<P><B>Abstract</B></P> <P>The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, and is only loos...
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https://www.riss.kr/link?id=A107737228
Adamczyk, L. ; Adams, J.R. ; Adkins, J.K. ; Agakishiev, G. ; Aggarwal, M.M. ; Ahammed, Z. ; Ajitanand, N.N. ; Alekseev, I. ; Anderson, D.M. ; Aoyama, R. ; Aparin, A. ; Arkhipkin, D. ; Aschenauer, E.C. ; Ashraf, M.U. ; Attri, A. ; Averichev, G.S. ; Bairathi, V. ; Barish, K. ; Behera, A. ; Bellwied, R. ; Bhasin, A. ; Bhati, A.K. ; Bhattarai, P. ; Bielcik, J. ; Bielcikova, J. ; Bland, L.C. ; Bordyuzhin, I.G. ; Bouchet, J. ; Brandenburg, J.D. ; Brandin, A.V. ; Brown, D. ; Bryslawskyj, J. ; Bunzarov, I. ; Butterworth, J. ; Caines, H. ; Calderó ; n de la Barca Sá ; nchez, M. ; Campbell, J.M. ; Cebra, D. ; Chakaberia, I. ; Chaloupka, P. ; Chang, Z. ; Chankova-Bunzarova, N. ; Chatterjee, A. ; Chattopadhyay, S. ; Chen, J.H. ; Chen, X. ; Chen, X. ; Cheng, J. ; Cherney, M. ; Christie, W. ; Contin, G. ; Crawford, H.J. ; Dedovich, T.G. ; Deng, J. ; Deppner, I.M. ; Derevschikov, A.A. ; Didenko, L. ; Dilks, C. ; Dong, X. ; Drachenberg, J.L. ; Draper, J.E. ; Dunlop, J.C. ; Efimov, L.G. ; Elsey
2018
-
SCOPUS,SCIE
학술저널
332-339(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, and is only loos...
<P><B>Abstract</B></P> <P>The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, and is only loosely constrained by global fits to existing semi-inclusive deep inelastic scattering (SIDIS) data. In transversely polarized <SUP> p ↑ </SUP> + p collisions it can be accessed using transverse polarization dependent fragmentation functions which give rise to azimuthal correlations between the polarization of the struck parton and the final state scalar mesons.</P> <P>This letter reports on spin dependent di-hadron correlations measured by the STAR experiment. The new dataset corresponds to 25 pb<SUP>−1</SUP> integrated luminosity of <SUP> p ↑ </SUP> + p collisions at s = 500 GeV, an increase of more than a factor of ten compared to our previous measurement at s = 200 GeV. Non-zero asymmetries sensitive to transversity are observed at a <SUP> Q 2 </SUP> of several hundred GeV and are found to be consistent with the former measurement and a model calculation. We expect that these data will enable an extraction of transversity with comparable precision to current SIDIS datasets but at much higher momentum transfers where subleading effects are suppressed.</P>
On microscopic structure of the QCD vacuum
The cosmological model with a wormhole and Hawking temperature near apparent horizon