalars 201911-14 September 2019University of Warsaw

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Preliminary

Preliminary

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arXiv:1904.08794[hep-ex]

Comput Softw Big Sci 3, 6 (2019)

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arXiv:1904.08794[hep-ex]

Preliminary

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arXiv:1903.03102[hep-ex]

Preliminary

PRL 118, 211801 (2017)

The Belle Physics Book: arXiv:1808.10567[hep-ex] Comput Softw Big Sci 3, 6 (2019)

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arXiv:1906.06871[hep-ex]

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arXiv:1906.06871[hep-ex]

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arXiv:1906.06871[hep-ex]

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arXiv:1906.06871[hep-ex]

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Phys. Rev. Let 122, 011801 (2019)

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Phys. Rev. Let 122, 011801 (2019)

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arXiv:1904.08794[hep-ex]

EECL (energy left in the calorimeter)

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arXiv:1904.08794[hep-ex]

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arXiv:1904.08794[hep-ex]

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arXiv:1903.03102[hep-ex]

arXiv:1903.03102[hep-ex]

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R(D) and R(D*) - Belle results

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R(D), R(D*) - 2019

•R(D) and R(D*) exceed the SM predictionsby 1.4σ and 2.5σ respectively.•R(D)-R(D*)) correlation of -0.38•The difference with the SM predictions

corresponds to about 3.08σ.

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arXiv:1903.03102[hep-ex]

Phys. Rev. Lett. 121, 031801 (2018)

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Systematics

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FEI

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Phys. Rev. Let 122, 011801 (2019)

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Belle II detector

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Belle II - integreted Luminosity

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Light CP-odd Higgs - fit to recoil mass andphoton energy