Quark fragmentation functions in a diquark model for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Λ</mml:mi></mml:math>production

Yang, Jianjun

doi:10.1103/physrevd.64.074010

Phys. Rev. D

2001

DOI: 10.1103/physrevd.64.074010

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Quark fragmentation functions in a diquark model forΛproduction

Jianjun Yang

Abstract: Using a simple quark-diquark model, we extract a set of unpolarized and polarized fragmentation functions for the Λ based on the available unpolarized Λ production data in e + e − annihilation. It is found that there is a strong SU (3)

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Cited by 8 publications

References 45 publications

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Kinked tracks from Σ+ baryons as a probe of light quark polarizations

Kats

2023

J. High Energ. Phys.

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Jets initiated by energetic quarks carry in an obvious way approximate information about the original quark energy and momentum. In a less obvious way, they also carry information about the quark polarization. Previous works have shown how the polarization information can be extracted by ATLAS and CMS using events in which the quark hadronizes to an energetic baryon — Λb for b quarks, Λc for c quarks and Λ for s quarks. In this paper we extend these proposals to Σ+ baryons, which can provide sensitivity to polarizations of s and u quarks. We analyze the various aspects of how the kinked track signature of the Σ+→ pπ0 decay can be used for this purpose. We evaluate the feasibility of such measurements in $$ t\overline{t} $$ t t ¯ samples.

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Kinked tracks from Σ+ baryons as a probe of light quark polarizations

Kats

2023

J. High Energ. Phys.

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Probing the longitudinal spin transfer via dihadron polarization correlations in unpolarized e+e− and pp collisions

Hao-Cheng

Wei

2023

Physics Letters B

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Resolving flavor structure of Λ fragmentation functions via asymmetry in Λ/ production

Yang

2002

Physics Letters B

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Quark fragmentation functions in a diquark model forΛproduction

Abstract: Using a simple quark-diquark model, we extract a set of unpolarized and polarized fragmentation functions for the Λ based on the available unpolarized Λ production data in e + e − annihilation. It is found that there is a strong SU (3)

Cited by 8 publications

References 45 publications

Kinked tracks from Σ+ baryons as a probe of light quark polarizations

Kinked tracks from Σ+ baryons as a probe of light quark polarizations

Probing the longitudinal spin transfer via dihadron polarization correlations in unpolarized e+e− and pp collisions

Resolving flavor structure of Λ fragmentation functions via asymmetry in Λ/ production

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