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Titolo:
SPIN TRANSFER IN INCLUSIVE LAMBDA(0)-PRODUCTION BY TRANSVERSELY POLARIZED PROTONS AT 200 GEV C/
Autore:
BRAVAR A; ADAMS DL; AKCHURIN N; BELIKOV NI; BONNER BE; BYSTRICKY J; CORCORAN MD; COSSAIRT JD; CRANSHAW J; DEREVSCHIKOV AA; ENYO H; FUNAHASHI H; GOTO Y; GRACHOV OA; GROSNICK DP; HILL DA; IIJIMA T; IMAI K; ITOW Y; IWATANI K; KURODA K; LAGHAI M; LEHAR F; DELESQUEN A; LOPIANO D; LUEHRING FC; MAKI T; MAKINO S; MASAIKE A; MATULENKO YA; MESCHANIN AP; MICHALOWICZ A; MILLER DH; MIYAKE K; NAGAMINE T; NESSITEDALDI F; NESSI M; NGUYEN C; NURUSHEV SB; OHASHI Y; ONEL Y; PATALAKHA DI; PAULETTA G; PENZO A; RAPPAZZO GF; READ AL; ROBERTS JB; VANROSSUM L; RYKOV VL; SAITO N; SALVATO G; SCHIAVON P; SKEENS J; SOLOVYANOV VL; SPINKA H; STANEK RW; TAKASHIMA R; TAKEUTCHI F; TAMURA N; UNDERWOOD DG; VASILIEV AN; WHITE JL; YAMASHITA S; YOKOSAWA A; YOSHIDA T; ZANETTI AM;
Indirizzi:
UNIV MAINZ D-55099 MAINZ GERMANY ARGONNE NATL LAB ARGONNE IL 60439 CENS,CEA,DAPNIA,SPP F-91191 GIF SUR YVETTE FRANCE FERMILAB NATL ACCELERATOR LAB BATAVIA IL 60510 HIROSHIMA UNIV HIGASHIHIROSHIMA 724 JAPAN INST HIGH ENERGY PHYS PROTVINO 142284 RUSSIA UNIV IOWA,DEPT PHYS & ASTRON IOWA CITY IA 52242 UNIV OCCUPAT & ENVIRONM HLTH KITAKYUSHU FUKUOKA 807 JAPAN KYOTO UNIV,DEPT PHYS KYOTO 60601 JAPAN KYOTO UNIV KYOTO 612 JAPAN KYOTO SANGYO UNIV KYOTO 612 JAPAN PHYS PARTICULES LAB F-74017 ANNECY LE VIEUX FRANCE UNIV MESSINA,DIPARTIMENTO FIS I-98100 MESSINA ITALY IST NAZL FIS NUCL I-98100 MESSINA ITALY NORTHWESTERN UNIV,DEPT PHYS EVANSTON IL 60201 OKAYAMA UNIV,DEPT PHYS OKAYAMA 800 JAPAN OSAKA CITY UNIV OSAKA 558 JAPAN RICE UNIV,TW BONNER NUCL LAB HOUSTON TX 77251 UNIV TRIESTE,DIPARTIMENTO FIS I-34100 TRIESTE ITALY IST NAZL FIS NUCL I-34100 TRIESTE ITALY UNIV UDINE I-33100 UDINE ITALY IST NAZL FIS NUCL I-33100 UDINE ITALY
Titolo Testata:
Physical review letters
fascicolo: 21, volume: 78, anno: 1997,
pagine: 4003 - 4006
SICI:
0031-9007(1997)78:21<4003:STIILB>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
HADRON-HADRON COLLISIONS; HYPERON POLARIZATION; ANALYZING POWER; HIGH-ENERGIES; ASYMMETRY; BEAM; MOMENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
A. Bravar et al., "SPIN TRANSFER IN INCLUSIVE LAMBDA(0)-PRODUCTION BY TRANSVERSELY POLARIZED PROTONS AT 200 GEV C/", Physical review letters, 78(21), 1997, pp. 4003-4006

Abstract

Surprisingly large polarizations in hyperon production by unpolarizedprotons have been known for a long time. The spin dynamics of the production process can be further investigated with polarized beams. Recently, a negative asymmetry A(N) was found in inclusive Lambda(0) production with a 200 GeV/c transversely polarized proton beam. The depolarization D-NN in p up arrow + p --> Lambda(0) + X has been measured with the same beam over a wide x(F) range and at moderate p(tau). D-NN reaches positive values of about 30% at high x(F) and p(T) similar to 1.0 Ge V/c. This result shows a sizable spin transfer from the incident polarized proton to the outgoing Lambda(0).

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Documento generato il 27/11/20 alle ore 10:44:18