SCOAP3 Repository 9 records found  Search took 0.03 seconds. 
1. Transverse Momentum Dependent Observables from Low to High Energy: Factorization, Evolution, and Global Analyses / Pitonyak, Daniel ; Kang, Zhong-Bo ; Prokudin, Alexei ; Vladimirov, Alexey
Published in Advances in High Energy Physics 2019 (2019) 1705263 10.1155/2019/1705263
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2. Polarized hyperon production in single-inclusive electron-positron annihilation at next-to-leading order / Gamberg, Leonard ; Kang, Zhong-Bo ; Pitonyak, Daniel ; Schlegel, Marc ; et al
We study the production of polarized Λ-hyperons in electron-positron annihilation. [...]
Published in JHEP 1901 (2019) 111 10.1007/JHEP01(2019)111 arXiv:1810.08645
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3. Connections between collinear and transverse-momentum-dependent polarized observables within the Collins–Soper–Sterman formalism / Gamberg, Leonard ; Metz, Andreas ; Pitonyak, Daniel ; Prokudin, Alexei
We extend the improved Collins–Soper–Sterman (iCSS) W+Y construction recently presented in [1] to the case of polarized observables, where we focus in particular on the Sivers effect in semi-inclusive deep-inelastic scattering. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.03.024
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4. Small- x asymptotics of the gluon helicity distribution / Kovchegov, Yuri ; Pitonyak, Daniel ; Sievert, Matthew
We determine the small- x asymptotics of the gluon helicity distribution in a proton at leading order in perturbative QCD at large N c . [...]
Published in JHEP 1710 (2017) 198 10.1007/JHEP10(2017)198 arXiv:1706.04236
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5. Small- x asymptotics of the quark helicity distribution: Analytic results / Kovchegov, Yuri V. ; Pitonyak, Daniel ; Sievert, Matthew D.
In this Letter, we analytically solve the evolution equations for the small- x asymptotic behavior of the (flavor singlet) quark helicity distribution in the large- Nc limit. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.06.032
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6. Phenomenological constraints on A N in p ↑ p → π X from Lorentz invariance relations / Gamberg, Leonard ; Kang, Zhong-Bo ; Pitonyak, Daniel ; Prokudin, Alexei
We present a new analysis of AN in p↑p→πX within the collinear twist-3 factorization formalism. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.04.061
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7. Erratum to: Helicity evolution at small x / Kovchegov, Yuri ; Pitonyak, Daniel ; Sievert, Matthew
Published in JHEP 1610 (2016) 148 10.1007/JHEP10(2016)148
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8. Twist-3 effect from the longitudinally polarized proton for A LT in hadron production from pp collisions / Koike, Yuji ; Pitonyak, Daniel ; Yoshida, Shinsuke
We compute the contribution from the longitudinally polarized proton to the twist-3 double-spin asymmetry ALT in inclusive (light) hadron production from proton–proton collisions, i.e., p↑p→→hX . [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.05.043
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9. Helicity evolution at small x / Kovchegov, Yuri ; Pitonyak, Daniel ; Sievert, Matthew
We construct small- x evolution equations which can be used to calculate quark and anti-quark helicity TMDs and PDFs, along with the g 1 structure function. [...]
Published in JHEP 1601 (2016) 072 10.1007/JHEP01(2016)072 arXiv:1511.06737
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5 Pitonyak, D.
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