Two-dimensional discrete wavelet analysis of multiparticle event topology in heavy ion collisions

Springer Science and Business Media LLC - Tập 85 Số 1 - Trang 39-44 - 2011
Dremin, I. M.1, Eyyubova, G. Kh.2, Korotkikh, V. L.2, Sarycheva, L. I.2
1Department of Theoretical Physics, Lebedev Physical Institute, Moscow, Russia.
2Scobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia

Tóm tắt

The event-by-event analysis of multiparticle production in high energy hadron and nuclei collisions can be performed using the discrete wavelet transformation. The ring-like and jet-like structures in two-dimensional angular histograms are well extracted by wavelet analysis. For the first time the method is applied to the jet-like events. The jet positions are located quite well by the discrete wavelet transformation of angular particle distribution even in the presence of soft process background in nucleus-nucleus collisions at LHC energies.

Tài liệu tham khảo

citation_journal_title=Nucl. Phys.; citation_author=I. Arsene; citation_volume=A757; citation_publication_date=2005; citation_pages=1; citation_id=CR1 citation_journal_title=Nucl. Phys.; citation_author=B. Back; citation_volume=A757; citation_publication_date=2005; citation_pages=28; citation_id=CR2 citation_journal_title=Nucl. Phys.; citation_author=J. Adams; citation_volume=A757; citation_publication_date=2005; citation_pages=102; citation_id=CR3 citation_journal_title=Nucl. Phys.; citation_author=K. Adcox; citation_volume=A757; citation_publication_date=2005; citation_pages=184; citation_id=CR4 citation_journal_title=JETP Lett.; citation_author=A. V. Apanasenko; citation_volume=30; citation_publication_date=1979; citation_pages=145; citation_id=CR5 citation_journal_title=Phys. Lett.; citation_author=I. M. Dremin; citation_volume=B499; citation_publication_date=2001; citation_pages=97; citation_id=CR6 citation_journal_title=Nucl. Phys.; citation_author=N. N. Ajitanand; citation_volume=A783; citation_publication_date=2007; citation_pages=519; citation_id=CR7 citation_journal_title=JETP Lett.; citation_author=I. M. Dremin; citation_volume=30; citation_publication_date=1979; citation_pages=140; citation_id=CR8 citation_journal_title=Nucl. Phys.; citation_author=I. M. Dremin; citation_volume=A767; citation_publication_date=2005; citation_pages=233; citation_id=CR9 citation_journal_title=Int. J. Mod. Phys.; citation_author=I. M. Dremin; citation_volume=A22; citation_publication_date=2007; citation_pages=3087; citation_id=CR10 citation_journal_title=Physics-Uspekhi; citation_author=I. M. Dremin; citation_volume=42; citation_publication_date=2001; citation_pages=447; citation_doi=10.1070/PU2001v044n05ABEH000918; citation_id=CR11 B Baeuchle et al, arXiv:0710.1476 [nucl-th] citation_journal_title=J. Mod. Phys.; citation_author=B. Betz; citation_volume=E16; citation_publication_date=2008; citation_pages=3082; citation_id=CR13 citation_journal_title=Nucl. Phys.; citation_author=J. Casalderrey-Solana; citation_volume=A774; citation_publication_date=2006; citation_pages=577; citation_id=CR14 I M Dremin arXiv:0802.4022 (2008) citation_journal_title=Nucl. Phys.; citation_author=C. Albajar; citation_volume=B309; citation_publication_date=1988; citation_pages=405; citation_doi=10.1016/0550-3213(88)90450-6; citation_id=CR16 citation_journal_title=Phys. Rev.; citation_author=J. Adams; citation_volume=C71; citation_publication_date=2005; citation_pages=031901; citation_id=CR17 citation_journal_title=Mod. Phys. Lett.; citation_author=G. Georgopoulos; citation_volume=A15; citation_publication_date=2000; citation_pages=1051; citation_id=CR18 citation_journal_title=Mod. Phys. Lett.; citation_author=N. M. Astafyeva; citation_volume=A12; citation_publication_date=1997; citation_pages=1185; citation_id=CR19 V V Uzhinskii et al, hep-ex/0206003 (2002) citation_journal_title=Phys. Rev.; citation_author=M. M. Aggarwal; citation_volume=C64; citation_publication_date=2001; citation_pages=011901; citation_id=CR21 citation_journal_title=Phys. Rev.; citation_author=I. Berden; citation_volume=C65; citation_publication_date=2002; citation_pages=044903; citation_id=CR22 M Kopytine nucl-ex/0211015 (2005) citation_journal_title=EPJ; citation_author=O. Kodolova; citation_volume=C50; citation_publication_date=2007; citation_pages=117; citation_id=CR24 T Sjostrand et al, Comput. Phys. Commun. 135 (2001); arXiv:hep-ph/0010017 citation_journal_title=EPJ; citation_author=I. P. Lokhtin, A. M. Snigirev; citation_volume=C45; citation_publication_date=2006; citation_pages=211; citation_id=CR26 citation_title=A Wavelet Tour of Signal Processing; citation_publication_date=1999; citation_id=CR27; citation_author=C. Mallat; citation_publisher=Academic Press citation_title=Ten Lectures on Wavelets; citation_publication_date=1992; citation_id=CR28; citation_author=I. Daubeuchies; citation_publisher=Soc. for Industrial and Applied Mathematics V L Korotkikh (Preprint) SINP MSU-2002-6/690 (2000)