Inclusive Π−p→γ+ Anything and Π−12c→γ+ Anything Reactions at 40 GeV/c

O BALEA,V BOLDEA,S FELEA,T PONTA,T GEMESY,K HAJDU,L JENIK,D KISS,S KRASZNOVSKY,G PINTER,M POSCH,F TELBISZ,L ANIOLA,J BARTKE,K ESKREYS,A KWIATKOWSKA,H RUDNICKA,AU ABDURAKHIMOV,N ANGELOV,LA DIDENKO,SM ELISEEV,NG FADEEV,VG GRISHIN,SV INOGAMOV,TY INOGAMOVA,IA IVANOVSKAYA,G JANCSO,T KANAREK,EN KLADNITSKAYA,JM KOHLY,VB LYUBIMOV,NN MELNIKOVA,NF NIKITINA,M SABAU,KI SEMERDJIEV,LM SHCHEGLOVA,MI SOLOVIEV,PM SUD,KN SUPICHAKOV,YV TEVZADZE,ET TSIVTSIVADZE, N DINTY,VM POPOVA,LN SMIRNOVA,KP VISHNEVSKAYA,NO AKHABABYAN,PP KERACHEV,PK MARKOV,VN PENEV,AI SHKLOVSKAYA,KN ABDULAEVA,M AZIMOVA,SA AZIMOV,Y AKHMEDJANOVA,KR IGAMBERDIEV,SL LUTFULLAEV,KA RIZAEV,EI TRUNOVA,TM USMANOV,AA YULDASHEV,BS YULDASHEV,LN ABESALASHVILI,NS AMAGLOBELLI,LT AKHOBADZE,LV CHKHAIDZE,MS GHARGEISHVILI,MA DASAEVA,DV GHERSAMIA,RG SALUKVADZE, C BAATAR,B CHADRAA,D TUVDENDORZH,E BJALKOWSKA,J GAJEWSKI,R GOKIELLI,M GORSKI,R SOSNOWSKI,W WOJCIK

Nuclear physics B（1974）

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摘要

In this paper, some results on inclusive γ and π0 spectra in π−p and π−12C interactions at 40 GeV/c are reported. It is shown that there is no factorization of the structure function f(q⊥, x) in π−p→γ + anything reactions for q⊥⩽0.4 GeV/c and |x|⩽0.16. The π0 meson longitudinal momentum spectrum in the cms is obtained by applying the method of statistical regularization to the measured γ spectrum. In the range |x|⩽0.02, Nπ+ = Nπ− = Nπ0 within the error limits (±7%). The inclusive γ spectra in π−p and π−12C interactions indicate that the normalized structure function is the same for both reactions over the central and the π− meson fargmentation regions.

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