Studying the gluon and charm content of the deuteron Nodoka - PowerPoint PPT Presentation

背厚3mm JSPS16-17_01_表紙（英）.indd 1 2016/12/01 8:36:38 Studying the gluon and charm content of the deuteron Nodoka Yamanaka (IPN Orsay) In collaboration with 2018/05/15 S. J. Brodsky (SLAC), K. Y.-J. Chiu (SLAC), Light-Cone2018 and J.-P. Lansberg (IPN Orsay) Jefferson Lab

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sha1_base64="Iba4Liq09Rpi5v+XkaEQtcm5D4=">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</latexit> <latexit sha1_base64="Iba4Liq09Rpi5v+XkaEQtcm5D4=">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</latexit> Kinematic coverage of bottomonium prod. at AFTER@LHC Let us estimate up to which x LHCb can cover with Upsilon production off pp (Fixed target mode of LHCb) θ semi-large x 1 << x 2 x 1 x 2 x 1 x 2 Hadron center-of-mass Target rest frame x 1 , 2 = m b ¯ b √ s e ± y c . m . s . Kinematics of Upsilon production: ( √ s = 115GeV for fixed-target) x 1 x 2 s = m 2 Production threshold at CM: b ¯ b LHCb rapidity coverage: [2,5] Lab frame = [-2.8,0.2] c.m.s. Can access up to “x” = 1.4 with LHCb in the fixed-target mode

Prospects for astrophysics (2 important cases) Interstellar reactions Atmospheric neutrinos productions Cosmic ray sources High energy cosmic protons from space of high energy protons (acceleration, dark matter,…) Primary CR Hard reactions with interstellar matter Atmospheric nuclei 14 N 4 He (mostly p and 4 He) p Secondary CR Charmed hadrons D Λ c Prompt neutrinos NASA, AMS-02 PAMELA, AMS-02, DAMPE, … In high energy reactions, low-x is IceCube important High energy hadrons are ⇒ Gluons ! produced from high-x charm quarks