Measurement of the strong coupling constant from inclusive jet production at the Tevatron (p)over-barp collider

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doi:10.1103/physrevlett.88.042001

Measurement of the strong coupling constant from inclusive jet production at the Tevatron (p)over-barp collider

Atıf İçin Kopyala

Affolder T., Akimoto H., Akopian A., Albrow M., Amaral P., Amidei D., ...Daha Fazla

PHYSICAL REVIEW LETTERS, cilt.88, sa.4, 2002 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 88 Sayı: 4
Basım Tarihi: 2002
Doi Numarası: 10.1103/physrevlett.88.042001
Dergi Adı: PHYSICAL REVIEW LETTERS
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
İstanbul Üniversitesi Adresli: Evet

Özet

We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the evolution of alpha(s) with jet transverse energy E-T is tested over the range 40 < E-T < 450 GeV using E-T for the renormalization scale. The data show good agreement with QCD in the region below 250 GeV. The value of as at the mass of the Z(0) boson averaged over the range 40 < E-T < 250 GeV is found to be alpha(s)(M-Z) = 0.1178 +/- 0.0001(stat)(-0.0095)(+0.0081)(expt. syst). The associated theoretical uncertainties are mainly due to the choice of renormalization scale ((+6%)(-4%)) and input parton distribution functions (5%).